Surgery – Truss – Perineal
Patent
1978-04-17
1980-11-18
Michell, Robert W.
Surgery
Truss
Perineal
128165, 128 87R, 128 90, A61F 500
Patent
active
042339677
ABSTRACT:
A knee guard and brace having semi-rigid thigh and calf encasements for the protection of the knee area from the thigh to the calf. The device, other than padding, is made entirely of a plastic material. The brace is lightweight and designed for unusual strength by using an arch at the joint, covering the side of the knee, and a recess in each of the longitudinal support ribs which run parallel to the leg, the recessed portions of the ribs being embodied in the calf and thigh encasements. The encasements are secured to a wearer's leg by straps which are also part of the molding. The straps are perforated to seat over studs which are molded in the encasements. The straps and encasements are molded again at a low temperature to the contour of a user's legs.
REFERENCES:
patent: 3779654 (1973-12-01), Horne
patent: 3799158 (1974-03-01), Gardner
patent: 3817244 (1974-06-01), Taylor
patent: 3906943 (1975-09-01), Arlock
patent: 3958569 (1976-05-01), Vosburgh
The "Nature and Properties of Engineering Materials", 2nd Edition Zbigniew D. Jastrzebski, John Wiley & Sons, New York, 1976, Chart A4, Structures and Properties of Thermoplastics.
Kruter J. L.
Leon Harry I.
Leon Vivian L.
Michell Robert W.
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