Fixed bearing joint endoprosthesis
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United States of America Patent
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Apr 16, 1996
Issued Date -
N/A
app pub date -
Jan 14, 1994
filing date -
Dec 14, 1992
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Joint endoprostheses, disclosed in the context of a total knee prosthesis, incorporate a first element for rigid connection to a first bone, the first element having an articulating surface; a second element for rigid connection to a second bone, the second element having a bearing surface which engages the articulating surface; wherein the engagement of the articulation surface with the bearing surface at any degree of relative rotation therebetween is reflected by a substantially constant contact configuration, the relative rotation of the device being accompanied by displacement of the bones toward and away from each other.
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