Beds – Bedclothing – And means to facilitate changing thereof
Patent
1992-06-16
1994-07-05
Trettel, Michael F.
Beds
Bedclothing
And means to facilitate changing thereof
5450, 5469, 5481, A61G 704
Patent
active
053255518
ABSTRACT:
A mattress unit for retarding the development of decubitus ulcers includes a fabric cover having therein a foam material, and includes an inflatable bladder and a control unit disposed within openings in the foam material. The inflatable bladder contains a foam material having spaced holes in it. The control unit includes a pump which can selectively supply pressurized air to the bladder, a valve which can selectively bleed air from the bladder, and a pressure sensor which can determine the current pressure in the bladder. The pressure sensor is coupled to an input of a control circuit which controls the pump and valve. The control circuit receives power from an AC/DC converter and is remotely controlled by a hand-held pendant, the converter and pendant each being physically separate from the mattress unit and being connected to the control circuit by respective cables.
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Hopper Christopher J.
Tappel James G.
Travis Stephen C.
Stryker Corporation
Trettel Michael F.
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