Patent ID: 9247963
Filing Date: 2016-02-02
CPC Classification: A61B

Claim Text:
1. A method of compressing together first and second bone fragments using at least one bone compression device, comprising: providing a first bone compression device having a fastener including a shank portion with an externally threaded portion and first and second ends and an enlarged head portion coupled to the first end and a bore extending through the head and shank portions, an anchor having first and second ends with an internally threaded bore and an enlarged shoulder at the second end, and a lock; forming a first bore through the first bone fragment and at east partially through the second bone fragment; forming a second bore through the second bone fragment connecting to and coaxial with the first bore, the second bore having a greater diameter than the first bore; inserting the first end of the anchor into the second bore such that the anchor shoulder engages a rim of the second bore and such that the first end of the anchor is positioned one millimeter from an interface of the second bore with the first bore; inserting the fastener through the first bore and into the second bore and advancing the externally threaded portion of the fastener shank portion into the first end of the anchor so that the fastener head portion engages a rim of the first bore and the fastener and anchor compress the first and second bone fragments together; and advancing the lock through the anchor towards the fastener and engaging the second end of the fastener shank portion to lock the relative positions of the fastener and the anchor.