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Longitudinal Intravital Imaging Through Clear Silicone Windows
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Laparoscopic peritoneal entry with the reusable threaded visual cannula.

Artin M Ternamian1, George A Vilos, Angelos G Vilos

  • 1Department of Obstetrics and Gynecology, Division of Gynecologic Endoscopy, St. Joseph's Health Centre, University of Toronto, Toronto Ontario, Canada. artin.ternamian@utoronto.ca

Journal of Minimally Invasive Gynecology
|July 13, 2010
PubMed
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Establishing laparoscopic ports using the trocarless visual cannula (TVC) is feasible and reproducible. This method demonstrates high adoptability for gynecologic surgery, with minimal complications observed.

Area of Science:

  • Minimally Invasive Surgery
  • Gynecologic Surgery
  • Surgical Technology

Background:

  • Laparoscopic surgery requires safe and efficient establishment of peritoneal access.
  • Traditional port placement methods can carry risks of injury.
  • The trocarless and externally threaded visual cannula (TVC) offers a novel approach to port establishment.

Purpose of the Study:

  • To evaluate the feasibility, reproducibility, and safety of using the trocarless TVC for laparoscopic port creation.
  • To assess the adoption rate and potential complications associated with this technique.

Main Methods:

  • A multicenter, prospective, observational study involving 4,724 women undergoing laparoscopic surgery.
  • The trocarless TVC was used for port establishment after initial Veress needle insertion.

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  • Data on entry-related events and complications were collected and analyzed.

    • Main Results:

    • The trocarless TVC was successfully used in the vast majority of cases, with high rates of umbilical and left upper quadrant entry.
    • No serious abdominal wall or intra-abdominal vascular injuries were reported.
    • One intraoperative injury to the transverse colon occurred, which was recognized and repaired.

    Conclusions:

    • Laparoscopic port establishment using the trocarless TVC is feasible, reproducible, and shows high adoptability.
    • The technique appears safe, with a low rate of significant complications.