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Related Experiment Videos

Component engineering for an implantable system.

Qingtian Wang1, Tomoyuki Yambe, Yasuyuki Shiraishi

  • 1Department of Medical Engineering and Cardiology, Institute of Development and Aging Cancer, Tohoku University, Tohoku, Japan. qingtian@idac.tohoku.ac.jp

Artificial Organs
|September 24, 2004
PubMed
Summary
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Researchers are developing advanced implantable artificial hearts, including vibrating flow pumps for organ failure and undulation pump ventricular assist devices for long-term use. These systems utilize novel transcutaneous energy transmission and sensor technology for improved patient care.

Area of Science:

  • Biomedical Engineering
  • Medical Devices
  • Implantable Technology

Background:

  • Component engineering is crucial for developing implantable rotary blood pumps (RP).
  • Current research focuses on creating implantable artificial hearts with integrated sensor and control systems.
  • Transcutaneous energy transmission systems (TETS) are essential for powering these devices.

Purpose of the Study:

  • To advance the development of implantable artificial hearts through component engineering.
  • To miniaturize artificial heart components by increasing operating frequency.
  • To develop efficient TETS and sophisticated control systems for artificial hearts.

Main Methods:

  • Development of vibrating flow pumps (VFP) utilizing high-speed reciprocating movement for reduced size.

Related Experiment Videos

  • Design of undulation pump ventricular assist devices (UPVAD) as small, lightweight rotary pumps.
  • Engineering of TETS using amorphous fibers for efficient power transmission and integration of micro/nano sensors.

    • Main Results:

    • Successful development of VFP for potential use in multiple organ failure (MOF) treatment.
    • UPVADs are being developed as permanent-use RPs with distinct applications from VFPs.
    • A control algorithm has been developed, achieving successful baroreflex control.

    Conclusions:

    • Component engineering is key to advancing implantable artificial heart technology.
    • Different artificial heart designs (VFP, UPVAD) serve distinct medical needs.
    • Continued development in TETS, sensors, and control systems is vital for artificial heart progress.