Development of a small wireless position and bleeding detection sensor

T. Nagaoka, A. Uchiyama

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

5 Citations (Scopus)

Abstract

Medical capsule devices such as video capsule endoscopes are finding increasing use in clinical applications. At present, technologies capable of measuring capsule position and detecting a bleeding in the digestive tract at the same time have not yet been established. The present study aims to develop a small wireless position and bleeding detection sensor. The sensor position are measured by using the phenomenon of mutual induction and Newton's law. Electromotive forces induced in the sensor are modulated to FM signals using an astable multivibrator, and the signals are passed directly through living tissue at low current and then demodulated by detectors on the surface of the body. A prototype sensor was developed and evaluated in vitro. The sensor was capable of accurately measuring capsule position up to 500 (mm) from the primary coils with an accuracy of 5 (mm), and detecting 0.5 cc blood in 500 cc physiological saline.

Original languageEnglish
Title of host publication2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology
Pages130-131
Number of pages2
Volume2005
DOIs
Publication statusPublished - 2005
Event2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology - Oahu, HI
Duration: 2005 May 122005 May 15

Other

Other2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology
CityOahu, HI
Period05/5/1205/5/15

Fingerprint

Sensors
Multivibrators
Electromotive force
Endoscopy
Blood
Tissue
Detectors

Keywords

  • Biomedical telemetry
  • Bleeding detection
  • Digestive system
  • Position measurement

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Nagaoka, T., & Uchiyama, A. (2005). Development of a small wireless position and bleeding detection sensor. In 2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology (Vol. 2005, pp. 130-131). [1548403] https://doi.org/10.1109/MMB.2005.1548403

Development of a small wireless position and bleeding detection sensor. / Nagaoka, T.; Uchiyama, A.

2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology. Vol. 2005 2005. p. 130-131 1548403.

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

Nagaoka, T & Uchiyama, A 2005, Development of a small wireless position and bleeding detection sensor. in 2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology. vol. 2005, 1548403, pp. 130-131, 2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology, Oahu, HI, 05/5/12. https://doi.org/10.1109/MMB.2005.1548403
Nagaoka T, Uchiyama A. Development of a small wireless position and bleeding detection sensor. In 2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology. Vol. 2005. 2005. p. 130-131. 1548403 https://doi.org/10.1109/MMB.2005.1548403
Nagaoka, T. ; Uchiyama, A. / Development of a small wireless position and bleeding detection sensor. 2005 3rd IEEE/EMBS Special Topic Conference on Microtechnology in Medicine and Biology. Vol. 2005 2005. pp. 130-131
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