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Hospital bed obstacle detection device and method

  • US 8,258,944 B2
  • Filed: 12/31/2008
  • Issued: 09/04/2012
  • Est. Priority Date: 04/19/2002
  • Status: Active Grant
First Claim
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1. A patient support apparatus comprising:

  • a base frame;

    an elevating frame disposed in spaced relation to said base frame;

    a lifting device configured to move said elevating frame relative to said base frame;

    an emitter coupled to one of said base frame and said elevating frame, said emitter being configured to generate a wireless signal, wherein said wireless signal generated by said emitter comprises an infrared light optical curtain positioned intermediate said base frame and said elevating frame; and

    a receiver coupled to one of said base frame and said elevating frame, said receiver associated with said emitter and configured to detect said wireless signal.

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