Flexible implant arthroplasty in the rheumatoid metacarpophalangeal joint.

A brief review of the possible methods of reconstruction of the arthritic MP joint including synovectomy, arthrodesis and arthroplasty with or without implant has been presented. The surgical technique for flexible hinge implant arthroplasty at the MP joint of the fingers and thumb has been detailed. A computer analysis of the results of MP joint flexible implant arthroplasty obtained in a special field clinic study have been presented.