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Evaluation of a new robotic-assisted laparoscopic surgical system for procedures in small cavities

  • Robert BergholzEmail author
  • Sanne Botden
  • Johannes Verweij
  • Stefaan Tytgat
  • Wim Van Gemert
  • Michael Boettcher
  • Heiko Ehlert
  • Konrad Reinshagen
  • Stefano Gidaro
Original Article
  • 4 Downloads

Abstract

No data exists concerning the application of a new robotic system with 3-mm instruments (Senhance™, Transenterix, Milano, Italy) in small cavities. Therefore, the aim of this study was to test the system for its performance of intracorporal suturing in small boxes simulating small body cavities. Translucent plastic boxes of decreasing volumes (2519–90 ml) were used. The procedures (two single stitches, each with two consecutive surgical square knots) were performed by a system-experienced and three system-inexperienced surgeons in each box, starting within the largest box, consecutively exchanging the boxes into smaller ones. With this approach, the total amount of procedures performed by each surgeon increased with decreasing volume of boxes being operated in. Outcomes included port placement, time, task completion, internal and external instrument/instrument collisions and instrument/box collisions. The procedures could be performed in all boxes. The operating time decreased gradually in the first three boxes (2519–853 ml), demonstrating a learning curve. The increase of operating time from boxes of 599 ml and lower may be attributed to the increased complexity of the procedure in small cavities as in the smallest box with the dimensions of 2.9 × 6.3 × 4.9 cm. This is also reflected by the parallel increase of internal instrument–instrument collisions. With the introduction of 3-mm instruments in a new robotic surgical system, we were able to perform intracorporal suturing and knot tying in cavities as small as 90 ml. Whether this system is comparable to conventional three-port 3-mm laparoscopic surgery in small cavities—such as in pediatric surgery—has to be evaluated in further studies.

Keywords

Robotics Laparoscopy Computer-assisted laparoscopy Pediatric surgery 

Notes

Acknowledgements

The authors thank Fred Brueckner, Wouter Donders, Sara Lazzaretti, Raul Blanco Sanchez and Anastasios Karamanidis for technical and logistic support.

Compliance with ethical standards

Conflict of interest

Robert Bergholz is a stockholder of TITAN Medical (a competing robotic system (SPORT) under development), Transenterix and a medical consultant of Transenterix. Sanne Botden, Wim Van Gemert, Stefaan Tytgat and Stefano Gidaro are medical consultants of Transenterix. Transenterix provided the robotic system placed at the UKE Medical Center Hamburg-Eppendorf for study purposes but no other further material. Transenterix covered travel expenses for Sanne Botden, Wim Van Gemert, Stefaan Tytgat and Robert Bergholz for an introductory meeting in Milano, Italy. Johannes Verweij, Michael Boettcher, Heiko Ehlert and Konrad Reinshagen have nothing to disclose.

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Pediatric SurgeryUKE Children’s Hospital, University Medical Center Hamburg-Eppendorf (UKE)HamburgGermany
  2. 2.Department of Pediatric SurgeryRadboudumc-Amalia Children’s HospitalNijmegenThe Netherlands
  3. 3.Department of Pediatric SurgeryWilhemina Children’s Hospital, University Medical Center UtrechtUtrechtThe Netherlands
  4. 4.Department of Pediatric SurgeryUniversity Medical Center Maastricht, University of MaastrichtMaastrichtThe Netherlands
  5. 5.Central OR Management for General and Hepatobiliary Surgery, University Medical Center Hamburg-EppendorfHamburgGermany
  6. 6.Department of Medical, Oral and Biotechnological SciencesUniversity G. D’AnnunzioChieti-PescaraItaly

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