Stent delivery system with securement and deployment accuracy

Details Stent delivery system with securement and deployment accuracy Stent delivery system with securement and deployment accuracy

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2521759

A method and apparatus for reducing the longitudinal aspect of the catheter to stent force comprises at least one grip member for use with a stent delivery system. The grip engages a stent in the unexpanded state prior to delivery of the stent by retracting a stent retaining sheath. The grip comprises a body region having an outer diameter, a first end and a second end. The outer diameter of the first end is greater than the outer diameter of the second end. The grip is at least partially constructed from a polymeric material.

L'invention porte sur un procédé et sur un appareil réduisant le déplacement longitudinal du stent par rapport au cathéter sous l'effet de la force du stent, et comprenant au moins un élément de saisie utilisable dans un système de pose de stents, qui saisit le stent à l'état non déployé, avant sa pose par retrait de la gaine le comprimant. Ledit élément de saisie, qui comporte un corps présentant un diamètre extérieur, une première extrémité et une deuxième extrémité, et dont le diamètre extérieur de la première extrémité est supérieur à celui de la deuxième extrémité, est au moins partiellement fait d'un matériau polymère.

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