Prosthetic ring for cardiac surgery.

摘要

This ring (2) is of the type comprising a core (4) engaged in a textile sheath (5) forming a means of the suture, the core (4) comprising at least a portion of a relatively rigid (4a) and a relatively flexible portion (4b) with respect to that -. & br / according to the invention, the cross section of the core (4) varies along the circumference of the ring (2), that is - to - say decreases in the direction of its portion (4b) to be more flexible, so as to impart to the ring, the flexibility required for it not to impede the movement of the cardiac wall.