Surgery – Instruments – Orthopedic instrumentation
Patent
1998-07-23
1999-06-15
Tucker, Guy V.
Surgery
Instruments
Orthopedic instrumentation
606104, 174170, A61B 1756
Patent
active
059117222
ABSTRACT:
A surgical hand drill for inserting orthopedic screws and for drilling holes in the fixing of fractures and bone grafts employing a pair of bushings at opposite ends of a double-helix spiral drive shaft to maintain concentricity of rotation when transferring a squeeze hand motion to a pistol grip handle to a rotating drive motion for the screw and for the twist drill, with a compression-type return spring to return the drive shaft to its quiescent position, while providing a tactile feel to the surgeon as to the success in setting the screw into the bone, or drilling a hole, and which includes a quick disconnect adapter for accepting orthopedic screw driver tips of square, hexagonal and/or cross-fit end shank or other configurations, or twist drills.
REFERENCES:
patent: 4249617 (1981-02-01), Cox, Jr.
patent: 4524650 (1985-06-01), Marks
Adler Jonathan
Gordon Gregg
Leban Stanley
Brodsky Charles I.
Millenium Devices LLC
Tucker Guy V.
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