Surgery – Devices transferring fluids from within one area of body to... – With flow control means
Patent
1985-11-08
1987-01-13
Rosenbaum, C. Fred
Surgery
Devices transferring fluids from within one area of body to...
With flow control means
604 8, A61M 500
Patent
active
046361944
ABSTRACT:
A surgically implantable flow control valve positionable over a burr-hole through a patient's skull is provided for use in shunt systems for controlling the release of entrapped body fluids. The valve includes a relatively rigid, unitized molded plastic base having a planar valve seat portion, an inlet passageway through the base which terminates at an inlet port situated within the planar valve seat portion of the base, a resilient membrane which is molded of a material different from the material of the plastic base and which is secured to the base in a manner surrounding and covering the inlet port, and an outlet separated from the inlet by the resilient membrane. Radiopaque indicators and markers are provided which permit a surgeon to ascertain specific information about the device and the functioning of the shunt system which would otherwise be unavailable without additional surgery.
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Bryant Marga M.
East Gary P.
Heindl Alfons
Schulte Rudolf R.
Kartchner Gene B.
Pudenz-Schulte Medical Research Corp.
Rosenbaum C. Fred
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