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Second Type of Linear Motor-Driven Total Artificial Heart

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Book cover Heart Replacement

Summary

We evaluated the performance of the first type of linear motor-driven total artificial heart (TAH) in an acute animal experiment reported previously. Artificial circulation in an adult sheep was maintained for only 2 h, indicating that the linear motor needed more powerful thrust. A second type of linear motor-driven TAH was constructed, on the basis of the information obtained from the acute animal experiment. The second TAH has a maximum static thrust of 146 N, achieved by enlarging the thrust action area in the linear motor. The mass of the TAH is 1.9 kg, and the volume TAH is 560mL; this size is suitable for implantation in a human subject weighing 80 kg. The second TAH provides a left pump flow rate of 7.2 L/min at a pumping rate of 120 bpm in a mock circulatory system.

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References

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Author information

Authors and Affiliations

  1. Faculty of Engineering, Shinshu University, 500 Wakasato, Nagano, 380, Japan

    Hajime Yamada, Manabu Kobayashi, Mitsuaki Watanabe & Hiroyuki Wakiwaka

  2. Development Laboratory New Products, Shinko Electric Co., Ltd., 100 Takegahana, Ise, Mie, 516, Japan

    Mitsuji Karita & Minoru Maeda

  3. Hiroshima University School of Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734, Japan

    Yuichiro Matsuura, Shintaro Fukunaga & Hiroshi Hotei

Authors
  1. Hajime Yamada
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  2. Manabu Kobayashi
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  3. Mitsuaki Watanabe
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  4. Hiroyuki Wakiwaka
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  5. Mitsuji Karita
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  6. Minoru Maeda
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  7. Yuichiro Matsuura
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  8. Shintaro Fukunaga
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  9. Hiroshi Hotei
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Editor information

Editors and Affiliations

  1. Shonan Center, Terumo Corporation, 1500 Inokuchi, Naka-machi, Ashigarakami-gun, 259-01, Kanagawa, Japan

    Tetsuzo Akutsu M.D., Ph.D. (Chairman of the Board of Directors) (Chairman of the Board of Directors)

  2. Department of Cardiovascular Surgery, The Heart Institute of Japan, Tokyo Women’s Medical College, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162, Japan

    Hitoshi Koyanagi M.D. (Chairman and Professor) (Chairman and Professor)

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© 1996 Springer Japan

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Yamada, H. et al. (1996). Second Type of Linear Motor-Driven Total Artificial Heart. In: Akutsu, T., Koyanagi, H. (eds) Heart Replacement. Springer, Tokyo. https://doi.org/10.1007/978-4-431-67020-9_14

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  • DOI: https://doi.org/10.1007/978-4-431-67020-9_14

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-67022-3

  • Online ISBN: 978-4-431-67020-9

  • eBook Packages: Springer Book Archive

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