Modular endoprosthesis

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/06 (2006.01)

Patent

CA 2272947

An endoprosthetic implant is formed from a plurality of separate individual components that are inserted sequentially and transluminally into a bifurcated vascular region with each component being deployed in sequence by a sequence of catheter-like deployment devices. The separate components are placed relative to each other to define a bifurcated endoprosthesis. In one embodiment the deployment device includes a tubular sheath for maintaining the radially expandable tubular implant in a contracted configuration and a gripping device including a cup and a gripping member that cooperate to define an annular space by which the trailing end of the implant can be securely held by the deployment device during positioning of the device.

L'invention porte sur un implant endoprothétique composé de plusieurs composants individuels séparés qu'on insère séquentiellement et à travers une lumière dans une zone vasculaire bifurquée, chacun des composants étant mis en place séquentiellement par une suite de dispositifs de mise en place du type cathéter. Les composants séparés sont placés relativement les uns par rapport aux autres de manière à constituer une endoprothèse bifurquée. Dans l'une des exécutions, le dispositif de mise en place comporte une gaine tubulaire qui maintient l'implant tubulaire dilatable radialement dans une position rentrée et un dispositif préhenseur comportant une coupelle et un élément préhenseur qui coagissent pour délimiter un espace annulaire par lequel le dispositif de mise en place peut maintenir fermement l'extrémité proximale de l'implant lors du positionnement du dispositif.

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