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Wheelchair cushions are cushions specifically designed to provide comfort and protection against injury for wheelchair users. They also aid in properly positioning the user in the correct posture. Wheelchair users are at great risk for pressure sores. [1] A number of factors are included in the formation of these ulcers including:
Pressure ulcers can trigger other ailments, cause considerable suffering, and can be expensive to treat. Some complications include autonomic dysreflexia, bladder distension, bone infection, pyarthrosis, sepsis, amyloidosis, anemia, urethral fistula, gangrene and very rarely malignant transformation (Marjolin's ulcer – secondary carcinomas in chronic wounds).
Currently, he is the director of the Seating and Soft Tissue Biomechanics Laboratory, and continues to actively pursue research and development in the areas of wheelchair cushions, pressure sore and ulcer prevention, soft tissue biomechanics, telerehabilitation technology and wheelchair technology. [4]
Prior to 1970, little was known about the effectiveness of wheelchair cushions and there was not a clinical method of evaluating wheelchair seat cushions. Most recently, pressure imaging (or pressure mapping) is used to help determine each individual's pressure distribution to properly determine and fit a seating system. [35] [36] [37]
Donut pillow, donut cushion or doughnut cushion is a designation for different types of pillows, all named after the shape of the pastry donut.There are donut pillows as seat cushions, which serve a more favourable distribution of pressure on the abdomen, as well as donut pillows to place under other parts of the body when lying down.
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