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Related Experiment Videos

Progress with the HeartSaver Ventricular Assist Device.

T Mussivand1, P J Hendry, R G Masters

  • 1Cardiovascular Devices Division, University of Ottawa Heart Institute and WorldHeart Corporation, Ontario, Canada. tofym@heartinst.on.ca

The Annals of Thoracic Surgery
|September 4, 1999
PubMed
Summary
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Researchers are developing the HeartSaver VAD, a fully implantable device for long-term circulatory support. This innovative ventricular assist device (VAD) aims to improve patient quality of life with remote monitoring and control capabilities.

Area of Science:

  • Biomedical Engineering
  • Cardiovascular Devices
  • Implantable Technology

Background:

  • Ventricular assist devices (VADs) offer effective short- and long-term circulatory support.
  • Ongoing development focuses on permanent VADs to enhance patient quality of life.
  • A dedicated program since 1990 aims to create a totally implantable, permanent VAD.

Purpose of the Study:

  • To develop a totally implantable, intrathoracic ventricular assist device (VAD).
  • To eliminate percutaneous connections for enhanced patient mobility and reduced infection risk.
  • To enable remote monitoring and control for flexible patient follow-up.

Main Methods:

  • An electrohydraulically actuated VAD integrating pump, volume displacement chamber, energy converter, and electronics.

Related Experiment Videos

  • Utilizing a transcutaneous energy transfer system for wireless power.
  • Remote communication for monitoring and control functions.

    • Main Results:

    • The HeartSaver VAD is a compact, integrated unit.
    • Prototypes demonstrated satisfactory performance in vitro and in vivo.
    • The device meets goals for intrathoracic placement, total implantation, and remote communication.

    Conclusions:

    • HeartSaver VAD prototypes successfully met design objectives under testing.
    • Further development and testing are ongoing prior to clinical application.
    • The device shows promise for advanced, long-term circulatory support.