Multipolar joint endoprosthesis
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United States of America Patent
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-
Apr 16, 1996
Grant Date -
N/A
app pub date -
Jun 30, 1994
filing date -
Jun 30, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multipolar joint endoprosthesis for joint replacement includes multiple wedge shaped, cylindrical components attached in sequence to proximal and distal components (designed to be affixed to bone) each inseparable except by surgical manipulation and each freely, passively rotating about axes perpendicular to its planes of effacement with adjacent components. This passive rotation of one or more of the wedge-shaped components alters the angular orientation of the proximal and distal components thereby allowing range of motion of the joint in question.
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