Delivery device

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/84 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2691635

A delivery device for deploying an expandable prosthesis and method of use thereof are described. The delivery device comprises an outer catheter that is capable of retracting in a proximal direction and resheathmg over the prosthesis in a distal direction. The device comprises a drive pulley that can engage a particular gear set to retract the outer catheter and expose the prosthesis. The drive pulley can also engage another gear set to resheath the outer catheter and recapture the prosthesis between the inner and the outer catheter. A directional switch enables the device to operate between the two modes.

L'invention concerne un dispositif d'administration pour déployer une prothèse dilatable et un procédé d'utilisation de celui-ci. Le dispositif d'administration comporte un cathéter externe qui est capable de se rétracter dans une direction proximale et de se rengainer sur la prothèse dans une direction distale. Le dispositif comporte une poulie d'entraînement qui peut enclencher un train d'engrenage particulier pour rétracter le cathéter externe et exposer la prothèse. La poulie d'entraînement peut également enclencher un autre train d'engrenage pour rengainer le cathéter externe et recapturer la prothèse entre le cathéter interne et le cathéter externe. Un interrupteur directionnel permet au dispositif de fonctionner entre les deux modes.

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