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An implantable RF-powered dual channel stimulator
Biotelemetry and Patient Monitoring
|January 1, 1981
Summary
This study presents an implantable RF-powered dual channel stimulator for hip stabilization, featuring low power consumption and adjustable current output for enhanced patient mobility.
Area of Science:
- Biomedical Engineering
- Implantable Electronic Devices
- RF-Powered Systems
Background:
- Hip stabilization often requires implantable devices.
- Existing devices may have limitations in power, size, or adjustability.
- Need for advanced stimulation systems for orthopedic applications.
Purpose of the Study:
- To design and develop an implantable RF-powered dual channel stimulator for hip stabilization.
- To achieve small size, low power consumption, and external powering.
- To provide adjustable output current and hermetic sealing.
Main Methods:
- Utilized thick film hybrid circuit techniques.
- Designed a low-power circuit and RF powering scheme accommodating antenna displacement.
- Developed biphasic negative-going current pulses (175 µs duration, 0-5 mA amplitude).
Main Results:
- Successfully designed a compact, RF-powered dual channel stimulator.
- Achieved low power consumption and external powering capability.
- Implemented adjustable current output and hermetic sealing for reliability.
Conclusions:
- The developed stimulator is suitable for hip stabilization applications.
- The design addresses key challenges in implantable device technology.
- This RF-powered system offers a promising solution for enhanced orthopedic treatment.