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Image processing methodology for patient-specific instrument design.

Majid Mohammad Sadeghi¹, Emin Faruk Kececi²

¹Department of Mechatronics Engineering, Istanbul Technical University, Istanbul, Turkey.

The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS

|September 2, 2020

Summary

This study details the development of patient-specific instrumentation (PSI) software for reverse shoulder arthroplasty (RSA). The validated software successfully designs custom surgical guides, improving preoperative planning and surgical accuracy.

Keywords:

medical image processing patient-specific instrumentation preoperative planning shoulder arthroplasty software design

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Area of Science:

Orthopedic surgery
Biomedical engineering
Surgical technology

Background:

Patient-specific instrumentation (PSI) enhances surgical precision.
Software is essential for PSI's preoperative planning and instrument design.
Reverse shoulder arthroplasty (RSA) benefits from accurate instrumentation.

Purpose of the Study:

To present the methodology for developing a software tool for PSI guide design.
To enable preoperative planning for reverse shoulder arthroplasty (RSA) using custom guides.
To demonstrate the functionality of developed PSI software in RSA.

Main Methods:

Data preparation and feature transformation algorithms.
Development of algorithms for custom surgical guide geometry creation.
Integration of various software libraries for PSI tool development.

Main Results:

The developed PSI software was tested on three patient cases.
Preoperative planning and custom guide design were successfully performed.
Manufactured guides were tested on patient bones for RSA, demonstrating functionality.

Conclusions:

The study validates the processes involved in developing PSI software.
The design of patient-specific guides for RSA using the software is proven effective.
The presented methodology facilitates PSI software development and custom guide creation for RSA.