DUAL MOBILITY HIP REPLACEMENT SYSTEM
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Jul 16, 2013
filing date -
Jul 16, 2013
priority date (Note) -
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Abstract
A total hip implant system comprising: a prosthetic femoral component having a head with a part-spherical bearing surface; and a dual mobility acetabular cup system comprising a first bearing component made of ultra high molecular weight polyethylene mounted on the head, the first bearing component having a part-spherical inner bearing surface rotatably engaging the part-spherical bearing surface of the head, and having a part-spherical outer bearing surface, a second bearing component made of polyetheretherketone (PEEK) having an inner part-spherical bearing surface rotatably engaging the part-spherical outer bearing surface of the first bearing surface.
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