People permanently confined to bed can develop bed sores. New smart cushioning is intended to eliminate the discomforts of lying and sitting. An integrated sensor system equalizes pressure selectively.
Anyone confined to a wheelchair or a bed has to deal with numerous complications. Frequently, they suffer from bedsores or decubitus ulcers as physicians call them. Bony prominences, such as the sacrum, coccyx and ischium, are especially endangered spots. Unrelieved pressure can lead to tissue necrosis. Damage can extend into the periosteum and, at the worst, into bones themselves. The ulcers are entryways for germs, which can trigger sepsis.
While hitherto available passive aids such as air, gel or vacuum cushions relieve pressure, they do not relieve the affected area optimally. Some patients are also unable to actively control the distribution of pressure and alleviate their own suffering. They are dependent on others for help. Personal care assistants or family caregivers must constantly keep an eye out for the formation of pressure ulcers.
A newly developed sensor mat will take over this job in the future and thus prevent tissue damage: researchers at the Fraunhofer Institute for Factory Operation and Automation IFF in Magdeburg are endowing textile cushions with the capability to “feel” by outfitting them with smart sensor systems.
http://www.rdmag.com/News/2011/12/Life-Science-Test-Measurement-Sensor-Mat-helps-prevent-bed-sores/
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