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Related Experiment Video

Updated: May 23, 2026

Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer
11:17

Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer

Published on: February 27, 2026

Anvil extension technology in thoracic surgery.

Todd L Demmy1, William R Mayfield

  • 1Department of Thoracic Surgery, Roswell Park Cancer Institute and University at Buffalo, Buffalo, New York 14263, USA. todd.demmy@roswellpark.org

The Annals of Thoracic Surgery
|March 28, 2012
PubMed
Summary
This summary is machine-generated.

A novel curved anvil design for endoscopic staplers significantly reduces operative time during thoracoscopic lung resection. This innovation streamlines the division of pulmonary hilum structures, improving surgical efficiency.

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Area of Science:

  • Thoracic Surgery
  • Surgical Instrumentation
  • Minimally Invasive Procedures

Background:

  • Endoscopic staplers are standard for dividing tubular structures in thoracoscopic lobectomy.
  • Current stapler designs present challenges in navigating the complex pulmonary hilum.
  • Difficulty in passing straight anvils can prolong operative times.

Purpose of the Study:

  • To develop and evaluate a modified endoscopic stapler anvil to overcome passage limitations.
  • To improve the efficiency of dividing hilar structures during thoracoscopic lung resection.

Main Methods:

  • A new stapler anvil design was created by combining two independent concepts.
  • The design aims to facilitate passage through the pulmonary hilum's complex anatomy.
  • Video analysis of 45 thoracoscopic lung resections (lobectomy and pneumonectomy) was performed.

Main Results:

  • Review of 220 hilar structure divisions identified prolonged passage times with standard techniques.
  • Early experience with 51 passes using the new curved anvil design showed significant time savings.
  • Median passage time was reduced from 115 seconds to 61 seconds (p = 0.005).

Conclusions:

  • Curved tip anvils for endoscopic linear cutting staplers are effective in speeding up thoracoscopic lung resections.
  • This modification offers a practical solution to enhance surgical efficiency in lung surgery.