Balloon catheter and method of manufacturing balloon catheter

Details Balloon catheter and method of manufacturing balloon catheter Balloon catheter and method of manufacturing balloon catheter

A - Human Necessities

61

M

A61M 25/10 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2469254

A biaxial medical balloon catheter, wherein only the expanded lumen of a shaft is removed from between a connection part of a shaft to a balloon sleeve on a side close to a balloon and the end of the shaft apart from the balloon, and the main wall of the expanded lumen on a side apart from the connection part is formed of the balloon sleeve on a side close to the connection part, whereby the biaxial balloon catheter having a soft structure at the connection part between the sleeve on a side close to the balloon and the shaft on a side apart from the balloon, preventing a rigidity from being abruptly changed, reducing a step, and allowing a blood vessel portion with high constriction and flexibility to be smoothly advanced thereinto can be easily manufactured with less production steps and at a high production yield.

Cathéter médical biaxial à ballonnet, dans lequel seule la lumière dilatée d'une tige est retirée entre une partie de connexion d'une tige à une gaine de ballonnet sur un côté proche d'un ballonnet, l'extrémité de la tige étant éloignée du ballonnet; la paroi principale de la lumière dilatée sur un côté éloigné de la partie de connexion est formée de la gaine du ballonnet, sur un côté proche de la partie de connexion; le cathéter à ballonnet biaxial possède une structure souple dans la partie de connexion entre la gaine sur le côté proche du ballonnet et la tige, sur le côté éloigné du ballonnet, ce qui permet d'éviter tout changement abrupt de la rigidité; cette construction permet de glisser le cathéter dans une partie d'un vaisseau sanguin présentant une grande constriction et une grande flexibilité. On économise ainsi un stade de production et obtient un rendement plus élevé.

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