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Related Experiment Videos

Experimental telemanipulation in endoscopic surgery

M O Schurr1, H Breitwieser, A Melzer

  • 1Section for Minimally Invasive Surgery, Eberhard-Karls University, Tuebingen, Germany.

Surgical Laparoscopy & Endoscopy
|June 1, 1996
PubMed
Summary
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Researchers developed a telepresence system for remote endoscopic surgery, enabling a feasible remote laparoscopic cholecystectomy in a phantom model. This advancement aims to overcome limitations of rigid endoscopic tools and improve intracorporeal mobility for surgical procedures.

Area of Science:

  • Medical Robotics
  • Minimally Invasive Surgery
  • Surgical Technology

Background:

  • Rigid endoscopic instruments restrict intracorporeal mobility, hindering the adoption of endoscopic techniques.
  • Development since 1992 has focused on flexible, steerable instruments with enhanced articulation.
  • Electromotors have been integrated for improved handling in recent instrument versions.

Purpose of the Study:

  • To develop a fully mobile telemanipulator with six motion axes for endoscopic surgery.
  • To define surgical requirements for the man-machine interface (MMI) of an electric telemanipulator.
  • To experimentally verify and complete concepts for an endoscopic manipulator MMI.

Main Methods:

  • Modification of a conventional master-slave manipulator for guiding laparoscopic instruments.

Related Experiment Videos

  • Establishment of a telepresence system with master and slave sites separated by 1.3 km, linked via fiber-optic cable.
  • Remote laparoscopic cholecystectomy performed in a phantom model.
  • Standardized testing on a parcours to evaluate control system parameters' influence on task execution time.

    • Main Results:

    • Remote laparoscopic cholecystectomy was successfully demonstrated in a phantom model.
    • Identification of well-suited parameter configurations for the control system.
    • Experimental verification of key aspects of the endoscopic manipulator MMI concept.

    Conclusions:

    • The developed telepresence system and MMI concepts are viable for future endoscopic surgery.
    • Advancements in telemanipulator technology can significantly enhance intracorporeal mobility and surgical capabilities.
    • Further development is planned with initial tests of a six-motion-axis telemanipulator scheduled for 1995.