Georgia Tech is reporting that its scientists at the university’s Center for Assistive Technology and Environmental Access (CATEA) developed a handheld low-cost technology to scan any surface for abnormalities. The investigators were actually working on a system that can empower “front line clinicians with no specialized training to detect and assess, in real-time, the severity of bruises and erythema, regardless of patient skin pigmentation or available lighting.” Now the hope is that such a system can be used for detection and characterization of such things as melanoma, other forms of skin CA, or decubitus ulcers.
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Researchers at Georgia Tech have developed a narrowband filter mosaic that will expand the uses and functionality of multispectral imaging—a technology that enables subsurface characterization…
In addition to this application, the filter could potentially offer a reliabile, low-cost method to instantaneously classify military targets, sort produce, inspect product quality in manufacturing, detect contamination in foods, perform remote sensing in mining, monitor atmospheric composition in environmental engineering and diagnose early stage cancer and tumors.
The technology was developed in Georgia Tech’s Center for Assistive Technology and Environmental Access (CATEA) as part of a project to design a portable erythema and bruise-detection technology that will enhance early prevention and diagnosis of pressure ulcers, a secondary complication for people with impaired mobility and sensation.
Currently, clinical assessment of bruises is subjective and unreliable, especially when on persons with darkly pigmented skin. Improved imaging can lead to earlier intervention which is vital in cases of suspected physical abuse. Similarly, early detection of erythema can trigger preventive care that can stop progression into pressure ulcers.
Pressure ulcers are a serious secondary complication for people with impaired mobility and sensation. Annual Medicare spending is conservatively approximated at $1.34 billion for the treatment of pressure ulcers. Early detection of erythema can prevent progression into more serious Stage III or Stage IV pressure ulcers.
The filter mosaic can be conveniently laminated with imaging sensors used in digital cameras. With a patent pending, CATEA researchers are currently seeking collaborative or financial support to further develop and design the device.
“Although multispectral imaging has matured into a technology with applications in many fields, clinicians and practitioners in these fields have generally stayed away from it due to extremely high costs and lack of portability,” said Dr. Stephen Sprigle, director of CATEA and professor of industrial design and human physiology. “Now, the possibilities are plentiful.”
Press release: New Technology Puts Biomedical Imaging in Palm of Hands…
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