Airway balloon dilator

Details Airway balloon dilator Airway balloon dilator

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61M 25/10 (2006.01) A61F 2/04 (2006.01)

Patent

CA 2623952

A medical apparatus for widening a stenosis in the airway of a patient which includes a central hollow core, an inflatable outer balloon, and at least one inner balloon inside the outer balloon. The apparatus also can include a flexible support member mounted on the external surface of the outer balloon with at least one microsurgical blade. The outer balloon can be dumbbell- shaped to keep the balloon in position over the stenosis when the balloon is inflated. The hollow core allows the patient to be ventilated during the procedure, the inner balloon(s) allow higher dilation pressures to be generated from inside the outer balloon, and the blade can form an effective cutting edge upon inflation of the outer balloon.

La présente invention concerne un dispositif médical destiné à élargir une sténose d'une voie respiratoire d'un patient, le dispositif comprenant un coeur creux central, un ballonnet externe gonflable, et au moins un ballonnet interne disposé à l'intérieur du ballonnet externe. Le dispositif comprend également un élément de support flexible monté sur la surface extérieure du ballonnet externe et présentant au moins une lame micro-chirurgicale. Le ballonnet externe peut avoir une forme de haltère qui permet de maintenir le ballonnet en place sur la sténose lorsque le ballonnet est gonflé. Le coeur creux permet au patient d'être ventilé au cours de la procédure, le(s) ballonnet(s) interne(s) permet(tent) à des pressions de dilatation supérieures d'être produites depuis l'intérieur du ballonnet externe, et la lame peut former un bord de coupe efficace lors du gonflement du ballonnet externe.

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