Ascites valve

Details Ascites valve Ascites valve

A - Human Necessities

61

M

A61M 1/00 (2006.01) A61M 5/00 (2006.01) A61M 27/00 (2006.01) A61M 39/24 (2006.01)

Patent

CA 2212671

This invention is a device (20) for the transfer of body fluids which accumulate in the peritoneum cavity into the vascular system comprising a peritoneal tube (26) connected to the inlet chamber (36) of a hollow plastic implanted valve assembly. The valve assembly comprises a plastic housing (32) with an inlet and outlet, the peritoneal tube (26) being secured to the inlet leading to an inlet reservoir (36) located within the valve housing (32) and the venous tube (22) being secured to the outlet leading from the outlet reservoir (38) located within the valve housing (32). The valve housing (32) defines a valve seat (40) having a flexible diaphragm valve (56) which rests against the valve seat (40), and moves away from said valve seat (40) in response to pressure exerted thereon to permit flow of the body fluid from the peritoneum through the valve housing (32) and into the venous tubing (22).

Cette invention porte sur un dispositif (20), permettant le transfert de liquides organiques s'accumulant dans la cavité péritonéale vers le système vasculaire, comprenant un tube péritonéal (26) relié à l'enceinte d'admission (36) d'un ensemble clapet implanté, creux, en matière plastique. Cet ensemble clapet comporte un boîtier plastique (32), pourvu d'une entrée et d'une sortie, le tube péritonéal (26) étant fixé à l'entrée menant à un réservoir d'entrée (36) situé dans le boîtier du clapet (32) et le tube veineux (22), à la sortie provenant du réservoir de sortie (38) situé dans le boîtier du clapet (32). Le boîtier du clapet (32) définit un siège de clapet (40), pourvu d'un robinet à membrane souple (56) appuyant sur le siège de clapet (40) et s'en éloignant en réaction à la pression s'exerçant sur lui, afin de permettre l'écoulement du liquide organique du péritoine vers le conduit veineux (22) à travers le boîtier du clapet (32).

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