Patent ID: 9510877
Filing Date: 2016-12-06
CPC Classification: A61B,A61F

Claim Text:
1. A hybrid bone fixation element for engaging a patient's bone including: a proximal bone contacting portion for engaging an outer cortical portion of the bone, the proximal bone contacting portion comprising an externally threaded shaft and a head portion integral with the externally threaded shaft along a longitudinal axis, the head portion comprising a drive surface; a expandable distal bone contacting portion for engaging an inner cancellous portion of the bone, the expandable distal bone contacting portion coupled to the threaded shaft along the longitudinal axis; wherein the expandable distal bone contacting portion has a first radial diameter in a first unexpanded state equal to or less than a radial diameter of the externally threaded shaft and a second radial diameter in a second expanded state greater than the radial diameter of the externally threaded shaft, wherein the proximal bone contacting portion and the expandable distal bone contacting portion include a central bore extending therethrough.