Non-constrained total joint system
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United States of America Patent
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May 24, 1994
Issued Date -
N/A
app pub date -
Jan 19, 1993
filing date -
Jun 25, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A non-constrained total joint prosthetic replacement device for metatarso-phalangeal joint. A first component comprises a convex-bearing surface and a rearwardly projecting stem configured to be received in the resected metatarsal bony shaft, and a second component includes a concave-bearing surface and a stem configured to be received within the resected phalangeal bony shaft. A non-bearing intermediate land offsets the convex-bearing surface of the first component from the stem, allowing a full range of anatomical motion notwithstanding the presence of bony overgrowth.
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