External axial fixation device

Details External axial fixation device External axial fixation device

A - Human Necessities

61

B

128/41

A61B 17/60 (2006.01) A61B 17/66 (2006.01) A61B 17/64 (2006.01)

Patent

CA 1235972

ABSTRACT OF THE DISCLOSURE 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 pre- cision 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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