Improvement of the transcutaneous energy transmission system utilizing ferrite cored coils for artificial hearts

Hidekazu Miura; Shinsuke Arai; Yasuyuki Kakubari; Fumihiro Sato; Hidetoshi Matsuki; Tadakuni Sato

doi:10.1109/TMAG.2006.879630

Improvement of the transcutaneous energy transmission system utilizing ferrite cored coils for artificial hearts

Hidekazu Miura, Shinsuke Arai, Yasuyuki Kakubari, Fumihiro Sato, Hidetoshi Matsuki, Tadakuni Sato

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

98 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	3578-3580
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	42
Issue number	10
DOIs	https://doi.org/10.1109/TMAG.2006.879630
Publication status	Published - 2006 Oct

Keywords

Artificial heart
Contactless power supply
Digital phase-locked loop (PLL)
Synchronous rectification

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2006.879630

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abstract = "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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AU - Sato, Fumihiro

AU - Matsuki, Hidetoshi

AU - Sato, Tadakuni

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N2 - 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.

AB - 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.

KW - Artificial heart

KW - Contactless power supply

KW - Digital phase-locked loop (PLL)

KW - Synchronous rectification

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Improvement of the transcutaneous energy transmission system utilizing ferrite cored coils for artificial hearts

Abstract

Keywords

ASJC Scopus subject areas

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