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Hospital bed with patient weight and displacement sensors for determining at least one of lateral and longitudinal patient location on a patient support assembly

  • US 9,987,182 B2
  • Filed: 08/02/2017
  • Issued: 06/05/2018
  • Est. Priority Date: 08/27/2014
  • Status: Active Grant
First Claim
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1. A hospital bed comprising:

  • a base;

    a patient support assembly including a frame and a patient support surface supported on the frame, the frame having a pair of longitudinal frame members and at least one transversal frame member extending between the longitudinal frame members;

    an elevation assembly for selectively raising and lowering the patient support assembly relative to the base, the elevation assembly having a lower end connected to the base and an upper end connected to the at least one transversal frame member;

    at least one deformation sensor secured to the longitudinal frame members, said at least one deformation sensor being adapted to generate a signal indicative of a deformation of said longitudinal frame members;

    a location determination unit operatively connected to said at least one deformation sensor for receiving the signal therefrom and for determining at least one of a lateral and longitudinal patient location on the patient support assembly based on said deformation of said longitudinal frame members.

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