A - Human Necessities – 61 – H
Patent
A - Human Necessities
61
H
A61H 1/02 (2006.01) A63B 23/14 (2006.01)
Patent
CA 2244358
A therapeutic wrist rotator provides for the passive rotation of the wrist of a user of the device for rehabilitation of the wrist after injury or disease. The device includes a case which is adapted to be immovably affixed to a stationary object in order to resist the forces applied during use. The case includes an electric motor driving a reduction drive to provide relatively slow rotational speed and relatively high torque to an output shaft. The output shaft includes a handgrip extending therefrom. On/off and rotational direction switches are provided to control the operation of the device, which may be powered by conventional alternating current or by one or more batteries. A protractor dial surrounding the output shaft provides an indication of the rotation achieved during use of the device, and a pair of indicators provides an indication of the maximum rotational movement in both clockwise and counterclockwise directions. The device is used by gripping the handgrip and activating the switches to cause the output shaft and handgrip to rotate slowly in the desired direction. The device may be shut off or the direction of rotation reversed as desired. In the event that excessive rotation occurs, the user may merely release the handgrip. Rehabilitation progress may be measured by noting the maximum position of the indicators following each session of use.
Baker Edwin L.
Mcfadden Fincham
LandOfFree
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