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Positional feedback system for medical mattress systems

  • US 5,611,096 A
  • Filed: 05/09/1994
  • Issued: 03/18/1997
  • Est. Priority Date: 05/09/1994
  • Status: Expired due to Term
First Claim
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1. An apparatus for determining the angular position of a patient lying on a flexible mattress with respect to the direction of gravitational force:

  • a patient support including a flexible mattress, the mattress having a surface oriented relative to a patient supporting layer of the mattress;

    an angle sensor having output responsive to changes in said angle sensor'"'"'s position relative to the direction of gravitational force, said sensor being mounted to said surface of said mattress; and

    means for measuring the angle of said sensor in response to the output of said sensor.

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