Article,

Anchorage of Wrist Joint Prostheses to Bone Using the Osseointegration Principle

, and .
Journal of Hand Surgery (British and European Volume), 22 (1): 84-89 (1997)
DOI: 10.1016/S0266-7681(97)80026-5

Abstract

Five patients with rheumatoid arthritis (age 28–60 years) underwent wrist joint arthroplasty with individually designed artificial joint mechanisms, anchored to bone using the osseointegration principle. We report on the result from a 4 to 6.5 year follow-up with special emphasis on the fixation of the prosthesis to bone. There was no bone resorption or loosening of screws. Osseointegration of the titanium screws occurred in all cases and persisted throughout the observation period, although scattered lytic zones could sometimes be seen around the screws. The clinical results were satisfactory with pain relief and maintenance of a functional range of movement. The principle has prospects for fixation of a wrist joint mechanism to bone, although the presently used joint mechanism requires further refinement.

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