Patent ID: 7444704
Filing Date: 2008-11-04
Classification: A61G,G16H

Abstract:
1. A patient support system to control support of a patient, comprising: a mattress having a number of inflatable chambers; a number of transmitters positioned proximal a surface of the number of inflatable chambers; a number of receivers positioned proximal a surface of the number of inflatable chambers; and a network having a number of controller area network (CAN) nodes in communication with each other and to the number of transmitters and the number of receivers, wherein the number of inflatable chambers of the mattress includes: a head section having a first inflatable chamber; a body section having a second inflatable chamber interleaved with a third inflatable chamber; and a foot section having a fourth inflatable chamber interleaved with a fifth inflatable chamber, wherein each of the head, body, and foot sections have at least one control valve coupled thereto, and wherein one of the number of transmitters is paired with one of the number of receivers, at least one pair associated with at least one inflatable chamber, each pair configured to transmit and receive light energy in a staggered configuration, the staggered configuration characterized by each pair transmitting and receiving light energy at substantially the same time in alternating chambers, such that pairs in adjacent chambers are not transmitting and receiving light energy at substantially the same time.