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Adaptive transcutaneous power delivery for an artificial anal sphincter system
Journal of Medical Engineering & Technology
|December 17, 2008
Summary
A new artificial anal sphincter system uses wireless power transfer for improved anal incontinence control. This novel system achieves efficient power delivery, meeting the device
Area of Science:
- Biomedical Engineering
- Electrical Engineering
- Medical Devices
Background:
- Anal incontinence affects quality of life.
- Existing treatments have limitations.
- A reliable power source is crucial for artificial anal sphincter systems.
Purpose of the Study:
- To develop a novel artificial anal sphincter system with sensor feedback.
- To implement a transcutaneous energy transmission system for wireless power supply.
- To optimize power transfer efficiency and misalignment tolerance.
Main Methods:
- Development of an artificial anal sphincter system with wireless power supply and communication subsystems.
- Utilizing a class-E power amplifier with adaptive control for transcutaneous power delivery.
- Employing amplitude modulation for adaptive power transmission.
Main Results:
- The system delivers at least 150 mW of power.
- Achieved a power transfer efficiency of 41% over a 3 cm distance.
- Demonstrated capability to meet the artificial anal sphincter system's power requirements.
Conclusions:
- The developed system offers a viable wireless power solution for artificial anal sphincters.
- Adaptive transcutaneous power delivery enhances efficiency and reliability.
- This technology holds promise for managing anal incontinence.
