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Related Experiment Videos

Testing of biomaterials, accelerated ageing.

A Prodinger1, S Krausler, H Schima

  • 1Laboratory for biomedical engineering and physics, 2nd Surgical Clinic Univ. Vienna, Austria.

Life Support Systems : the Journal of the European Society for Artificial Organs
|January 1, 1985
PubMed
Summary

Accelerated creep testing can determine if artificial heart diaphragm materials meet critical residual elongation limits within days, not months. This rapid assessment ensures material quality for vital medical device manufacturing.

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Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Mechanical Engineering

Background:

  • Residual elongation is a critical parameter for materials used in artificial heart diaphragms.
  • Ensuring diaphragm creep properties meet required limits is essential for device reliability and patient safety.
  • Traditional creep tests are time-consuming, taking several months, which delays quality control.

Purpose of the Study:

  • To develop a method for rapidly assessing the creep properties of artificial heart diaphragm materials.
  • To enable timely quality control of received goods and manufactured diaphragms.
  • To reduce the testing time from months to days.

Main Methods:

  • Implementing accelerated creep testing by increasing the test temperature.

Related Experiment Videos

  • Evaluating material creep behavior under elevated temperature conditions.
  • Correlating accelerated test results with long-term creep data.

    • Main Results:

    • Accelerated creep tests allow for the estimation of material creep properties within a week.
    • This method provides a faster alternative to traditional, lengthy creep tests.
    • The results enable quicker decisions on material acceptance or rejection.

    Conclusions:

    • Accelerated creep testing is a viable and efficient method for quality control of artificial heart diaphragm materials.
    • This approach significantly reduces the time required to verify material compliance.
    • Faster material assessment supports the timely manufacturing and release of artificial hearts.