A Wireless Power-Free Pressure Sensor for Real-Time In Vivo Gastrointestinal Pressure Monitoring

Qiang Shi; De Yong Chen; Jun Bo Wang; Kai Kai Bao; Li Juan Liu

doi:10.4028/www.scientific.net/KEM.609-610.993

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 609-610A Wireless Power-Free Pressure Sensor for...

A Wireless Power-Free Pressure Sensor for Real-Time In Vivo Gastrointestinal Pressure Monitoring

Abstract:

A wireless and power-free pressure sensor system capable of real time in vivo gastrointestinal pressure monitoring has been developed. This system contains a sensor unit and a detection unit. Based on mutual inductance detection mechanism, the sensor is featured with simple device structure and therefore low cost. The packaged sensor unit was tested. Results obtained from experiment demonstrated that this sensor has a sensitivity of 0.2115 kHz / kPa within a pressure range-10~30 kPa. The in vivo testing result not only indicates a period of 2 contractions per minute peristalsis of rabbit stomach but also validates the feasibility of this real time wireless gastrointestinal pressure monitoring system.

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Periodical:

Key Engineering Materials (Volumes 609-610)

Pages:

993-996

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.609-610.993

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Online since:

April 2014

Authors:

Qiang Shi, De Yong Chen, Jun Bo Wang*, Kai Kai Bao, Li Juan Liu

Keywords:

Gastrointestinal Pressure, Power-Free, Rabbit Test, Real-Time Monitoring, Wireless Sensor

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* - Corresponding Author

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