Steerable catheter system

Details Steerable catheter system Steerable catheter system

A - Human Necessities

61

M

A61M 25/01 (2006.01)

Patent

CA 2671713

This application relates to devices for navigating passageways in a body, and in particular, to a steerable catheter (630) that can be used to navigate the tortuous anatomy of a body's vasculature. In one embodiment of the invention the deflectable catheter comprises an inner catheter body (611) having a first strut spine member (615) and a cantilevered second strut tang member (614). An outer catheter body (607) is cooperatively associated with the second strut tang member and an actuator (606) is cooperatively associated with the first strut spine member. The actuator is slideably engaged within the outer catheter body.

L'invention concerne des dispositifs pour naviguer à travers les passages situés dans un corps, et en particulier un cathéter orientable (630) pouvant être utilisé pour naviguer à travers l'anatomie tortueuse d'une vascularisation corporelle. Dans un mode de réalisation de l'invention, le cathéter déformable comprend un corps de cathéter intérieur (611) ayant un premier élément d'épine dorsale de support (615), et un second élément de queue de support en porte-à-faux (614). Un corps de cathéter extérieur (607) est associé en coopération avec le second élément de queue de support, et un actionneur (606) est associé en coopération avec le premier élément d'épine dorsale de support. L'actionneur est mis en prise de manière coulissante dans le corps de cathéter extérieur.

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