Bone compression and distraction surgical tool

Details Bone compression and distraction surgical tool Bone compression and distraction surgical tool

1994-03-11

1995-08-08

Graysay, Tamara L.

Surgery

Instruments

Orthopedic instrumentation

A61B 1756

Patent

active

054394651

ABSTRACT:
According to the present invention a bone compression or distraction surgical tool is provided, which comprises: a male threaded shaft that extends through a housing having a relatively long slot running parallel to the shaft from a first end of the housing and a relatively short slot running parallel to the shaft from a second end of the housing, these slots being in line with one another; a fixed arm having on one end an internally smooth sleeve, which surrounds the shaft, said arm extending through the short slot; a movable arm having, on one end, a female threaded sleeve, which surrounds the shaft and engages the male threads thereof, and extending through the long slot; and a handle for rotating the shaft, the rotation of which moves the movable arm via the threaded connection. Both the fixed arm and the movable arm have a hole for attaching surgical pin apparatus at the end of each arm as well as to the bone ends so the bones may be moved as required by the movement of the movable arm.

REFERENCES:
patent: 1904798 (1933-04-01), Nurnberger
patent: 2317195 (1943-04-01), Husted
patent: 3709219 (1973-01-01), Halloran
patent: 4187841 (1980-02-01), Knutson
patent: 4779857 (1988-10-01), Maund

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