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

2005-01-31

2009-10-27

McDermott, Corrine M (Department: 3738)

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

Heart valve

Annuloplasty device

C623S002370

Reexamination Certificate

active

07608103

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 formed of a plurality of concentric ring elements or bands. The posterior bow is stiff enough to withstand deformation once implanted and subjected to normal physiologic stresses. 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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