Tissue Compression Analysis for Magnetically Anchored Cautery Dissector During Single-Site Laparoscopic Cholecystectomy
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- 作者：Lauren B. Mashaud (1)
Wareef Kabbani (2)
Angel Caban (1)
Sarah Best (3)
Deborah C. Hogg (1)
Jeffrey A. Cadeddu (3)
Richard Bergs (4)
Heather Beardsley (4)
Raul Fernandez (4)
Daniel J. Scott (1) - 关键词：Magnetic anchoring and guidance systems (MAGS) ; Magnets ; Laparoscopy ; Natural orifice translumenal endoscopic surgery (NOTES) ; Laparoendoscopic single ; site surgery (LESS) ; Histology
- 刊名：Journal of Gastrointestinal Surgery
- 出版年：2011
- 出版时间：June 2011
- 年：2011
- 卷：15
- 期：6
- 页码：902-907
- 全文大小：391KB
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Wareef Kabbani (2)
Angel Caban (1)
Sarah Best (3)
Deborah C. Hogg (1)
Jeffrey A. Cadeddu (3)
Richard Bergs (4)
Heather Beardsley (4)
Raul Fernandez (4)
Daniel J. Scott (1)
1. Southwestern Center for Minimally Invasive Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-9156, USA
2. Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
3. Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
4. Texas Manufacturing Assistance Center, Automation and Robotics Research Institute, University of Texas, Arlington, TX, USA
文摘
Introduction The purpose of this study was to evaluate the histological effects of dynamic abdominal wall compression using the magnetic anchoring and guidance system (MAGS) platform. Methods Cholecystectomy was performed in two nonsurvival and two survival pigs using a single-site laparoscopic (SSL) approach. A deployable MAGS cautery dissector was used to perform the entire dissection in conjunction with a laparoscope and other instruments. The abdominal wall areas corresponding to the region occupied by the MAGS platform were examined grossly and microscopically for signs of tissue damage. Gallbladder dissection time was 36?min with no complications. Compressed abdominal wall thickness was 1.4?cm. Results In all four animals, a very mild skin erythema was noted immediately postprocedure but was nonvisible within 20?min. Mild peritoneal blanching was noted in two animals, and one animal exhibited a 5-mm area of petechiae. Necropsy demonstrated no adhesions. Light microscopy documented no evidence of tissue injury for all specimens. Discussion This study demonstrated that the use of the MAGS cautery dissector for a SSL cholecystectomy was advantageous in providing triangulation and did not result in any significant gross or microscopic tissue damage despite the thin abdominal wall of the porcine model.