Development of an Implanted RFID Impedance Sensor for Detecting Gastroesophageal Reflux

Author

Ativanichayaphong, T. ; Wang, J. ; Huang, W.-D. ; Rao, S. ; Tibbals, H.F. ; Tang, S.-J. ; Spechler, S.J. ; Stephanou, H. ; Chiao, J.C.

Author_Institution

Univ. of Texas, Arlington

fYear

2007

fDate

26-28 March 2007

Firstpage

127

Lastpage

133

Abstract

A new method to detect gastroesophageal reflux is presented. Based on passive RFID principles, the impedance of the refluxate can be determined. We have designed and fabricated planar coils integrated with electrodes on flexible substrates using standard photolithography processes. The device can be implanted in the esophagus using currently available clinical techniques. In vitro experiments with simulated stomach acid were conducted. An approach to integrate the sensor with RFID systems is proposed. This device can help diagnose gastroesophageal reflux disease effectively.

Keywords

bioelectric phenomena; biomedical measurement; catheters; diseases; electric impedance measurement; electric sensing devices; patient diagnosis; photolithography; radiofrequency identification; catheter; disease diagnosis; esophagus; flexible substrates; gastroesophageal reflux detection; implanted passive RFID impedance sensor; in vitro experiments; integrated planar coil fabrication; photolithography processes; stomach acid; Coils; Electrodes; Esophagus; Impedance; In vitro; Lithography; Passive RFID tags; Radiofrequency identification; Sensor systems; Stomach;

fLanguage

English

Publisher

ieee

Conference_Titel

RFID, 2007. IEEE International Conference on

Conference_Location

Grapevine, TX

Print_ISBN

1-4244-1013-4

Electronic_ISBN

1-4244-1013-4

Type

conf

DOI

10.1109/RFID.2007.346160

Filename

4143521