Proximal Interphalangeal Joint Arthrodesis of the Hand Utilising a Rigid Intramedullary Device.

The proximal interphalangeal joint (PIPJ) is critical for proper finger and hand function. Arthritis of this joint can lead to significant pain and functional impairment. The APEX IP ^® Extremity Medical fusion device (Extremity Medical, Parsippany, New Jersey, USA) is an interlocking intramedullary screw device that provides a reliable method of hand PIPJ arthrodesis with good patient outcomes. We describe an easily reproducible surgical technique guide for using this device. Level of Evidence: Level V (Therapeutic).