Surgery – Truss – Perineal
Patent
1979-12-31
1981-03-24
Yasko, John D.
Surgery
Truss
Perineal
128 84C, A61H 102
Patent
active
042574102
ABSTRACT:
A traction device includes a pulley wheel and axle and a frame for adjustably supporting the axle including a U-shaped frame having a first central sleeve parallel with the side legs of the U, a horizontal support member slidably received in the first sleeve, a second sleeve at an end of the horizontal support for receiving a vertical support member having the pulley at the top. L-shaped braces pass through the ends of the side legs to form clamping members with the side legs. Square tubular members of two sizes are used to form the frame.
REFERENCES:
patent: 2186036 (1940-01-01), Peachey
patent: 2550983 (1951-05-01), Ettinger
patent: 2638091 (1953-05-01), Varco
patent: 2718886 (1955-09-01), Sutton
patent: 3063445 (1962-11-01), Ries
patent: 3086519 (1963-04-01), Pari
patent: 3826490 (1974-07-01), Mossman
patent: 3856003 (1974-12-01), Pfluger
patent: 4181125 (1980-01-01), Carlson
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