Auxiliary balloon catheter

Details Auxiliary balloon catheter Auxiliary balloon catheter

A - Human Necessities

61

M

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

Patent

CA 2658428

A balloon catheter (10) may comprise a primary inflation balloon (20) and a secondary inflation balloon (30) located to one side of the primary inflation balloon. The secondary balloon comprises a first portion and a second portion, the first portion located closer to the primary balloon. The second portion has a greater size than the first portion, and a portion of the second portion extends outwardly beyond the first portion and overhangs the first portion. In some embodiments, a cross-sectional shape of the secondary balloon in an inflated state comprises a mushroom shape.

Selon l'invention, un cathéter à ballonnet (10) peut comprendre un ballonnet gonflable primaire (20) et un ballonnet gonflable secondaire (30) situé sur un côté du ballonnet gonflable primaire. Le ballonnet secondaire comprend une première partie et une deuxième partie, la première partie étant la plus proche du ballonnet primaire. La deuxième partie a une taille supérieure à celle de la première partie et une portion de la deuxième partie s'étend vers l'extérieur au-delà de la première partie et surplombe cette première partie. Dans certains modes de réalisation, la forme de section du ballonnet secondaire à l'état gonflé comprend une forme de champignon.

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