Patent ID: 8632575
Filing Date: 2014-01-21
Classification: A61B

Abstract:
1. A fastener assembly for fastening an orthopedic device to bone tissue, comprising: a fastener comprising a head portion, a portion of which is generally spherical, a shank portion for engaging the bone tissue, and a neck portion for connecting the head portion and the shank portion; a polyaxial locking head, the polyaxial locking head having a cavity for receiving the head portion and at least one protrusion; and an orthopedic device having an opening for receiving the polyaxial locking head and fastener, the opening having at least one extension, and a groove extending from the extension, wherein the fastener is capable of polyaxially moving in the polyaxial locking head after the polyaxial locking head is received in the orthopedic device in a locked position wherein the polyaxial locking head extends from the upper most surface of the orthopedic device to a lower most surface of the orthopedic device.