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Related Experiment Videos

A central venous temperature sensing lead.

R G Baker, R E Phillips, M L Frey

    Pacing and Clinical Electrophysiology : PACE
    |November 1, 1986
    PubMed
    Summary
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    Developing stable sensor leads for pacemakers that respond to central venous blood temperature is crucial. This study details a new sensor lead design, analyzing its performance for reliable pacemaker implementation.

    Area of Science:

    • Biomedical Engineering
    • Medical Devices
    • Cardiovascular Technology

    Background:

    • Pacemaker function can be enhanced by responding to physiological changes.
    • Central venous blood temperature offers a potential physiological parameter for pacemaker rate modulation.
    • Reliable sensor technology is needed to measure blood temperature accurately within the body.

    Purpose of the Study:

    • To describe the characteristics of a novel sensor lead design for measuring central venous blood temperature.
    • To evaluate the performance of this sensor lead for pacemaker applications.
    • To analyze key parameters affecting sensor function and pacemaker integration.

    Main Methods:

    • In vitro and in vivo studies were conducted to assess sensor performance.

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  • Key parameters evaluated included temperature response time and data acquisition time.
  • Sensor sensitivity and long-term shunt impedance were also measured.

    • Main Results:

    • The study characterized the temperature response time and data acquisition capabilities of the sensor lead.
    • Sensor sensitivity to temperature variations was quantified.
    • Long-term stability of sensor shunt impedance was assessed in both laboratory and physiological settings.

    Conclusions:

    • The described sensor lead design exhibits relevant characteristics for stable and reliable measurement of central venous blood temperature.
    • Analysis provides insights into optimizing sensor performance for pacemaker rate responsiveness.
    • The findings support the feasibility of implementing temperature-based rate modulation in pacemakers.