Patient support with orientation sensitive air bladder control
First Claim
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1. A patient support comprising:
- a cover,an air permeable first support layer located within the cover,an air supply coupled to the first support layer,a second support layer located beneath the first layer, the second layer including a head zone and a seat zone,a first sensing assembly located beneath the head zone,a second sensing assembly located beneath the seat zone, anda controller to receive signals from the first and second sensing assemblies and determine whether the patient support is occupied by a patient and adjust air flow through the air permeable first layer based on the signals received from the first and second sensing assemblies, wherein the controller signals the air supply to increase air flow through the first support layer if the controller determines that the patient support is occupied.
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Abstract
This disclosure describes a patient support having an air permeable layer, a plurality of inflatable bladders, a pressure-sensing assembly and a controller. In one embodiment, a combination of transverse bladders and vertically oriented can-shaped bladders is provided. In one embodiment, one or more angle sensors are provided in articulatable sections of the patient support.
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Citations
20 Claims
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1. A patient support comprising:
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a cover, an air permeable first support layer located within the cover, an air supply coupled to the first support layer, a second support layer located beneath the first layer, the second layer including a head zone and a seat zone, a first sensing assembly located beneath the head zone, a second sensing assembly located beneath the seat zone, and a controller to receive signals from the first and second sensing assemblies and determine whether the patient support is occupied by a patient and adjust air flow through the air permeable first layer based on the signals received from the first and second sensing assemblies, wherein the controller signals the air supply to increase air flow through the first support layer if the controller determines that the patient support is occupied. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A patient support comprising:
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a cover, an air permeable first support layer located within the cover, an air supply coupled to the first support layer, a second support layer located beneath the first layer, the second layer including a heat zone and a seat zone, a first sensing assembly located beneath the head zone, a second sensing assembly located beneath the seat zone, and a controller to receive signal from the first and second sensing assemblies and determine whether the patient support is occupied by a patient and adjust air flow through the air permeable first layer based a the signals received from the first and second sensing assemblies, wherein the controller signals the air supply to decrease air flow through the first support layer if the controller determines that the patient support is not occupied. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification