, Volume 7, Issue 1, pp 108-113
Date: 09 Dec 2011

Double lateral band transfer for treatment of traumatic hyperextension instability of the proximal interphalangeal joint: a report of two cases

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Abstract

Post-traumatic hyperextension instability of the proximal interphalangeal joint may lead to pain, difficulty with initiating finger flexion, and a swan-neck deformity. Most techniques to correct a traumatic hyperextension deformity of the proximal interphalangeal joint require a window in the flexor retinaculum, retraction of the flexor tendons, and manipulation of the joint capsule with a conceivable potential for joint stiffness, tendon adhesions, and tendon bowstringing. We describe an extra-articular lateral band transfer technique that utilizes strips of both lateral bands and preserves the functional integrity of the flexor tendon sheath.