Surgery – Truss – Perineal
Patent
1976-07-19
1977-03-15
Frinks, Ronald L.
Surgery
Truss
Perineal
128 92BC, A61F 504, A61B 1718
Patent
active
040118630
ABSTRACT:
A prosthetic nail for stabilizing fractures in the supracondylar area of the femur has an elongated flat shape and tapers substantially over its entire length from a relatively thick head (about 0.4 .times. 0.5 inch) to a relatively thin tip (about 0.2 .times. 0.05 inch). The elevational configuration of the nail has a thin elongated midportion (about 0.1 inch thick) with two curved ends. The larger head end is about 0.5 inch thick formed by inside and outside radii about 2 and 3 inches long. The curved head end extends longitudinally about 2.5 inches from the midportion. The thinner tip end has a radius of about 1.75 inches extending longitudinally about 1 inch. The plan configuration of the nail is about 11 inches long tapering from a 0.4 inch wide head to about a 0.2 inch blunt rounded tip. A hole for a lag screw is provided through the head end either at right angles to the elevational length of the nail or at a slight inward inclination thereto. The lag screw is threaded for retention in bone and varies in length from about 2 to 3 inches.
REFERENCES:
patent: 2579968 (1951-12-01), Rush
patent: 2998007 (1961-08-01), Herzog
patent: 3433220 (1969-03-01), Zickel
patent: 3439671 (1969-04-01), Kuntscher
"Internal Fixation For Supracondylar Fracture Of The Femur in The Elderly Patient"
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