External compression frame for stabilizing unstable pelvic fract

Details External compression frame for stabilizing unstable pelvic fract External compression frame for stabilizing unstable pelvic fract

1980-06-02

1982-11-30

Thaler, Michael H.

Surgery

Truss

Perineal

128 84B, 128 92R, A61F 504

Patent

active

043611443

ABSTRACT:
An external compression frame for the treatment of fractures of the pelvis comprising four bars so interconnected that they form a trapezoidal square. The frame, positioned in an upright position, comprises two vertical and two horizontal bars, connected to each other with articulations. The vertical two bars extend beyond the fastening points of the square to form the part of the frame which is intended for anchoring of the device into the pelvis. The upper horizontal bar has a predetermined length, whereas the lower horizontal bar is adjustable as to its length. By adjusting the length of the lower bar, the angle between the vertical bars may be regulated in such a way, that compression force is exerted on the pelvis, thereby bringing the fractured detached parts firmly together. The novel and principally characterizing features of the frame construction are the trapezoidal shape, the predetermined undisplaceable attachments of the articulations connecting the bars, and the design of the articulations as glide bearings. The device is thus a ready-mounted external frame, ready for use in the expedient treatment of acute pelvic fractures.

REFERENCES:
patent: 1940054 (1933-12-01), Herrold
patent: 3408676 (1968-11-01), Cayo
patent: 3865105 (1975-02-01), Lode et al.
Injury, "External Fixation of the Pelvic Girdle with a Trapezoid Compression Frame", Par Slatis et al., vol. 7, No. 1, Aug. 1975, pp. 53-56.

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