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Related Experiment Videos

Temporary or permanent support and replacement of cardiac function.

Helmut Reul1, Mustafa Akdis

  • 1Helmholtz Institute for Biomedical Engineering, Pauwelsstr. 20, 52074 Aachen, Germany. reul@hia.rwth-aachen.de

Expert Review of Medical Devices
|November 19, 2005
PubMed
Summary

This review details cardiac assist devices, classifying them as displacement or rotary pumps. It covers clinical applications and available systems, including total artificial hearts and rotary pumps for bypass and implantation.

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Area of Science:

  • Biomedical Engineering
  • Cardiovascular Technology
  • Medical Devices

Background:

  • Cardiac assist devices are crucial for managing heart failure.
  • Traditional engineering classifications include displacement and rotary pumps.
  • Understanding device types is essential for clinical application.

Purpose of the Study:

  • To classify cardiac assist devices based on engineering principles.
  • To outline clinical uses and indications for different pump categories.
  • To describe currently available ventricular assist devices and total artificial hearts.

Main Methods:

  • Literature review of existing cardiac assist devices.
  • Categorization of pumps into displacement and rotary types.
  • Description of extracorporeal, implantable, and total artificial heart systems.

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Main Results:

  • Displacement pumps include ventricular assist devices and total artificial hearts.
  • Rotary pumps encompass cardiopulmonary bypass and implantable systems.
  • Specific designs of radial, diagonal, and axial rotary pumps are detailed.

Conclusions:

  • Cardiac assist devices offer diverse solutions for heart support.
  • Both displacement and rotary pump technologies are advancing.
  • The review provides a comprehensive overview of current and developing systems.