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A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique

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Scope actuation system for articulated laparoscopes.

Nihal Abdurahiman¹, Mohammad Khorasani¹, Jhasketan Padhan¹

¹Department of Surgery, Hamad Medical Corporation, Doha, Qatar.

Surgical Endoscopy

|February 7, 2023

Summary

A new articulated scope actuation system improves surgical navigation compared to manual control. This robotic system enhances visualization and control in confined surgical spaces, outperforming human assistants.

Keywords:

Articulated scopes Laparoscopic surgery Robotic scope assistant system Scope holders Surgical robots

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Area of Science:

Surgical Robotics
Minimally Invasive Surgery
Medical Device Engineering

Background:

Articulated laparoscopes offer improved viewing angles in confined surgical areas.
Actuation systems can enhance the control and maneuverability of articulated laparoscopes.

Purpose of the Study:

To develop and evaluate a prototype scope actuation system for articulated laparoscopes.
To compare the performance of an actuated scope system against manual control by a surgical assistant in a simulated surgical task.

Main Methods:

A prototype actuation system was developed for an off-the-shelf articulated laparoscope.
A user study compared an actuated mode (surgeon-controlled) with a manual mode (assistant-controlled) in a video-assisted thoracic surgery paradigm.
Performance was evaluated based on time to visualize a target, scope focus stability, and number of focus shifts.

Main Results:

The actuated mode demonstrated superior performance across all measured parameters compared to the manual mode.
Key performance improvements included reduced time to visualize targets and enhanced scope focus stability.
No significant performance differences were found between different configurations of the actuated system.

Conclusions:

The developed articulated scope actuation system provides superior navigation and visualization compared to a human assistant.
The system ensures effective navigation and visualization regardless of the insertion orientation of the articulated laparoscope.