A surgical device includes a tool and a motor configured to drive movement of the tool. The tool is supported on a shaft assembly and the shaft assembly and the motor include a plurality of components that cooperate to support or drive the tool. One or more indicators are disposed proximate one or more of the plurality of components and are configured to provide feedback indicative of one or more properties of one of the plurality of components either prior to, during or after use of the surgical device. The plurality of components may include at least one of gears, shafts and bearings, and the indicators may include any one of: thermochromic indicators, thermally-activated elements, thermal fuses, thermocouples, and thermistors.
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
2.
SURGICAL DEVICES, SYSTEMS, AND METHODS FOR DETERMINING WEAR
A surgical device includes a tool and a motor configured to drive movement of the tool. The tool is supported on a shaft assembly and the shaft assembly and the motor include a plurality of components that cooperate to support or drive the tool. One or more indicators are disposed proximate one or more of the plurality of components and are configured to provide feedback indicative of one or more properties of one of the plurality of components either prior to, during or after use of the surgical device. The plurality of components may include at least one of gears, shafts and bearings, and the indicators may include any one of: thermochromic indicators, thermally-activated elements, thermal fuses, thermocouples, and thermistors.
A method for identifying a surgical tool for use with a surgical device includes integrating a variable indicator within a removably engageable component of a surgical tool of a surgical device. The method also includes engaging the surgical tool with the surgical device, wherein, upon engagement, the variable indicator aligns with one or more leads connected to a power console. The power control reads the variable indicator and identifies the surgical tool based on quantifying the variable indicator. The power control is then calibrated according to the operating parameters of the surgical tool stored within the power control.
A61B 90/90 - Moyens d’identification pour les patients ou les instruments, p.ex. étiquettes
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux, p.ex. tourniquets
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
Disclosed is a system including a flow control assembly. The system may include a flow regulating shunt system, for various purposes. The flow control assembly may be controlled according to selected parameters and methods.
Systems and methods whereby a surgical instrument includes an ultrasonic transducer contained in a housing and a transmission assembly at least partially received by the housing. The transmission assembly enabled to encapsulate a waveguide, wherein the waveguide transmits ultrasonic vibrations from the transducer to the ultrasonic blade. The ultrasonic blade includes a blade tip and at least one incorporated feature between a distal end of the ultrasonic blade and a proximal end, wherein the at least one incorporated feature includes one or more depressions or protrusions, creating abrasive surfaces and channels. The abrasive surfaces capable of breaking up tissue and the channels capable of collecting and expelling the broken-up tissue. A control switch operable to initiate and halt the ultrasonic transducer.
Systems and methods whereby a surgical instrument includes an ultrasonic transducer contained in a housing and a transmission assembly at least partially received by the housing. The transmission assembly enabled to encapsulate a waveguide, wherein the waveguide transmits ultrasonic vibrations from the transducer to the ultrasonic blade. The ultrasonic blade includes a blade tip and at least one incorporated feature between a distal end of the ultrasonic blade and a proximal end, wherein the at least one incorporated feature includes one or more depressions or protrusions, creating abrasive surfaces and channels. The abrasive surfaces capable of breaking up tissue and the channels capable of collecting and expelling the broken-up tissue. A control switch operable to initiate and halt the ultrasonic transducer.
A surgical device for cutting or shaving bone or tissue includes a housing (20) having an elongated tube (12) extending therefrom, the elongated tube (12) configured to support a surgical tool (100) at a distal end (16) thereof. A gear assembly (40) is disposed within the housing (20) and is configured to control oscillation of the surgical tool (100). A motor (50) is operably coupled to the housing (20) and is configured to drive the gear assembly (40) upon activation thereof. The motor (50) is moveable relative to the housing (20) to adjust one or more gears of the gear assembly which, in turn, adjusts an oscillation angle of the surgical tool to control the aggressiveness of the surgical tool when cutting tissue or bone.
A surgical device for cutting or shaving bone or tissue includes an outer housing having a collet secured to an inner peripheral surface thereof including one or more apertures defined therein. A housing includes an elongated tube extending therefrom configured to support a surgical tool at a distal end thereof. A gear assembly is disposed within the housing and is configured to drive the surgical tool, the gear assembly includes a drive gear housing selectively moveable within the housing to switch the gear assembly between an oscillation mode and a rotation mode for driving the surgical tool. A motor is operably coupled to the gear assembly, such that, upon activation thereof, the motor oscillates or rotates the surgical tool depending upon the position of the drive gear housing within the housing.
A surgical device for cutting or shaving bone or tissue includes a housing having an elongated tube extending therefrom, the elongated tube configured to support a surgical tool at a distal end thereof. A gear assembly is disposed within the housing and is configured to control oscillation of the surgical tool. A motor is operably coupled to the housing and is configured to drive the gear assembly upon activation thereof. The motor is moveable relative to the housing to adjust one or more gears of the gear assembly which, in turn, adjusts an oscillation angle of the surgical tool to control the aggressiveness of the surgical tool when cutting tissue or bone.
A surgical device for cutting or shaving bone or tissue includes an outer housing having a collet secured to an inner peripheral surface thereof including one or more apertures defined therein. A housing includes an elongated tube extending therefrom configured to support a surgical tool at a distal end thereof. A gear assembly is disposed within the housing and is configured to drive the surgical tool, the gear assembly includes a drive gear housing selectively moveable within the housing to switch the gear assembly between an oscillation mode and a rotation mode for driving the surgical tool. A motor is operably coupled to the gear assembly, such that, upon activation thereof, the motor oscillates or rotates the surgical tool depending upon the position of the drive gear housing within the housing.
A surgical device for cutting or shaving bone or tissue includes a housing having an elongated tube extending therefrom, the elongated tube configured to support a surgical tool at a distal end thereof. A gear assembly is disposed within the housing and is configured to control oscillation of the surgical tool. A motor is operably coupled to the housing and is configured to drive the gear assembly upon activation thereof. The motor is moveable relative to the housing to adjust one or more gears of the gear assembly which, in turn, adjusts an oscillation angle of the surgical tool to control the aggressiveness of the surgical tool when cutting tissue or bone.
A surgical cutting tool includes an elongated shaft and a cutting head. The shaft defines a coupling portion terminating at a proximal end of the shaft, a stem portion, and a distal portion. The stem portion defines a central axis. The coupling portion optionally defines a deflection surface positioned oblique with respect to the central axis and connected with a first driven surface and a second driven surface. Upon insertion into a drive chuck, the deflection surface promotes self-alignment of the cutting tool and the drive chuck.
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
B23B 31/00 - Mandrins de serrage; Mandrins extensibles; Leurs adaptations à la commande à distance
B23B 31/107 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assuré par éléments mobiles, p.ex. des billes
Disclosed is a system to engage one or more tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. Further, a tracking device may be used to track a location of at least a portion of the tool.
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
A61B 17/17 - Dispositifs de guidage pour les forets
Disclosed is a system including a flow regulating system. The flow regulating system may assist in ensuring a selected pressure within an inlet volume. The flow regulator may be included in a shunt assembly.
A61M 27/00 - Appareillage pour drainage des blessures
F16K 17/06 - Soupapes ou clapets de sûreté; Soupapes ou clapets d'équilibrage fermant sur insuffisance de pression d'un côté actionnés par ressort avec dispositions particulières pour régler la pression d'ouverture
F16K 15/04 - Soupapes, clapets ou valves de retenue à corps de soupapes rigides guidés en forme de sphère
A valve assembly (10) configured to maintain fluid flow therethrough at a constant flow rate. The valve assembly (10) including a flexible flow control member (50) defining an inner fluid chamber (90) within the flexible flow control member (50) and an inlet opening (56) to the inner fluid chamber (90). An outer fluid chamber (92) is defined between the flexible flow control member (50) and an inner surface (74) of a valve housing (20). The flexible flow control member (50) is configured to flex inward and shrink the inner fluid chamber (90) in response to a pressure decrease in the inner fluid chamber (90) relative to the outer fluid chamber (92) resulting from an increase in an inlet flow rate to maintain an outlet flow rate from the valve assembly (10) at the constant flow rate.
A61M 27/00 - Appareillage pour drainage des blessures
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 5/142 - Perfusion sous pression, p.ex. utilisant des pompes
A61M 39/24 - Soupapes de retenue ou soupapes anti-retour
16.
RETRACTABLE PROTECTION AND/OR SENSING FEATURES FOR POWERED SURGICAL CUTTING DEVICES AND SYSTEMS
A surgical cutting device includes a handle, a shaft assembly extending distally from the handle, a cutting tool extending through the shaft assembly, and a retractable shield. The retractable shield and/or the cutting tool is movable relative to the other between a retracted position, wherein a distal tip of the cutting tool extends through and distally beyond a ring (or other opening) of the retractable shield, and one or more extended positions, wherein the ring (or other portion) of the retractable shield extends distally beyond the distal tip of the cutting tool. In aspects, a sensor is disposed on a distal face of the retractable shield. In aspects, a surgical system including the surgical cutting device includes control circuitry configured to receive sensed data from the sensor and to provide an output based thereon.
A system includes a flow regulating system. The flow regulating system may assist in ensuring a selected pressure within an inlet volume. A flow regulator may be included in a shunt assembly(10).
Disclosed is a system including a flow regulating system. The flow regulating system may assist in ensuring a selected pressure within an inlet volume. The flow regulator may be included in a shunt assembly.
A system includes a flow regulating system. The flow regulating system may assist in ensuring a selected pressure within an inlet volume. A flow regulator may be included in a shunt assembly (10).
A61M 39/24 - Soupapes de retenue ou soupapes anti-retour
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 27/00 - Appareillage pour drainage des blessures
Disclosed is a system to engage a plurality of tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. User selection may allow use of a plurality of tools during a procedure or during a plurality of procedures.
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
B23B 31/107 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assuré par éléments mobiles, p.ex. des billes
B25F 5/02 - Structure des boîtiers, corps ou poignées
B23B 31/20 - Manchons fendus longitudinalement, p.ex. mandrins à pinces
A device for use with a debridement system is disclosed. The device includes an outer tubular shaft having an inner surface defining a lumen along an axis, the inner surface having an inner surface diameter. An inner tubular shaft is disposed within the lumen and rotatable within the outer tubular shaft. The inner tubular shaft includes an outer surface having an outer surface diameter less than the inner surface diameter. The inner surface of the outer tubular shaft with the outer surface of the inner tubular shaft forms a channel along the axis to receive fluid from the fluid source. The rotor is disposed in the channel and includes an axially extending helicoid blade coupled to the inner tubular shaft. The blade rotates within and with respect to the outer tubular shaft and exerts an axial thrust on the fluid in the channel with respect to the outer tubular shaft.
A system including a flow control assembly 50 for a hydrocephalus shunt. The system may include a flow regulating shunt system, for various purposes. The flow control assembly may be controlled according to selected parameters.
A surgical bur is disclosed having cutting and trailing edges and associated flutes and lands. Each flute includes a cutting edge. Each of the trailing edges relatives in a selected dimension to a preceding cutting edge.
Disclosed is a system including a flow control assembly. The system may include a flow regulating shunt system, for various purposes. The flow control assembly may be controlled according to selected parameters and methods.
Disclosed is a system including a flow control assembly. The system may include a flow regulating shunt system (50), for various purposes. The flow control assembly may be controlled according to selected parameters and methods.
A system including a flow control assembly. The system may include a flow regulating shunt system, for various purposes such as a use as a hydrocephalus shunt. The flow control assembly may be controlled according to selected parameters and methods. These include controlling microelectromechanical (MEMS) system to control a pressure in the flow control assembly.
Disclosed is a system to engage a plurality of tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. User selection may allow use of a plurality of tools during a procedure or during a plurality of procedures.
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
B23B 31/107 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assuré par éléments mobiles, p.ex. des billes
B25F 5/02 - Structure des boîtiers, corps ou poignées
B23B 31/20 - Manchons fendus longitudinalement, p.ex. mandrins à pinces
Disclosed is a system to engage one or more tools. In the system, a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. A guide may be used with the system to select various features of a procedure, such as depth and position.
A61B 17/17 - Dispositifs de guidage pour les forets
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
Disclosed is a system to engage one or more tools. In the system, a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. A guide may be used with the system to select various features of a procedure, such as depth and position.
A surgical cutting tool includes an elongated shaft and a cutting head. The shaft defines a coupling portion terminating at a proximal end of the shaft, a stem portion, and a distal portion. The stem portion defines a central axis. The coupling portion optionally defines a deflection surface positioned oblique with respect to the central axis and connected with a first driven surface and a second driven surface. Upon insertion into a drive chuck, the deflection surface promotes self-alignment of the cutting tool and the drive chuck.
B23B 31/00 - Mandrins de serrage; Mandrins extensibles; Leurs adaptations à la commande à distance
B23B 31/107 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assuré par éléments mobiles, p.ex. des billes
Disclosed is a system to engage one or more tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. Further, a tracking device may be used to track a location of at least a portion of the tool.
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
A61B 17/17 - Dispositifs de guidage pour les forets
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux, p.ex. tourniquets
32.
Cerebrospinal fluid shunt having long term anti-occlusion agent delivery
The invention includes a shunt for at least partial implantation into a patient that includes an elongated conduit having at least one lumen therethrough, that includes a proximal end for receipt of bodily fluids for flow through the shunt and a distal end for discharge of the bodily fluids from the shunt, and a long term source of at least one occlusion resistant agent, wherein said at least a portion of the at least one occlusion resistant agent can permeate through at least a portion of the elongated conduit. The invention also includes kits and systems.
A surgical dissection tool for cutting bone and other tissue includes a cutting head having an outer surface having non-paired or an odd number of flutes formed therein. Each flute includes a rake surface intersecting with the outer surface to form a cutting edge, and a relief surface opposite the rake surface. The relief surface and the rake surface form a first angle. Each flute also includes a leading angled surface extending from the relief surface to a distal end portion of the cutting head, the leading angled surface and the rake surface forming a second angle substantially the same as the first angle.
A surgical bur including flutes and lands. Each of the flutes includes a cutting edge, rake surfaces and a clearance surface. The rake surfaces of one of the flutes are decoupled from each other. Each of the lands is disposed between a pair of the flutes.
The pneumatic drill has member defining an air input and an air output and a housing defining an internal cylindrical chamber having bearing surfaces having a through axis. A driven shaft is coupled to the tool engaging chuck that defines a plurality of longitudinal slots. The driven shaft is disposed within the chamber and has a longitudinal axis offset from the through axis. A plurality of vanes each being partially formed of graphite that are individually disposed within one of the plurality's of longitudinal slots. Two of the vanes, the housing, and the driven shaft define a moving compression chamber.
A surgical cutting tool adapted to be rotatably driven by a motor. The surgical cutting tool includes an elongated shaft defining intermediate and coupling portions. A shape of the intermediate portion defines a primary central axis of the shaft. The coupling portion includes a tang having a tapered cylindrical shape that defines a drive axis. The drive axis is slanted with respect to the primary central axis. When coupled to the motor of a powered handpiece, the tang transmits an input or drive force from the motor to the intermediate portion as a torque about the primary central axis. In some embodiments, the drive axis extends through a centroid of first and second spaced apart cross-sectional planes of the tang, the first and second planes each being perpendicular to the primary central axis.
The pneumatic drill has member defining an air input and an air output and a housing defining an internal cylindrical chamber having bearing surfaces having a through axis. A driven shaft is coupled to the tool engaging chuck that defines a plurality of longitudinal slots. The driven shaft is disposed within the chamber and has a longitudinal axis offset from the through axis. A plurality of vanes each being partially formed of graphite that are individually disposed within one of the plurality's of longitudinal slots. Two of the vanes, the housing, and the driven shaft define a moving compression chamber.
B23B 45/04 - Perceuses tenues à la main ou perceuses analogues portatives, p.ex. en forme de pistolet; Equipement à cet effet entraînées hydrauliquement ou pneumatiquement
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
F01C 13/02 - Adaptations des "machines" ou machines motrices pour applications particulières; Association de machines motrices avec les dispositifs qu'elles entraînent pour l'entraînement d'outils à main ou d'appareils analogues
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux, p.ex. tourniquets
F01C 1/344 - "Machines" ou machines motrices à piston rotatif ayant des caractéristiques couvertes par au moins deux des groupes , , , ou par l'un de ces groupes associées à un autre type de mouvement entre les organes coopérants ayant à la fois le mouvement défini dans le groupe ou et un mouvement alternatif entre les organes coopérants comportant des organes obturateurs se déplaçant par rapport à l'organe interne
A surgical bur is disclosed having cutting and trailing edges and associated flutes and lands. Each flute includes a cutting edge. Each of the trailing edges relatives in a selected dimension to a preceding cutting edge.
A blade coupling mechanism for a hand-held surgical cutting instrument includes a first coupling member including a first blade-contacting surface and a first outer perimeter sidewall adjacent the first blade contacting surface. It also includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. The second coupling member includes a second outer perimeter sidewall adjacent the second blade contacting surface. The second blade-contacting surface and the second outer perimeter sidewall meet to define an outer edge. The second coupling member including a bore through the second blade contacting surface. The bore and the second blade contacting surface meeting to define an inner edge. Blade-engaging protrusions project from at least one of the first and second blade-contacting surfaces. The protrusions are spaced closer to the outer edge than the inner edge.
An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force.
A surgical cutting tool includes an elongated shaft and a cutting head. The shaft defines a coupling portion terminating at a proximal end of the shaft, a stem portion, and a distal portion. The stem portion defines a central axis. The coupling portion optionally defines a deflection surface positioned oblique with respect to the central axis and connected with a first driven surface and a second driven surface. Upon insertion into a drive chuck, the deflection surface promotes self-alignment of the cutting tool and the drive chuck.
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
B23B 31/00 - Mandrins de serrage; Mandrins extensibles; Leurs adaptations à la commande à distance
B23B 31/107 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assuré par éléments mobiles, p.ex. des billes
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux, p.ex. tourniquets
A surgical dissection tool for cutting bone and other tissue includes a cutting head having an outer surface having non-paired or an odd number of flutes formed therein. Each flute includes a rake surface intersecting with the outer surface to form a cutting edge, and a relief surface opposite the rake surface. The relief surface and the rake surface form a first angle. Each flute also includes a leading angled surface extending from the relief surface to a distal end portion of the cutting head, the leading angled surface and the rake surface forming a second angle substantially the same as the first angle.
A surgical bur includes a body and a drill point. The body includes flutes and lands. Each of the flutes includes a cutting edge, a rake face, and a clearance surface. Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces. Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.
Disclosed is a system to engage a plurality of tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. User selection may allow use of a plurality of tools during a procedure or during a plurality of procedures.
Disclosed is a system to engage a plurality of tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. User selection may allow use of a plurality of tools during a procedure or during a plurality of procedures.
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
B23B 31/107 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assuré par éléments mobiles, p.ex. des billes
B25F 5/02 - Structure des boîtiers, corps ou poignées
B23B 31/20 - Manchons fendus longitudinalement, p.ex. mandrins à pinces
Disclosed is a system to engage one or more tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. Further, a tracking device may be used to track a location of at least a portion of the tool.
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
A blade coupling mechanism for a hand-held surgical cutting instrument includes a first coupling member including a first blade-contacting surface and a first outer perimeter sidewall adjacent the first blade contacting surface. It also includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. The second coupling member includes a second outer perimeter sidewall adjacent the second blade contacting surface. The second blade-contacting surface and the second outer perimeter sidewall meet to define an outer edge. The second coupling member including a bore through the second blade contacting surface. The bore and the second blade contacting surface meeting to define an inner edge. Blade-engaging protrusions project from at least one of the first and second blade-contacting surfaces. The protrusions are spaced closer to the outer edge than the inner edge.
A surgical bur is disclosed having cutting and trailing edges and associated flutes and lands. Each flute includes a cutting edge. Each of the trailing edges relatives in a selected dimension to a preceding cutting edge.
A surgical bur is disclosed having cutting and trailing edges and associated flutes and lands. Each flute includes a cutting edge. Each of the trailing edges relatives in a selected dimension to a preceding cutting edge.
Disclosed is a system that includes pressure sensors to assist in monitoring pressure at a selected location. Pressure sensors may be applied to or incorporated into catheters and/or shunts positioned within a patient. A monitoring system may then receive signals from the pressure sensors to monitor pressure at the location over time.
A61B 5/03 - Mesure de la pression des fluides à l'intérieur du corps autre que la pression du sang, p.ex. de la pression cérébrale
A61M 27/00 - Appareillage pour drainage des blessures
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
56.
Wireless pressure measurement and monitoring for shunts
Disclosed is a system that includes pressure sensors to assist in monitoring pressure at a selected location. Pressure sensors may be applied to or incorporated into catheters and/or shunts positioned within a patient. A monitoring system may then receive signals from the pressure sensors to monitor pressure at the location over time.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61B 5/03 - Mesure de la pression des fluides à l'intérieur du corps autre que la pression du sang, p.ex. de la pression cérébrale
A61B 5/06 - Dispositifs autres que ceux à radiation, pour détecter ou localiser les corps étrangers
A61M 27/00 - Appareillage pour drainage des blessures
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
A61B 6/12 - Dispositifs pour détecter ou localiser des corps étrangers
A61B 6/00 - Appareils pour diagnostic par radiations, p.ex. combinés avec un équipement de thérapie par radiations
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
57.
WIRELESS PRESSURE MEASUREMENT AND MONITORING FOR SHUNTS
Disclosed is a system that includes pressure sensors to assist in monitoring pressure at a selected location. Pressure sensors may be applied to or incorporated into catheters and/or shunts positioned within a patient. A monitoring system may then receive signals from the pressure sensors to monitor pressure at the location over time.
A61B 5/06 - Dispositifs autres que ceux à radiation, pour détecter ou localiser les corps étrangers
A61B 6/00 - Appareils pour diagnostic par radiations, p.ex. combinés avec un équipement de thérapie par radiations
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
58.
Pin drive rotary surgical cutting tools and powered handpieces
A surgical cutting tool includes an elongated shaft and a cutting head. The shaft defines a coupling portion terminating at a proximal end of the shaft, a stem portion, and a distal portion. The stem portion defines a central axis. The coupling portion optionally defines a deflection surface positioned oblique with respect to the central axis and connected with a first driven surface and a second driven surface. Upon insertion into a drive chuck, the deflection surface promotes self-alignment of the cutting tool and the drive chuck.
A61B 17/16 - Ostéoclastes; Forets ou ciseaux pour os; Trépans
B23B 31/00 - Mandrins de serrage; Mandrins extensibles; Leurs adaptations à la commande à distance
B23B 31/107 - Caractérisés par les dispositifs de maintien ou de serrage ou par leurs moyens d'action directe le maintien étant assuré par éléments mobiles, p.ex. des billes
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux, p.ex. tourniquets
59.
Slanted drive axis rotary surgical cutting tools and powered handpieces
A surgical cutting tool adapted to be rotatably driven by a motor. The surgical cutting tool includes an elongated shaft defining intermediate and coupling portions. A shape of the intermediate portion defines a primary central axis of the shaft. The coupling portion includes a tang having a tapered cylindrical shape that defines a drive axis. The drive axis is slanted with respect to the primary central axis. When coupled to the motor of a powered handpiece, the tang transmits an input or drive force from the motor to the intermediate portion as a torque about the primary central axis. In some embodiments, the drive axis extends through a centroid of first and second spaced apart cross-sectional planes of the tang, the first and second planes each being perpendicular to the primary central axis.
A surgical cutting tool (22) includes an elongated shaft (30) and a cutting head (38). The shaft defines a coupling portion (36) terminating at a proximal end (62) of the shaft, a stem portion (34), and a distal portion (32). The stem portion defines a central axis A. The coupling portion optionally defines a deflection surface (72a, 72b) positioned oblique with respect to the central axis and connected with a first driven surface (76a) and a second driven surface (74a). Upon insertion into a drive chuck (40) with drive pins (44a, 44b), the deflection surface promotes self-alignment of the cutting tool and the drive chuck.
A surgical dissection tool for cutting bone and other tissue includes a cutting head having an outer surface having non-paired or an odd number of flutes formed therein. Each flute includes a rake surface intersecting with the outer surface to form a cutting edge, and a relief surface opposite the rake surface. The relief surface and the rake surface form a first angle. Each flute also includes a leading angled surface extending from the relief surface to a distal end portion of the cutting head, the leading angled surface and the rake surface forming a second angle substantially the same as the first angle.
An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force.
A surgical bur (254) including flutes (260) and lands (258). Each of the flutes includes a cutting edge (266), rake surfaces (264.265) and a clearance surface (267). The rake surfaces of one of the flutes are decoupled from each other. Each of the lands is disposed between a pair of the flutes.
A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw includes a distal portion comprising a plurality of cutting teeth, a shank portion adjacent the distal portion, and a proximal portion adjacent the shank portion. The proximal portion may include a longitudinally extending slot having a proximal opening. The slot may be shaped to receive a portion of the surgical saw through the proximal opening. The proximal portion may have a plurality of deflectable fingers respectively separated from a plurality of main body portions by respective gaps. The plurality of deflectable fingers may extend adjacent the longitudinally extending slot, and may deflect into the gaps to increase and decrease a width of a portion of the slot.
A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw having protrusions extending therefrom that interface with the cutting blade. The cutting blade includes a distal end comprising a plurality of cutting teeth and a shank portion adjacent the distal end. It also includes a proximal end adjacent the shank portion. The proximal end is shaped to attach to the surgical saw and includes an upper substantially planar surface and a lower substantially planar surface and a side edge extending between the upper and lower planar surfaces. The side edge at least in part defines an outer perimeter extending about the proximal end. The outer perimeter includes a plurality of indentations forming openings configured to receive and interface with the protrusions of the surgical saw in a manner that the protrusions cooperatively impart motion to drive the blade.
A surgical system for cutting tissue of a patient includes an outer housing and a reciprocating assembly structurally configured to carry a cutting tool in a reciprocating motion. An actuator knob is manually accessible to the user and may be fixed axially to the outer housing. The reciprocating assembly may reciprocate relative to the actuator knob. The actuator knob may be configured for rotational movement between a lock position and an unlock position. The system may also include a locking mechanism configured to retain a cutting tool within the reciprocating assembly. The locking mechanism may be responsive to movement of the actuator knob to maintain the tool within the output shaft when the actuator knob is in the lock position and permit removal of the tool when the actuator knob is in the unlock position. Surgical cutting tools, such as blades include thickness enhancing features.
A surgical bur includes a body and a drill point. The body includes flutes and lands. Each of the flutes includes a cutting edge, a rake face, and a clearance surface. Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces. Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.
A surgical bur (120) includes a body (176) and a drill point (194). The body includes flutes (180) and lands (178). Each of the flutes includes a cutting edge (186), a rake face (184), and a clearance surface (188). Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces (198). Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion (200) of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.
A surgical bur (120) includes a body (176) and a drill point (194). The body includes flutes (180) and lands (178). Each of the flutes includes a cutting edge (186), a rake face (184), and a clearance surface (188). Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces (198). Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion (200) of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.
A blade coupling mechanism for a hand-held surgical cutting instrument includes a first coupling member including a first blade-contacting surface and a first outer perimeter sidewall adjacent the first blade contacting surface. It also includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. The second coupling member includes a second outer perimeter sidewall adjacent the second blade contacting surface. The second blade-contacting surface and the second outer perimeter sidewall meet to define an outer edge. The second coupling member including a bore through the second blade contacting surface. The bore and the second blade contacting surface meeting to define an inner edge. Blade-engaging protrusions project from at least one of the first and second blade-contacting surfaces. The protrusions are spaced closer to the outer edge than the inner edge.
A hand-held surgical cutting instrument for cutting bone material with a surgical micro-saw blade has a plurality of openings formed therein. The surgical cutting instrument includes a hand-graspable body for manipulating the cutting instrument and a blade coupling mechanism attached to the body and being configured to attach to the surgical micro-saw blade. The blade coupling mechanism includes a first coupling member including a first blade-contacting surface. The first blade-contacting surface has at least one first protrusion extending therefrom and is configured to engage a first opening in the surgical saw blade. The blade coupling mechanism includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. The second blade-contacting surface having at least one second protrusion extending therefrom and configured to engage a second opening in the surgical saw blade.
A surgical instrument is provided for cutting bone and other tissue. The surgical instrument is powered by a pressurized fluid and includes a rotatable shaft connected to a dissection tool. The instrument includes a housing member comprising a one-piece base. A rotor housing chamber is defined by the base, and the rotatable shaft is located in the rotor housing chamber. A first hearing housing is defined by the base, located adjacent the rotor housing chamber, and houses a first bearing that engages the rotatable shaft. A second bearing housing is defined by the base, located on an opposite side of the rotor housing chamber from the first bearing housing, and houses a second bearing that engages the rotatable shaft. A passage is defined by the base and operable to direct a pressurized fluid through the base to the rotor housing chamber in order to rotate the rotatable shaft.
A surgical dissection tool for cutting bone and other tissue includes a cutting head having an outer surface having non-paired or an odd number of flutes formed therein. Each flute includes a rake surface intersecting with the outer surface to form a cutting edge, and a relief surface opposite the rake surface. The relief surface and the rake surface form a first angle. Each flute also includes a leading angled surface extending from the relief surface to a distal end portion of the cutting head, the leading angled surface and the rake surface forming a second angle substantially the same as the first angle.
A surgical dissection tool for cutting bone and other tissue includes a cutting head having an outer surface having non-paired or an odd number of flutes formed therein. Each flute includes a rake surface intersecting with the outer surface to form a cutting edge, and a relief surface opposite the rake surface. The relief surface and the rake surface form a first angle. Each flute also includes a leading angled surface extending from the relief surface to a distal end portion of the cutting head, the leading angled surface and the rake surface forming a second angle substantially the same as the first angle.
A surgical system for cutting tissue of a patient includes an outer housing and a reciprocating assembly disposed in the outer housing. The reciprocating assembly may be structurally configured to carry a cutting tool in a reciprocating motion, and may have a tool receiving opening formed therein. An actuator knob is manually accessible to the user and may be fixed axially to the outer housing. The reciprocating assembly may reciprocate relative to the actuator knob. The actuator knob may be configured for rotational movement between a lock position and an unlock position. The system may also include a locking mechanism configured to retain a cutting tool within the reciprocating assembly. The locking mechanism may be responsive to movement of the actuator knob to maintain the tool within the output shaft when the actuator knob is in the lock position and permit removal of the tool when the actuator knob is in the unlock position. Surgical cutting tools, such as blades include thickness enhancing features.
A surgical cutting blade (104) for cutting bone material when the blade is coupled to a hand-held surgical saw (102) includes a distal portion (182) comprising a plurality of cutting teeth (184), a shank portion (183) adjacent the distal portion, and a proximal portion (180) adjacent the shank portion. The proximal portion may include a longitudinally extending slot (188) having a proximal opening (192). The slot may be shaped to receive a portion of the surgical saw through the proximal opening. The proximal portion may have a plurality of deflectable fingers (214) respectively separated from a plurality of main body portions (212) by respective gaps (216). The plurality of deflectable fingers may extend adjacent the longitudinally extending slot, and may deflect into the gaps to increase and decrease a width of a portion of the slot.
A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw includes a distal portion comprising a plurality of cutting teeth, a shank portion adjacent the distal portion, and a proximal portion adjacent the shank portion. The proximal portion may include a longitudinally extending slot having a proximal opening. The slot may be shaped to receive a portion of the surgical saw through the proximal opening. The proximal portion may have a plurality of deflectable fingers respectively separated from a plurality of main body portions by respective gaps. The plurality of deflectable fingers may extend adjacent the longitudinally extending slot, and may deflect into the gaps to increase and decrease a width of a portion of the slot.
A surgical system for cutting tissue of a patient includes an outer housing and a reciprocating assembly structurally configured to carry a cutting tool in a reciprocating motion. An actuator knob is manually accessible to the user and may be fixed axially to the outer housing. The reciprocating assembly may reciprocate relative to the actuator knob. The actuator knob may be configured for rotational movement between a lock position and an unlock position. The system may also include a locking mechanism configured to retain a cutting tool within the reciprocating assembly. The locking mechanism may be responsive to movement of the actuator knob to maintain the tool within the output shaft when the actuator knob is in the lock position and permit removal of the tool when the actuator knob is in the unlock position. Surgical cutting tools, such as blades include thickness enhancing features.
An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force.
A61M 1/00 - Dispositifs de succion ou de pompage à usage médical; Dispositifs pour retirer, traiter ou transporter les liquides du corps; Systèmes de drainage
80.
Irrigation system and clip for a surgical instrument
An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force.
A shunt for at least partial implantation into a patient that includes an elongated conduit having at least one lumen therethrough and a second lumen concentric about the first lumen along at least part of the first lumen, that includes a proximal end for receipt of bodily fluids for flow through the shunt and a distal end for discharge of the bodily fluids from the shunt, and a long term source of at least one occlusion resistant agent, wherein said at least a portion of the at least one occlusion resistant agent can permeate through at least a portion of the elongated conduit. The invention also includes kits and systems.
A61M 5/00 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaire; Accessoires à cet effet, p.ex. dispositifs de remplissage ou de nettoyage, appuis-bras
A61M 25/14 - Agencement ou forme des conduits laissant passer les fluides, p.ex. de plusieurs conduits pour les fluides
A61M 27/00 - Appareillage pour drainage des blessures
A hand-held surgical cutting instrument for cutting bone material with a surgical micro-saw blade has a plurality of openings formed therein. The surgical cutting instrument includes a hand-graspable body for manipulating the cutting instrument and a blade coupling mechanism attached to the body and being configured to attach to the surgical micro-saw blade. The blade coupling mechanism includes a first coupling member including a first blade-contacting surface. The first blade-contacting surface has at least one first protrusion extending therefrom and is configured to engage a first opening in the surgical saw blade. The blade coupling mechanism includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. The second blade-contacting surface having at least one second protrusion extending therefrom and configured to engage a second opening in the surgical saw blade.
A surgical cutting blade (104) for cutting bone material when the blade is coupled to a hand-held surgical saw (102) having protrusions (172) extending therefrom that interface with the cutting blade. The cutting blade includes a distal end (182) comprising a plurality of cutting teeth (184) and a shank portion (214) adjacent the distal end. It also includes a proximal end (180) adjacent the shank portion. The proximal end is shaped to attach to the surgical saw and includes an upper substantially planar surface and a lower substantially planar surface and a side edge extending between the upper and lower planar surfaces. The side edge at least in part defines an outer perimeter (200) extending about the proximal end. The outer perimeter includes a plurality of indentations forming (204) openings configured to receive and interface with the protrusions of the surgical saw in a manner that the protrusions cooperatively impart motion to drive the blade.
A blade coupling mechanism (116) for a hand-held surgical cutting instrument (102) includes a first coupling member (118) including a first blade-contacting surface (130) and a first outer perimeter sidewall (132) adjacent the first blade contacting surface. It also includes a second coupling member (120) including a second blade-contacting surface (160) facing the first blade-contacting surface of the first coupling member. The second coupling member includes- a second outer perimeter sidewall (164) adjacent the second blade contacting surface. The second blade-contacting surface and the second outer perimeter sidewall meet to define an outer edge (168). The second coupling member including a bore (156) through the second blade contacting surface. The bore and the second blade contacting surface meeting to define an inner edge (166). Blade- engaging protrusions project (172) from at least one of the first and second blade-contacting surfaces. The protrusions are spaced closer to the outer edge than the inner edge.
A hand-held surgical cutting instrument (102) for cutting bone material with a surgical micro-saw blade (104) which has a plurality of opening (198) formed therein. The surgical cutting instrument includes a hand-graspable body (106) for manipulating the cutting instrument and a blade coupling mechanism (116) attached to the body and being configured to attach to the surgical micro-saw blade. The blade coupling mechanism includes a first coupling member (120) including a first blade-contacting surface (130). The first blade-contacting surface has at least one first protrusion (134) extending there from and is configured to engage a first opening in the surgical saw blade. The blade coupling mechanism including a second coupling member (138) including a second blade-contacting surface (144) facing the first blade-contacting surface of the first coupling member. The second blade-contacting surface having at least one second protrusion (154) extending there from and configured to engage a second opening in the surgical saw blade.
A blade coupling mechanism for a hand-held surgical cutting instrument includes a first coupling member including a first blade-contacting surface and a first outer perimeter sidewall adjacent the first blade contacting surface. It also includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. The second coupling member includes a second outer perimeter sidewall adjacent the second blade contacting surface. The second blade-contacting surface and the second outer perimeter sidewall meet to define an outer edge. The second coupling member including a bore through the second blade contacting surface. The bore and the second blade contacting surface meeting to define an inner edge. Blade-engaging protrusions project from at least one of the first and second blade-contacting surfaces. The protrusions are spaced closer to the outer edge than the inner edge.
A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw having protrusions extending therefrom that interface with the cutting blade. The cutting blade includes a distal end comprising a plurality of cutting teeth and a shank portion adjacent the distal end. It also includes a proximal end adjacent the shank portion. The proximal end is shaped to attach to the surgical saw and includes an upper substantially planar surface and a lower substantially planar surface and a side edge extending between the upper and lower planar surfaces. The side edge at least in part defines an outer perimeter extending about the proximal end. The outer perimeter includes a plurality of indentations forming openings configured to receive and interface with the protrusions of the surgical saw in a manner that the protrusions cooperatively impart motion to drive the blade.
A surgical instrument is provided for cutting bone and other tissue. The surgical instrument is powered by a pressurized fluid and includes a rotatable shaft connected to a dissection tool. The instrument includes a housing member comprising a one-piece base. A rotor housing chamber is defined by the base, and the rotatable shaft is located in the rotor housing chamber. A first bearing housing is defined by the base, located adjacent the rotor housing chamber, and houses a first bearing that engages the rotatable shaft. A second bearing housing is defined by the base, located on an opposite side of the rotor housing chamber from the first bearing housing, and houses a second bearing that engages the rotatable shaft. A passage is defined by the base and operable to direct a pressurized fluid through the base to the rotor housing chamber in order to rotate the rotatable shaft.
A surgical instrument is provided for cutting bone and other tissue. The surgical instrument is powered by a pressurized fluid and includes a rotatable shaft connected to a dissection tool. The instrument includes a housing member comprising a one-piece base. A rotor housing chamber is defined by the base, and the rotatable shaft is located in the rotor housing chamber. A first bearing housing is defined by the base, located adjacent the rotor housing chamber, and houses a first bearing that engages the rotatable shaft. A second bearing housing is defined by the base, located on an opposite side of the rotor housing chamber from the first bearing housing, and houses a second bearing that engages the rotatable shaft. A passage is defined by the base and operable to direct a pressurized fluid through the base to the rotor housing chamber in order to rotate the rotatable shaft.
F01C 20/00 - Commande, surveillance ou dispositions de sécurité pour les "machines" ou machines motrices
F01C 21/00 - "MACHINES" OU MACHINES MOTRICES À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires non couverts dans les groupes
F04C 14/00 - Commande, surveillance ou dispositions de sécurité pour "machines" ou pompes ou installations de pompage
F04C 28/00 - Commande, surveillance ou dispositions de sécurité pour les pompes ou les installations de pompage spécialement adaptées pour les fluides compressibles
F04C 15/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
A system for use in a surgical procedure comprising a pneumatic instrument having an inlet and an outlet, a tank fluidly coupled to the inlet of the pneumatic instrument, wherein the tank provides pressurized helium gas to power the pneumatic instrument, and a compressor fluidly coupled to the outlet of the pneumatic instrument. The compressor receives the helium gas exhausted from the pneumatic instrument and compresses the exhausted helium gas to supply the tank with pressurized helium gas.
The invention includes a shunt for at least partial implantation into a patient that includes an elongated conduit having at least one lumen therethrough, that includes a proximal end for receipt of bodily fluids for flow through the shunt and a distal end for discharge of the bodily fluids from the shunt, and a long term source of at least one occlusion resistant agent, wherein said at least a portion of the at least one occlusion resistant agent can permeate through at least a portion of the elongated conduit. The invention also includes kits and systems.
A bone morselization apparatus and method according to which a cutter bit is mounted to a casing containing a motor; and the casing is manually grasped and positioned over a plurality of bone segments. When the motor is activated, the cutter bit reciprocates and the bone segments are impacted by the cutter bit to morselize the segments.
