Axial Type Self-Bearing Motor for Axial Flow Blood Pump

Yohji Okada, Toru Masuzawa, Ken Ichi Matsuda, Kunihiro Ohmori, Takashi Yamane, Yoshiaki Konishi, Shinya Fukahori, Satoshi Ueno, Seung Jong Kim

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


An axial self-bearing motor is proposed which can drive an axial blood pump without physical contact. It is a functional combination of the bi-directional disc motor and the axial active magnetic bearing, where it actively controls single degree-of-freedom motion, while other motions such as lateral vibration are passively stable. For application to a blood pump, the proposed self-bearing motor has the advantages of simple structure and small size. Through the finite element method (FEM) analysis and the experimental test, its good feasibility is verified. Finally, the axial flow pump is fabricated using the developed magnetically suspended motor. The pump test is carried out and the results are discussed in detail.

Original languageEnglish
Pages (from-to)887-891
Number of pages5
JournalArtificial Organs
Issue number10
Publication statusPublished - 2003 Oct


  • Axial blood pump
  • Axial magnetic bearing
  • Digital control
  • Magnetic suspension
  • Non-contact rotary pump
  • Self-bearing motor

ASJC Scopus subject areas

  • Bioengineering
  • Medicine (miscellaneous)
  • Biomaterials
  • Biomedical Engineering


Dive into the research topics of 'Axial Type Self-Bearing Motor for Axial Flow Blood Pump'. Together they form a unique fingerprint.

Cite this