Implantable servo valve having integral pressure sensor

Details Implantable servo valve having integral pressure sensor Implantable servo valve having integral pressure sensor

1985-12-23

1987-11-10

Truluck, Dalton L.

Surgery

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

With flow control means

128748, 137510, A61M 2700

Patent

active

047054999

ABSTRACT:
An implantable valve for allowing the passage of cerebrospinal fluid (CSF) from a ventricle of the brain of a patient to a suitable drainage location in the body of the patient includes a movable diaphragm having one of its sides in contact with dura mater and its other side in pressure communication with the drainage location. A valve assembly, actuated by movement of the diaphragm in response to increased epidural pressure, controls passage of CSF from the ventricle to the drainage location.

REFERENCES:
patent: 3782410 (1974-01-01), Stueby
patent: 3886948 (1975-06-01), Hakim
patent: 4106510 (1978-08-01), Hakim et al.
patent: 4557721 (1985-12-01), Hooven

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