2組の空心偏平型経皮トランスを用いた補助人工心臓用経皮電力伝送

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タイトル別名
  • Transcutaneous Energy Transmission for Ventricular Assist Device with a Couple of Air-core Transcutaneous Transformers
  • 2組の空心偏平型経皮トランスを用いた補助人工心臓用経皮電力伝送 : 経皮トランス間距離変化時の放射性妨害波の測定
  • 2クミ ノ クウシン ヘンペイガタ ケイヒ トランス オ モチイタ ホジョ ジンコウ シンゾウヨウ ケイヒ デンリョク デンソウ : ケイヒ トランス カン キョリ ヘンカジ ノ ホウシャセイ ボウガイハ ノ ソクテイ
  • Measurement of Radiated Emission When Distance of Transcutaneous Transformers is changed
  • －経皮トランス間距離変化時の放射性妨害波の測定－

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<p>　Transcutaneous energy transmission systems that supply power to the ventricular assist device implanted in the human body have been studied. The magnetic field radiated from a transcutaneous transformer exceeds the limit set by the international standard CISPR 11. Therefore, we proposed a magnetic-field-reduction method using both 0° and 180° phase-shift transformers. In this study, we measured the magnetic field both in the case of using a single transcutaneous transformer (Type A) and in the case of using a couple of transcutaneous transformers (Type B). The receiving power of the load resistance was fixed at 14.4 W. As a result, the magnetic field became 59.0 dBµA/m in Type A, and 49.3 dBµA/m in Type B. Furthermore, the transmission efficiency was 57.2% in Type A and it was 45.2% in Type B when the distance between the couple of transcutaneous transformers was 30 cm. These results indicated the effectiveness of our method in magnetic-field reduction.</p>

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