Surgery – Truss – Perineal
Patent
1978-09-18
1981-09-15
Michell, Robert W.
Surgery
Truss
Perineal
A61F 504
Patent
active
042891248
ABSTRACT:
A surgical appliance for the fixation of fractured bones includes two anchoring members each adapted to be imbedded into a respective segment of a fractured bone. Each anchoring member has a head portion which extends from the bone, the head portion including a channel therethrough to receive a bolt. In one embodiment, one of the channels is threaded. The bolt, which is formed of a shaft and a head, has at least a portion of the shaft provided with screw threads which mate with the threads of the one channel. The shaft of the bolt is adapted to pass through the channel of the first anchoring member and to be threadedly received in the channel of the second anchoring member so as to exert a compressional force on the segment of the fractured bone when the bolt is tightened. In another embodiment, the channels of both heads of the anchoring members are provided with screw threads.
REFERENCES:
patent: 583455 (1897-03-01), Bush
patent: 1201864 (1916-09-01), Overmeyer
patent: 2110414 (1938-02-01), Bell
patent: 2439995 (1948-07-01), Thrailkill
patent: 3680553 (1972-08-01), Seppo
patent: 3807394 (1974-04-01), Attenborough
patent: 3862631 (1975-01-01), Austin
patent: 3900025 (1975-08-01), Barnes, Jr.
patent: 4187841 (1980-02-01), Knutson
Michell Robert W.
Shedd C. W.
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