Rapid exchange interventional devices and methods

Details Rapid exchange interventional devices and methods Rapid exchange interventional devices and methods

A - Human Necessities

61

M

A61M 29/00 (2006.01)

Patent

CA 2560993

Wire-guided interventional devices and methods are provided which enable faster and easier catheter exchanges. The interventional devices include a catheter shaft and a guidewire tube wherein the catheter shaft and the guidewire tube each have a length sufficient to extend to the vascular penetration when the interventional device is positioned at the treatment site. In some embodiments, a collar is disposed around the catheter shaft and guidewire tube that automatically inserts or removes the guidewire from the guidewire tube or automatically collapses or extends the guidewire tube as the catheter is introduced or withdrawn.

L'invention concerne des dispositifs interventionnels guidés par un fil-guide et des procédés permettant de remplacer un cathéter de manière rapide et aisée. Les dispositifs interventionnels comprennent une tige de cathéter et un tuyau de fil-guide, la tige de cathéter et le tuyau de fil-guide présentant chacun une longueur suffisante pour se déployer dans la perforation vasculaire lorsque le dispositif interventionnel est mis en place sur le site de traitement. Dans certaines formes de réalisation, une bague placée autour de la tige de cathéter et du tuyau de fil-guide permet d'insérer ou de retirer automatiquement le fil-guide du tuyau de fil-guide, ou de replier ou de déployer automatiquement le tuyau de fil-guide à mesure que le cathéter est introduit ou retiré.

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