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Updated: Sep 11, 2025

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Skills assessment for laparoscopic surgery based on computer analysis metrics: ScopePro Trainer.

Daniel Lorias-Espinoza¹, Sandra Karina Díaz Cardona², Leobardo Elí Sánchez Velasco¹

¹Sección de Bioelectrónica, Departamento de Ingeniería Eléctrica, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico, Mexico.

Surgical Endoscopy

|August 11, 2025

Summary

The ScopePro Trainer system effectively assesses surgeons' psychomotor laparoscopic skills, differentiating expertise levels. This validated tool offers an objective method for surgical skill evaluation and training.

Keywords:

Computer vision Objective assessment ScopePro Surgical training Validation

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Area of Science:

Surgical Education
Medical Simulation
Biomedical Engineering

Background:

Laparoscopic surgery requires specialized psychomotor skills.
Objective assessment tools are crucial for surgical training and evaluation.
Existing tracking systems may not fully capture instrument motion.

Purpose of the Study:

To present the construct validity of the ScopePro Trainer system.
To determine its effectiveness in training and objectively assessing surgeons' psychomotor laparoscopic skills.

Main Methods:

Four surgeons, eight residents, and twenty medical students participated.
Participants performed FLS-based tasks using conventional instruments and the ScopePro Trainer.
Six metrics (time, linear/angular motion) were used, with statistical analysis via ANOVA and t-tests.

Main Results:

The ScopePro Trainer visually represented instrument paths and calculated motion metrics.
Significant differences in participant skills were observed across the three surgical training tasks.
The system demonstrated its ability to differentiate skill levels.

Conclusions:

The ScopePro Trainer system is validated as an effective tool for laparoscopic skill assessment.
It successfully differentiates between varying levels of laparoscopic expertise.
ScopePro provides an alternative to traditional tracking for analyzing surgical instrument rotation.