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Micro-system Design for Wireless Endoscopy System.

Xiang Xie1, Guolin Li, Baoyong Chi

  • 1Department of Electronic Engineering, Tsinghua University, Beijing, P. R. China, 100084.

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
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This study presents a miniature wireless endoscopic capsule for comprehensive digestive tract diagnosis and real-time monitoring. The design features a low-power chip and micro-antenna, enabling high-quality imaging for medical professionals.

Area of Science:

  • Medical Devices
  • Microsystems Engineering
  • Wireless Communication

Background:

  • Current endoscopic procedures can be invasive and may not cover the entire digestive tract.
  • There is a need for miniaturized, high-resolution imaging solutions for internal diagnostics.

Purpose of the Study:

  • To propose a micro-system design for a wireless endoscopic capsule.
  • To achieve small capsule dimensions (less than 25mm*10mm) for comprehensive whole human digestive tract diagnosis.
  • To provide real-time endoscopic image monitoring capabilities.

Main Methods:

  • Detailed design of a low-power analog-digital mixed-mode single-chip.
  • Development of a micro-antenna with a diameter less than 9 mm.
  • Implementation of a novel automatic retransmission request (ARQ) communication scheme for high-quality image transmission.

Related Experiment Videos

  • Verification of digital circuits on FPGAs and simulation of analog circuits.
  • Fabrication of the mixed-mode single-chip using a 0.18μm CMOS process.

    • Main Results:

    • Successful design and implementation of a micro-system for a wireless endoscopic capsule.
    • Achieved small capsule dimensions suitable for full digestive tract examination.
    • Demonstrated real-time endoscopic image monitoring.
    • Developed and tested a micro-antenna and a low-power mixed-mode chip.
    • Validated the communication scheme for high-quality image transfer.

    Conclusions:

    • The proposed micro-system design enables a miniaturized wireless endoscopic capsule for complete digestive tract diagnosis.
    • The integrated low-power chip and micro-antenna facilitate real-time, high-quality endoscopic imaging.
    • The ARQ communication scheme enhances the reliability of image data transmission.