Patent ID: 8545572

Claim:
A subtalar implant comprising: a main body including a middle portion connected between a proximal end and a distal end, the distal end configured to insert into a sinus before the proximal end; a central hollow shaft included in the main body and extending from the proximal end to the distal end to define a longitudinal axis; a first thread included in the main body and revolving about the main body, the first thread including a first thread crest portion; a first negative thread space located distal and directly adjacent to the first thread crest portion; and a second negative thread space located proximal and directly adjacent to the first thread crest portion; wherein the first thread crest portion includes a first lip projecting across a lateral portion of the first negative thread space and a second lip, opposite the first lip, projecting across a lateral portion of the second negative thread space; wherein the first thread includes at least a portion of a first aperture, the first aperture being directly connected to the first negative thread space and the second negative thread space; wherein the first aperture and at least one of the first and second lips are intercepted by a horizontal axis that is perpendicular to the longitudinal axis.