[Reconstruction of injured veins under the ligament]

The difficulties met, when reconstructing an injured v. femoralis communis, are greater than those of other veinous segments of the leg. This is due to the fact that the vein, being disconnected from its natural braces, is compressed by the inguinal ligament. In order to overcome this elective difficulty, a modification of the ring of Kunlin, especially thought out for this part of the body and clinically tested, is presented.