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Dialog Devices

Dialog Devices find applications for ground breaking opto-electronics research carried out at Loughbrough University. Padd is a 30 Second Test for Peripheral Arterial Disease for use in Primary Care.

Getting to Grips with the Problem

Dialog Devices had a vision to improve the speed and availability of non-invasive assessment of Peripheral Arterial Disease, to prevent heart disease and stroke. The role of GBD was to commercialise the algorithms and early proof-of principle prototypes Dialog had developed. GBD eliminated the need for tests to be carried out by skilled Doppler Ultrasound operators, involving patients having to make expensive and time consuming hospital visits.

Developing the Design

GBD formed a partnership with Sabre Technology, who provide electrical engineering support. Sabre built upon the circuitry developed by Dialog and sourced relevant hardware within budget. The team brought together an advisory network including Peripheral Arterial experts and primary care staff for feedback throughout the project. After proposing various form factors and interfaces, a hand-held touch-screen device was decided upon. The team quickly developed software prototypes for user testing. References were taken from user’s established relationships with mobile electronics devices.

Finding a Solution

The chosen design language communicates the soft and approachable characteristics we believe are important in distinguishing the product. Single use sensors are applied to the patient’s feet which use low power near-infrared light to assess blood volume changes , before and after raising the leg.

Results

  • 50% faster bilateral testing
  • Low-skilled operation
  • Reduces the cost of treatment
  • Can be used in Primary Care
  • Curvaceous form for super-easy cleaning

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