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Introduction <p>Gastric electrical stimulation (GES) is an effective treatment for gastroparesis. However, the available devices are equipped with bulky batteries that need to be replaced regularly by surgery.</p> Methods <p>Our new implantable system consists of only 6 passive components in addition to a diode and does not require a battery. Two acute porcine experiments were carried out with a robotic surgical system for placement of the prototypes. The stimulation parameters were set with an extracorporeal unit and GES was performed. The recorded electromyography (EMG) signal was subjected to a multiresolution analysis.</p> Results <p>The robot-assisted placement of the prototypes was successful. The inductive energy transfer was confirmed to be functional and EMG analysis revealed changes in gastric electrical activity.</p> Conclusions <p>Further technological and rapid regulatory solutions are being sought in order to start a clinical trial with the next generation devices in the near future.</p>

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Robotic placement of experimental prototypes for wireless gastric electrical stimulation

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月12日

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  • Jonas F. Schiemer,
  • Karen Stumm,
  • Yves Olsommer,
  • Hauke Lang,
  • Nadine Baumgart,
  • Jan Baumgart,
  • Werner Kneist

摘要

Introduction

Gastric electrical stimulation (GES) is an effective treatment for gastroparesis. However, the available devices are equipped with bulky batteries that need to be replaced regularly by surgery.

Methods

Our new implantable system consists of only 6 passive components in addition to a diode and does not require a battery. Two acute porcine experiments were carried out with a robotic surgical system for placement of the prototypes. The stimulation parameters were set with an extracorporeal unit and GES was performed. The recorded electromyography (EMG) signal was subjected to a multiresolution analysis.

Results

The robot-assisted placement of the prototypes was successful. The inductive energy transfer was confirmed to be functional and EMG analysis revealed changes in gastric electrical activity.

Conclusions

Further technological and rapid regulatory solutions are being sought in order to start a clinical trial with the next generation devices in the near future.