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Related Experiment Videos

Transducers for myocardial research

C Feldstein, S Meerbaum, G Lewis

    Medical Instrumentation
    |September 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

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    Miniaturized transducers enable precise measurement of force, displacement, and thickness in animal studies. These lightweight devices allow for rapid insertion and simultaneous use with minimal trauma, enhancing experimental capabilities.

    Area of Science:

    • Biomedical Engineering
    • Animal Research Technology

    Background:

    • Accurate in-vivo physiological measurements are crucial for advancing animal research.
    • Existing measurement tools often present limitations in terms of size, invasiveness, or simultaneous data acquisition.

    Purpose of the Study:

    • To describe novel miniaturized transducers for comprehensive physiological measurements in animal experiments.
    • To highlight the versatility and minimal invasiveness of these new devices.

    Main Methods:

    • Development and description of seven miniaturized transducers for measuring force, displacement, and thickness.
    • Demonstration of rapid insertion/removal during open-chest procedures with minimal trauma.
    • Utilization of multiple transducers simultaneously without artifacts.

    Related Experiment Videos

  • Development of a catheter-borne force-displacement transducer for closed-chest experiments.
  • Successful application of a trifunctional transducer for combined measurements.
  • Integration of ECG measurement capability via an added conductor.

    • Main Results:

    • The described transducers are lightweight and suitable for acute animal experiments.
    • Simultaneous use of six or more transducers is feasible without introducing artifacts.
    • Catheter-borne transducers enable measurements in closed-chest preparations.
    • Trifunctional transducers successfully acquired combined force, displacement, and thickness data.
    • ECG monitoring can be integrated with transducer implantation.

    Conclusions:

    • These miniaturized transducers offer a significant advancement for in-vivo physiological monitoring in animal models.
    • The devices provide a versatile, minimally invasive solution for complex experimental designs.
    • The technology facilitates simultaneous, artifact-free measurements and integrated physiological monitoring.