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Application of Laparoscopic Ultrasonography in Primary Choledochal Suture during Combined Two-lens Surgery

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Improving vision for surgeons during laparoscopy: the Enhanced Laparoscopic Vision System (ELViS).

Bertrand Trilling^1,2, Adrian Mancini^3,4, Gaëlle Fiard^3,5

¹TIMC-IMAG Laboratory, Grenoble Alps University, National Centre for Scientific Research, Grenoble National Polytechnical Institute, Grenoble Alps University Hospital, Grenoble, France. Btrilling@chu-grenoble.fr.

Surgical Endoscopy

|March 2, 2021

Summary

The Enhanced Laparoscopic Vision System (ELViS) offers surgeons a broader view during minimally invasive surgery, overcoming blind spots common with traditional laparoscopy. This system demonstrated good usability and provided valuable feedback in an animal model study.

Keywords:

Animal model Distributed laparoscopy Enhanced visualisation Phase 0 medical device evaluation Trocar prototype

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Area of Science:

Surgical Innovation
Medical Imaging Technology
Minimally Invasive Surgery

Background:

Laparoscopy offers patient recovery benefits over laparotomy but has surgeon blind spots.
Existing alternative camera systems lack resolution, robustness, or real-time imaging for surgery.
The Enhanced Laparoscopic Vision System (ELViS) aims to provide a broad surgical view alongside high-resolution endoscopy.

Purpose of the Study:

To evaluate the added value and usability of the Enhanced Laparoscopic Vision System (ELViS).
To assess the performance of ELViS in a live animal model compared to conventional laparoscopy.

Main Methods:

Expert laparoscopy surgeons performed procedures on a live pig model using conventional endoscopy and ELViS.
Time-to-completion for surgical tasks was measured.
Surgeon usability was assessed via interviews and the System Usability Scale (SUS).

Main Results:

ELViS proof of concept was achieved in an animal model with no adverse events.
No significant difference in time-to-completion was observed between conventional and ELViS-assisted surgery.
The mean SUS score for ELViS was 74.7, indicating "good" usability, with surgeons noting advantages in specific surgical scenarios.

Conclusions:

The ELViS prototype demonstrated good usability and feasibility in a live animal model.
The study provided valuable feedback for the further development of the ELViS.
ELViS shows promise for improving surgical field visualization in laparoscopy.