Endoprosthesis for an artificial hip-joint
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United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Feb 26, 1997
filing date -
Feb 29, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention concerns an endoprosthesis for an artificial hip-joint, the endoprosthesis comprising a shank (1) having an adapter (2) at one of its ends. A ballhead (4) is fitted with a recess (6) detachably engaged by the adapter (2) while retaining the ballhead. The adapter (2) and the recess (6) are cylindrical, whereby the ballhead (4) is axially adjustable. A device is provided for retaining the ballhead (4) in various axial positions relative to the adapter (2). Accordingly, the ballhead (4) is adjustable with respect to its axial position and thereby its distance from the adapter (2) or the shank (1) is likewise adjustable. This feature eliminates the need to stock different ballheads matching different anatomic particulars.
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Family
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Cited Art Landscape
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