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The Cleveland Clinic rotodynamic pump program

L A Golding1, W A Smith, D R Bodmann

  • 1Department of Biomedical Engineering, Cleveland Clinic Foundation, Ohio 44195, USA.

Artificial Organs
|June 1, 1996
PubMed
Summary
This summary is machine-generated.

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Cleveland Clinic developed a novel rotodynamic blood pump for permanent implantation. This compact, efficient device demonstrates sustained function and low hemolysis, paving the way for advanced ventricular assist systems.

Area of Science:

  • Biomedical Engineering
  • Cardiovascular Devices
  • Medical Technology

Background:

  • Permanent implantation of blood pumps requires miniaturization and efficient power delivery.
  • Existing ventricular assist devices face challenges in long-term reliability and power supply.
  • Advancements in medical device technology are crucial for improving cardiac support.

Purpose of the Study:

  • To introduce a novel rotodynamic blood pump designed for permanent cardiac implantation.
  • To evaluate the performance, efficiency, and durability of the developed blood pump.
  • To establish the foundation for an innovative ventricular assist system.

Main Methods:

  • Development of a compact (2.5 x 2.5 inches) rotodynamic blood pump.
  • In vitro and in vivo testing to assess pump function and hemocompatibility.

Related Experiment Videos

  • Endurance testing to determine long-term operational capability.
  • Integration with a transcutaneous electrical transmission system and pacer technology for control and telemetry.

    • Main Results:

    • The pump achieves 5 L/min blood flow against 100 mm Hg at 3,000 rpm with 7 watts input power.
    • Initial in vivo tests confirmed in vitro performance with low hemolysis.
    • Continuous function exceeding 12 months was achieved during endurance bench testing.

    Conclusions:

    • The developed rotodynamic blood pump is a promising candidate for permanent implantation.
    • The integrated system, utilizing transcutaneous power and pacer technology, represents an innovative ventricular assist solution.
    • Further development and testing under an NHLBI contract are planned over the next five years.