Surgery – Truss – Perineal
Patent
1975-01-27
1976-01-13
Michell, Robert W.
Surgery
Truss
Perineal
A61F 300
Patent
active
039318176
ABSTRACT:
A pediatric device to control, within selected limits, the extent that a child can twist his feet. As an advance over known, generally similar devices, the traverse-limits are embodied on components which have intermeshing teeth. As a consequence, the teeth not only hold the components in relative positions, but very minute and accurate position adjustments can be made therebetween, by merely changing the teeth that establish the engagement. If desired, the positional change can be as small as the pitch of a single tooth.
REFERENCES:
patent: 2702542 (1955-02-01), Gessel
patent: 2804070 (1957-08-01), Faulkner
patent: 2920620 (1960-01-01), Rogers
patent: 3109424 (1963-11-01), Brachman
patent: 3699954 (1972-10-01), Craig
patent: 3777747 (1973-12-01), Freidman
Michell Robert W.
Yasko J.
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