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Related Experiment Video

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Redefining surgical workflow efficiency: evaluation of a novel laparoscopic multi-tool prototype.

Fabian Haak1, Hans-Michael Tautenhahn2, Uwe Scheuermann2

  • 1Division of Hepatobiliary Surgery and Visceral Transplant Surgery, Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Leibnizstraße 11, 04105, Leipzig, Germany. Fabian.haak@medizin.uni-leipzig.de.

Surgical Endoscopy
|November 3, 2025
PubMed
Summary

This study evaluated a novel laparoscopic prototype for intracorporeal tool switching. The system demonstrated feasibility for rapid tool changes, showing promise for reducing surgical interruptions and improving workflow efficiency.

Keywords:
Ergonomics in surgeryLaparoscopic instrumentsMinimally invasive surgeryPrototype evaluationSurgical workflowUsability testing

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Area of Science:

  • Minimally Invasive Surgery
  • Surgical Technology
  • Laparoscopy

Background:

  • Minimally invasive surgery (MIS) offers patient benefits but faces workflow challenges from frequent instrument exchanges.
  • Symphera GmbH developed a laparoscopic prototype for intracorporeal tool tip switching to address these inefficiencies.

Purpose of the Study:

  • To evaluate the safety, efficiency, and ergonomics of a novel laparoscopic prototype enabling intracorporeal tool switching.
  • To assess the feasibility of reducing surgical interruptions and enhancing workflow in MIS.

Main Methods:

  • Seven experienced surgeons performed standardized tasks using the prototype in a simulated laparoscopic environment.
  • Evaluation included video analysis for quantitative data and semi-structured interviews/questionnaires for qualitative insights on precision, ergonomics, and tool-switching.

Main Results:

  • The prototype was safe and functional, with all tasks completed successfully.
  • Automated tool changes averaged 3.4 seconds; errors occurred in 4.73% of changes, with 6.08% causing software issues.
  • Surgeons rated tool exchange positively but ergonomics moderately, noting gender-related usability differences. High precision in monopolar application was observed.

Conclusions:

  • The laparoscopic prototype is safe and functional, demonstrating feasibility for rapid intracorporeal tool switching.
  • While software and ergonomics require refinement, the system shows potential to reduce operative inefficiencies.
  • Further development and clinical trials are needed to confirm its clinical and economic value.