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Mitral valve annuloplasty ring for molding left ventricle geometry
Mitral valve annuloplasty ring for molding left ventricle geometry
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机译:二尖瓣瓣环成形术环,用于塑造左心室的几何形状
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摘要
An annuloplasty ring for correcting maladies of the mitral annulus that not only reshapes the annulus but also reconfigures the adjacent left ventricular muscle wall. The ring may be continuous and is made of a relatively rigid material, such as Stellite. The ring has a generally oval shape that is three-dimensional at least on the posterior side. A posterior portion of the ring rises or bows upward from adjacent sides to pull the posterior aspect of the native annulus farther up than its original, healthy shape. In doing so, the ring also pulls the ventricular wall upward which helps mitigate some of the effects of congestive heart failure. Further, one or both of the posterior and anterior portions of the ring may also bow inward.
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