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February 3, 1969, Vol 207, No. 5 >
ARTICLE | February 3, 1969

MEDICAL NEWS

JAMA. 1969;207(5):845-860. doi:10.1001/jama.1969.03150180007003.
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ABSTRACT

Artificial Thumb Joint Restores Motion  Prosthetic carpometacarpal joints of silicone rubber have been used to restore normal range of motion to painful, non-functioning thumb joints of arthritic patients.Fifteen patients (18 hands) have been followed for 6 to 30 months after excision of the trapezium and replacement with the intramedullary, stemmed implant. All experienced "relief of pain and improved strength, stability, and range of motion," Alfred B. Swanson, MD, told the American Society for Surgery of the Hand.In the past, conventional fusion of the trapeziometacarpal joint has given good pain relief, he explained, but it has been associated with important loss of motion. Pain has also been relieved by resection of the trapezium, but instability and collapse of the thumb bony system have occurred in some cases.In addition to improved function and appearance, arthroplasty with the silicone rubber implant also permits correction of deformed distal joints because

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