Patent ID: 8771362
Filing Date: 2014-07-08
Classification: A61F,F16B

Abstract:
1. A variable angle locking system comprising: a humeral component having an underside at least partially defined by a cavity; a humeral stem couplable to the humeral component; a first washer defining a first through-hole, the first washer including a threaded portion; an adaptor defining a second through-hole, the adaptor including a shelf portion and an elongated second washer, wherein the shelf portion is adapted to be received by the cavity of the humeral component; a cap having a threaded circumference configured to engage an interior circumferential thread of the shelf portion of the adaptor; a spring washer positioned between the first washer and the elongated second washer, the spring washer defining a third through-hole; and a screw configured to lock the humeral component to the humeral stem at more than one angle relative to a common axis defined by the first, second and third through-holes, the screw including a head portion having helical threads and an elongated shaft portion extending from the head portion.