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SmartHand tactile display: a new concept for providing sensory feedback in hand prostheses

Publiceringsår: 2010
Språk: Engelska
Sidor: 50-53
Publikation/Tidskrift/Serie: Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery
Volym: 44
Dokumenttyp: Artikel
Förlag: Informa Healthcare, Taylor & Francis AS


A major drawback with myoelectric prostheses is that they do not provide the user with sensory feedback. Using a new principle for sensory feedback, we did a series of experiments involving 11 healthy subjects. The skin on the volar aspect of the forearm was used as the target area for sensory input. Experiments included discrimination of site of stimuli and pressure levels at a single stimulation point. A tactile display based on digital servomotors with one actuating element for each of the ␣ve ␣ngers was used as a stimulator on the forearm. The results show that the participants were able to discriminate between three ␣ngers with an accuracy of 97%, between ␣ve ␣ngers with an accuracy of 82%, and between ␣ve levels with an accuracy of 79%. The tactile display may prove a helpful tool in providing amputees with sensory feedback from a prosthetic hand by transferring tactile stimuli from the prosthetic hand to the skin at forearm level.



  • Medicine and Health Sciences
  • haptic perception
  • hand prosthesis
  • Sensory feedback


  • Lund University Cognitive Science (LUCS)
  • ISSN: 0284-4311

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