Importance

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Abstract

A broken intramedullary rod removal tool for extracting the distal end of a broken intramedullary rod from bone in which it is embedded. In a first embodiment the tool has an extraction shaft, an expansion rod disposed and longitudinally movable within the shaft, a strike plate adapter secured to the proximal end of the extraction shaft, a thumb screw secured to the strike plate adapter, and a strike plate secured to the strike plate adapter. The distal end of the extraction shaft is inwardly tapered and has a split-bulb tip, so that the expansion shaft distal end can be flared out by insertion of the distal end of the expansion shaft therein, to expand the tip so that it engages the distal end of the broken intramedullary rod, thus permitting the distal portion of the broken rod to be removed by striking the strike plate to force out the expansion shaft and tip-engaged broken rod end. In a second embodiment the split-bulb tip in its relaxed position is outwardly flared to engage the distal end of the broken intramedullary rod and is initially inwardly deflected by a controlling cap to permit the tip to be moved distally within a casing to a position where the tip can engage the broken end of the rod when the controlling cap is moved to allow the tip to flare out.

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First Claim