| 摘要 |
<p>This invention relates to a "biological" valve suitable for surgical treatment of cardiopathies, composed of a supporting ring having a diametrical element which functions as a support for the hinge of the two flaps which prevent flow through the device, designed in such a way that the angle formed by these in the resting position conditions both the height of the prosthesis as well as the mechanical behaviour of the aforementioned flaps.</p> |
