Metatarsophalangeal joint prosthesis for the first shaft of the foot

摘要

The present invention concerns a metatarsophalangeal joint prosthesis for the first shaft of the foot, characterised in that it is in the form of a monobloc component having, on the one hand, a truncated stem 1 to be inserted in the spongy bone at the level of the phalanx and provided over its entire length with a thread 2 and, on the other hand, a small concave cup 3 intended to cooperate with the metatarsal head. IMAGE