Patent ID: 8702764
Filing Date: 2014-04-22
Classification: A61B

Abstract:
1. A fastening apparatus for surgical retaining systems, comprising: a retaining element, a fastening element, and a clamping element that are adapted to be mechanically connected to each other, wherein the retaining element comprises a joint socket and the fastening element comprises a joint head, wherein the joint socket and the joint head are shaped corresponding to each other and form a ball-and-socket joint, wherein movement of the ball-and-socket joint is lockable by engagement with the clamping element, wherein the clamping element is an eccentric ring and comprises a contact surface that is adapted to be pressed against a ball surface of the joint head to provide wedging engagement therewith, and wherein the clamping element is rotatably arranged relative to the retaining element whereby the clamping element, when rotated, wedges the joint head with respect to the joint socket, wherein the eccentric ring is a split ring having a center of an inner circumference being offset from a center of an outer circumference, and wherein the clamping element is arranged rotatably in a mount in the retaining element, this mount formed by an eccentric groove retaining the clamping element within the retaining element, the eccentric groove having a center of an inner circumference being offset from a center of an outer circumference.