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Updated: Jun 14, 2025

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Building An Open-source Robotic Stereotaxic Instrument
Published on: October 29, 2013
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A General Framework for Characterizing Inaccuracy in Stereotactic Systems
Michael A Jensen1, Joseph S Neimat2, Panagiotis Kerezoudis1
1Department of Neurologic Surgery, Mayo Clinic, Rochester , Minnesota , USA.
Operative Neurosurgery (Hagerstown, Md.)
|December 3, 2024
Summary
A new framework identifies and categorizes sources of targeting error in stereotactic surgery systems. This tool helps analyze inaccuracies across various neurosurgical robotic platforms for improved precision.
Area of Science:
- Neurosurgery and Medical Robotics
- Surgical Navigation and Accuracy
Background:
- Stereotactic procedures require high precision for optimal surgical outcomes.
- Understanding sources of targeting error is crucial for improving accuracy in stereotactic neurosurgery.
Purpose of the Study:
- To describe a generic framework for characterizing sources of stereotactic inaccuracy.
- To provide a unified approach for analyzing targeting errors in stereotactic systems.
Main Methods:
- Literature search (1969-2024) for studies on stereotactic system inaccuracies.
- Analysis of 10 stereotactic systems (ROSA, Neuromate, Mazor Renaissance, ExcelsiusGPS, Cirq, STarFix, Nexframe, ClearPoint, CRW, Leksell).
- Development of a framework based on Standards for Reporting Qualitative Research guidelines.
Main Results:
- A framework with 5 domains was generated: imaging, registration, mechanical accuracy, target planning and adjustment, and trajectory planning and adjustment.
- This framework was applied to analyze 10 different stereotactic systems.
- Detailed illustrations of stereotactic inaccuracies were provided.
Conclusions:
- The developed framework serves as a rubric for analyzing stereotactic system errors.
- Conceptual understanding of error sources aids practitioners in applying the framework to their specific stereotactic systems.
- This work aims to enhance the accuracy and outcomes of stereotactic surgical procedures.
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