Valve for the treatment of hydrocephalus

Details Valve for the treatment of hydrocephalus Valve for the treatment of hydrocephalus

1997-03-25

1998-12-01

Isabella, David

Surgery

Devices transferring fluids from within one area of body to...

With flow control means

A61M 500

Patent

active

058430130

ABSTRACT:
A valve for the treatment of hydrocephalus of the type including a membrane provided with an aperture and demarcating within a housing an upstream chamber and a downstream chamber. A rod of variable cross section attached to a stopper penetrates into the aperture. According to the invention, the housing includes three parts, a first body, a second body and a base cap. The first body and second body are assembled so as to squeeze the periphery of the membrane. The first body, the stopper and a first face of the membrane form one of the chambers, and the second body, the base cap and the other face of the membrane form the other chamber.

REFERENCES:
patent: 4781672 (1988-11-01), Hooven
patent: 5520632 (1996-05-01), Leveen et al.
patent: 5643195 (1997-07-01), Drevet et al.

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