Patent ID: 9398959
Filing Date: 2016-07-26
CPC Classification: A61F,F16B

Claim Text:
1. A variable angle locking system for a humeral head including a head cavity and a humeral stem couplable to the humeral head, the variable angle locking system comprising a first washer including an exterior surface and interior threads; an adaptor including a shelf portion and an elongated second washer, wherein the shelf portion is adapted to be received by the head cavity of the humeral head, the shelf portion including an interior surface defining a threaded portion and a non-threaded portion; a cap having an interior surface and a threaded outer surface configured to engage the threaded portion of the shelf portion, wherein the interior surface of the cap and the non-threaded portion of the shelf portion cooperatively define a distal cavity when threaded; and a screw configured to lock the humeral head with respect to the humeral stem, the screw including an elongated shaft portion extending from a head portion including threads configured to engage the interior threads of the first washer, wherein the first washer, a portion of the elongated second washer, and the head portion of the screw are disposed within the distal cavity.