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Updated: Oct 3, 2025
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Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
Published on: October 20, 2021
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[Research and Implementation of 433 MHz-based Wireless Implantable Pacing System]
1MicroPort Soaring CRM(Shanghai) Co. Ltd., Shanghai, 201203.
Summary
This study presents a low-power implantable pacemaker system using 433 MHz wireless communication for rapid atrial fibrillation models. The system effectively overcomes communication challenges in animal studies.
Area of Science:
- Biomedical Engineering
- Medical Devices
- Wireless Communication Systems
Background:
- Rapid atrial pacing is crucial for creating atrial fibrillation models.
- Existing systems face communication interference and distance limitations.
- Need for a reliable, low-power implantable solution.
Purpose of the Study:
- To design a low-power implantable pacing system for atrial fibrillation modeling.
- To utilize 433 MHz frequency for reliable wireless communication.
- To establish a star network topology for efficient system control.
Main Methods:
- Developed an implantable pacemaker with wireless communication, pacing, ECG monitoring, and power management modules.
- Designed a programmer head as a network node controlled by PC software.
- Implemented a star network architecture for system communication.
Main Results:
- The system demonstrated effective communication, overcoming interference and distance issues.
- In vivo simulations and animal model tests confirmed system feasibility.
- Successful application in rapid atrial pacing for atrial fibrillation induction.
Conclusions:
- The designed low-power implantable pacing system is effective and feasible.
- The 433 MHz star network approach enhances communication reliability.
- This system provides a viable tool for atrial fibrillation research.
