Importance

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Abstract

An improved orthopedic implant device comprising an elongate shaft and an elongate sleeve engaged about and shiftable longitudinally of the shaft a plurality of elongate struts spaced circumferentially about the sleeve and shaft and shiftable between unactuated positions where they are parallel with the sleeve and actuated positions where they extend radially outward from the sleeve, pivot means connecting one end of the shafts with the sleeve, lever arms on the shafts projecting into the sleeve from the pivot means therefor and cam means between the lever arms and the shaft whereby the lever arms are pivoted between the unactuated and actuated positions upon axial shifting of the shaft relative to the sleeve.

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First Claim