Bio-medical pressure control device

Details Bio-medical pressure control device Bio-medical pressure control device

1975-06-18

1976-12-28

Truluck, Dalton L.

Surgery

Truss

Pad

137510, A61M 2700

Patent

active

039995534

ABSTRACT:
An improved cerebrospinal fluid anti-syphoning device for insertion into the human body to provide control and regulation of fluid being transported from the lateral ventricles to another portion of the body. The improved fluid anti-syphoning device includes a fluid housing member which is adapted to contain a pair of check valves which control fluid flow through the housing member and prevents back flow from a downstream area to an upstream area. A central chamber within the fluid housing member encloses a combination fluid egress conduit and flexible diaphragm which in cooperative relation provide for a substantial termination of fluid flow when the down stream pressure becomes too low with respect to the upstream pressure.
Specific construction of the fluid egress conduit and the flexible diaphragm provides for negation of possible terminal closure of the flow path through the anti-syphoning device under a wide range of conditions. The improved device includes a mechanism for manually actuating the flow through the outlet area of the housing member after the anti-syphoning device has been implanted within the human body.

REFERENCES:
patent: 3659625 (1972-05-01), Coiner et al.
patent: 3762681 (1973-10-01), McKinney et al.
patent: 3768508 (1973-10-01), Schulte
patent: 3769982 (1973-11-01), Schulte
patent: 3901245 (1975-08-01), Spitz et al.

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