Surgery – Truss – Perineal
Patent
1987-07-02
1989-04-25
Hafer, Robert A.
Surgery
Truss
Perineal
128 92ZY, 128 92ZW, A61F 504
Patent
active
048237817
ABSTRACT:
A method and apparatus to percutaneously reduce a bone fracture and to maintain reduction during percutaneous, limited open, or open fixation of the fracture. The apparatus comprises a movable part threadably engaged with a fixed part. The fixed part of the apparatus attaches to a rigid frame surrounding the site of the fracture. A surgical pin is threaded into a bone fragment and secured to the moveable part of the apparatus. Additional pins are threaded into the bone and rigidly secured to the frame. The apparatus allows controlled axial movement of the pin relative to the frame. A medical procedure employs this apparatus to accurately reduce a fracture percutaneously while percutaneous or limited open fixation is performed.
REFERENCES:
patent: 2055024 (1936-09-01), Bittner, Jr.
patent: 2250417 (1941-07-01), Ettinger
patent: 2391537 (1945-12-01), Anderson
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patent: 4135505 (1979-01-01), Day
patent: 4273116 (1981-06-01), Chiquet
patent: 4360012 (1982-11-01), McHarrie
patent: 4365624 (1982-12-01), Jaquet
patent: 4488542 (1984-12-01), Helland
patent: 4628921 (1986-12-01), Rousso
patent: 4628922 (1986-12-01), Dewar
Hafer Robert A.
Rooney Kevin G.
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