Acetabular cup inserter for orthopedic
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United States of America Patent
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-
Dec 17, 1996
Issued Date -
N/A
app pub date -
Jan 27, 1995
filing date -
Aug 13, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Embodiments of an acetabular cup inserter include an elongated stem to which a handle is assembled in such a way that its orientation with respect to the stem may be adjusted 360.degree., that is, completely about the periphery of the stem. A buttress device is provided to engage the metal cup resiliently by use of an O-ring which prevents metal-to-metal contact avoiding fretting of the cup surface. The various embodiments disclosed include one embodiment wherein the buttress is axially aligned with the majority of the stem length as well as an embodiment wherein the axis of the buttress is parallel to and offset from the axis of the majority of the stem.
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