Orthognathic Surgery Simulation With Patient-Specific Movement Axes
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Solution Overview
Problem
Existing surgery simulations for orthognathic surgery lack clear criteria for rotation and movement based on patient-specific anatomical features, making it difficult for doctors to accurately plan and explain the surgery to patients, and the simulations lack the ability to reproduce the same results consistently.
Innovation Solution
A method and system that utilize patient-specific anatomical landmarks to set rotation and movement axes, allowing for a systematic simulation of orthognathic surgery operations, enabling reproducible and explainable surgical plans using numerical values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If arbitrary origin of rotation and ambiguous axes are used in surgery simulation, then the simulation can be performed with simple preset criteria, but the anatomical features of each patient are not reflected and clear criteria are not provided
Solution Approach 1:
The patent applies local quality by defining rotation and movement axes based on patient-specific anatomical landmarks rather than using uniform arbitrary axes for all patients. Each patient's simulation uses locally adapted coordinate systems derived from their unique anatomical features, ensuring both ease of setup through automated landmark detection and high anatomical accuracy in the simulation results.
2Device complexity
If all movements and rotations are merged into single movement result and rotation result, then the simulation process is simplified to two stages, but clear explanation cannot be provided to patient and the user cannot perform the same plan again
Solution Approach 1:
The patent applies segmentation by dividing the surgical plan into multiple discrete operations, each with specific movement and rotation parameters. Instead of merging all transformations into single results, the system segments the simulation into individual surgical steps that can be independently analyzed, explained to patients, and reproduced. This maintains process simplicity while preserving complete surgical information for reproducibility.
3Productivity
If arbitrary criteria are used for rotation and movement in surgery simulation, then the simulation can be performed quickly, but it requires a lot of effort for doctor to simulate movement and rotation on x, y, and z axes to set ideal position of jawbone
Solution Approach 1:
The patent applies self-service by enabling the simulation system to automatically determine optimal rotation and movement axes based on patient-specific anatomical landmarks. Instead of requiring doctors to manually adjust axes and parameters, the system autonomously configures the simulation environment, allowing doctors to focus on interpreting results and making clinical decisions rather than performing repetitive adjustment operations.
Data Source
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AI summary
Provided is a method of providing a surgery simulation according to various embodiments of the present disclosure to solve the above-described problems. The method is performed by one or more processors of a computing device, and includes generating three-dimensional (3D) modeling data on the basis of a medical image, generating a user interface including the 3D modeling data, and providing the user interface to a user terminal, and generating surgery simulation result data by performing the surgery simulation on the basis of a response to the user interface, the response being received from the user terminal.