Patent ID: 9301790
Filing Date: 2016-04-05
CPC Classification: A61B

Claim Text:
1. A method for fixation of a bone fracture comprising: inserting a bone fastener having a bore therein and a plurality of ports for communicating between the bore and a bone across a fracture site, the bore of the bone fastener having an annular step formed therein; mounting a metal insert on a leading end of a polymer pin; inserting the polymer pin having the metal insert into the bore of the bone fastener and sliding the combination along the bore of the bone fastener until the annular step is contacted, wherein the leading end of the polymer pin contacts the metal insert and wherein the annular step contacts the metal insert, the annular step formed adjacent to the ports in the bone fastener; ultrasonically melting the polymer pin; and forcing melted polymer of the polymer pin through the ports in the bone fastener and into the bone.