External axial fixation device
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United States of America Patent
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-
Nov 11, 1986
Grant Date -
N/A
app pub date -
Jan 18, 1985
filing date -
Dec 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention contemplates an orthopedic axial-fixation device wherein an extended range of body-length adjustment is achieved using three mutually telescoping members which are keyed against relative rotation, thereby preserving the selectively clamped orientation of pin mounts having ball-joint connection to the ends of the body. Separate selective clamping is available for securing a given extended relation of inner and intermediate body members and for securing a given extended relation of the intermediate and outer body members. Jacking mechanism for precision length adjustment of the body also uses three mutually telescoping threaded members so configurated that rotation of one of these threaded members is operative to provide jack expansion or retraction which serves the fullest possible range of body-length adjustability.
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