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Fluid Engineering Aspect for Development of the Centrifugal Blood Pump with Magnetically Suspended Impeller

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Rotary Blood Pumps

Summary

This paper deals with fluid engineering problems encountered in eight years of development studies of the centrifugal blood pump with magnetically suspended impeller. The main results of the investigation are as follows. The impeller disk friction is dominant among the whole power loss. The magnetically suspended impeller with radial straight vanes is the most stable. The motor current depends on blood viscosity and flow rate. Consequently the flow rate and pressure difference can be estimated by self-sensing without the flow meter and pressure transducers.

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References

  1. Akamatsu T, Nakazeki T, Itoh H (1992) Centrifugal blood pump with a magnetically suspended ompeller. Artif Organs 16:305

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  2. Akamatsu T, Tsukiya T, Nishimura K, et al. (1995) Recent studies of the centrifugal blood pump with a magnetically suspended impeller. Artif Organs 19:631

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  4. Tamagawa M, Akamatsu T, Saitoh K (1996) Prediction of hemolysis in turbulent shear orifice flow. Artif Organs 20:553

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  5. Tsukiya T, Akamatsu T, Nishimura K, et al. (1997) Use of motor current in flow rate measurement for the magnetically suspended centrifugal blood pump. Artif Organs 21:396

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, Setsunan University, Ikeda-nakamachi, Neyagawa, 572-0074, Japan

    Teruaki Akamatsu

  2. Department of Mechanical Engineering, Kyoto University, Kyoto, 606-8501, Japan

    Tomonori Tsukiya

  3. NTN Inc., Mechatronics Laboratory, Iwata, 438-0037, Japan

    Takayoshi Ozaki

Authors
  1. Teruaki Akamatsu
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  2. Tomonori Tsukiya
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  3. Takayoshi Ozaki
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Editor information

Editors and Affiliations

  1. The 1st Department of Surgery, Osaka University Medical School, 2-2 Yamada-oka, Suita, Osaka, 565-0871, Japan

    Hikaru Matsuda M.D.

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© 2000 Springer Japan

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Akamatsu, T., Tsukiya, T., Ozaki, T. (2000). Fluid Engineering Aspect for Development of the Centrifugal Blood Pump with Magnetically Suspended Impeller. In: Matsuda, H. (eds) Rotary Blood Pumps. Springer, Tokyo. https://doi.org/10.1007/978-4-431-67917-2_4

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  • DOI: https://doi.org/10.1007/978-4-431-67917-2_4

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-67987-5

  • Online ISBN: 978-4-431-67917-2

  • eBook Packages: Springer Book Archive

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