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Ascites valve

  • US 5,520,632 A
  • Filed: 04/11/1991
  • Issued: 05/28/1996
  • Est. Priority Date: 04/11/1991
  • Status: Expired due to Fees
First Claim
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1. A device for the transfer of body fluids which accumulate in the peritoneum cavity into the vascular system comprising a peritoneal tube connected to an inlet located on the side of a hollow plastic flat surfaced implantable valve means, pressure differentials in fluids from the peritoneum cavity causing said valve means to open and pass the fluid under pressure therethrough into a venous tubing connected to an outlet located on the side of the flat surfaced valve means and through said venous tubing, said venous tubing being provided with a rigid radiopaque marker means and a ferrite means located near the distal end of the venous tubing, the tip of which is positioned in a major intrathoracic vein through an accessible vein outside the thorax of a patient, said valve means comprising a plastic housing with inlet means and outlet means and a valve seat means, said peritoneal tube mounted to said inlet means and a venous tube mounted to said outlet means, said valve means including a valve member having a valve stem and a flexible diaphragm section on one end of said valve stem and a strut assembly on its other end, said flexible diaphragm section resting against said valve seat means in a normally closed position, said flexible diaphragm section moving away from said valve seat means in response to pressure exerted thereon to permit flow of the body fluid from the peritoneum through the valve housing and into the venous tube which empties into an intrathoracic vein.

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