Mitral valve annuloplasty ring having a posterior bow

Details Mitral valve annuloplasty ring having a posterior bow Mitral valve annuloplasty ring having a posterior bow

2005-02-22

2005-02-22

Barrett, Thomas C. (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Heart valve

Annuloplasty device

C623S002370

Reexamination Certificate

active

06858039

ABSTRACT:
A mitral heart valve annuloplasty ring having a posterior bow that conforms to an abnormal posterior aspect of the mitral annulus. The ring may be generally oval having a major axis and a minor axis, wherein the posterior bow may be centered along the minor axis or offset in a posterior section. The ring may be substantially planar, or may include upward bows on either side of the posterior bow. The ring may include a ring body surrounded by a suture-permeable fabric sheath, and the ring body may be formed of a plurality of concentric ring elements. The ring is semi-rigid and the posterior bow is stiff enough to withstand deformation once implanted and subjected to normal physiologic stresses. The ring elements may be bands of semi-rigid material. A method of repairing an abnormal mitral heart valve annulus having a depressed posterior aspect includes providing a ring with a posterior bow and implanting the ring to support the annulus without unduly stressing the attachment sutures.

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