Artificial Finger Joints in Rheumatoid Arthritis

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Abstract
The need for a replacement for joints of the hand in rheumatoid arthritis and the requirements of such a joint are discussed. The stages in the development of a suitable joint, the methods of sectioning bone and of fixation of the joint, and the tissue acceptability of the materials used are described. Eighteen artificial joints replaced the natural metatarso-phalangeal joints in a series of 6 dogs, and these were observed for periods up to 6 months. All joints were assessed by function, by serial radiography, by naked eye dissection post mortem, and by histological changes in bone.

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