| CPC A61F 2/2442 (2013.01) [A61F 2/2448 (2013.01); A61F 2/2445 (2013.01); A61F 2210/009 (2013.01); A61F 2250/0001 (2013.01); A61F 2250/0004 (2013.01)] | 15 Claims |
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1. A system for treating a heart valve, the system comprising:
an adjustable annuloplasty ring configured to be attached to or near a cardiac valve annulus, the adjustable annuloplasty ring comprising:
a tubular body member;
one or more adjustable members, the tubular body member and the one or more adjustable members forming a ring shape; and
an internal magnet within the tubular body member, the internal magnet configured to rotate in response to a rotating external magnetic field;
wherein the internal magnet is coupled to the one or more adjustable members to change a dimension of the ring shape as the internal magnet rotates,
wherein the adjustable annuloplasty ring is approximately D-shaped as defined by: an anterior/posterior (AP) dimension and a commissure to commissure (CC) dimension, and wherein changing the dimension of the ring shape includes changing the AP dimension of the ring without substantial change to the CC dimension of the ring; and
wherein the adjustable annuloplasty ring further comprises:
a magnet housing in the tubular body member; and
a drive cable connected with the magnet housing, and
wherein rotation of the magnet housing turns the drive cable.
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