[Replacement of intrinsic muscle function following the modified Zancolli procedure].

The authors recommend corrective procedures for the absence of intrinsic muscle function after irreversible injury to the ulnar nerve. The modified Zancolli capsulodesis was utilized in four cases with ulnar and in one case with combined ulnar and median nerve injury. The modification consists of a temporary fixation of the metacarpophalangeal joint with a Kirschner wire and the use of a transosseous absorbable suture. Two personal cases are reported.