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Related Experiment Video

Updated: May 25, 2026

Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa

Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa

Published on: September 27, 2018

An endoscopic wireless gastrostimulator (with video).

Sanchali Deb¹, Shou-Jiang Tang, Thomas L Abell

¹Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX.

Gastrointestinal Endoscopy

|January 18, 2012

Summary

A new wireless gastric electric stimulation (GES) device was developed for endoscopic implantation. This device successfully regulated gastric slow waves in a swine model, showing promise for treating gastroparesis.

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Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

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Published on: August 27, 2021

Area of Science:

Gastroenterology
Biomedical Engineering
Medical Devices

Background:

Refractory gastroparesis can be treated with gastric electric stimulation (GES).
Current GES devices require surgical implantation and have non-rechargeable batteries.
There is a need for less invasive and more convenient GES systems.

Purpose of the Study:

To develop and evaluate a miniature wireless GES device.
To test the feasibility of endoscopic implantation for the device.
To assess the device's efficacy in an experimental model.

Main Methods:

A wireless GES device was designed for endoscopic placement.
The device was implanted in a nonsurvival swine model.
Gastric signals were recorded, and electrogastrogram (EGG) measures were taken during stimulation.

Main Results:

Electrogastrogram recordings showed more regular gastric slow waves with constant amplitudes during stimulation.
The frequency-to-amplitude ratio of gastric slow waves significantly changed with GES.
The wireless GES device was successfully implanted endoscopically.

Conclusions:

Endoscopic implantation of a wireless GES device is feasible.
This technology shows potential for treating gastroparesis.
Further studies are warranted to confirm efficacy in clinical settings.