Issue 45, 2022, Issue in Progress

Graphene-based strain sensor with sandwich structure and its application in bowel sounds monitoring

Abstract

Surgery is one of the primary treatment modalities for gastrointestinal tumors but can lead to postoperative ileus (POI), which can aggravate pain and increase costs. The incidence of POI can be effectively reduced by monitoring bowel sounds to assist doctors in deciding the timing of transoral feeding. In this study, we prepared a flexible strain sensor based on a graphene composite material and tested the feasibility of sensor monitoring of bowel sounds using simultaneous stethoscope and sensor monitoring. We found that the time of hearing the bowel sounds (12.0–12.1 s) corresponded to the time of waveform change monitored by the sensor (12.036 s), and the sound tone magnitude corresponded to the waveform amplitude. This proves that the application of sensors to monitor bowel sounds is feasible, which opens up a new field for the application of graphene sensors and provides a new way for clinicians to judge the condition of the intestine.

Graphical abstract: Graphene-based strain sensor with sandwich structure and its application in bowel sounds monitoring

Article information

Article type
Paper
Submitted
16 Jul 2022
Accepted
04 Oct 2022
First published
12 Oct 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 29103-29112

Graphene-based strain sensor with sandwich structure and its application in bowel sounds monitoring

M. Zhou, Y. Yu, Y. Zhou, L. Song, S. Wang and D. Na, RSC Adv., 2022, 12, 29103 DOI: 10.1039/D2RA04402A

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