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Related Experiment Video

Updated: Jul 5, 2026

Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions
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Effectiveness of a ligating device for endoscopic surgery.

T Hachisu1, H Yamada, K Hamaguchi

  • 1Department of Surgery Sakura National Hospital 2-36-2 Ebaradai Chiba Prefecture Sakura 285 Japan.

Diagnostic and Therapeutic Endoscopy
|January 1, 1995
PubMed
Summary

A novel detachable snare enables endoscopic ligation for effective hemostasis during large polyp removal. This minimally invasive technique significantly reduces bleeding risks, improving patient outcomes in endoscopic resections.

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Area of Science:

  • Gastroenterology
  • Endoscopic Surgery
  • Medical Devices

Background:

  • Endoscopic removal of large polyps and elevated lesions can be complicated by bleeding.
  • Hemostasis is crucial for safe and effective endoscopic resection.
  • Existing methods may have limitations in controlling hemorrhage during these procedures.

Purpose of the Study:

  • To evaluate the efficacy of a new detachable snare for endoscopic ligation in achieving hemostasis.
  • To assess the device's utility in preventing bleeding before resection and controlling active hemorrhage.
  • To determine the safety and success rates of this ligation technique in a clinical setting.

Main Methods:

  • A detachable snare (Olympus Ligating Device) was used for endoscopic ligation in 80 patients.

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  • The procedure involved ligating large elevated lesions prior to resection (71 patients) or controlling hemorrhage (9 patients).
  • Lesions included polyps and submucosal tumors, with diameters ranging from 15-40 mm.

    • Main Results:

    • Complete prevention of hemorrhage was achieved in 88.7% of patients undergoing preventive ligation before resection.
    • Endoscopic resection was successfully performed in 98.6% of cases when ligation was combined with HX-3L clips.
    • Complete hemostasis was achieved in all 9 patients with bleeding lesions without complications.

    Conclusions:

    • The detachable snare is a safe and effective tool for endoscopic ligation, offering high rates of hemostasis.
    • It facilitates the endoscopic resection of large elevated lesions by preventing post-procedural bleeding.
    • The device is also valuable for controlling active hemorrhage during endoscopic procedures.