Shock dampening biocompatible valve
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United States of America Patent
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Aug 18, 2009
Grant Date -
Jul 6, 2006
app pub date -
Dec 30, 2005
filing date -
Dec 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A biocompatible valve (200) includes a valve mechanism (250, 230a, 230b), which is mounted and is longitudinally displaceable within a valve mount (210) affixed to a recipient patient. A valve annulus (250) defines an orifice (240) in which a closing mechanism (230a, 230b) is received. Upon a transition from an open position to a closed position of the closing mechanism (230a, 230b), hydraulic shock is introduced into the fluid passing through the valve. The present invention provides a dampening mechanism (280) to mitigate the shock and to dissipate its energy. Various embodiments allow for high order frequency response through relationships between dampening mechanism components.
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