Patent ID: 9179953
Filing Date: 2015-11-10
Classification: A61B

Abstract:
1. A fastener assembly for fastening an orthopedic device to bone tissue, comprising: a fastener comprising a head portion and a shank portion for engaging bony tissue; a locking head having at least one protrusion, the locking head capable of receiving the head portion of the fastener; and an orthopedic device having an upper most surface, a lower most surface and an opening for receiving the locking head and the fastener, the opening having at least one extension portion and a groove extending from the extension portion, wherein the locking head extends from the upper most surface of the orthopedic device to the lower most surface of the orthopedic device, wherein in a first position, the locking head and the fastener are removable from the opening in the device and in a second position the locking head and the fastener are not removable from the opening in the device, wherein in the first position, the at least one protrusion of the locking head is located in the at least one extension of the opening and in the second position the at least one protrusion of the locking head is located in the groove of the opening.