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A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement

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[Evaluation on Surgical Robotic Pose Repeatability Based on Laser Tracking Measurement].

Jian Jin^1,2,3, Zhengjie Sun^1,2,3, Kun Du^1,2,3

¹Zhejiang Institute of Medical Device Supervision and Testing, Hangzhou, 310018.

Zhongguo Yi Liao Qi Xie Za Zhi = Chinese Journal of Medical Instrumentation

|February 12, 2022

Summary

A new method accurately measures surgical robot pose repeatability for registration and safety. This technique ensures reliable data for surgical robot evaluation and traceability.

Keywords:

laser tracking measurement pose repeatability safety evaluation surgical robot

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Area of Science:

Robotics
Surgical Technology
Measurement Science

Background:

Accurate registration and safety evaluation are critical for surgical robot systems.
Existing methods may lack sufficient precision for comprehensive robotic surgical device assessment.

Purpose of the Study:

To propose and validate a novel pose repeatability measurement method for master-slave surgical robots.
To ensure accurate data for regulatory registration and safety assessments of surgical robots.

Main Methods:

Designed a target ball fixture adaptable to various surgical robot end-effectors (e.g., electric knife, ultrasonic knife).
Measured node data at 10%, 50%, and 100% of the robot's rated speed.
Analyzed collected data to determine pose repeatability characteristics.

Main Results:

The developed method demonstrated high applicability and repeatability across different measurement speeds.
Pose repeatability properties were successfully obtained for the tested surgical robot samples.
The measurement results met the requirements for data traceability and registration testing.

Conclusions:

The proposed pose repeatability measurement method is effective for surgical robots.
This method provides reliable data crucial for surgical robot registration and safety evaluation.
The technique supports data traceability, enhancing the overall quality assurance of surgical robotic systems.