Therapeutic device

Details Therapeutic device Therapeutic device

1976-09-20

1978-07-11

Michell, Robert W.

Surgery

Truss

Perineal

128 78, 128DIG23, A61F 501

Patent

active

040995232

ABSTRACT:
A therapeutic device for applying controlled traction to the neck or lower back of a patient is disclosed. The device includes a pair of relatively rigid, hollow members telescopingly engaging each other. A bladder for the reception of air or other fluid is disposed within the members. The bladder has a stem to permit it to be filled with fluid to a controlled pressure. The fluid pressure acts on the sections tending to cause them to separate axially, but the rigid material prevents radial expansion. Thus, the device provides a controlled amount of traction in an axial direction without a choking radial component.

REFERENCES:
patent: 1589670 (1926-06-01), Vartia
patent: 1986273 (1935-01-01), Leffingwell
patent: 3075521 (1963-01-01), Grassl
patent: 3285244 (1966-11-01), Cottrell

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