Occlusion device and method of use

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/12 (2006.01)

Patent

CA 2720648

A device for protecting cerebral vessels or brain tissue during treatment of a carotid vessel includes a catheter having a distal portion, a proximal portion and a lumen extending therebetween, the catheter including first and second expandable areas provided over the length of the catheter. The device includes a first elongate member insertable longitudinally through the lumen of the catheter, the first elongate member being configured for stretching at least a portion of the catheter and causing one of the first and second expandable areas to transition from an expanded state to a collapsed state. The device further includes a second elongate member insertable longitudinally through the lumen of the catheter, the second elongate member being configured for stretching at least a portion of the catheter and causing the other of the first and second expandable areas to transition from an expanded state to a collapsed state.

L'invention concerne un dispositif de protection des vaisseaux cérébraux ou d'un tissu cérébral pendant le traitement d'une carotide, comprenant un cathéter ayant une partie distale, une partie proximale et un passage s'étendant entre elles, le cathéter comprenant des première et seconde zones pouvant être agrandies disposées sur la longueur du cathéter. Le dispositif comprend un premier élément allongé pouvant être inséré longitudinalement à travers le passage du cathéter, le premier élément allongé étant configuré pour étirer au moins une partie du cathéter et amener l'une des première et seconde zones pouvant être agrandies à faire une transition depuis un état agrandi vers un état rétréci. Le dispositif comprend de plus un second élément allongé pouvant être inséré longitudinalement à travers le passage du cathéter, le second élément allongé étant configuré pour étirer au moins une partie du cathéter et amener l'autre des première et seconde zones pouvant être agrandies à faire une transition depuis un état agrandi vers un état rétréci.

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