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Method and apparatus for supporting and for supplying therapy to a patient

  • US 5,983,429 A
  • Filed: 09/23/1998
  • Issued: 11/16/1999
  • Est. Priority Date: 02/15/1994
  • Status: Expired due to Fees
First Claim
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1. A bed comprising:

  • a bed frame;

    a support plate assembly mounted to said bed frame, said support plate assembly includes a plurality of plate sections wherein at least three sections are connected such that two generally transverse articulation points are formed to facilitate articulation of said plates;

    a first pair of longitudinally extending, controllably inflatable air bags coupled to said plate assembly, said first longitudinal pair of bags laterally offset from one another and extending generally parallel along a first portion of the longitudinal length of said support plate assembly, one of said longitudinally extending bags is controllably inflatable generally independently of the other longitudinally extending bag of said first pair;

    a second pair of longitudinally extending, controllably inflatable air bags coupled to said support plate assembly, said second longitudinal pair of bags laterally offset from one another and extending generally parallel and longitudinally offset from said first pair of longitudinal bags along a second portion of the longitudinal length of said support plate assembly, one of said second pair of longitudinally extending bags is controllably inflatable generally independently of the other longitudinally extending bag of said second pair;

    a support layer positioned generally above said first and second pairs of longitudinal bags, said support layer including a plurality of controllably inflatable, transverse air bags, said transverse bags being grouped into a plurality of independently controllable pressure zones; and

    a control assembly attached to the bed frame and operable to supply air selectively to said longitudinally extending bags and transverse bags to provide the patient at least one of a plurality of modes, said modes including a laterally rotating mode and a percussive mode.

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