Patent ID: 9078716
Filing Date: 2015-07-14
Classification: A61B

Abstract:
1. A surgical mid-foot compression pin, comprising: a front threaded portion including a distal end of the compression pin, the front threaded portion comprising a front outer thread; a rear threaded portion including a proximal end of the compression pin, the rear threaded portion comprising a rear outer thread; an unthreaded middle portion arranged between the front and rear threaded portions; and a drive interface extending from the proximal end into the compression pin, the compression pin having a longitudinal axis extending between the proximal end and the distal end; wherein a pitch of the front outer thread is greater than a pitch of the rear outer thread in order to achieve a compression; wherein the rear outer thread has a conical contour that tapers along the longitudinal axis, in a direction from the proximal end to the distal end of the compression pin; and wherein at least part of the middle portion is contoured conically at least over portions thereof, and tapers along the longitudinal axis in the direction from the proximal end to the distal end of the compression pin.