| 摘要 |
<p>A bioprosthetic valve is presented, in which the biological part is a natural aortic or pulmonary valve of human or animal origin, and the valve incorporates a primary cloth cover C, E of the supporting frame A, which cover is discontinuous both on the outside and the inside of the said frame. The biological part F is led through the resulting openings, part of it is, thus, mounted onto the inside, part of it onto the outside of the supporting frame. <IMAGE></p> |
