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Electronic System Design for a Next-generation Laser-driven Portable Photodynamic Therapy Medical Device

  • Eric Yeh
  • , Joseph Harling
  • , Sean Spencer
  • , Tayyaba Hasan
  • , Jonathan P. Celli
  • , Filip Cuckov
  • Wentworth Institute of Technology
  • Harvard University

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Photodynamic Therapy (PDT) is a promising method for treating oral cancer using photosensitizers in conjunction with a moderately powered red light. As oral cancer tends to be more prevalent in rural and remote areas of the developing world, a portable treatment device with a robust power system is needed to properly service such areas. The device should operate without stable or guaranteed power infrastructure. This paper describes the electronic circuit design of an updated PDT medical device centered around a laser, rather than a light-emitting diode used in previous prototypes. The system features a microcontroller interfaced with a current driver, touch screen, safety interlocks, power switchover board, and battery. Users will be able to control, administer, and maintain treatment even in the event of a power outage, or while operating in the field. The system was tested, and the results show that power to the laser is stable through power switchover.

Original languageEnglish
Title of host publicationBioCAS 2022 - IEEE Biomedical Circuits and Systems Conference
Subtitle of host publicationIntelligent Biomedical Systems for a Better Future, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages482-485
Number of pages4
ISBN (Electronic)9781665469173
DOIs
StatePublished - 2022
Event2022 IEEE Biomedical Circuits and Systems Conference, BioCAS 2022 - Taipei, Taiwan, Province of China
Duration: Oct 13 2022Oct 15 2022

Publication series

NameBioCAS 2022 - IEEE Biomedical Circuits and Systems Conference: Intelligent Biomedical Systems for a Better Future, Proceedings

Conference

Conference2022 IEEE Biomedical Circuits and Systems Conference, BioCAS 2022
Country/TerritoryTaiwan, Province of China
CityTaipei
Period10/13/2210/15/22

ASJC Scopus Subject Areas

  • Artificial Intelligence
  • Signal Processing
  • Biomedical Engineering
  • Electrical and Electronic Engineering
  • Neuroscience (miscellaneous)
  • Instrumentation

Keywords

  • circuit design
  • electronics
  • medical device
  • Oral cancer
  • photodynamic therapy

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