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Series on BIOMECHANICS   ISSN 1313-2458
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Silicone and pyrocarbon artificial finger joints review
F. A. Alnaimat, H. A. Owida, A. Al Sharah, M. Alhaj, M. Hassan
Abstract: Artificial finger joint design has been developed through different stages through the past. PIP and MCP artificial finger joints have come to replace the amputation and arthrodesis options; although, these artificial joints are still facing challenges related to reactive tissues, reduced range of motion, and flexion and extension deficits. Swanson silicone artificial finger joints is still common due to the physicians preferability of silicone with the dorsal approach during operation. Nevertheless, other artificial finger joints such as the pyrocarbon implant arthroplasty has also drawn the interests of practitioners. Artificial finger joint has been classified under three major categories which as constrained, unconstrained and linked design. There are also challenges such as concerns of infections and articular cartilage necrosis associated with attempted retention of vascularity. In addition, one of the main challenges facing the silicone artificial finger joints is the fracture occurring at the distal stem with the hinge. Further studies need to be done to develop the design and materials of the pyrocarbon and silicone implants to increase the range of motion associated with them.

Series on Biomechanics, Vol.35 No.2 (2021), 87-99

Keywords: Artificial finger joint; metacarpophalangeal (MCP) joint; proximal interphalangeal (PIP) joint; pyrocarbon; silicone; Swanson
Date published: 2021-07-02
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