Apparatus for external fixation of bone fractures

Details Apparatus for external fixation of bone fractures Apparatus for external fixation of bone fractures

1984-10-19

1986-02-18

Peshock, Robert

Surgery

Truss

Perineal

128 92A, A61F 504

Patent

active

045706255

ABSTRACT:
A non-rigid bone fracture fixator comprising first and second bone pins for connection either side of a bone fracture and primary and secondary supports clamped to the bone pins by respective fixed and guide clamps. The second support and the guide clamps are connected slidably to the primary support such that the supports may execute a controlled degree of movement with respect to one another. A compression spring is arranged to bias apart the supports longitudinally of a fixated limb. In use the fixator is applied to the limb with the fracture in slight compression. Exercise of the limb then produces varying degrees of fracture compression stimulating bone callus formation and rapid healing. The fixator may include actuating means to provide passive fracture exercise for immobilized patients.

REFERENCES:
patent: 2204266 (1946-06-01), Wilcox
patent: 2333033 (1943-10-01), Mraz
patent: 2391537 (1945-12-01), Anderson
patent: 3977397 (1976-08-01), Kalnberg et al.
patent: 4024860 (1977-05-01), Chenokov et al.
patent: 4187841 (1980-02-01), Knutson
patent: 4220146 (1980-09-01), Cloutier
patent: 4271823 (1981-06-01), Evans et al.
patent: 4502473 (1985-05-01), Harris

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