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Related Experiment Videos

A total heart/lung bypass simulator.

R J Leonard1

  • 1Sarns/3M, Ann Arbor, Michigan 48103.

ASAIO Transactions
|July 1, 1988
PubMed
Summary
This summary is machine-generated.

A mathematical model and patient oxygen consumption model were integrated to create a bypass simulator. This tool aids in training perfusionists and designing new medical devices.

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Area of Science:

  • Biomedical Engineering
  • Cardiovascular Physiology

Background:

  • Device design must include optimal usage training.
  • The Sarns/3M SMO oxygenator development utilized a mathematical model.

Purpose of the Study:

  • To develop and validate a bypass simulator integrating multiple physiological and device models.
  • To create a tool for training, device design, and clinical case analysis.

Main Methods:

  • Developed a mathematical model for oxygenator performance (inlet/output saturation, hemoglobin).
  • Created a patient oxygen consumption model incorporating size, temperature, and anesthesia level.
  • Integrated oxygenator, patient, heat exchanger, and hemoconcentrator models into a computer simulator.

Main Results:

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  • The oxygenator model was verified in over 100 clinical cases.
  • The integrated simulator allows minute-by-minute tracking and adjustment of bypass variables.
  • The simulator runs in accelerated time and accepts default parameters.

Conclusions:

  • The bypass simulator is valuable for training perfusionists, studying complex cases, and designing new devices.
  • It serves as an effective tool for introducing new devices and as a real-time monitoring aid.
  • The simulator enhances understanding of cardiopulmonary bypass dynamics and device interaction.