期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 42, 期 10, 页码 3578-3580出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2006.879630
关键词
artificial heart; contactless power supply; digital phase-locked loop (PLL); synchronous rectification
Newly designed transcutaneous energy transmission system for a ventricular assist device was developed. We obtained higher dc-dc efficiency of 93.4% and smaller size of devices. Also, the devices were designed in view of the biomedical compatibility, gradually sloped coils and the flexibility of the primary coil prevent pressure necroses of the skin. The rectifier circuit board was placed in the internal space of the ferrite core to reduce the number of the implanted devices. However, radiated outward ground patterns were adopted to achieve a balance between thermal radiation and reduction of eddy-current loss.
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