PATIENT SUPPORT
First Claim
1. A mattress, comprisinga cover having a top portion and a bottom portion spaced from the top portion, the top portion and the bottom portion defining an interior region, the interior region comprisinga resilient, breathable three-dimensional fabric,a plurality of inflatable zones, each zone comprising at least one air bladder, at least one of the zones comprising a plurality of vertical air cells positioned across a width of the mattress,a sensor pad configured to sense force applied to the mattress, anda pneumatic box defining an inner region, the inner region of the pneumatic box comprising a multiplexer electrically coupled to the sensor pad and to a microprocessor, a valve assembly electrically coupled to the microprocessor, the valve assembly comprising a plurality of valves in fluid communication with each of the inflatable zones.
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0 Petitions
Accused Products
Abstract
This disclosure describes a mattress having a plurality of vertically-oriented inflatable bladders and a pneumatic box located inside the mattress. In one embodiment, the patient support includes a plurality of pressure sensors positioned underneath the bladders. In still another embodiment, the patient support includes one or more filler portions that are selectable so that the patient support may conform to bed frames having different deck configurations.
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Citations
20 Claims
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1. A mattress, comprising
a cover having a top portion and a bottom portion spaced from the top portion, the top portion and the bottom portion defining an interior region, the interior region comprising a resilient, breathable three-dimensional fabric, a plurality of inflatable zones, each zone comprising at least one air bladder, at least one of the zones comprising a plurality of vertical air cells positioned across a width of the mattress, a sensor pad configured to sense force applied to the mattress, and a pneumatic box defining an inner region, the inner region of the pneumatic box comprising a multiplexer electrically coupled to the sensor pad and to a microprocessor, a valve assembly electrically coupled to the microprocessor, the valve assembly comprising a plurality of valves in fluid communication with each of the inflatable zones.
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13. A mattress system, comprising
a mattress comprising a cover defining an interior region, the interior region comprising a layer of resilient, breathable three-dimensional fabric, a plurality of inflatable zones, each zone comprising at least one air bladder, at least one of the zones comprising a plurality of vertical air cells positioned across a width of the mattress, a sensor pad to sense force applied to the mattress, and a pneumatic box defining an inner region, the inner region of the pneumatic box comprising a multiplexer electrically coupled to the sensor pad and to a microprocessor, a valve assembly electrically coupled to the microprocessor, the valve assembly comprising a plurality of valves in fluid communication with each of the inflatable zones, a control unit spaced from the mattress, the control unit comprising a user input device, a display, and an air supply, a first air line coupling the air supply to the layer of resilient, breathable three-dimensional fabric, a second air line coupling the air supply to the pneumatic box, and an electrical line coupling the control unit to the pneumatic box.
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17. A pneumatic system for a mattress, comprising:
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a box comprising a base and a cover removably coupled to the base, the base and the cover defining an inner region, the inner region comprising a multiplexer configured to receive sensor signals from a sensor pad located in the mattress and to receive control signals from a control unit located outside the mattress, an air control circuit board in two-way electrical communication with the multiplexer, and a plurality of air control valves coupled to the air control circuit board, and a fastener coupled to the box to releasably couple the box to an interior portion of a mattress. - View Dependent Claims (18, 19, 20)
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Specification