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Related Experiment Videos

Endoscopic suturing without extracorporeal knots: a laboratory study.

Bing Hu1, S C Sydney Chung, Lawrence C L Sun

  • 1Endoscopy Center, Prince of Wales Hospital, The Chinese University of Hong Kong.

Gastrointestinal Endoscopy
|July 28, 2005
PubMed
Summary

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The new Eagle Claw V endoscopic suturing device significantly speeds up vessel plication compared to older methods. This innovative device improves ease of use and suture security, moving it closer to clinical application.

Area of Science:

  • Minimally Invasive Surgery
  • Surgical Device Development
  • Gastrointestinal Endoscopy

Background:

  • Extracorporeal knotting presents challenges in endoscopic procedures.
  • A novel endoscopic suturing device, the Eagle Claw V, was developed to overcome these limitations.
  • Its efficacy was evaluated against the earlier Eagle Claw II model using the Erlangen model.

Purpose of the Study:

  • To assess the efficacy and performance of the Eagle Claw V endoscopic suturing device.
  • To compare the suturing speed and security of the Eagle Claw V with the Eagle Claw II.
  • To determine the feasibility of the Eagle Claw V for clinical applications.

Main Methods:

  • Porcine splenic arteries were mounted on a pig stomach model.
  • The Eagle Claw V, featuring a curved needle and a detachable tip with an embedded tightening mechanism, was used for plication.

Related Experiment Videos

  • Sutures were tested for security against endoluminal pressure exceeding 200 mm Hg for 10 seconds.

    • Main Results:

    • Secure vessel plication was achieved in 73.3% (11 of 15) of sutures.
    • Suturing time with the Eagle Claw V (2.93 +/- 0.80 minutes) was significantly faster than with the Eagle Claw II (9.38 +/- 1.51 minutes).
    • The device demonstrated consistent muscular layer penetration; failures were due to suture breakage, entanglement, or dislodgement.

    Conclusions:

    • The Eagle Claw V prototype shows substantial improvements in operational ease and suture security.
    • This advancement brings the endoscopic suturing technique closer to practical clinical implementation.
    • The device holds potential for diverse surgical applications requiring secure internal suturing.