Adjustable long bone prosthesis
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United States of America Patent
Stats
-
Dec 16, 2003
Grant Date -
Jul 24, 2003
app pub date -
Jan 18, 2002
filing date -
Jan 18, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A long bone prosthesis includes upper and lower articulating components, with the free ends of the components configured to engage a corresponding prosthetic joint. The overall length of the articulating components is adjustable to approximate the length of a patient's long bone, such as the humerus. The articulating components include a stem and collet arrangement for fixing the relative axial and rotational position of the components. A tapered lock nut is threaded onto the outer threaded surface of the collet portion to provide a pressure engagement of the articulating elements. Various surface features can be implemented among the components of the prosthesis to enhance the pressure fixation, restrict rotation or provide indexed movement of the articulating components relative to each other.
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