Method and apparatus for reducing mitral regurgitation
First Claim
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1. Apparatus for reducing mitral regurgitation, said apparatus comprising:
- a cinching device comprising a distal anchor, a proximal anchor and a flexible body extending therebetween, said distal anchor being adapted to be positioned distal to the distal end of the coronary sinus and the proximal anchor being adapted to be positioned at the coronary ostium, with the flexible body extending through said coronary sinus between said distal anchor and said proximal anchor, and further wherein at least one of said distal anchor and said proximal anchor is configured for ratcheting action relative to said flexible body, whereby the length of body between said distal anchor and said proximal anchor may be reduced, whereby when said distal anchor is positioned distal to said distal end of said coronary sinus and said proximal anchor is positioned at said coronary ostium, with the flexible body extending through said coronary sinus between said distal anchor and said proximal anchor, and said body is thereafter cinched so as to reduce the length of body between said distal anchor and said proximal anchor, a force may be exerted on the posterior annulus so as to reduce mitral regurgitation.
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Abstract
Apparatus for reducing mitral regurgitation, by applying a force to the wall of the coronary sinus so as to force the posterior leaflet anteriorly and thereby reduce mitral regurgitation.
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Citations
20 Claims
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1. Apparatus for reducing mitral regurgitation, said apparatus comprising:
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a cinching device comprising a distal anchor, a proximal anchor and a flexible body extending therebetween, said distal anchor being adapted to be positioned distal to the distal end of the coronary sinus and the proximal anchor being adapted to be positioned at the coronary ostium, with the flexible body extending through said coronary sinus between said distal anchor and said proximal anchor, and further wherein at least one of said distal anchor and said proximal anchor is configured for ratcheting action relative to said flexible body, whereby the length of body between said distal anchor and said proximal anchor may be reduced, whereby when said distal anchor is positioned distal to said distal end of said coronary sinus and said proximal anchor is positioned at said coronary ostium, with the flexible body extending through said coronary sinus between said distal anchor and said proximal anchor, and said body is thereafter cinched so as to reduce the length of body between said distal anchor and said proximal anchor, a force may be exerted on the posterior annulus so as to reduce mitral regurgitation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 18, 19)
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11. A method for reducing mitral regurgitation, said method comprising the steps of:
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providing a cinching device comprising a distal anchor, a proximal anchor and a flexible body extending therebetween, said distal anchor being adapted to be positioned distal to the distal end of the coronary sinus and the proximal anchor being adapted to be positioned at the coronary ostium, with the flexible body extending through said coronary sinus between said distal anchor and said proximal anchor, and further wherein at least one of said distal anchor and said proximal anchor is configured for ratcheting action relative to said flexible body, whereby the length of body between said distal anchor and said proximal anchor may be reduced;
positioning said distal anchor distal to said distal end of said coronary sinus and positioning said proximal anchor at said coronary ostium, with the flexible body extending through said coronary sinus between said distal anchor and said proximal anchor; and
cinching said body so as to reduce the length of body between said distal anchor and said proximal anchor, whereby a force may be exerted on the posterior annulus so as to reduce mitral regurgitation. - View Dependent Claims (12, 13, 14, 15, 16, 17, 20)
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Specification