Feedback control system to reduce the risk of pressure sores

Details Feedback control system to reduce the risk of pressure sores Feedback control system to reduce the risk of pressure sores

A - Human Necessities

61

G

A61G 7/057 (2006.01) A61G 5/10 (2006.01)

Patent

CA 2497143

There is provided herein a support surface such as a bed or chair which contains a network of inelastic straps, the tension in each of which can be independently sensed and adjusted under control of an electronic monitor. Preferably, each strap will contain a plurality of sensors to allow an attached electronic monitor (preferably one with a microprocessor) to determine in real time the amount of pressure (or the duration of the pressure) applied to each strap. Based on that information, the attached monitor will periodically loosen or tighten the straps as needed to move support for the patient's body away from current pressure points. In one preferred arrangement, each strap will preferably be loosened or tightened through the use of a worm gear drive or similar mechanical motor.

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