| 摘要 |
<p>Artificial venous valve with unidirectional flow, for insertion into the human venous system, biocompatible with the receiver, characterized in that it permits a centripetal unidirectional flow of blood by means of the movement of a plate (3), inserted in a cylindrical or cylindroid support (1), through the effect of variation of the pressure gradient on the two sides of said plate (3). <IMAGE></p> |
