Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Meir Rosenberg0
Date of Patent
April 12, 2011
0Patent Application Number
119521600
Date Filed
December 7, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A self adjusting hydrocephalus valve that continuously drains cerebrospinal fluid at a rate which is proportional to the average pressure difference across the valve. The valve employs a ball-in-cone mechanism having an associated biasing element that is insensitive to high frequency pressure variations for regulating the opening of the valve mechanism. The biasing element includes flexible bellows having a preset tension.
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