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Thoracoscopic surgery support system using passive RFID marker.

Hiromi Takahata1, Fumitsugu Kojima, Minoru Okada

  • 1Graduate School of Engineering Science, Osaka University, Machicaneyama1-3, Toyonaka-shi, Osaka, Japan. Takahata@bpe.es.osaka-u.ac.jp

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|February 1, 2013
PubMed
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This study introduces a novel RFID system for precisely marking tumors during thoracoscopic surgery. The system uses passive RFID tags and a specialized antenna to guide surgeons, improving tumor removal accuracy.

Area of Science:

  • Biomedical Engineering
  • Surgical Technology
  • Radio-Frequency Identification (RFID) Applications

Background:

  • Accurate tumor localization is critical for successful thoracoscopic surgery.
  • Current methods may have limitations in precisely identifying tumor margins within organ tissue.
  • Minimally invasive surgery requires advanced tools for real-time guidance.

Purpose of the Study:

  • To develop and validate a Radio-Frequency Identification (RFID) based system to support thoracoscopic surgery.
  • To enable precise marking and localization of tumors within organ tissue.
  • To enhance surgical accuracy and improve patient outcomes.

Main Methods:

  • Implantation of small, passive RFID tags near the tumor identified via endoscopy.

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  • Design of a saddle-shape antenna for efficient power supply to the passive RFID tags.
  • Development of a sensitive, frequency-selective receiver to detect weak RFID tag signals.
  • Utilizing RFID signal strength to determine the accurate position of implanted markers.

    • Main Results:

    • The proposed system successfully demonstrated the capability to mark tumors using RFID tags.
    • Feasibility tests confirmed accurate localization of implanted RFID tags within organ tissue.
    • The designed antenna and receiver effectively activated and detected the passive RFID tags.

    Conclusions:

    • The RFID-based system offers a viable solution for precise tumor localization in thoracoscopic surgery.
    • This technology has the potential to improve surgical precision and reduce the risk of incomplete tumor resection.
    • Further development could integrate this system into standard surgical workflows.