Annuloplasty devices and related heart valve repair methods
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United States of America Patent
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May 4, 2004
Grant Date -
Nov 21, 2002
app pub date -
May 14, 2002
filing date -
Jul 6, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Devices for repairing and replacing a heart valve in various embodiments, the devices include at least first and second support rings connected together in a coiled configuration to abut opposite sides of a valve annulus. A replacement valve may be secured to the coil-shaped device. Various alternative fastening systems include suture fastening systems, mechanical fastening systems, shape memory alloy fastening systems and other fastening systems relying only on the resilience between adjacent coils. A method generally includes inserting a first end of the coil-shaped member through a valve annulus, rotating a first ring of the coil-shaped member into position on one side of the valve annulus and positioning at least a second ring of the coil-shaped member on an opposite side of the valve annulus.
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