Stent delivery catheter positioning device

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/06 (2006.01)

Patent

CA 2437974

The present invention generally relates to a medical device and procedure for accurately positioning a catheter across a desired region within a patient's vasculature. In particular, the present invention provides a hub assembly unit (10) that allows a physician to precisely position a stent within a vessel utilizing a stent delivery catheter. The hub assembly unit includes a fine adjustment mechanism (32). The fine adjustment mechanism extends or contracts the length of the hub assembly unit in controlled incremental units. These controlled fine displacements are then translated directly to the stent delivery or balloon dilation catheter.

La présente invention concerne, en général, un dispositif médical et une procédure permettant de positionner précisément un cathéter à travers une région souhaitée dans le système vasculaire d'un patient. La présente invention concerne notamment un ensemble central qui permet à un médecin de positionner précisément une prothèse endovasculaire dans un vaisseau au moyen d'un cathéter de pose de prothèse endovasculaire. L'ensemble central comprend un mécanisme de réglage de précision. Le mécanisme de réglage de précision agrandit ou réduit la longueur de l'ensemble central en unités incrémentielles contrôlées. Ces déplacements de précision contrôlés sont ensuite transmis directement au cathéter de pose de prothèse endovasculaire ou de gonflage de ballonnet.

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