Research ArticleOriginal Article
Open Access

Feasibility and safety of a cable transmission magnetically controlled capsule endoscopy system for examination of the human upper digestive tract

Hang Yu, Yuan Tian, Long Rong, Yunlong Cai, Guanyi Liu, Yan He and Xinyue Guo
Saudi Medical Journal December 2024, 45 (12) 1318-1325; DOI: https://doi.org/10.15537/smj.2024.45.12.20240645

Article Figures & Data

Figures

  • Figure 1
    Figure 1

    - The Cable Transmission Magnetically Controlled Capsule Endoscope system. A) Disposable sterile capsule endoscope. B) The Image Processor. C) The front view of the magnetic-controlled capsule system.

  • Figure 2
    Figure 2

    - The images of primary landmarks in esophagus and stomach. A) esophagus, B) dentate line, C) cardia, D) fundus, E) body of stomach, F) angulus, G) antrum, H) pylorus

  • Figure 3
    Figure 3

    - The total visualization score distribution of 30 volunteers.

  • Figure 4
    Figure 4

    - Gastric polyps and reflux esophagitis were found during Cable transmission Magnetically Controlled Capsule Endoscope examination. A) The image of gastric polypsby capsule endoscope. B) gastric polyps confirmed by the following gastroscopy. C) The image ofreflux esophagitisby capsule endoscope. D) reflux esophagitis confirmed by the following gastroscopy.

Tables

  • Table 1

    - Visualization score for each anatomical landmarks in 30 volunteers.

    AreaVisualization score
    1 (<70%)2 (70-90%)3 (>90%)Average score
    Upperesophagus07 (23.3%)23 (76.7%)2.76±0.43
    Middle esophagus03 (10.0%)27 (90.0%)2.90±0.31
    Lower esophagus05 (16.7%)25 (83.3%)2.83±0.38
    Cardia00 (0%)30 (100%)3.0
    Fundus06 (20.0%)24 (80.0%)2.80±0.41
    Body025 (83.3%)5 (16.7%)2.17±0.38
    Angulus04 (13.3%)26 (86.7%)2.87±0.35
    Antrum02 (6.7%)28 (93.3%)2.93±0.25
    Pylorus02 (6.7%)28 (93.3%)2.93±0.25
    Duodenal bulb00 (0%)30 (100%)3.0
  • Table 2

    - Primary parameters of different MCCEs.

    ManufacturerGiven imagingOlympus and SiemensAnkon MCCGJinshan FAMCEJIFU SMCECT-MCCE
    Size11×31mm11×31mm11.6×26.8mm-12×27mm25×4.8mm
    Weight7g-5g-2.7g1g
    Resolution256×256512×512720×720512×512480×4801280×720
    Frames4 fps4 fpsAdaptive 8 fpsAdaptive 2-8 fps4 fps30 fps
    Field of view156°>145°150°160°136°140°
    Battery life10 h->12 h9 h30-40 minUnlimited

    h: hour, fps: frames per Ssecond, CT-MCCE: cable transmission magnetically controlled capsule endoscope, MCCG: magnetically controlled capsule gastroscopy. FAMCE: fully automated magnetically controlled capsule endoscopy, SMCE: standing-type magnetically controlled capsule endoscopy

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