Digital traction system

Details Digital traction system Digital traction system

1991-06-06

1993-03-09

Hafer, Robert A.

Surgery

Body protecting or restraining devices for patients or infants

Restrainers and immobilizers

602 5, 602 21, 602 22, A61F 504

Patent

active

051919036

ABSTRACT:
An axial digital traction system is disclosed in a hand application. A traction plate is anchored close to the base of the fingers or metacarpophalangeal joints by a hook and loop type fabric fastener, such as that sold under the trademark "VELCRO" connecting the traction plate to a fingerless glove-like anchoring member worn by the patient. Tension elements fastened to the traction plate are trained over rollers at the end of the plate and connected to finger traps which grip the patient's fingers. An alternative traction plate arrangement facilitates treatment of individual digits and provides for greater range of independent articulation of an mcp joint while under treatment.

REFERENCES:
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patent: 2237251 (1938-12-01), Longfellow
patent: 2438144 (1948-03-01), Bunyar, Jr.
patent: 2646794 (1953-07-01), Baer
patent: 3872861 (1975-03-01), Tamney et al.
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patent: 4719906 (1988-01-01), Deprospero
patent: 4741087 (1988-05-01), Plummer, Jr.
patent: 4945902 (1990-08-01), Dorer
patent: 4949711 (1990-08-01), Gyovai et al.
patent: 5027802 (1991-07-01), Donohue
"1989 Orthopedics" catalog, p. B19, Fred Sammons, Inc., Burr Ridge, Ill., 1989.

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