Provided is a needle cover opening sensing label from which it can be easily understood that a needle cover has been removed from a needle hub at least once even if the needle cover is removed from the needle hub and then attached back to the needle hub again. A needle cover opening sensing label (1) is disposed across a boundary line (9) between a needle hub (3) that is provided with a needle (5) and a needle cover (7) that is attached to the needle hub (3) and covers the needle (5). The needle cover opening sensing label (1) comprises: a label body (10) that includes a needle hub portion (12) disposed to the needle hub (3) and a needle cover portion (14) disposed to the needle cover (7); a first nick (21) that is formed in the label body (10) and that extends in the direction along the boundary line (9) from a first edge (41) of the label body (10) extending in the direction intersecting the boundary line (9); and a second nick (22) that is formed in the needle cover portion (14) and that extends in the direction intersecting the boundary line (9).
A61M 5/50 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaireAccessoires à cet effet, p. ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour empêcher la réutilisation ou pour indiquer si le dispositif est défectueux, usagé, non stérile ou si l'on a tenté de l'utiliser
2.
LIQUID STORAGE CONTAINER AND METHOD FOR MANUFACTURING LIQUID STORAGE CONTAINER
Provided is a liquid storage container having a puncture port capable of ensuring hermeticity at the time of puncturing regardless of the size of an insertion part of a puncture instrument and also capable of reducing the loss of contents. A puncture port 40, which is provided in a liquid storage container 1 for storing liquid and is punctured by a puncture instrument 200 having a needle tube portion 210 formed with a through hole 215, comprises a cylindrical port main body portion 43, a liquid discharge portion 30, and a first partition 411 and a second partition 421 provided in the port main body portion 43, wherein the port main body portion 43 is joined to the liquid discharge portion 30 at a boundary portion between a liquid accommodation portion 10 and the liquid discharge portion 30.
B65D 17/42 - Réceptacles rigides ou semi-rigides spécialement conçus pour être ouverts par coupage ou perçage, ou en perçant ou en déchirant des éléments ou des parties frangibles à l'aide de dispositifs coupants, perçants ou utilisables pour couper
3.
MEDICAL INSTRUMENT, TREATMENT SOLUTION, AND METHOD FOR MANUFACTURING MEDICAL INSTRUMENT
Provided are: a medical instrument having excellent slidability and having a sliding part in which peeling of a coating film provided in the sliding part is suppressed; a chemical solution suitably used for manufacturing the medical instrument; and a method for manufacturing the medical instrument, the method comprising forming the coating film using the chemical solution. In a medical instrument provided with a sliding part, a coating film comprising a cured product of a composition containing a silicone resin having a hydroxyl group and a silane coupling agent is formed on the surface of the sliding part. The composition contains an aminosilane having a specific structure as a silane coupling agent or an amine compound not corresponding to the aminosilane, and also contains a haloalkylsilane having a specific structure.
Provided is a centrifugal pump drive device reduced in size. The centrifugal pump drive device drives a centrifugal pump included in an extracorporeal circulation device wherein a display operation unit, an operation unit, a control unit, a power supply unit, and a battery thereof are disposed in one housing.
A61M 60/109 - Pompes extracorporelles, c.-à-d. que le sang est pompé à l’extérieur du corps du patient incorporées dans des circuits ou des systèmes sanguins extracorporels
This adaptor (1) comprises a first connection part (10) and a second connection part (20) in communication via a first lumen (41). The first connection part comprises a threaded tube (11) in which is formed a female thread (12) capable of being screwed together with a port (710) of a container (700). The second connection part has a hollow connection tube (21) that can be connected to a connector (801). The adaptor also comprises a top plate (31) provided with a connection tube, a peripheral wall (30) provided between the top plate and the threaded tube, and a communication hole (45) provided in the peripheral wall or the top plate so that the first lumen and the externality of the adaptor are in communication. A second lumen (42), separated from the first lumen by a partition wall (43), is provided within the peripheral wall. The second lumen communicates with the communication hole and communicates with the first lumen via an opening that faces the first connection part side. A hydrophobic membrane (46), which allows gas but not liquid to pass, is provided so as to block the opening of the second lumen.
Provided is a blood purification device that makes it possible to suppress the excessive concentration of blood and suppress decreases in the removal efficiency of removed substances in a single needle method by adjusting the amount of blood removed and the amount of blood returned to suitable amounts. The blood purification device 100 removes blood and returns blood in an alternating manner by means of a single puncture needle SN and comprises: a blood circuit 110; a blood purifier 120 arranged in the blood circuit 110; a blood concentration measurement means 150 for measuring the concentration of blood introduced into the blood purifier 120 or drawn out from the blood purifier 120; and a control unit 140 for performing control so that treatment steps including a blood removal step in which blood is introduced into the blood circuit 110 and a blood return step in which blood is drawn out from the blood circuit 110 are performed repeatedly. The control unit 140 determines the end of the blood removal step on the basis of the blood concentration measured by the blood concentration measurement means 150 and sets the return amount of blood returned in the blood return step on the basis of the amount of blood removed in the blood removal step.
The present invention provides: a puncture port which is capable of ensuring sealability when a puncture is formed, regardless of the size of an insertion part of a puncture instrument; and a liquid storage container equipped with such a puncture port. A puncture port 40 is provided to a liquid storage container for storing a liquid, is to be punctured by a puncture instrument 200 equipped with a needle tube part 210 having a through-hole 215 formed therein, and comprises: a cylindrical port body 43; and a first partition wall 411 and a second partition wall 421 that are provided to the port body 43. In the puncturing direction, the distance D between the first partition wall 411 and the second partition wall 421 is longer than the length HL in the puncturing direction of an opening portion 220 of the through-hole 215 at least at the leading end of the needle tube part 210.
The purpose of the present invention is to provide a blood purification device that is capable of suppressing excessive concentration of blood in a blood removal step in a single needle method. A blood purification device 100 comprises: a blood circuit 110; a blood purifier 120; a blood pump 111c; a dialysate circuit 130; a water removal/reverse filtration means 1333; a blood concentration measurement means 150 for measuring the concentration of blood which is introduced into the blood purifier 120 or drawn out of the blood purifier 120; and a control unit 140 that controls a treatment process which includes a blood removal step for introducing blood into the blood circuit 110 and a blood return step for drawing the blood out of the blood circuit 110, wherein the control unit 140 controls the blood pump 111c and the water removal/reverse filtration means 1333 so that the blood concentration measured by the blood concentration measurement means 150 is within a prescribed range.
Provided are a setting suggestion device, a dialysis device, and a program that make it possible to readily configure settings for a dialysis device for which the settings are complicated. A dialysis device (1) comprises: a dialysis processing unit (19) that varies the fluid removal rate in accordance with changes in transition related to the circulating blood volume change rate; a patient dialysis status data storage unit (32) that stores patient dialysis status data in association with patients, the patient dialysis status data including transition data indicating the transition related to each patient's circulating blood volume change rate in at least one dialysis treatment; a patient specification reception unit (11) that receives specification of a patient subject to dialysis; a threshold line setting unit (14) that sets, on the basis of past patient dialysis status data of the patient subject to dialysis extracted from the patient dialysis status data storage unit (32), a line for an alarm 1 for performing control to vary the fluid removal rate; and a suggestion graph output unit (15) that outputs, to an operation display panel (36), the line for the alarm 1 set by the threshold line setting unit (14) and the patient dialysis status data used to set the line for the alarm 1.
The blood circulation circuit 1 includes: a blood removal line 2 that removes venous blood; a blood storage tank 4 that is connected to the blood removal line 2 and stores the blood that has flowed through the blood removal line 2; a negative pressure adjusting device 6 that adjusts a negative pressure inside the blood storage tank 4; a blood pump 5 that pumps the blood in the blood storage tank 4; an artificial lung 7 that performs gas exchange of the blood pumped from the blood pump 5; and a blood collecting line 3 that is connected to the blood storage tank 4 and sucks blood from a surgical site by the negative pressure in the blood storage tank 4.
The purpose of the present invention is, when a blood purification system is connected to an ECMO system (100), to maintain circulation in the blood purification system (200) during recovery of the ECMO system (100) after a problem occurs in the ECMO system (100). The blood purification system (200) connected to the ECMO system (100) having an ECMO blood pump (120) and an artificial lung (130) includes a water removal control unit (281) that maintains the concentration of blood circulating through the blood purification system (200) at a predetermined concentration when the rate of change of the flow of blood in the ECMO system (100) exceeds a predetermined threshold.
A suspension apparatus (1) comprises an apparatus body (2). The apparatus body (2) includes: a deformation part (6); and a base part (7) constituted by a region that excludes the deformation part (6). The deformation part (6) is provided with: a holding section (8) that holds a container (10) between the holding section and the base part (7); and a support section (9) that supports the container (10) from below.
A connector (1) is constituted by a first member (10) and a second member (40). The first member (10) has a male connecting portion (11) at a first end and a screwing structure (26) at a second end. The male connecting portion (11) is inserted into a female connecting portion (41) of the second member (40). A first engagement structure (15) is provided on the first member (10), and a second engagement structure (45) is provided on the second member (40) so as to be able to abut against the first engagement structure (15) in the circumferential direction. When a rotational force of a predetermined value or greater is applied to the first member (10) in a tightening direction (R1) of the screwing structure (26), one of the first engagement structure (15) and the second engagement structure (45) is plastically deformed by the other, so that the first member (10) is then rotatable in both forward and reverse directions relative to the second member (40).
A connector (50) includes a tubular member (52) and a base tube (58). A light-guiding tube (60) is drawn out from the base tube (58) toward the opposite side to the tubular member (52). An adapter (1) includes: a first connecting portion (10) that can be connected to and disconnected from a light source device (70); a second connecting portion (20) that can be connected to and disconnected from the connector (50); and a light-guiding member (30) that guides light emitted from the light source device (70) to a proximal end surface (61) of the tube (60).
Provided is a medical bed system (1) that automatically performs treatment on a patient in accordance with the state of the patient. The medical bed system (1) comprises a dialysis console (10) and a medical bed (40). The bed (40) is provided with a bed mattress surface (52) on which a dialysis patient lies, and a bed mattress tilt control unit (44) for controlling the tilt of the bed mattress surface (52). The console (10) is provided with a biological information acquisition unit (14) for acquiring biological information for the dialysis patient, and a treatment-determining unit (16). The treatment-determining unit (16) determines, on the basis of the biological information acquired by the biological information acquisition unit (14), at least whether it is necessary to change the lifting angle of the bed mattress surface (52) and the post-change lifting angle if a change is necessary. The bed mattress tilt control unit (44) controls the tilt of the bed mattress surface (52) so that the lifting angle of the bed mattress surface (52) reaches the post-change lifting angle.
A61M 1/14 - Systèmes de dialyseReins artificielsOxygénateurs du sang
A61G 7/015 - Lits spécialement conçus pour donner des soinsDispositifs pour soulever les malades ou les personnes handicapées comportant un cadre de sommier réglable divisé en plusieurs parties réglables, p. ex. pour la position dite "Gatch"
A61G 7/018 - Mécanismes de commande ou d'entraînement
Provided is an intermediate system capable of, when a CRRT system is connected to an ECMO system, reducing the pressure influence from the ECMO system on the CRRT system. An intermediate system (300) provided at the connection point between an ECMO system (100) and a CRRT system (200), wherein the upstream end of the CRRT system (200) is connected downstream from an ECMO blood pump (120) in the ECMO system (100). The intermediate system (300) comprises: an intermediate blood return line (320) the upstream end of which is connected to the downstream end of the CRRT system (200) and the downstream end of which is connected to the ECMO system (100); a blood return pump (321); a blood return side pressure buffer unit (322) provided upstream from the blood return pump (321); and a control unit (330) that controls the amount of stored liquid to be within a preset range according to the storage condition of the blood return side pressure buffer unit (322).
A61M 1/18 - Systèmes de dialyseReins artificielsOxygénateurs du sang avec membranes en forme de fibres creuses
A61M 1/34 - Filtration du sang à travers une membrane pour en éliminer une matière, c.-à-d. hémofiltration, diafiltration
A61M 1/36 - Autre traitement du sang dans une dérivation du système circulatoire naturel, p. ex. adaptation de la température, irradiation
A61M 60/113 - Pompes extracorporelles, c.-à-d. que le sang est pompé à l’extérieur du corps du patient incorporées dans des circuits ou des systèmes sanguins extracorporels dans d’autres dispositifs fonctionnels, p. ex. dialyseurs ou cœurs-poumons artificiels
A pressure bag (1) has a substantially rectangular shape in a plan view, and also has a bag-like shape with an opening (11) through which a bag-shaped container (50) is placed into and taken out of a housing chamber (10) in a first short side (13a) of the substantially rectangular shape. The pressure bag (1) has a double structure in which an inner sheet (20) and an outer sheet (30) are laid one on top of another so that the outer sheet (30) is located on the opposite side of the inner sheet (20) from the housing chamber (10). A pressure chamber (15) is provided between the inner sheet (20) and the outer sheet (30). The inner sheet (20), the outer sheet (30), and the pressure chamber (15) extend from one side to another side of the housing chamber (10) via a first long side (14a).
One aspect of the present invention relates to a guide (1) for a medical insertion tool, said guide including a tubular body (2) that is placed in a body from the nose or mouth to arrival at an interior section of the gastrointestinal tract, and allows a medical insertion tool to be inserted into and removed from the lumen thereof, wherein within the tubular body (2), in an insertion-side distal end section (24) and a section (23) that is positioned in the same location as at least the pharynx and the upper esophageal sphincter when placed in the body, or in the entire length in the lengthwise direction, there is flexibility such that the cross-sectional shape deforms in a flat manner due to pharyngeal pressure and esophageal pressure when the tubular body is placed in the body, or the cross-sectional shape is formed in a flat manner in advance, and there is kink-resistance. The tubular body (2) preferably includes at least one highly kink-resistant region (2a) that extends along the entire length thereof in the lengthwise direction and compressively deforms in the lengthwise direction less readily than a region neighboring the same in the circumferential direction.
This hemodialysis device (100) includes a control device (160) that includes an assessment unit that assesses the state of connection between a connection port (140e) of a hemodialysis device body and a downstream-side fluid replacement line (140g). In this hemodialysis device (100), after a leak check of a blood circuit (110) filled with dialysate as a priming liquid is performed and a filling step of filling a fluid replacement line (140) with the priming liquid is performed, the dialysate is fed by a dialysate feed unit (133) into the fluid replacement line (140) that has been mounted on a fluid replacement pump (140a) in a stopped state, and if the liquid pressure, measured by a pressure sensor (140c) during the feeding of the dialysate into the fluid replacement line (140), rises to at least a prescribed value, the assessment unit assesses that the connection port (140e) and the downstream-side fluid replacement line (140g) are connected.
A61M 1/16 - Systèmes de dialyseReins artificielsOxygénateurs du sang avec membranes
A61M 1/36 - Autre traitement du sang dans une dérivation du système circulatoire naturel, p. ex. adaptation de la température, irradiation
A61M 60/113 - Pompes extracorporelles, c.-à-d. que le sang est pompé à l’extérieur du corps du patient incorporées dans des circuits ou des systèmes sanguins extracorporels dans d’autres dispositifs fonctionnels, p. ex. dialyseurs ou cœurs-poumons artificiels
A61M 60/279 - Pompes péristaltiques, p. ex. pompes à rouleau
A61M 60/37 - Hémodialyse, hémofiltration ou diafiltration
21.
CONTAINER FOR PRODUCING TENSION-APPLIED THREE-DIMENSIONAL ARTIFICIAL SKIN AND PRODUCTION METHOD THEREOF
The purpose of the present invention is to provide a culture insert container which can decrease the amount of fibroblasts to be used, does not require a hollowing out step, improves yield and dramatically elevates production efficiency by eliminating various steps requiring skilled techniques, and a method for producing a tension-applied three-dimensional artificial skin using the same. For this purpose, use is made of a culture insert container which has an upper insert tool having a lower culture container, said container having a sidewall and a bottom provided with a porous membrane, and a tubular sidewall to be inserted into the lower culture container, wherein the tubular sidewall has a base, said base being disposed so as to protrude from the upper end of the sidewall of the lower culture container at a position where the lower end of the tubular sidewall inserted into the lower culture container and the upper surface of the porous membrane are maintained in a non-contact state, and another base, said base being disposed on the outer surface of the tubular sidewall so that the inner surface of the sidewall of the lower culture container and the outer surface of the tubular sidewall are maintained at a definite distance.
Provided is a stent that can improve the property of storage in a delivery system. This stent 1 is formed by a linear member in a tubular shape having a plurality of openings, extends in an axial direction J, and is deformable from a reduced diameter state to an expanded diameter state. The stent 1 is formed by connecting a plurality of polygonal annular parts 2 formed in a polygonal annular shape when viewed in the axial direction J side by side in the axial direction J of the stent 1 in a state of being bent or curved in the axial direction J. The linear members constituting the polygonal annular parts 2 adjacent to each other in the axial direction J each have a through-hole 23 penetrated in the axial direction J and are connected by a joining member 3 penetrating the two through-holes 23.
A61F 2/89 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles les éléments filiformes comprenant au moins deux anneaux adjacents reliés de manière flexible par des éléments séparés
A connector (1) comprises a connection part (10) which connects to a counterpart connector and a base part (20) in which is provided a through hole (21) that is in communication with the connection part (10). The inner peripheral surface of the through hole (21) has a cylindrical part (23) which has an inner diameter larger than the outer diameter of the tube (50), and a conical part (24) which is adjacent to the cylindrical part (23) on the connection part (10) side, and the inner diameter of which decreases toward the connection part (10). The tube (50) is inserted into the through hole (21) such that an outer peripheral surface end (51) or the outer peripheral surface (53) of the tube (50) contacts the conical part (24).
The present invention has an object to provide a blood processing filter that is excellent in the filtration rate. The object can be solved by a blood processing filter comprising a container having an inlet and an outlet for blood, and a filter medium disposed between the inlet and the outlet of the container, wherein the filter medium comprises a filter element, an average thickness of the filter medium is 7 to 12 mm, and a standard deviation in thickness of the filter medium is 0.30 to 0.80 mm.
A male connector (100) includes a first fitting structure (127) on an inner circumferential surface of a hood (120) surrounding a male member (110). A female connector (200) includes a rotating cylinder (250) rotatably provided on a female connector main body (210) that includes a partition member (220) made of an elastic material. A second fitting structure (257) is provided on an outer circumferential surface of the rotating cylinder. When the male connector is connected to the female connector, the male member passes through a slit (223) of the partition member, the female connector is inserted into the hood, and the first fitting structure fits to the second fitting structure.
Provided are a dialysis condition setting assistance device and program in which, inter alia, individual differences between dialysis patients are taken into consideration. The dialysis condition setting assistance device 1 is provided with: a measured value acquisition unit 14 for acquiring a measured value, which is a post-dialysis test value obtained as a result of performing a dialysis treatment on a patient at a dialysis condition set on the basis of a first pre-dialysis test value; a theoretical value calculation unit 15 for calculating a theoretical value, which is a theoretical post-dialysis test value for when a dialysis treatment is performed on a patient at a dialysis condition; and a correction value calculation processing unit 16 for calculating the difference between the theoretical value and the measured value and storing the calculated difference as a correction value for the patient.
An adaptor (1) provided with a first connection part (10) and a second connection part (20) connected via a lumen (41). The first connection part comprises a threaded tube (11) in which a female thread (12) capable of being screwed together with a port (810) of a container (800) is formed. The second connection part comprises a circular top plate (25), a male member (21) provided on the top plate, and an engagement hook (28) protruding radially outward from the periphery of the top plate. The surrounding wall (30) of the adaptor that connects the threaded tube with the top plate is provided with a translucent part that makes it possible to see from the outside whether there is a liquid substance in the lumen of the adaptor, and a through hole (45) that connects the adaptor lumen with the outside. A hydrophobic film (46), which allows gas to pass through but does not allow liquid to pass through, is provided in the path connecting the external environment to the lumen via the through hole.
Provided is a liquid storage container having a puncture port capable of ensuring hermeticity at the time of puncturing regardless of the size of an insertion part of a puncture instrument and also capable of reducing the loss of contents. A puncture port 40, which is provided in a liquid storage container 1 for storing liquid and is punctured by a puncture device 200 having a needle tube portion 210 formed with a through hole 215, comprises a cylindrical port body portion 43, a liquid lead-out portion 30, and a first partition 411 and a second partition 421 provided in the port body portion 43, wherein the port body portion 43 is joined to the liquid lead-out portion 30 at a boundary portion between a liquid storage portion 10 and the liquid lead-out portion 30.
Provided are a fluid flow rate control device and an extracorporeal circulation device capable of quickly changing the flow rate value of a fluid in an emergency while preventing the erroneous operation of a rotationally operated input unit. The fluid flow rate control device (10) controls the flow rate value of a fluid, sent out from a flow rate adjustment means (P), via the rotational operation of the rotationally operated input unit (6), such that the flow rate value of the fluid sent out from the flow rate adjustment means (P) is not changed when a rotational operation of a predetermined unit rotation amount of the rotationally operated input unit (6) is continuously performed up to a preset first set rotation amount, and is changed according to the rotation amount in excess of the first set rotation amount when the rotational operation of the predetermined unit rotation amount of the rotationally operated input unit (6) is continuously performed beyond the first set rotation amount.
A61M 1/14 - Systèmes de dialyseReins artificielsOxygénateurs du sang
A61M 60/113 - Pompes extracorporelles, c.-à-d. que le sang est pompé à l’extérieur du corps du patient incorporées dans des circuits ou des systèmes sanguins extracorporels dans d’autres dispositifs fonctionnels, p. ex. dialyseurs ou cœurs-poumons artificiels
A61M 60/279 - Pompes péristaltiques, p. ex. pompes à rouleau
A61M 60/37 - Hémodialyse, hémofiltration ou diafiltration
A61M 60/441 - Détails concernant l’entraînement pour les pompes pour le sang à déplacement positif la force agissant sur l’élément en contact avec le sang étant mécanique générée par un moteur électrique
A61M 60/546 - Régulation par des données en temps réel de paramètres fonctionnels de la pompe pour le sang, p. ex. par l’intensité du courant d’un moteur de l’écoulement du sang, p. ex. en adaptant la vitesse du rotor
A61M 60/845 - Détails structurels autres que ceux relatifs à l’entraînement de la pompe des pompes pour le sang extracorporelles
30.
PUNCTURE PORT, LIQUID STORAGE CONTAINER, PRODUCTION METHOD FOR SAID PUNCTURE PORT, AND PRODUCTION METHOD FOR SAID LIQUID STORAGE CONTAINER
The present invention provides: a puncture port which is capable of ensuring sealability when a puncture is formed, regardless of the size of an insertion part of a puncture instrument; and a liquid storage container equipped with such a puncture port. A puncture port 40 is provided to a liquid storage container for storing a liquid, is to be punctured by a puncture instrument 200 equipped with a needle tube part 210 having a through-hole 215 formed therein, and comprises: a cylindrical port body 43; and a first partition wall 411 and a second partition wall 421 that are provided to the port body 43. In the puncturing direction, the distance D between the first partition wall 411 and the second partition wall 421 is longer than the length HL in the puncturing direction of an opening portion 220 of the through-hole 215 at least at the leading end of the needle tube part 210.
A61J 3/00 - Dispositifs ou procédés spécialement conçus pour donner à des produits pharmaceutiques une forme physique déterminée ou une forme propre à leur administration
31.
SETTING PROPOSING DEVICE, DIALYSIS DEVICE, LEARNING DEVICE, AND DIALYSIS INFORMATION SYSTEM
Provided are: a setting proposing device for proposing an optimum setting for a device with complex setting while reducing risk of inappropriate treatment; a dialysis device; a learning device; and a dialysis information system. A setting proposing system (1) for proposing a setting for a dialysis device (6) used when a patient undergoes dialysis treatment comprises a learning model having learnt association between patient dialysis status data and setting data using data in a dialysis treatment DB (5). The dialysis treatment DB (5) stores, for each of patients having undergone dialysis treatment in the past: the patient dialysis status data including transition data that indicate transition of various conditions of a patient in at least one cycle of dialysis treatment; and the setting data which are data on a setting for a dialysis device set by a healthcare worker with reference to the patient dialysis status data. The setting proposing system (1) applies input data including past patient dialysis status data of a proposal target patient to the learning model and outputs setting proposal data based on the output data output from the learning model to a proposal output terminal (4).
A61M 1/14 - Systèmes de dialyseReins artificielsOxygénateurs du sang
G16H 10/40 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données relatives aux analyses de laboratoire, p. ex. pour des analyses d’échantillon de patient
G16Y 20/40 - Information détectée ou collectée par les objets relative aux données personnelles, p. ex. données biométriques, enregistrement ou préférences
A blood circulation circuit (1) that enables reduction of manufacturing cost and maintenance expense comprises: a blood removal line (2) through which venous blood is removed; a blood storage tank (4) to which the blood removal line (2) is connected and in which the blood flowing through the blood removal line (2) is stored; a negative pressure regulation device (6) which regulates the negative pressure within the blood storage tank (4); a blood pump (5) which transmits the blood in the blood storage tank (4); an artificial lung (7) which performs gas exchange on the blood transmitted from the blood pump (5); and a blood recovery line (3) which is connected to the blood storage tank (4) and sucks up blood at a surgical site by the negative pressure in the blood storage tank (4).
A61M 1/00 - Dispositifs de succion ou de pompage à usage médicalDispositifs pour retirer, traiter ou transporter les liquides du corpsSystèmes de drainage
33.
SYSTEM FOR DETECTING POSITION OF DISTAL END OF MEDICAL TUBE
A tube distal end position detection system (1) includes a light source device (50) that emits light, a hollow tube (10) having a flow path (11) that allows a liquid to flow through, a connector (20) provided at a base end of the tube so as to allow light from the light source device to be incident on an end surface (12) at the base end of the tube, and a light emitting portion (30) provided at the distal end of the tube. Light from the light source device passes through the tube and is emitted from the light emitting portion and transmitted to the body surface.
2 or more, respectively. Ventilation resistances of the filter layer X1 and the filter medium are 4.0 kPa·s/m or more and 20.0 kPa·s/m or less and 55.0 kPa·s/m or more and less than 75.0 kPa·s/m, respectively.
A connector (50) comprises a cylindrical member (52) and a base pipe (58). A light guiding tube (60) is led out from the base pipe (58) toward the side opposite to the cylindrical member (52). An adapter (1) comprises a first connection part (10) that is connectable to and disconnectable from a light source device (70), a second connection part (20) that is connectable to and disconnectable from the connector (50), and a light guide member (30) that guides light emitted from the light source device (70) to a base end surface (61) of the tube (60).
G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
A61B 90/30 - Dispositifs pour éclairer une zone chirurgicale, les dispositifs ayant une corrélation avec d’autres dispositifs chirurgicaux ou avec une intervention chirurgicale
A61J 15/00 - Tubes pour l'alimentation thérapeutique
A61M 25/095 - Dispositions pour permettre la détection de la position interne du cathéter, p. ex. à l'aide d'une radiographie
This connector (1) is configured from a first member (10) and a second member (40). The first member (10) comprises a male connecting part (11) at one end and an engaging structure (26) at another end. The male connecting part (11) is inserted into a female connecting part (41) of the second member (40). A first fitting structure (15) is provided to the first member (10), and a second fitting structure (45) is provided to the second member (40) so as to be able to come into contact in the circumferential direction with the first fitting structure (15). When at least a prescribed rotational force is applied to the first member (10) in the tightening direction (R1) of the engaging structure (26), one of the first fitting structure (15) and the second fitting structure (45) is plastically deformed by the other, after which the first member (10) becomes rotatable in both the forward and the reverse direction relative to the second member (40).
Provided is a medical container from which an accommodated object is easily extracted without being contaminated. A medical container 1 formed by joining together rims of a set of sheet-shaped members 50 and 50 disposed facing each other is provided with: an accommodation part 10 that is disposed at a central part in a width direction WD; and a pair of extending parts 20 that is disposed on one end side in a height direction HD of the accommodation part 10 and extends outward in the width direction from the accommodation part 10. The medical container 1 is preferably provided with partition joining parts 30 that extend from the other end side to the one end side in the height direction HD and partition the accommodation part 10 and the extending parts 20 at boundary portions between the accommodation part 10 and a pair of the extending parts 20.
In the present invention, a male member (11) is surrounded by an outer cylinder (15). A female screw (16) is formed on the inner surface of the outer cylinder (15). The thread groove of the female screw (16) is constituted from a bottom part (53) and a pair of flanks (55a, 55b). The female screw (16) has, in the vicinity of the end (59) of the thread groove on the base end side of the outer cylinder (15), an incomplete thread part (51) in which the bottom part (53) of the thread groove is displaced so as to approach the axis (1a) of a male connector (1) with increasing proximity to the end (59).
A synthetic resin stent is able to demonstrate self-extensibility, restorability, adhesion to the digestive tract, and ability to follow peristaltic movement. The synthetic resin stent is provided with: a first stent that has a first stent body formed as a cylindrical mesh from fibers made of synthetic resin, and that can be deformed from a reduced-diameter state to an expanded-diameter state; and a second stent that is formed as a cylindrical mesh which is finer than that of the first stent body, is arranged so as to cover the outer periphery of the first stent body, and can be deformed from a reduced-diameter state to an expanded-diameter state.
A61F 2/852 - Dispositifs maintenant le passage ou évitant l’affaissement de structures tubulaires du corps, p. ex. stents constitués d’au moins deux stents distincts se chevauchant
A61F 2/90 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles caractérisés par une structure de type filet ou de type à mailles
A stent can ensure storability in thin tubular members such as delivery systems and is insusceptible to positional displacement after placement of the stent in an affected part of a bodily conduit. This synthetic resin comprises a tubular first braid component comprising a plurality of fibers that are braided into a net-like form, and a second braid component comprising a plurality of fibers that are disposed braided into the first braid component to form an annular shape. The first braid component includes a plurality of first fibers, a plurality of second fibers, and a plurality of first intersections. The second braid component includes a plurality of wave-like third fibers disposed separated in an axial direction and a plurality of wave-like fourth fibers disposed separated in the axial direction. At least one of the first intersections is disposed in an intersection region surrounded by the third fiber and the fourth fiber.
A61F 2/90 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles caractérisés par une structure de type filet ou de type à mailles
A pressure bag (1) has a bag shape that is substantially oblong in a planar view and that is provided with, in a first short side (13a) thereof, an opening (11) through which a sac-like container (50) is to be inserted into or taken out of a housing chamber (10). The pressure bag (1) has a double-layered structure in which an inner sheet (20) and an outer sheet (30) are overlapped on one another in such a way that the outer sheet (30) is disposed on the side opposite to the inner sheet (20) relative to the housing chamber (10). A pressure chamber (15) is provided between the inner sheet (20) and the outer sheet (30). The inner sheet (20), the outer sheet (30), and the pressure chamber (15) are disposed so as to extend from one side to the other side relative to the housing chamber (10) via a first long side (14a).
A wiping tip (1) includes a hollow cylindrical member (10), and a cotton-like wiping member (20) arranged on the cylindrical member (10). The cotton-like wiping member (20) constitutes a thin film portion (21) covering an opening at an end of the cylindrical member (10), and an outer circumferential portion (23) extending from the thin film portion (21) and covering an outer circumferential face of the cylindrical member (10) over a predetermined length from the end.
A conversion connector (1) is provided with a first female connector (10) at one end and a second female connector (20) at the other end. The female connector (10) is provided with: a first female member (11) into which a first male member (801) of a first male connector (800) is inserted; and engagement protrusions (16) that engage with engagement claws (816) of the first male connector (800). The second female connector (20) is provided with: a second female member (21) into which a second male member (901) of a second male connector (900) is inserted; and a male screw (24) that is formed on the outer circumference surface of the second female member (21) such that the male screw (24) is threaded with a female screw (904) of the second male connector (900). The first female member (11) is in communication with the second female member (21) via a flow path (31).
Provided are a filter device in which adhesion of hollow fibers to each other is prevented and in which filtration efficiency is improved, and a method for manufacturing the filter device. This method for manufacturing a filter device 1 involves: supporting a spacer 13 using a long and thin plate-form core member 12; winding hollow fibers 14 from one long-axis-direction end to the other long-axis-direction end on the short-axis-direction outer circumference of the spacer 13 supported by the core member 12; pulling out the core member 12 from the spacer 13 on which the hollow fibers 14 are wound, to manufacture a hollow fiber wound body 10B in which the hollow fibers 14 are wound on the outer circumference of the spacer 13; rolling the hollow fiber wound body 10B in the long-axis direction to manufacture a cylindrical filter material 10; and accommodating the filter material 10 in a container.
Provided is a filter device for an extracorporeal circulation circuit, in which bubbles do not readily remain after priming. This filter device 1 comprises: a first container 20A having a first cylindrical section 23, a first end surface section 24 that covers one end section of the first cylindrical section, and a first fluid outlet/inlet 25 that extends in the axial direction of the first cylindrical section from the first end surface section; a second container 20B having a second cylindrical section 26, one end section of which is connected to the other end section of the first container, a second end surface section 27 that covers the other end section of the second cylindrical section 26, and a second fluid outlet/inlet 28 that extends in the axial direction of the second cylindrical section from the second end surface section 27, a projecting section 60 which is along a circumference and in which slits 61 are formed so that the projecting section 60 is discontinuous being formed on the outer peripheral side of an inner surface 28a of the second end surface section 27; an O-ring 62 stretched over the outer periphery of the projecting section 60 and held between the end surface of the first cylindrical section 23 and the inner surface 28a of the second end surface section 27; and a filter material 10 stored in an internal space formed by connection of the first container 20A and the second container 20B with each other.
Provided are: a fluid processing device that can easily be attached/detached or replaced; a connection structure; and a processing method for the fluid processing device in an extracorporeal circulation circuit. An extracorporeal circulation circuit 100 according to the present invention comprises: a first tube 101D in which a tube-side first attachment/detachment part 40B is provided at an end section; a second tube 101U in which a tube-side second attachment/detachment part 50A, which can be attached to/detached from the tube-side first attachment/detachment part 40B, is provided at an end section; and a fluid processing device 1 in which a device-side first attachment/detachment part 40A that can be attached to/detached from the tube-side second attachment/detachment part 50A is provided to one of a fluid inlet 25 and a fluid outlet 28, and a device-side second attachment/detachment part 50B that can be attached to/detached from the tube-side first attachment/detachment part 40B is provided to the other of the fluid inlet 25 and the fluid outlet 28.
This cover (1) can be removably attached to a male connector (900) comprising: a connector main body (910) that has a connector main part (910) and a base end part (920); a cap (930) that is removably attachable to the connector main part; and a band (935) that connects the connector main body or a tube (909) with the cap. The cover (1) is composed of a cushioning material. The cover comprises: an accommodation part (10) that can accommodate the connector main part; and a linking part (11) that extends along the circumferential direction of the connector main part of the male connector. When the cover is mounted on the male connector and the cap is not mounted on the connector main part, a tip end of the connector main part can be exposed to the external environment, and the band is disposed on a base end part side with respect to the linking part.
A61M 39/08 - TubesMoyens de rangement spécialement adaptés aux tubes
A61M 39/20 - Couvercles ou bouchons d'obturation pour connecteurs ou extrémités ouvertes de tubes
A61J 7/00 - Dispositifs pour administrer les médicaments par voie buccale, p. ex. cuillèresDispositifs pour compter les pilulesDispositions pour l'indication ou le rappel du moment où l'on doit prendre des médicaments
Provided is a centrifugal blood pump capable of preventing a blood clot from forming. A centrifugal blood pump 1 is provided with a housing 10, an impeller 20 disposed inside the housing 10, and a magnetic drive part 30. The impeller 20 comprises a base 23, a top shroud 24 having a blood introduction opening 241, a plurality of guide parts 26, a rotation axis member 21 having a lower end 211 axially supported by a lower surface part 13 of the housing 10 and rotatable about a rotation axis J, and a first magnetic body 27 disposed below the base 23. The magnetic drive part 30 comprises a second magnetic body 312, and drives the impeller 20 rotationally about the rotation axis J with the first magnetic body 27 and the second magnetic body 312 being magnetically coupled due to a magnetic coupling force acting to cause the first magnetic body 27 and the second magnetic body 312 to attract each other in the vertical direction. A top surface 242 of the top shroud 24 and a lower surface 121 of an upper surface part 12 of a blood container 11 are formed to narrow from the radially outer side toward the radially inner side of the top shroud 24.
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
A61M 60/109 - Pompes extracorporelles, c.-à-d. que le sang est pompé à l’extérieur du corps du patient incorporées dans des circuits ou des systèmes sanguins extracorporels
A61M 60/419 - Détails concernant l’entraînement des pompes pour le sang à déplacement non positif la force agissant sur l’élément en contact avec le sang étant magnétique permanente, p. ex. à partir d’un couplage magnétique en rotation entre un aimant d’entraînement et un aimant entraîné
A61M 60/824 - Paliers hydrodynamiques ou type film de fluide
51.
CONCENTRATION MEASUREMENT DEVICE AND CONTROL METHOD
Provided is a concentration measurement device having a light emission unit that can reach a stable emission intensity in a reduced time. A concentration measurement device 100 is provided with: a measurement means 110 that measures the absorbance of dialysis drainage and has a first light emission unit 111, a first light reception unit 112, a first temperature measurement unit 114 for measuring the temperature of the first light emission unit, and a first measurement flow path 113 in which the dialysis drainage flows; a light emission control unit 131 for the first light emission unit 111; a determination unit 133 for determining whether or not the emission intensity is in a steady state; and a concentration calculation unit 132. After driving the first light emission unit 111 with direct current to reach a heat equilibrium temperature, the light emission control unit 131 drives the first light emission unit with a pulse waveform. When the temperature measured by the first temperature measurement unit 114 becomes constant, the determination unit 133 determines that the emission intensity of the first light emission unit 111 is in a steady state. When the determination unit 113 determines that the emission intensity is in a steady state, measurement of the concentration of a solute can be started.
A61M 1/16 - Systèmes de dialyseReins artificielsOxygénateurs du sang avec membranes
G01N 21/27 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en utilisant la détection photo-électrique
G01N 21/33 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière ultraviolette
A stationary gripping part 12 and a movable gripping part 32 are provided respectively with a first internal threaded portion and a second internal threaded portion. A threaded shaft 50 is provided with a first external threaded portion 50a that screws into the first internal threaded portion, and a second external threaded portion 50b that screws into the second internal threaded portion. The thread directions are set such that the stationary gripping part 12 and the movable gripping part 32 approach each other when the threaded shaft 50 is rotated.
F16B 2/12 - Brides ou colliers, c.-à-d. dispositifs de fixation dont le serrage est effectué par des forces effectives autres que la résistance à la déformation inhérente au matériau dont est fait le dispositif externes c.-à-d. agissant par contraction utilisant des mâchoires coulissantes
F16B 35/00 - Boulons filetésBoulons d'ancrageGoujons filetésVisVis de pression
A61M 5/142 - Perfusion sous pression, p. ex. utilisant des pompes
A first member (10) and a second member (20) are coupled to each other in a coupling portion (100). The first member includes, on the opposite side to the coupling portion, a main portion (51) that is connectable to a counterpart connector. The main portion and the second member are in communication with each other via a flow channel (102). One of the first member and the second member includes an outer cylindrical portion (30), and the other of the first member and the second member includes an inner cylindrical portion (40). In the coupling portion, the inner cylindrical portion is fitted in the outer cylindrical portion. The outer cylindrical portion includes a first engagement portion (31) and an abutment portion (35). The inner cylindrical portion includes a second engagement portion (41) that engages the first engagement portion, and a leading end (45) that is a front end of the inner cylindrical portion in a direction in which the inner cylindrical portion is fitted into the outer cylindrical portion. As a result of the first engagement portion and the second engagement portion engaging each other, the leading end of the inner cylindrical portion abuts against the abutment portion of the outer cylindrical portion along a central axis (101).
Provided is a blood component measurement device capable of accurately measuring the concentration of a blood component in a short period of time. A blood component measurement device (1) controls a light emission control unit (21) to blink each of light emission units (11) with a plurality of wavelength bands such that lighting sections do not overlap with one another in a predetermined cycle T, and controls the light emission control unit (21) such that the length of one turn-off period Toff1 of a plurality of turn-off periods Toff1 and Toff2 is longer than a falling time of an output voltage of a light reception unit (12) and the length of the other turn-off period Toff2 is shorter than one turn-off period Toff1, and causes a concentration calculation unit (22) to acquire an output voltage Vn of external light in one turn-off period Toff1 and calculate the concentration of a blood component on the basis of values Vc1 and Vc2 obtained by subtracting the output voltage Vn of external light from output voltages V1 and V2 of the light reception unit (12) in lighting sections Ton1 and Ton2.
A61M 1/36 - Autre traitement du sang dans une dérivation du système circulatoire naturel, p. ex. adaptation de la température, irradiation
G01N 21/27 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en utilisant la détection photo-électrique
Provided are a dialysis machine capable of reducing the burden on a patient in accordance with blood circulatory dynamics following infusion of a replenishing fluid, and a water removal control method. A dialysis machine 100 according to the present invention comprises a blood circuit 110, a blood cleaning means 120, a dialysate circuit 130, a circulating blood volume measurement means 140, a replenishing fluid infusion means for infusing replenishing fluid into the blood circuit 110, and a control unit 150 that controls the replenishing fluid infusion means so as to intermittently infuse a prescribed volume of replenishing fluid into the blood circuit 110 at prescribed intervals. When the blood cleaning means 120 is removing water from the blood, the control unit 150 reduces the water removal rate of the blood cleaning means 120 if the rate of reduction in the post-infusion rate of change in replenishing fluid most recently measured by the circulating blood volume measurement means 140 exceeds a first threshold.
A blood processing filter includes a container having 2 ports respectively functioning as an inlet for a liquid to be processed and as an outlet for the processed liquid, and a filtration medium filled in the container, wherein an airflow resistance of the filtration medium is 55.0 kPa·s/m or more and less than 85.0 kPa·s/m, the filtration medium includes a filter material A having an airflow resistance per unit basis weight of 0.01 kPa·s·m/g or more and less than 0.04 kPa·s·m/g and a filter material B having an airflow resistance per unit basis weight of 0.04 kPa·s·m/g or more, at least a part of the filter material A is disposed on a side closer to the inlet for a liquid to be processed than the filter material B, and a sum of airflow resistances of the filter material A is 6.0 kPa·s/m or more.
A wiping tip (1) comprises a hollow cylindrical body (10) and a first wiping part (21) provided on the outer peripheral surface near the tip (10a) of the cylindrical body (10). The wiping tip (1) is inserted into a gap (916) between a male member (911) of a male connector (90) and an outer cylinder (913).
Provided is a stent that can improve the property of storage in a delivery system. This stent 1 is formed by a linear member in a tubular shape having a plurality of openings, extends in an axial direction J, and is deformable from a reduced diameter state to an expanded diameter state. The stent 1 is formed by connecting a plurality of polygonal annular parts 2 formed in a polygonal annular shape when viewed in the axial direction J side by side in the axial direction J of the stent 1 in a state of being bent or curved in the axial direction J. The linear members constituting the polygonal annular parts 2 adjacent to each other in the axial direction J each have a through-hole 23 penetrated in the axial direction J and are connected by a joining member 3 penetrating the two through-holes 23.
A61F 2/89 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles les éléments filiformes comprenant au moins deux anneaux adjacents reliés de manière flexible par des éléments séparés
The present invention addresses the problem of providing a blood treatment filter having an excellent filtration rate. The problem can be solved by the blood treatment filter comprising: a container having an inlet part and an outlet part of blood; and a filter medium disposed between the inlet part and the outlet part in the container, wherein the filter medium comprises a filter element, the average thickness of the filter medium is 7-12 mm, and the standard deviation in thickness of the filter medium is 0.30-0.80 mm.
A male connector (100) is provided with a first fitting structure (127) on the inner circumferential surface of a hood (120) surrounding a male member (110). A female connector (200) is provided with a rotation barrel (250) rotatably provided on a female connector body (210) provided with a partitioning member (220) made of an elastic material. A second fitting structure (257) is provided on the outer circumferential surface of the rotation barrel. When the male connector is connected to the female connector, the male member is penetrated through a slit (223) of the partitioning member and the female connector is inserted into the hood, so that the first fitting structure fits to the second fitting structure.
Provided is a dialysate solution supplying apparatus capable of cleaning an undiluted solution line without requiring a disinfectant cleaning line. A dialysate solution supplying apparatus 1 comprises: a reverse osmosis water line L1; an undiluted solution line L3; a mixer 60 generating a dialysate solution; a dialysate solution supplying line L5; a medicinal solution line L2 supplying a medicinal solution to the reverse osmosis water line L1; a discharged solution line L4 connected to the undiluted solution line L3; undiluted solution pumps P31, P32 arranged in the undiluted solution line L3; check valves V31, V32 arranged in the undiluted solution line L3; discharged solution valves V41, V42 arranged in the discharged solution line L4; a medicinal solution valve V20 arranged in the medicinal solution line L2; and a control apparatus 70. The control apparatus 70 rotates the undiluted solution pumps P31, P32 forward when generating the dialysate solution to close the medicinal solution valve V20 and the discharged solution valves V41, V42, and rotates the undiluted solution pumps P31, P32 backward when disinfecting or cleaning the dialysate solution supplying apparatus 1 to open the medicinal solution valve V20 and the discharged solution valves V41, V42.
A clamp (1) comprises: a first arm (10) to which a pair of locking protrusions (17) are provided; a second arm (20) to which a first wall (23) and a second wall (27) are provided; and an elastic section (30). First engaging parts (18) are provided on the locking protrusions, and second engaging parts (28) are provided on the second wall. The clamp is capable of deforming from an open state in which the first arm (10) is separated from the second arm (20) to a closed state in which the first arm has approached the second arm. When the clamp is in the closed state, the first engaging parts engage the second engaging parts in a state in which the pair of locking protrusions have been inserted between the first wall and the second wall. A gap (37) is formed between the pair of locking protrusions and the second wall along the lengthwise direction of the second arm.
A61M 5/168 - Moyens pour commander l'écoulement des agents vers le corps ou pour doser les agents à introduire dans le corps, p. ex. compteurs de goutte-à-goutte
A61M 39/28 - Moyens de serrage pour l'écrasement des tubes flexibles, p. ex. brides de serrage à rouleaux
A61M 5/168 - Moyens pour commander l'écoulement des agents vers le corps ou pour doser les agents à introduire dans le corps, p. ex. compteurs de goutte-à-goutte
A61M 5/14 - Dispositifs de perfusion, p. ex. perfusion par gravitéPerfusion sanguineAccessoires à cet effet
A device holder (20) that holds a transfer device (800) is provided on a stage (10). The device (800) includes a first connector (810) to which a first container (910) is connectable, a second connector (820) to which a second container (950) is connectable, and a connection port (850) to which a syringe (980) is connectable. The stage (10) can be turned to a first turning position where the first connector (810) is located higher than the second connector (820) and a second turning position where the second connector (820) is located higher than the first connector (810). A second container holder (50) that holds the second container (950) coaxially with the second connector (820) turns together with the stage (10) and can be linearly moved along a direction of an axis of the second connector (820).
A61J 1/20 - Dispositions pour le transfert des liquides, p. ex. du flacon à la seringue
A61J 3/00 - Dispositifs ou procédés spécialement conçus pour donner à des produits pharmaceutiques une forme physique déterminée ou une forme propre à leur administration
The present invention makes it possible to continue supply of gas by a medical gas supply device even when a problem such as power outage occurs. This medical gas supply device 1 is provided with: an oxygen path 22 for supplying oxygen 21 to a medical device; a compressed air path 32 for supplying compressed air 31 to the medical device; a branching part 24 at which the oxygen path 22 branches into a main path 25 and a sub-path 26; a merging part 41 at which the main path 25, the sub-path 26, and the compressed air path 32 merge on the downstream side of the branching part 24; and a control substrate 12 for performing control to switch between a first state in which the main path 25 of the oxygen path 22 and the compressed air path 32 are opened while the sub-path 26 of the oxygen path 22 is closed, so that a gas mixture of the oxygen 21 and the compressed air 31 is supplied to the medical device and a second state in which the sub-path 26 of the oxygen path 22 is opened while the compressed air path 32 and the main path 25 of the oxygen path 22 are closed, so that the oxygen 21 is supplied to the medical device.
A connection tool (1) includes a first connector (10), a second connector (80) which is capable of being connected to and separated from the first connector, and a release cap (70). The first connector has a valve assembly capable of opening and closing a passage of the first connector. When the second connector is connected to the first connector, the second connector acts upon the valve assembly so that the second connector communicates with the first connector. When the release cap is connected to the first connector, the release cap acts upon the valve assembly to enable gas to flow outside from the first connector. When nothing is connected to the first connector, the valve assembly prevents the flow of the gas through the passage toward a connection port.
Provided is a blood purification device with which a filtration flow rate can be increased even if a blood removal flow rate is low in a single needle method. A blood purification device 100 which operates by a single needle method comprises: a blood purifier 120; a blood circuit 110; a substitution liquid supply source 152; a substitution liquid line 150; and a control unit 140. The control unit 140 repeatedly executes a treatment process comprising: a blood removal step in which blood is introduced to the blood circuit 100; a removed blood circulation step in which the blood introduced in the blood removal step and blood introduced at a second flow rate are circulated in the blood circuit 110; and a blood return step in which a substitution liquid is injected into the blood circuit 110 and blood is led out from the blood circuit 110. The removed blood circulation step is performed in: a water removal step in which water removal is carried out at the same flow rate as the second flow rate; or in a filtration step in which a dialysis liquid is injected into the blood circuit 110 at a third flow rate and water removal is carried out in the blood purifier 120 at a flow rate obtained by adding the third flow rate to the second flow rate.
In order to provide a blood purification device in which blood recirculation can be easily measured at low cost, this blood purification device 100 comprises a blood purifier 120, an artery-side line 111, a vein-side line 112, a fluid replacement infusion means for infusing fluid replacement to the artery-side line 111 or the vein-side line 112, an artery-side measurement means 111M that is provided to the artery-side line 111 and that measures a state of blood, and a control unit 140 for controlling the fluid replacement infusion means and the artery-side measurement means 111M, the control unit 140 measuring blood recirculation on the basis of a change in the state of blood measured by the artery-side measurement means 111M in a state in which fluid replacement infusion is being performed by the fluid replacement infusion means.
Provided is a blood purification device capable of removing water and solutes at a proper blood concentration in a blood purifier. A blood purification device 100A is provided with a blood purifier 120, a vein-side line 112 connected to the downstream side of the blood purifier 120, a replacement solution infusion means 150A including a replacement solution line 151A connected to the vein-side line 112, a blood monitor 160 for measuring the concentration of blood discharged from the blood purifier 120, and a control unit 140. The control unit 140 causes the replacement solution infusion means 150A to infuse a replacement solution to the vein-side line 112, removes, in the blood purifier 120, water in an amount equivalent to the amount of the infused replacement solution, and controls the rate of infusion of the replacement solution by the replacement solution infusion means 150A and the water removal rate in the blood purifier 120 on the basis of the blood concentration measured by the blood monitor 160.
Provided is a blood purification device that, regardless of the usage conditions or the usage environment, can accurately determine tube blockages. The blood purification device 1 comprises: a blood purifier 10; an arterial line 21; a blood pump 212 provided in the arterial line 21 and supplying fluid; a load detection unit 66 provided on the upstream side of the blood pump 212 and detecting a load received from a tube constituting the arterial line 21; a reference value generation unit 511 that generates, as an actual measurement reference value, a detected value detected by the load detection unit 66 in a state in which the blood pump 212 is stopped at a prescribed timing; a reference value updating unit 512 that updates the reference value on the basis of the amount of change in the detected value over time and the actual measurement reference value; and a blockage determination unit 513 that determines a blockage in the tube if the detected value is outside a determination range.
A medical prosthetic material 1 according to the present invention includes: a non-absorbent porous substrate layer 2; and a water-impermeable resin layer 3 which is fixed to the non-absorbent porous substrate layer 2 and contains an absorbent material, wherein the absorbent material is a copolymer in which a molar ratio of lactide to caprolactone (lactide:caprolactone) is 65:35 to 80:20. The weight per unit area of the resin layer 3 is preferably less than 180 g/m2, more preferably less than 130 g/m2, and more preferably less than 80 g/m2. Thus, provided is a medical prosthetic material capable of achieving both a barrier property, with which a body fluid leakage or an infiltration in biological tissues can be appropriately protected, and flexibility suitable for the biological tissues.
A61L 27/18 - Matériaux macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 27/40 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent
A61L 27/50 - Matériaux caractérisés par leur fonction ou leurs propriétés physiques
A system (1) for detecting the position of the distal end of a tube is provided with: a light source device (50) for emitting light; a hollow tube (10) having a flow path (11) through which a liquid can pass; a connector (20) provided at the proximal end of the tube such that the light from the light source device can be incident on the end face (12) at the proximal end of the tube; and a light emission unit (30) provided at the distal end of the tube. The light from the light source device is emitted from the light emission unit through the tube and transmitted to the body surface.
ST. MARIANNA UNIVERSITY SCHOOL OF MEDICINE (Japon)
Inventeur(s)
Nagata Tokuichiro
Yamashita Tetsui
Satsuma Akira
Abrégé
Provided is a blood flow meter that can easily be adjusted to a predetermined surface temperature and a predetermined pressing pressure for a measurement region. A blood flow meter 1 comprises a measurement probe 10 which has an irradiation part 111 for radiating laser light, a light-receiving part 112 for receiving reflected light and scattered light, a pressure sensor 113 for measuring a pressing pressure, and a temperature sensor 114 for measuring the temperature of a tissue surface. The blood flow meter 1 preferably further comprises a reporting unit 23 for reporting whether measurement of a blood flow rate is possible, and a control unit 24 for causing the reporting unit 23 to operate so as to report that measurement of a blood flow rate is possible when the pressing pressure measured by the pressure sensor 113 is in a predetermined pressure range and the temperature of the tissue surface measured by the temperature sensor 114 is in a predetermined temperature range.
This vial adaptor (1) is provided with a puncture needle (20) and a female connector (50). A liquid flow passage (24) and a gas flow passage (25) are provided inside the puncture needle. The liquid flow passage communicates with the female connector and the gas flow passage communicates with a ventilation port (46). A one-way valve (40) that allows flow of a gas into the gas flow passage from the ventilation port and inhibits a reverse flow of the gas is provided in a gas communication passage that provides communication between the gas flow passage and the ventilation port. The gas communication passage is provided with a narrow passage (35b) between the gas flow passage and the one-way valve, the narrow passage having a smaller cross-sectional area than the gas flow passage.
Provided is a medical container from which an accommodated object is easily extracted without being contaminated. A medical container 1 formed by joining together rims of a set of sheet-shaped members 50 and 50 arranged facing each other is provided with: an accommodation part 10 that is arranged at a central part in a width direction WD; and a pair of extending parts 20 that is arranged on one end side in a height direction HD of the accommodation part 10 and extends outward in the width direction from the accommodation part 10. The medical container 1 is preferably provided with partition joining parts 30 that extend from the other end side to the one end side in the height direction HD and partition the accommodation part 10 and the extending parts 20 at boundary portions between the accommodation part 10 and the pair of extending parts 20.
A61J 3/00 - Dispositifs ou procédés spécialement conçus pour donner à des produits pharmaceutiques une forme physique déterminée ou une forme propre à leur administration
A61B 50/30 - Récipients spécialement adaptés à l'emballage, la protection, la distribution, la collecte ou l'élimination des appareils ou des instruments chirurgicaux ou de diagnostic
Medical and therapeutic devices, namely, medical and therapeutic devices for tongue-pressure resistance training or tongue strengthening exercises; medical devices, namely, tongue pressure measurement devices; oral function rehabilitation apparatus for medical purposes; body rehabilitation apparatus for medical purposes; physical exercise apparatus for medical purposes
Training device to improve tongue pressure for medical purposes; body rehabilitation apparatus for medical purposes; medical apparatus and instruments.
A liquid sampling chip (1) comprises a male member (10) provided to one end of the liquid sampling chip, a nozzle (20) provided to the other end of the sampling chip, a flow channel (17) penetrating through the liquid sampling chip along the longitudinal direction of the liquid sampling chip so that the male member and the nozzle are communicated thereby, and holding parts (30) for holding the liquid sampling chip. The outer circumferential surface of the male member comprises a tapered surface (12), the outside diameter of which decreases progressively toward the distal end thereof. The holding parts each comprise an arm part (31) which protrudes in the same direction as the nozzle while separating in the radial direction from the nozzle.
Provided is a stent which can ensure storability in thin tubular members such as delivery systems and which is insusceptible to positional displacement after placement of the stent in an affected part of a bodily conduit. This synthetic resin 1 comprises a tubular first braid component 2 comprising a plurality of fibers that are braided into a net-like form, and a second braid component 3 comprising a plurality of fibers that are disposed braided into the first braid component 2 to form an annular shape. The first braid component 2 includes a plurality of first fibers 21, a plurality of second fibers 22, and a plurality of first intersections 23, and the second braid component 3 includes a plurality of wave-like third fibers 31 disposed separated in an axial direction and a plurality of wave-like fourth fibers 32 disposed separated in the axial direction. At least one of the first intersections 23 is disposed in an intersection region 34 surrounded by the third fiber 31 and the fourth fiber 32.
A61F 2/852 - Dispositifs maintenant le passage ou évitant l’affaissement de structures tubulaires du corps, p. ex. stents constitués d’au moins deux stents distincts se chevauchant
A61F 2/90 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles caractérisés par une structure de type filet ou de type à mailles
A wiping tip (1) comprises: a hollow cylindrical body (10); and wiping cotton (20) disposed on the cylindrical body (10). The wiping cotton (20) is constituted by: a thin-film section (21) that covers an opening at the end of the cylindrical body (10); and an outer circumferential section (23) that extends from the thin-film section (21) and covers the outer circumferential surface of the cylindrical body (10) spanning a prescribed length from the end.
This adapter (1) is provided with: a puncture needle (10); a plurality of claws (20) that protrude toward the puncture needle (10); a plurality of elastically-deformable arms (30) that are provided with the plurality of claws (20); and a co-injection port (40) that is connected to the puncture needle (10). The puncture needle (10) is disposed eccentrically with respect to a circle (25) that inscribes the plurality of claws (20) when viewed along the longitudinal direction of the puncture needle (10).
The purpose of this invention is to provide a sensor clip and liquid component measuring apparatus with which it is possible to curb deterioration. This sensor clip 70 comprises: a sensor unit 80 having a light-emitting unit 812a, and a light receiving unit 822a which is positioned facing the light-emitting unit 812a; a mounting unit to which a liquid storage unit 90 can be detachably mounted, the liquid storage unit being positioned between the light-emitting unit 812a and the light-receiving unit 822a; and a distance-adjustment mechanism 78 which can adjust the distance between the light-emitting unit 812a and the light-receiving unit 822a. The distance-adjustment mechanism 78 can vary the distance while maintaining the light-emitting unit 812a and the light-receiving unit 822a in a parallel state.
A61B 5/1455 - Mesure des caractéristiques du sang in vivo, p. ex. de la concentration des gaz dans le sang ou de la valeur du pH du sang en utilisant des capteurs optiques, p. ex. des oxymètres à photométrie spectrale
A61M 1/16 - Systèmes de dialyseReins artificielsOxygénateurs du sang avec membranes
Provided is a synthetic resin stent able to demonstrate self-extensibility, restorability, adhesion to the digestive tract, and ability to follow peristaltic movement. A synthetic resin stent 1 is provided with: a first stent 2 that has a first stent body 3 formed as a cylindrical mesh from fibers made of synthetic resin, and that can be deformed from a reduced-diameter state to an expanded-diameter state; and a second stent 5 that is formed as a cylindrical mesh which is finer than that of the first stent body 3, is arranged so as to cover the outer periphery of the first stent body 3, and can be deformed from a reduced-diameter state to an expanded-diameter state.
A61F 2/848 - Dispositifs maintenant le passage ou évitant l’affaissement de structures tubulaires du corps, p. ex. stents avec des moyens de fixation à la paroi du vaisseau, p. ex. des barbes
A61F 2/852 - Dispositifs maintenant le passage ou évitant l’affaissement de structures tubulaires du corps, p. ex. stents constitués d’au moins deux stents distincts se chevauchant
A61F 2/89 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles les éléments filiformes comprenant au moins deux anneaux adjacents reliés de manière flexible par des éléments séparés
A61F 2/90 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles caractérisés par une structure de type filet ou de type à mailles
A61F 2/966 - Instruments spécialement adaptés pour insérer ou retirer les stents ou les endoprothèses déployables couvertes possédant une gaine extérieure avec un mouvement longitudinal relatif entre la gaine extérieure et la prothèse, p. ex. utilisant une tige poussoir
Provided is a stent that exhibits the ability to follow peristaltic movement, and that has an end flare part making it possible to curb positional offset, with respect to peristaltic movement, after stenting. A stent 6 is provided with an end flare part 72 arranged at an axial end, and is formed of a wire material, wherein: the end flare part 72 is formed in an annular shape if viewed in the axial direction, such annular shape the result of disposing, continuously in the circumferential direction, a plurality of peaks 721 each made of a distal end corner that protrudes outward in the axial direction; in a state where the stent 6 has been placed in the gastrointestinal tract, an angle θ formed by two sides 721a, 721a constituting each peak 721 is 80° or less; and the number of the plurality of peaks 721 is 3 to 11.
A61F 2/848 - Dispositifs maintenant le passage ou évitant l’affaissement de structures tubulaires du corps, p. ex. stents avec des moyens de fixation à la paroi du vaisseau, p. ex. des barbes
A61F 2/90 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles caractérisés par une structure de type filet ou de type à mailles
Provided is a stent housing auxiliary tool which enables easy housing of a stent in a stent delivery system. A stent housing auxiliary tool 70 is for housing a stent 10 in a stent delivery system 1. The stent delivery system 1 is provided with: an outer cylinder 20 capable of housing thereinside, on the leading end side, the stent 10 in a radially contracted state; an internal member 30 that is disposed so as to be axially entering into and retracting from the inside of the outer cylinder 20 and that can be disposed in a state where the leading end is projecting to the outside on the leading end side in the axial direction of the outer cylinder 20; and a leading end tip 50 connected the leading end of the internal member 30. The stent housing auxiliary tool 70 has a tapered cylindrical part 71 which is, when being used, formed in a cylindrical shape disposed between the outer cylinder 20 and the leading end tip 50 in the axial direction of the internal member 30, and on the outer side of the internal member 30, and which has a tapered inner surface 712a, the inner diameter of which decreases from the leading end tip 50 side toward the outer cylinder 20 side. The tapered cylindrical part 71 is configured to be dividable into a plurality of divisional parts 81, 82.
A stylet connector (10) is provided with a first connector (20) and a second connector (30). A flow passage (11) penetrates the stylet connector such that the first connector and the second connector are connected to each other. The first connector has a female tapered face (22). A wire retention part (40) is provided in the flow passage on the second connector side relative to the first connector. A guide wire (50) is inserted to the inner cavity of the wire retention part (40) and is fixed to the stylet connector via an adhesive agent (48) filled in the inner cavity. The guide wire is drawn out of the first connector through the flow passage. A through hole (45) that penetrates the stylet connector separately from the flow passage is provided such that the wire retention part and the outside of the stylet connector are connected to each other.
Provided are a hemodialysis device and a supplemental liquid line connection state detection method that can accurately detect the attachment state of a supplemental liquid clamp for opening-closing a supplemental liquid line. The hemodialysis device 100 comprises a blood circuit 110, a dialysate circuit 130, a supplemental liquid line 140, a supplemental liquid pump 140a, a supplemental liquid clamp 140b, a pressure sensor 140c measuring the liquid pressure in the supplemental liquid line 140, a control unit 161, and a determination unit 162, wherein the control unit 161 activates the supplemental liquid pump 140a, causing the liquid pressure of the supplemental liquid line 140 to rise, and the determination unit 162 determines that the supplemental liquid line 140 is connected correctly if the measured liquid pressure in the supplemental liquid line 140 is at a predetermined value or higher, and determines that the supplemental liquid line 140 is not connected correctly if the measured liquid pressure is smaller than the predetermined value.
The present invention provides a load detector which can prevent erroneous detection of an output voltage of a load detection sensor. A load detector 66 is provided with a body 61 and a lid part 62 for opening/closing the body 61, and detects, when the lid part 62 is closed, a load based on pressure from a to-be-measured part disposed between the body 61 and the lid part 62. The load detector 66 is provided with: a load part 71 capable of advancing or retreating in the axial direction in response to pressure from the to-be-measured part; a load detection sensor 665 that detects a load from the load part 71 and that is disposed opposite to the leading end of the load part 71; a contact part 72 that is disposed in contact with the outer peripheral surface of the load part 71 so as not to impede movement of the load part 71 in the axial direction; and a connection part 73 that electrically connects the contact part 72 and an earth part 610.
A61M 1/16 - Systèmes de dialyseReins artificielsOxygénateurs du sang avec membranes
A61M 39/28 - Moyens de serrage pour l'écrasement des tubes flexibles, p. ex. brides de serrage à rouleaux
G01L 7/00 - Mesure de la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments mécaniques ou hydrauliques sensibles à la pression
The present invention provides a closure detection device and a clamp unit that can suppress application of a load with a predetermined value or more to a load detection sensor for detecting a load based on pressure from a tube. A closure detection device 66 is provided with: a unit body 61; a substrate 664 mounted to the unit body 61; a load detection sensor 665 that is disposed on the substrate 664 and detects a load based on pressure from a tube; a lid part 62 that opens/closes the unit body 61; a load absorption part 80 that, in a state where the unit body 61 is closed by the lid part 62 and the tube is disposed between the lid part 62 and the load detection sensor 665, when a load with a predetermined value or more is applied to the load detection sensor 665, absorbs a load applied to the substrate 664 via the load detection sensor 665.
A61M 1/16 - Systèmes de dialyseReins artificielsOxygénateurs du sang avec membranes
A61M 39/28 - Moyens de serrage pour l'écrasement des tubes flexibles, p. ex. brides de serrage à rouleaux
G01L 7/00 - Mesure de la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments mécaniques ou hydrauliques sensibles à la pression
Provided is a cell preserving vessel which is protected against damage during storage. The cell preserving vessel 1 includes: a vessel body 10 which is made of a flexible resin member and has a cell accommodating part 11; a cell introducing tube 20 which is connected to the vessel body 10 and through which cells are introduced into the cell accommodating part 11; and a pair of tube protecting parts 40 which are arranged to hold the cell introducing tube 20 therebetween and which protect a vicinity of a joined portion of the cell introducing tube 20, the joined portion being joined to the vessel body 10. The tube protecting parts 40 are preferably constituted by sheet members 50 and 60 that form the vessel body 10.
A first member (10) and a second member (20) are coupled by a coupling part (100). In the first member, a main part (51) capable of connecting to a counterpart connector is provided on the opposite side from the coupling part. A flow channel (102) communicates the main part and the second member. One of the first member and the second member is provided with an outer cylinder part (30), and the other thereof is provided with an inner cylinder member (40). In the coupling part, the inner cylinder part is fitted in the outer cylinder part. The outer cylinder part is provided with a first engaging part (31) and a contacting part (35). The inner cylinder part is provided with a second engaging part (41) for engaging with the first engaging part, and a distal end (45) as the front end of the inner cylinder part in the direction of fitting thereof into the outer cylinder part. In engagement of the first engaging part and the second engaging part, the distal end of the inner cylinder part is brought into contact with the contacting part of the outer cylinder part along the center axis (101).
A pressure bag (1) has a bag-like shape including an opening (11) at one end thereof and a bottom portion (12) on the opposite side to the opening (11). The pressure bag (1) has a double structure in which an inner sheet (20) and an outer sheet (30) are laid one on top of the other so that the outer sheet (30) is located on the opposite side of the inner sheet (20) from the housing chamber (10). A pressure chamber (15) is provided between the inner sheet (20) and the outer sheet (30). All of the inner sheet (20), the outer sheet (30), and the pressure chamber (15) extend from one side to the other side of the housing chamber (10) via the bottom portion (12).
B65D 75/00 - Paquets comportant des objets ou matériaux partiellement ou complètement enfermés dans des bandelettes, des feuilles, des flans, des tubes ou des bandes en matériau souple mince, p. ex. dans des enveloppes pliées
B65D 83/00 - Réceptacles ou paquets comportant des moyens particuliers pour distribuer leur contenu
B65D 83/62 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur avec un contenu et un propulseur séparés par des membranes, des sacs ou similaires
96.
DIALYSIS DEVICE, AND FLUID REPLACEMENT CONTROL METHOD
The objective of the present invention is to provide a dialysis device and a fluid replacement control method capable of carrying out appropriate fluid replacement. A dialysis device 100 is provided with a blood circuit 110, a blood purifying means 120, a dialysate circuit 130, a circulating blood quantity measuring means 140, a replenishing liquid injecting means for injecting into the blood circuit replenishing liquid for restoring the circulating blood quantity, and a control unit 150 for controlling the replenishing liquid injecting means in such a way that a predetermined quantity of the replenishing liquid is injected intermittently into the blood circuit at predetermined intervals, wherein the control unit adjusts the next replenishing liquid injection quantity and/or injection interval in such a way that a rate of change in the circulating blood quantity resulting from the next replenishing liquid injection lies in a predetermined range, on the basis of the rate of change in the circulating blood quantity resulting from the most recent injection of replenishing liquid, measured using the measuring means, and controls a rate of water removal by the blood purifying means in such a way that water content corresponding to the entire quantity of replenishing liquid injected into the blood circuit is recovered during the period from the start to the end of the dialysis.
Provided are a dialysis device and a control method that are capable of removing water in a volume proportional to body weight at a predetermined water removal rate irrespective of the embodiment of a replacement fluid. This dialysis device 100 is provided with: a blood circuit 110; a blood purification means 120; a dialysate circuit 130 having a dialysate delivery unit 133 that delivers a dialysate through the blood purification means 120 so as to perform fluid replacement by backfiltration or water removal; and a control unit 140 which performs control so as to cause the dialysate delivery unit 133 to carry out water removal from the blood circuit 110 and intermittent fluid replacement to the blood circuit 110. The time for performing fluid replacement is computed on the basis of a prescribed fluid replacement volume and a prescribed fluid replacement rate r. When fluid replacement is not being performed, water removal in a volume proportional to body weight is performed at a preset water removal rate f1, and at the same time, water removal in a volume proportional to recovered replacement fluid is performed at a replacement fluid recovery rate f2 based on a prescribed replacement fluid volume. When fluid replacement is being performed, fluid replacement is carried out at a backfiltration rate R that is computed by subtracting the preset water removal rate f1 from the prescribed fluid replacement rate r.
NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER (Japon)
JMS CO., LTD. (Japon)
Inventeur(s)
Yamaoka, Tetsuji
Munisso, Maria Chiara
Mahara, Atsushi
Yamamoto, Takashi
Abrégé
Provided is a use for a peptide in surface-treating a medical device or medical material to be used in contact with blood, with which it is possible to obtain a medical device or medical material that can achieve highly efficient vascular endothelialization through the use of a peptide uniquely binding to vascular endothelial cells. Also provided are: a peptide suitable for use in said surface treatment; a method for producing a medical device or medical material surfaced-treated with said peptide and to be used in contact with blood; and a surface treatment agent including said peptide, said agent to be used in surface-treating a medical device or medical material to be used in contact with blood. In the present invention, a medical device or medical material is surface-treated using a peptide that includes any one of ten specific amino acid sequences and uniquely binds to the surface of endothelial progenitor cells.
A locking lever (30) is disposed facing a rod-shaped male member (11). A claw (35) is provided on the locking lever (30) so as to project toward the male member (11). A male connector (1) is provided with a slider (40) that moves between a first position and a second position in a direction parallel to the longitudinal direction of the male member (11). The claw (35) is configured so as to be capable of engaging with a female connector (100) when the male member (11) is inserted into the female connector (100) and the slider (40) is in the first position. When the slider (40) is moved from the first position to the second position, the slider (40) causes the locking lever (30) to elastically flexurally deform so that the claw (35) moves away from the male member (11).
A catheter hub member 21 is formed smaller than a female connector 5. An extension tube 3 is flexible. A grasping part 8 is provided with a pushing operation member 9 for pushing the catheter hub member 21.