Totally implantable ventricular assist system using the vibrating flow pump from Japan.

DOI 2 Citations 10 References
  • YAMBE T.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • HONGO T.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • KOBAYASHI S.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • OWADA N.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • NANKA T.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • NAGANUMA T.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • KAKINUMA Y.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • MATSUKI T.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • NITTA K.
    Department of Medical Engineering & Cardiology, Insitute of Development, Aging & Cancer. Tohoku University
  • FUKUJU T.
    Faculty of Eng, Tohoku Univ
  • TABAYASHI K.
    Ebara Co
  • TANAKA A.
    Ebara Co
  • ABE K.
    Ebara Co
  • MATSUKI H.
    Ebara Co
  • HASHIMOTO H.
    Faculty of Eng, Tohoku Gakuin Univ
  • TAKEDA H.
    Faculty of Eng, Tohoku Gakuin Univ

Bibliographic Information

Other Title
  • 日本発の駆動原理による埋込型補助人工心臓

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Description

Aiming at a totally implantable type ventricular assist device (VAD), Vibrating flow pump (VFP) was developed in Tohoku University. The transcutaneous energy transmission system (TETS) using the amorphousness fiber was developed to constitute the totally implantable VAD system. Artificial heart works with high frequency compared with a natural heart. It is frequency of 10-50 Hz. In this research, animal experiment was carried out with the healthy adult goats. Blood from left ventricular apex was received, and sent to descending aorta. Enough supporting effect of left heart was provided. In particular, depression effect of left ventricle was obvious. As a result, enough artificial heart flow was provided. For the totally implantable type VAD, left heart bypass of almost 100% may be necessary in some situations. So, apex approaches of the left heart bypass may be desirable. From the anatomical consideration, , an apex of a heart is suitable for the totally implantable VFP. In the left heart bypass with left apical approach, almost 100 % bypass was possible, which is important for natural heart to wait for recovery of enough cardiac function. And it is important that left heart circulation is maintained fully. In summary, VFP was considered to be useful as a totally implable type left ventricular assist device.

Journal

  • Jinko Zoki

    Jinko Zoki 27 (2), 325-329, 1998

    JAPANESE SOCIETY FOR ARTIFICIAL ORGANS

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