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Proximal Interphalangeal Joint Arthrodesis of the Lesser Toes: 2-Part Design

Phisitkul, Phinit MD*; Rungprai, Chamnanni MD*,†; Amendola, Annunziato MD*

Techniques in Foot & Ankle Surgery: September 2014 - Volume 13 - Issue 3 - p 135–139
doi: 10.1097/BTF.0000000000000048
Special Focus: Forefoot and Lesser Toes Challenges, Part I

Hammer toe deformity is one of the most common conditions affecting lesser toes that often requires surgical reconstruction including soft-tissue repair, resection arthroplasty, or arthrodesis. The success of the proximal interphalangeal arthrodesis depends on the lengthy period of postoperative pin care when percutaneous K-wire fixation is used. A 2-component polyether ether ketone intramedullary implant was designed to promote arthrodesis of the proximal interphalangeal joint by allowing a more reliable bone apposition and immediate stability at either 0 or 10 degrees of flexion. This treatment method theoretically avoids percutaneous K-wires while allowing early weight-bearing. Prospective clinical studies are required to elucidate the surgical outcome of this technique.

Level of Evidence: Diagnostic Level 5. See Instructions for Authors for a complete description of levels of evidence.

*Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA

Phramongkutklao Hospital and College of Medicine, Bangkok, Thailand

P.P. and A.A. own stock in MTP Solutions, LLC. C.R. declares no conflict of interest.

Address correspondence and reprint requests to Phinit Phisitkul, MD, Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins drive, Iowa City, IA 52242. E-mail:

© 2014 by Lippincott Williams & Wilkins