Hydrocephalus shunt with in-line filter

Details Hydrocephalus shunt with in-line filter Hydrocephalus shunt with in-line filter

1982-10-04

1988-05-03

Coven, Edward M.

Surgery

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

604 9, 604128, A61M 2700

Patent

active

047417307

ABSTRACT:
A shunt system for implantation in the body comprises a body having an inlet and an outlet and a first fluid-flow passageway extending between the inlet and outlet. A pressure regulated valve is provided within the first fluid-flow passageway to provide fluid flow at selected fluid pressures in the passageway. A filter is positioned within the first fluid-flow passageway. A second fluid-flow passageway extends between the inlet and outlet and provides a passageway through the body around the filter. A valve and valve seat is provided within the second fluid-flow passageway which can be selectively closed or opened to provide fluid flow through the second fluid-flow passageway.

REFERENCES:
patent: 926197 (1909-06-01), Kim
patent: 1697095 (1929-01-01), Turner
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patent: 3452757 (1969-07-01), Ames
patent: 3690323 (1972-09-01), Wortman et al.
patent: 3756243 (1973-09-01), Schulte
patent: 3827439 (1974-08-01), Schulte et al.
patent: 3985140 (1976-10-01), Harris
patent: 4377169 (1983-03-01), Banks

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