Patent ID: 8100955
Filing Date: 2012-01-24
Classification: A61B,A61F

Abstract:
1. A method for securing an orthopedic device to a bone, comprising: providing an orthopedic device comprising a fastener lumen and a fastener, the fastener comprising a fastener head and a fastener body, the fastener head comprising a lumen opening, a central internal lumen having a distal end and a proximal end, the lumen opening disposed at the proximal end, a side lumen contiguous with the central internal lumen and a separate expansion member located at least partially within the side lumen and the central internal lumen and having an expanded configuration and a reduced configuration, and an internal screw comprising a screw body with threads and a screw head having an angled edge, located within the central internal lumen, wherein substantially the entire internal screw is positioned distally of the expansion member; attaching the orthopedic device to a bone in a body; moving the internal screw proximally to a position about the side lumen wherein the angled edge of the internal screw acts upon an edge of the expansion member; wherein moving the internal screw proximally comprises the internal screw directly contacting the expansion member partially displacing the expansion member with respect to the side lumen; and changing the expansion member to its expanded configuration.