Surgery – Truss – Perineal
Patent
1976-10-26
1978-01-24
Trapp, Lawrence W.
Surgery
Truss
Perineal
128133, 128DIG15, A61B 500
Patent
active
040698130
ABSTRACT:
For use chiefly in arthrography, a strap is looped about the limb above the joint (for example, the knee) to be studied; and the strap loop is adjusted so that an edge grasping member, slide-mounted on the strap, will reach to either edge of the fluoroscopic table. To study the medial side of the joint, the strap loop is extended to the corresponding side of the table edge and hooked over it; then the operator applies a force to the limb below the joint in the direction opposite to that of the strap. So applying stress opens the medial side of the joint, so as to present for radiographic study its cartilages and the menisci between them. To study the lateral side of the joint, the process is reversed. The preferred apparatus used employs an edge-grasping member formed as a double hook, so that when the side toward which the loop is directed is reversed and the edge-grasping members slid along it to grasp the other edge of the fluoroscopic table, the second side of the joint may be studied without moving the loop position relative to the patient's limb and without twisting the strap.
REFERENCES:
patent: 3297026 (1967-01-01), Van Pelt
patent: 3535718 (1970-10-01), Murcott
patent: 3640273 (1972-02-01), Ray
patent: 3939829 (1976-02-01), Spann
Barbier Jean Y.
Trapp Lawrence W.
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