Passive heating pad

Details Passive heating pad Passive heating pad

1985-04-04

1989-05-23

Pinkham, Richard C.

Surgery

Truss

Pad

273 29A, 128DIG20, 128403, A63B 6100, A61F 708

Patent

active

048320315

ABSTRACT:
A method and device for the prevention of and the treatment for epicondylalgia externa, popularly known as tennis elbow. The method involves the absorption and dissipation of the vibrational shocks caused by the off-center hitting of a tennis ball during pronation and supination of the wrist. The device employs a vibration absorbing pad covering either the extensor or flexor muscles of the forearm. The pad is tightly located against the said muscles by means of an elastic tube from the wrist area to the elbow. An elastic strap, located outside the aforementioned tube around the largest diameter of the forearm and fastened by velcro or like fasteners, is an additional member for maintaining the pad in close contact with the arm surface. The aforementioned pad, shaped to conform with the extensor or flexor muscle in the forearm, is filled with a viscous fluid or semi-fluid which will flow enough to maintain a close contact with the muscle from wrist to elbow. The viscous fluid absorbs the surface vibrations caused by the off-center striking of a ball with a racquet. The pad also may be employed as a passive heating pad for the heat treatment of muscle tissue. In this embodiment, the viscous material has a thermal conductivity of less than 0.1 W/(m..degree. C).

REFERENCES:
patent: 1549510 (1925-08-01), Schnitzler
patent: 2467447 (1949-04-01), Strezoff
patent: 3212497 (1965-10-01), Dickinson
patent: 3463161 (1969-08-01), Andrassy
patent: 3548819 (1970-12-01), Davis
patent: 3561435 (1971-02-01), Nicholson
patent: 3785375 (1974-01-01), Lipson

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