Surgery – Instruments – Orthopedic instrumentation
Patent
1988-04-01
1990-09-11
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
A61F 504
Patent
active
049558862
ABSTRACT:
The invention relates to a reconstruction or fracture plate for bridging a discontinuity in a patient's long bone, such as a femur and has a central portion for placement over the bone discontinuity, a first end portion having a dual-tapered width and thickness profile having a first plurality of screw holes and a second end portion defining a second plurality of screw holes. The first and second plurality of screw holes each have asymmetrically arrayed centerlines relative to plate longitudinal and transversal axes and the screw holes may have asymetrically arrayed centerlines relative to each other. Both the first and second end portions may have dual-tapered profiles.
REFERENCES:
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patent: 4119092 (1978-10-01), Gil
patent: 4219015 (1980-08-01), Steinemann
patent: 4297993 (1981-11-01), Harle
patent: 4403607 (1983-09-01), Woo et al.
patent: 4429690 (1984-02-01), Angelino-Pievani
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patent: 4573458 (1986-03-01), Lower
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patent: 4773406 (1988-09-01), Spector et al.
Hafer Robert A.
Sam Charles H.
The Trustees of Columbia University in the City of New York
White John P.
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