Rotatable cuff assembly for a heart valve prosthesis
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United States of America Patent
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Mar 2, 1999
Issued Date -
N/A
app pub date -
Feb 13, 1997
filing date -
Oct 21, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a sewing cuff assembly for mounting to the body of a heart valve prosthesis. The sewing cuff assembly comprises a resiliently deformed spring for exerting a force directed toward the orifice structure. When a torque is applied to the valve, the force results in a rotation-resisting torque sufficient to resist rotation during normal operation of the valve after implantation but low enough to permit assisted rotation, as during surgery.
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Family
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