Pelvic disruption reduction enabling device

Details Pelvic disruption reduction enabling device Pelvic disruption reduction enabling device

1987-09-21

1989-03-28

Hafer, Robert A.

Surgery

Truss

Perineal

128 92ZZ, 128 92ZM, A61F 504

Patent

active

048154555

ABSTRACT:
A device for enabling substantially-anatomic reduction of a posteriorly uable pelvic disruption, as of a fracture or dislocation of the posterior pelvis. The device is adapted to enable secure fixation thereof to the posterior pelvic disruption. It is further adapted to enable fine adjustment of the alignment and fit of the disrupted surfaces, operable from a position externally of the patient's body, and to retain the united positions of the disrupted surfaces, for substantially-anatomically reducing the posteriorly unstable pelvic disruption. The device includes a plurality of tapper threaded pins, each adapted to be tapped into the outer cortices of the posterior pelvic bone at a location proximate the site of the posterior pelvic disruption. The device further includes a frame, adapted to enable the tapper threaded pins to be connected thereto for interconnection thereof, and mechanisms adapted to enable externally operable fine adjustment of the frame in a plurality of planes. The mechanisms of the frame are operable to apply compressive force, through the tapper threaded pins, connected to such mechanisms and securely affixed to the posterior pelvis, to the pelvic disruption surfaces, to compress and unite such surfaces into close well-fitting substantially anatomic engagement, and to retain the aligned and united positions of the disrupted surfaces.

REFERENCES:
patent: 2391537 (1945-12-01), Anderson
patent: 3990438 (1976-11-01), Pritchard
patent: 4098269 (1978-07-01), Jodet
patent: 4135505 (1979-01-01), Day
patent: 4456005 (1984-06-01), Lichty
patent: 4485542 (1984-12-01), Helland
patent: 4628922 (1986-12-01), Dewar
patent: 4662365 (1987-05-01), Gotzen et al.

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