Everting catheter system and method of utilizing the same

Details Everting catheter system and method of utilizing the same Everting catheter system and method of utilizing the same

A - Human Necessities

61

M

A61M 31/00 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2210658

This invention is an everting catheter system (11) comprising an elongated outer tubular body (21) having an outer body lumen (23) and an opening leading from the outer body lumen, an elongated inner tubular body (25) movable longitudinally in the outer body lumen and having an inner body lumen (27), and an everting element (29) coupled to the outer body (21) and the inner body (25) so that with movement of the inner body longitudinally in the outer body lumen the everting element can be everted and inverted. The system also includes an elongated instruments, such as a transfer catheter (19), movable longitudinally in the inner body lumen relative to the inner body. A coupling (131) releasably couples the instrument to the outer body in a substantially fixed longitudinal position with respect to the outer body.

La présente invention est un système de cathéter d'éversion (11) comprenant un corps tubulaire extérieur de forme allongée (21) doté d'une lumière de corps extérieur (23) et d'un orifice partant de la lumière du corps extérieur, un corps tubulaire intérieur (25) de forme allongée et mobile longitudinalement dans la lumière du corps extérieur et doté d'une lumière (27), et un élément d'éversion (29) accouplé au corps extérieur (21) et au corps intérieur (25), de sorte que le déplacement longitudinal du corps intérieur dans la lumière du corps extérieur permet de retourner et d'inverser ledit élément d'éversion. Ce système comporte également un instrument allongé, tel qu'un cathéter de transfert (19), mobile longitudinalement dans la lumière du corps intérieur par rapport à celui-ci. Un raccord (131) accouple de manière détachable l'instrument au corps extérieur dans une position longitudinale pratiquement fixe par rapport au corps extérieur.

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