Main vessel constraining side-branch access balloon

Details Main vessel constraining side-branch access balloon Main vessel constraining side-branch access balloon

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61F 2/84 (2006.01) A61M 25/10 (2006.01)

Patent

CA 2668203

A catheter having a multi-chamber balloon (32) which includes a first chamber (34) having a globular configuration and an adjacent second chamber (36) having a generally cylindrical body portion are sequentially inflatable so when employed to enlarge an opening through a stent deployed at a bifurcation the stent is supported around the circumference of the side-branch opening while the stent wall opening is being enlarged.

L'invention concerne un cathéter possédant un ballonnet à chambres multiples (32) qui comprend une première chambre (34) possédant une configuration globulaire et une deuxième chambre contiguë (36) possédant une partie corps généralement cylindrique, qui sont séquentiellement gonflables de sorte que lorsqu'on les utilise pour agrandir une ouverture à travers un stent déployé au niveau d'une bifurcation, ce stent soit supporté autour de la circonférence de l'ouverture de ramification latérale tandis que l'ouverture de la paroi du stent est agrandie.

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