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Implantable Active Telemetry System using Microcoils.

Sohee Kim1, Oliver Scholz

  • 1Department Microsystems / Laser Medicine, Fraunhofer Institute for Biomedical Engineering, Ensheimer Strasse 48, D-66386 St. Ingbert, Germany.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 7, 2007
PubMed
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This study presents an active telemetry system using microcoils for implantable biomonitoring. The system achieved a 20 cm transmission range through biological tissue, demonstrating potential for medical applications.

Area of Science:

  • Biomedical Engineering
  • Implantable Sensors
  • Wireless Telemetry

Background:

  • Microcoils are crucial components in implantable devices.
  • Active telemetry offers advantages over passive systems for biomonitoring.
  • Achieving reliable data transmission through biological tissue is a key challenge.

Purpose of the Study:

  • To develop and evaluate an active telemetry system utilizing microcoils for in-body biomonitoring.
  • To assess the transmission range and performance of the system under laboratory conditions with biological tissue.
  • To explore the feasibility of using microcoils in active telemetry for medical applications.

Main Methods:

  • Fabrication of sample microcoils (1 cm diameter, 16 windings).
  • Construction of an active telemetry system operating in the 27 MHz ISM band.

Related Experiment Videos

  • Performance evaluation including transmission range measurement with 1 cm thick biological tissue.

    • Main Results:

    • A functional active telemetry system was successfully constructed with minimal components.
    • The system achieved a transmission range of up to 20 cm.
    • Performance was validated under laboratory conditions with simulated in-body environments.

    Conclusions:

    • The developed active telemetry system with microcoils shows promise for implantable biomonitoring.
    • The system's moderate transmission range is suitable for specific medical monitoring tasks.
    • Further research can optimize microcoil design and system parameters for enhanced performance.