A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/10 (2006.01) A61M 25/00 (2006.01) A61M 25/10 (2006.01) A61M 29/02 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2215235
The present invention concerns a device for temporarily closing a canal in a body, in particular for assisting the function of the heart by application of counter-pressure. The device is characterized in that it comprises a first inflatable structure (1) which, in the inflated state, defines a sleeve shaped to match the internal surface of the canal, providing a central conduit (4). The device further comprises a second inflatable structure which expands radially, preferably from the exterior to the interior, is held by the first structure (1) and shaped such that, in the inflated state, it permits substantially complete closure of the central conduit (4) formed after inflation of the first structure. The device finally comprises means allowing each of these first and second inflatable structures to be in fluid communication with a fluid delivery source.
La présente invention concerne un dispositif d'obturation temporaire d'un canal corporel, notamment utile à l'assistance cardiaque par contre-pression, caractérisé en ce qu'il comprend: une première structure gonflable (1) définissant à l'état gonflé, un manchon conformé pour venir épouser la surface interne dudit canal en ménageant un conduit central (4); une seconde structure gonflable à expansion radiale de préférence de l'extérieur vers l'intérieur, maintenue par ladite première structure (1) et conformée pour permettre à l'état gonflé d'obturer sensiblement complètement ledit conduit central (4) formé après gonflage de ladite première structure; des moyens permettant la mise en communication fluide de chacune desdites première et seconde structures gonflables avec une source d'alimentation en fluide.
Boussignac Georges
Hilaire Pierre
Fetherstonhaugh & Co.
Laboratoires Nycomed S.a.
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