Self-locking resorbable screws and plates for internal fixation of bone fractures and tendon-to-bone attachment.

摘要

An absorbable bone screw and plate system with self-locking properties. The absorbable bone screw comprises a threaded shaft portion 1 for insertion into bone and a head portion 3 for rigid connection in the screw hole 13 of a bone plate 20, the diameter of said head portion 3 increasing in the direction opposite to the shaft portion 1, and the outer surface of said head portion 3 being provided with a three-dimensional structure 4 in the form of corrugations.