Intraluminal delivery device

Details Intraluminal delivery device Intraluminal delivery device

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61F 2/06 (2006.01) A61F 2/84 (2006.01)

Patent

CA 2398101

The apparatus (10) for deployment of a therapeutic device (14) such as a micro- coil detachably mounts the therapeutic device (14) to a distal portion of a pusher member (12). In one embodiment, the therapeutic device (14) is detachably mounted to the distal portion of the pusher member (12) by a tubular collar (24) that can be heated by a heater such as an electrical resistance coil (26) to expand the collar (24) and release and deploy the therapeutic device (14). The apparatus (40) for deployment of a therapeutic device (44) such as a micro-coil may also provide for a pusher member (42) and a connector fiber (64) for securing the therapeutic device (44) to the pusher member (42). The connector fiber (64) passes through a heater (66) within the distal portion of the pusher member (42), for heating and breaking the connector fiber (64) to release the therapeutic device (44) when a desired placement of the therapeutic device (44) within the vasculature is achieved.

L'invention concerne un appareil servant à mettre en place un dispositif thérapeutique (14), tel qu'une micro bobine, qui monte de manière amovible le dispositif thérapeutique (14) sur une section distale d'un élément de poussée (12). Selon un mode de réalisation, le dispositif thérapeutique (14) est monté de manière amovible sur la section distale de l'élément de poussée (12) par un manchon tubulaire (24) pouvant être chauffé par un élément chauffant, tel qu'une bobine de résistance électrique (26) afin d'élargir le manchon (24) et de libérer et de mettre en place le dispositif thérapeutique (14). L'appareil (40) prévu pour mettre le dispositif en place peut également comprendre un élément de poussée (42) et une fibre de connexion (64) pour fixer le dispositif thérapeutique (44) sur l'élément de poussée (42). La fibre de connexion (64) passe à travers l'élément chauffant (66) à l'intérieur de la section distale de l'élément de poussée (42), pour chauffer et interrompre la fibre de connexion (64) afin de libérer le dispositif thérapeutique (42) une fois qu'il a été placé à l'endroit voulu dans le système vasculaire.

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