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Restrained patient excessive movement indicating safety device

Image Number 3 for United States Patent #4417572.

Disclosed is an apparatus which includes a moveable, switch-actuating member secured to the strap or belt of a conventional harness restraining a bed patient. The apparatus accommodates the conventional nurse-call push-button switch and the switch is actuated by the moveable member whenever patient movement of abnormal amplitude exerts a sufficient tensional force on the harness. A compression spring is adjustable to determine the force necessary to actuate the switch.

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