Bifurcated stent system balloon folds

Details Bifurcated stent system balloon folds Bifurcated stent system balloon folds

A - Human Necessities

61

F

A61F 2/84 (2006.01)

Patent

CA 2641377

The present invention is directed to balloon folding configurations and methods for catheter devices having dual lumens in radial proximity to the balloon, such as, but not limited to, self-aligning stent delivery systems for treatment of bifurcated lesions. The configuration designs alters the conventional catheter profile by packing balloon materials in otherwise vacant areas located on both sides of the side branch shaft and/or the parent shaft, such that the device takes on more of a round profile instead of the classical elongated egg-shaped profile.

La présente invention concerne des configurations et des méthodes de plis de ballonnets pour appareils de cathéter ayant des lumières doubles de proximité radiale par rapport au ballonnet, tel que, mais non limité à, des systèmes d'administration de stent auto-alignant pour traitement de lésions bifurquées. Les concepts de configuration changent le profil du cathéter conventionnel en emballant des matériels de ballonnet dans des régions généralement vacantes localisées de chaque côté de l'arbre à branche latéral et/ou de l'arbre mère, de sorte que l'appareil prenne plus un profil rond qu'un profil en forme d'oeuf allongé classique.

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