Low-cost sensor insoles can detect risk of diabetic foot ulcers

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Sumary of Low-cost sensor insoles can detect risk of diabetic foot ulcers:

  • © iStock/Jan-Otto A new low-cost method, using 3D-printed structures, has been developed by scientists to help prevent diabetic foot ulcers..
  • Researchers from the Centre for Biomechanics and Rehabilitation Technologies (CRBT) at Staffordshire University have discovered a way to reliably detect the risk of foot ulcers developing, without the need for complex electronic in-shoe sensors..
  • “Routine overloading of the sole of the foot during daily activities can trigger the onset of foot ulcers, so being able to identify which areas in the sole of the foot are most affected is extremely important.”.
  • Currently, a common method of detecting and treating foot ulcers involves assessing plantar pressure to prescribe special footwear or insoles..
  • 3D printed structures Dr Chatzistergos and colleagues developed a novel concept which uses 3D-printed, tuneable structures to help clinicians better understand the cause of ulcer development and lead to improved patient outcomes..
  • We have used a 3D-printed thin-wall structure that changes its properties when repeatedly loaded above or below a tuneable threshold..
  • During the analysis of the sensor-insole, plantar areas that were routinely subjected to higher pressures should be identifiable, against those where pressure was below that threshold..
  • “Plantar pressure assessment is common amongst clinical practice and it contributes to insoles and footwear prescription…

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