Produits et services

Medical apparatus and instruments; Medical guidewires; Catheters; Medical stents; Diagnostic apparatus for medical purposes; Intracardiac catheter; Implantable subcutaneous drug delivery devices; Medical apparatus for introducing pharmaceutical preparations into the human body; Prosthetic tissues for vascular use; Suture materials; Syringes for injections; Hypodermic syringes; Injectors for medical purposes; Syringes for medical purposes; Drug-coated stents for thrombosis; Surgical implants comprised of artificial materials.

Produits et services

Endotracheal tubes; injection instruments without needles; inflation devices for balloon catheters; syringes for injections; injectors for medical purposes; medical dosage dispensers for medical use; medical and surgical catheters; disposable syringes; syringes for medical purposes; injection device for pharmaceuticals; medical apparatus and instruments; insufflators; pumps for medical purposes; x-ray apparatus for medical purposes; diagnostic apparatus for medical purposes; cases fitted for medical instruments; Hypodermic injection apparatus; Apparatus for use in angiography.

Abrégé

This application relates to the field of injection technology, especially a type of portable carbon dioxide gas injector. The technical solution of the invention includes a storage tube, one end of which is connected with a passage tube, and a passage valve is provided at the end of the passage tube away from the storage tube. A piston adapted to the injection device body is arranged inside the storage tube. A driving assembly for driving the piston is arranged on one side of the piston away from the passage tube, and a regulating assembly for adjusting the gas storage volume is arranged on the other side of the driving assembly away from the passage tube. The invention achieves quantitative control of the injection amount of carbon dioxide, which can alleviate the discomfort of patients.

Classes IPC  ?

• A61M 5/00 - 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

Abrégé

A degradable bile and pancreatic duct stent (1), which is configured to dilate the narrowed lumen of a lesion, and comprises: a guide cavity body (10), which is configured to have a guide cavity (100) through which a guide wire passes; and a stent main body (12), which is spirally distributed outside the guide cavity body (10) in the lengthwise direction of the guide cavity body (10), wherein the stent main body (12) is configured to be capable of forming a spiral channel relative to the lumen, and the guide cavity (100) of the guide cavity body (10) is in fluid communication with the spiral channel. With regard to the bile and pancreatic duct stent (1), the guide cavity body (10), which has the guide cavity (100), and the stent main body (12) spirally attached to the guide cavity body (10) are used, so as to provide a new degradable bile and pancreatic duct stent which has good bending performance and supporting performance, effectively drains bile, and prevents problems such as restenosis and occlusion in the bile and pancreatic duct. The guide cavity (100) is in communication with the spiral fluid channel, thus improving the drainage performance of the degradable bile and pancreatic duct stent, and also reducing the possibility of bile duct re-occlusion caused during the degradation process of the degradable bile and pancreatic duct stent.

Classes IPC  ?

• A61F 2/04 - Éléments ou organes creux ou tubulaires, p. ex. vessies, trachées, bronches ou voies biliaires

Abrégé

A portable CO2 gas filler, comprising a filling tube (01). One end of the filling tube (01) is communicated with an inlet and outlet tube (02), and the end of the inlet and outlet tube (02) distant from the filling tube (01) is communicated with a filling valve (03); the end of the filling valve (03) distant from the inlet and outlet tube (02) is communicated with a gas injecting tube (04); the end of the gas injecting tube (04) distant from the filling valve (03) is communicated with a communicating member (051), and one side of the communicating member (051) is communicated with a gas cylinder (052); a piston (011) matching the filling tube (01) is arranged in the filling tube (01), and a spring (06) for driving the piston (011) to move and an adjusting assembly (07) for adjusting the gas storage volume are arranged on the side of the piston (011) distant from the inlet and outlet tube (02); when the injection amount needs to be adjusted, the adjusting assembly (07) is used to adjust the volume available for gas storage in the filling tube (01), thereby achieving the effects of performing quantitative control on the injection amount of carbon dioxide and then relieving discomfort of patients.

Classes IPC  ?

• A61M 5/178 - Seringues
• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations

Abrégé

Disclosed herein are three-dimensional porous tubular scaffolds for cardiovascular, periphery vascular, nerve conduit, intestines, bile conduct, urinary tract, and bone repair/reconstruction applications, and methods and apparatus for making the same.

Classes IPC  ?

• B29D 23/00 - Fabrication d'objets tubulaires
• B33Y 30/00 - Appareils pour la fabrication additiveLeurs parties constitutives ou accessoires à cet effet
• B05B 13/04 - Moyens pour supporter l'ouvrageDisposition ou assemblage des têtes de pulvérisationAdaptation ou disposition des moyens pour entraîner des pièces les têtes de pulvérisation étant déplacées au cours de l'opération
• B05C 5/02 - Appareillages dans lesquels un liquide ou autre matériau fluide est projeté, versé ou répandu sur la surface de l'ouvrage à partir d'un dispositif de sortie en contact, ou presque en contact, avec l'ouvrage
• B29C 48/395 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans la filière ou la matrice utilisant des vis entourées par un fourreau coopérant, p. ex. des extrudeuses à vis simple
• B29C 48/365 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans la filière ou la matrice utilisant des pompes, p. ex. des pompes à piston
• B29C 48/485 - Extrusion hydrostatique

Abrégé

A developing composite material and a preparation method therefor. The developing composite material is prepared from the following raw materials in percentage by weight: 20%-80% of a non-developing high-molecular polymer, 80%-20% of an impermeability improver, and 0-10% of a surface active agent. When the composite material is prepared, a melting stirrer or an extruder is used for material mixing or even mixing in a solvent, the solvent is removed, and then the composite material is granulated or extruded into filaments or used for preparing a medical instrument. Further, also disclosed are a use of the composite material, and an implantable and interventional medical instrument using the composite material and a preparation method therefor. The composite material is filamentous and thus has a good developing effect, and the developing composite material which has a developer content exceeding 50% and is suitable for an extrusion process can be prepared by utilizing the method for the composite material. The medical instrument prepared from the composite material has a good developing effect and is beneficial to intraoperative operation and postoperative follow-up.

Classes IPC  ?

• A61L 31/18 - Matériaux au moins partiellement opaques aux rayons X ou au laser

Abrégé

A medical polymer device comprising a biodegradable polymer is provided, wherein the biodegradable polymer has a crystallinity of about 10% to about 80%, and preferably from about 20% to about 60%, wherein the medical polymer device comprises a small molecule organic compound which diffuses into the biodegradable polymer, the small molecule organic compound has a molecular weight of from about 100 to about 1000 Daltons, preferably from about 150 to about 500 Daltons, and more preferably from about 150 to about 250 Daltons, and the small molecule organic compound is non-evaporating or low-evaporating. The present invention also provides a method for preparing a medical polymer device according to the present invention as well as a method for modifying a medical polymer device made from a biodegradable polymer.

Classes IPC  ?

• A61L 17/12 - Homopolymères ou copolymères de l'acide glycolique ou lactique
• A61L 17/00 - Matériaux pour suture chirurgicale ou pour ligature des vaisseaux sanguins
• A61L 31/06 - Matériaux macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
• A61L 31/16 - Matériaux biologiquement actifs, p. ex. substances thérapeutiques
• C08L 67/04 - Polyesters dérivés des acides hydroxycarboxyliques, p. ex. lactones
• A61L 31/14 - Matériaux caractérisés par leur fonction ou leurs propriétés physiques

Abrégé

A medical polymer device comprising a biodegradable polymer is provided, wherein the biodegradable polymer has a crystallinity of about 10% to about 80%, and preferably from about 20% to about 60%, wherein the medical polymer device comprises a small molecule organic compound which diffuses into the biodegradable polymer, the small molecule organic compound has a molecular weight of from about 100 to about 1000 Daltons, preferably from about 150 to about 500 Daltons, and more preferably from about 150 to about 250 Daltons, and the small molecule organic compound is non-evaporating or low-evaporating. The present invention also provides a method for preparing a medical polymer device according to the present invention as well as a method for modifying a medical polymer device made from a biodegradable polymer.

Classes IPC  ?

• A61L 17/12 - Homopolymères ou copolymères de l'acide glycolique ou lactique
• A61L 17/00 - Matériaux pour suture chirurgicale ou pour ligature des vaisseaux sanguins
• A61L 31/06 - Matériaux macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
• A61L 31/14 - Matériaux caractérisés par leur fonction ou leurs propriétés physiques
• A61L 31/16 - Matériaux biologiquement actifs, p. ex. substances thérapeutiques
• C08L 67/04 - Polyesters dérivés des acides hydroxycarboxyliques, p. ex. lactones

Produits et services

Surgical implants comprising artificial material

Abrégé

A polymer-based embolization device comprises a helix constructed by a linear structure. The linear structure is either a fibrous structure or composed of an A structure (1) and a B structure (2), wherein the A structure (1) is a protrusion on the linear structure and the B structure (2) is a pillar-shaped structure positioned between two A structures (1) for connecting the two A structures (1). The embolization device adopts a linear structural design and is integrally manufactured using a polymer material via a four-axis rapid forming system or via a compression method, thereby addressing issues of generation of image artifacts during CT and magnetic resonance imaging. The combination of design, material, and technique of the invention provides the device with improved flexibility and embolus formation, and can satisfy different clinical requirements. When a biodegradable macromolecular material is selected for manufacturing, blood vessel obstruction caused by implant degrading can be avoided, allowing the blood vessel to return to a normal structural state.

Classes IPC  ?

• A61L 24/04 - Adhésifs ou ciments chirurgicauxAdhésifs pour dispositifs de colostomie contenant des matériaux macromoléculaires
• A61L 24/00 - Adhésifs ou ciments chirurgicauxAdhésifs pour dispositifs de colostomie
• A61L 24/08 - Polysaccharides
• A61B 17/12 - Instruments, dispositifs ou procédés chirurgicaux pour ligaturer ou comprimer par un autre moyen les parties tubulaires du corps, p. ex. les vaisseaux sanguins ou le cordon ombilical
• B29C 48/00 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet
• B29C 53/80 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires
• B29C 48/92 - Mesure, commande ou régulation
• B29C 48/05 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet caractérisées par la forme à l’extrusion de la matière extrudée filamentaire, p. ex. fils

Abrégé

Disclosed herein is a close-cell structured stent which is composed of curved struts that intersect at a crossing angle of 90 to 170 degrees in the longitudinal direction. Methods for making the stent, use of the stent as a vascular stent, an esophagus stent, an intestine stent, a bile conduct stent, or a urinary tract stent, and use of the stent in the manufacture of stent graft for the treatment of abdominal aortic aneurysms are also provided. The stent has both excellent longitudinal flexibility and radial strength.

Classes IPC  ?

• A61F 2/915 - 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 fabriquée à partir de feuilles perforées ou de tubes perforés, p. ex. perforés par découpe au laser ou gravés avec des bandes présentant une structure en méandre, des bandes adjacentes étant reliées l’une à l’autre
• 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 2/07 - Endoprothèses déployables couvertes
• A61F 2/91 - 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 fabriquée à partir de feuilles perforées ou de tubes perforés, p. ex. perforés par découpe au laser ou gravés
• A61F 2/04 - Éléments ou organes creux ou tubulaires, p. ex. vessies, trachées, bronches ou voies biliaires

Abrégé

The present invention provides a hybrid polymer stent with two or more polymer component structures which are integrated in the polymer stent main structure. The methods for fabrication of the hybrid stents is also provided. It is a further object to the present invention to provide a 4 axis RP system in which the 4th axis is a computer controlled rotation shaft added to an xyz position system. In preferred embodiments, the 4 axis RP system also has 2 or more material delivery systems that sequentially deposit two or more polymer hot melt filaments or viscous solution filaments.

Classes IPC  ?

• B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
• B33Y 10/00 - Procédés de fabrication additive
• B33Y 30/00 - Appareils pour la fabrication additiveLeurs parties constitutives ou accessoires à cet effet
• B33Y 80/00 - Produits obtenus par fabrication additive
• A61F 2/86 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles
• 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
• A61L 31/04 - Matériaux macromoléculaires
• B29C 47/00 - Moulage par extrusion, c. à d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désirée; Appareils à cet effet (moulage par extrusion-soufflage B29C 49/04)