| 摘要 |
<p>A system and method are disclosed for covering a mechanical heart valve with biological tissue to provide a biomechanical heart valve prosthesis. The prosthesis includes a mechanical heart valve having a moveable porti on mounted within a generally annular support that permits substantially unidirectional flow of blood therethrough. One or more sheets of a biologica l tissue material are applied around the support heart valve to provide a sewi ng ring that includes the biological tissue material.</p> |
