Remote detection of gastroesophageal reflux using an impedance and pH sensing transponder

Hung Cao, Vaibhav Landge, Shreyas Thakar, Smitha Rao, Lun Chen Hsu, Shou Jiang Tang, Stuart Spechler, H. Fred Tibbals, J. C. Chiao

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

6 Citations (Scopus)

Abstract

In this work, we developed a dual-sensor system to monitor the symptoms in gastroesophageal reflux disease (GERD). The system consists of an implantable transponder and an external reader. The passive telemetry for signal transduction is based on an inductive link between two coil antennas. The reader supplies radio frequency power, obtains and stores the backscattered sensory data. The dual-sensor transponder detects both impedance and pH changes associated with the gastroesophageal reflux episodes and sends load-modulated signals back. Bench-top experiments were conducted to examine the robustness of the wireless transponding system. Preliminary in vivo experiments were conducted with a live pig. Our dual-sensor transponder system has successfully demonstrated its capability for effective GERD symptom monitoring.

Original languageEnglish (US)
Title of host publicationIEEE MTT-S International Microwave Symposium Digest
DOIs
StatePublished - 2012
Event2012 IEEE MTT-S International Microwave Symposium, IMS 2012 - Montreal, QC, Canada
Duration: Jun 17 2012Jun 22 2012

Other

Other2012 IEEE MTT-S International Microwave Symposium, IMS 2012
CountryCanada
CityMontreal, QC
Period6/17/126/22/12

Fingerprint

transponders
Transponders
impedance
readers
sensors
Sensors
Signal transduction
swine
telemetry
Telemetering
seats
Telecommunication links
radio frequencies
coils
antennas
Experiments
Antennas
Monitoring

Keywords

  • Dual-sensor
  • GERD
  • Impedance sensor
  • Passive telemetry
  • pH sensor
  • Wireless sensor system

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Radiation
  • Condensed Matter Physics

Cite this

Cao, H., Landge, V., Thakar, S., Rao, S., Hsu, L. C., Tang, S. J., ... Chiao, J. C. (2012). Remote detection of gastroesophageal reflux using an impedance and pH sensing transponder. In IEEE MTT-S International Microwave Symposium Digest [6259359] https://doi.org/10.1109/MWSYM.2012.6259359

Remote detection of gastroesophageal reflux using an impedance and pH sensing transponder. / Cao, Hung; Landge, Vaibhav; Thakar, Shreyas; Rao, Smitha; Hsu, Lun Chen; Tang, Shou Jiang; Spechler, Stuart; Tibbals, H. Fred; Chiao, J. C.

IEEE MTT-S International Microwave Symposium Digest. 2012. 6259359.

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

Cao, H, Landge, V, Thakar, S, Rao, S, Hsu, LC, Tang, SJ, Spechler, S, Tibbals, HF & Chiao, JC 2012, Remote detection of gastroesophageal reflux using an impedance and pH sensing transponder. in IEEE MTT-S International Microwave Symposium Digest., 6259359, 2012 IEEE MTT-S International Microwave Symposium, IMS 2012, Montreal, QC, Canada, 6/17/12. https://doi.org/10.1109/MWSYM.2012.6259359
Cao H, Landge V, Thakar S, Rao S, Hsu LC, Tang SJ et al. Remote detection of gastroesophageal reflux using an impedance and pH sensing transponder. In IEEE MTT-S International Microwave Symposium Digest. 2012. 6259359 https://doi.org/10.1109/MWSYM.2012.6259359
Cao, Hung ; Landge, Vaibhav ; Thakar, Shreyas ; Rao, Smitha ; Hsu, Lun Chen ; Tang, Shou Jiang ; Spechler, Stuart ; Tibbals, H. Fred ; Chiao, J. C. / Remote detection of gastroesophageal reflux using an impedance and pH sensing transponder. IEEE MTT-S International Microwave Symposium Digest. 2012.
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