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Transcutaneous Energy Transmission System for a Totally Implantable Artificial Heart Using a Two-Wire Archimedean
Summary
A new spiral coil design for transcutaneous energy transfer systems in artificial hearts improves power efficiency. This innovation also reduces the number of components needed in the power receiving circuit, optimizing the system.
Area of Science:
- Biomedical Engineering
- Electrical Engineering
- Medical Devices
Background:
- Totally implantable artificial hearts require efficient and reliable transcutaneous energy transfer systems.
- Existing systems often have numerous rectifier components in the power receiving circuit, increasing complexity and potential failure points.
Purpose of the Study:
- To investigate the application of a proposed spiral coil design for transformers in transcutaneous energy transfer systems.
- To reduce the number of rectifier components in the power receiving circuit of artificial heart systems.
- To evaluate the impact of transformer shape on power transmission efficiency.
Main Methods:
- A novel spiral coil transformer design was proposed and applied to a transcutaneous energy transfer system.
- The power receiving transformer shape was reviewed to minimize rectifier components.
- Power transmission efficiency was calculated and compared between different transformer configurations.
Main Results:
- The power transmission efficiency between transformers with the same shape remained comparable.
- Overall power transmission efficiency, including the power receiving circuit, was significantly increased.
- The number of components in the power receiving circuit was successfully reduced.
Conclusions:
- The proposed spiral coil design is effective for transcutaneous energy transfer in artificial hearts.
- This design optimizes power efficiency and simplifies the power receiving circuit.
- The study demonstrates a viable method for improving implantable device power systems.

