Robotic placement of experimental prototypes for wireless gastric electrical stimulation
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Abstract
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.
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Langenbeck's archives of surgery, 410, Springer, Berlin, Heidelberg, 2025, https://doi.org/10.1007/s00423-025-03834-1