Method of locating ultrasound-powered nerve stimulators.

Daniel W. Gulick, Bruce C. Towe

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


We have previously shown a small simple ultrasound-powered nerve stimulator. The piezoelectric implant receives power from an external driving ultrasound transducer. Focusing the ultrasound beam improves power transfer efficiency, but the implant location must be known to aim the focus. We show that currents driven by the stimulator might be detectable on the skin. By scanning the ultrasound focus and measuring the electrical response, we form an image of the implant location. This could give a feedback signal for aiming the beam, and allow multichannel addressing of several stimulators with no added circuitry in the implant.

Original languageEnglish (US)
Pages (from-to)887-890
Number of pages4
JournalConference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference
StatePublished - 2012
Externally publishedYes

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Signal Processing
  • Biomedical Engineering
  • Health Informatics


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