A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/06 (2006.01)
Patent
CA 2398719
The invention is directed to a self-expanding stent for implantation into a body lumen, such as an artery. The stent consists of a plurality of radially expandable cylindrical elements generally aligned on a common longitudinal stent axis and interconnected by a plurality of interconnecting members placed on the stent in a colinear arrangement such as to create at least one continuous spine which extends along the length of the stent. The invention is also directed to a stent delivery system for implantation of a stent in a vessel which includes an outer tubular member having a restraining sheath and an inner tubular member having a distal end which has a compressed stent mounted thereto. The proximal end of the inner tubular member is connected to a housing assembly which prevents the inner tubular member from moving when the outer tubular member is retracted to deploy the stent. The proximal end of the outer tubular member is attached to a pull-back handle which is slidably mounted on the base of the housing assembly. When the pull-back handle is retracted, the restraining sheath is retracted to deploy the sheath, while the inner tubular member remains stationary.
L'invention concerne un extenseur autoextensible pour lumière corporelle du type artère, qui comprend plusieurs éléments cylindriques radialement extensibles alignés sur un axe longitudinal commun de l'extenseur et reliés par plusieurs connecteurs placés sur l'extenseur en configuration colinéaire, de manière à créer au moins une éminence continue sur la longueur de l'extenseur. L'invention concerne en outre un système d'implantation dans un vaisseau, qui comprend un élément tubulaire externe à manchon de retenue et un élément tubulaire interne à extrémité distale sur laquelle est monté l'extenseur comprimé. L'extrémité proximale de l'élément tubulaire interne est reliée à un ensemble boîtier qui empêche ledit élément de se déplacer lorsque l'élément tubulaire externe est rétracté pour le déploiement de l'extenseur. L'extrémité proximale de l'élément tubulaire externe est reliée à une poignée de traction arrière montée coulissante sur la base de l'ensemble boîtier. Lorsque la poignée est rétractée, le manchon de retenue est rétracté pour le déploiement du manchon, tandis que l'élément tubulaire interne reste stationnaire.
Cox Daniel L.
Fitz Matthew J.
Harrison William J.
Schultz Michael D.
Ventura Joseph A.
Advanced Cardiovascular Systems Inc.
Smart & Biggar
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