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Multi-Functional Surgical Robot for Laparo-Endoscopic Single-Site Colectomies

[+] Author Affiliations
T. D. Wortman, R. L. McCormick, E. J. Markvicka, T. P. Frederick, S. M. Farritor

University of Nebraska-Lincoln, Lincoln, NE

D. Oleynikov

University of Nebraska Medical Center, Omaha, NE

Paper No. DETC2011-48497, pp. 653-658; 6 pages
  • ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 6: 35th Mechanisms and Robotics Conference, Parts A and B
  • Washington, DC, USA, August 28–31, 2011
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5483-9
  • Copyright © 2011 by ASME


This paper presents work to develop a miniature in vivo robot for Laparo-Endoscopic Single-Site (LESS) colectomy. Colon resections are generally not done laparoscopically and would benefit from a robotic platform that reduces the limitations that are currently encountered. This paper looks at the workspace, forces, and speeds of a recently developed miniature in vivo surgical robot platform and analyzes the ability to perform a colon resection based on these criteria. The robotic platform used in this study consists of a two armed robotic prototype and a remote surgeon interface. For the surgical procedure, each arm of the robot is inserted individually into a single five centimeter incision and then assembled within the abdominal cavity. A surgeon then utilizes a user interface that is remotely located within the operating room. The current robotic platform has recently been demonstrated successfully in an in vivo procedure.

Copyright © 2011 by ASME



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