3D Jaw Motion Visualization with Sensor Fusion
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Solution Overview
Problem
Current diagnostic modalities for jaw dysfunctions are fragmented, costly, and lack the ability to comprehensively visualize the relationship between jaw position, function, and associated physiologic parameters, making it difficult to accurately diagnose and treat craniomandibular disorders and sleep apnea.
Innovation Solution
A system utilizing pre-calibrated position sensors and a computer or cloud-based service to generate real-time, three-dimensional visualizations of the teeth and jaws, correlating motion data with physiologic measurements such as EMG, pulse oximetry, and heart activity, to provide a comprehensive understanding of craniomandibular system health.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple diagnostic modalities (MRI, CT, radiographs, sonography, jaw tracking, EMG) are used to comprehensively evaluate jaw dysfunctions, then diagnostic accuracy and understanding of craniomandibular disorders improve, but cost increases and the process becomes slow and difficult
Solution Approach 1:
The patent combines multiple diagnostic modalities (MRI, CT, radiographs, sonography, jaw tracking, EMG) into a single integrated 3D visualization system that displays all data simultaneously, allowing comprehensive evaluation without requiring separate analysis of each modality
Solution Approach 2:
The 3D visualization system serves multiple diagnostic functions simultaneously - it displays anatomical structures, tracks jaw motion, visualizes soft tissue status, and integrates physiologic measurements, replacing the need for multiple separate diagnostic tools and procedures
2Loss of information
If traditional 3D imaging and jaw tracking are used separately, then anatomical structure and jaw motion can be visualized, but the ability to fully evaluate six-dimensional jaw movement is limited
Solution Approach 1:
The patent enhances 3D visualization by incorporating temporal dimension through real-time jaw motion tracking, creating a four-dimensional representation that fully captures six-dimensional jaw movement including pitch, roll, and yaw across multiple planes
3Quantity of substance
If radiography and tomography are used for jaw imaging, then cost is reduced compared to MRI/CT, but visualization of soft tissue is lost and image quality is substandard
Solution Approach 1:
The system merges affordable radiographic/tomographic imaging with separate soft tissue visualization modalities (MRI, CT, sonography) into a single 3D display, achieving both cost-effectiveness and comprehensive soft tissue visualization by integrating multiple data sources
Data Source
AI summary
Pre-calibrated position sensors, and a computer or cloud based service are used to show motion in real time of the teeth and jaws depicting six degrees of freedom. The computer receives anatomically correct 3D images of any portion of the craniomandibular system with a position sensor(s) attached. The position sensor data is then transferred with wireless attachments to the patient to generate true to life motion of the digital 3D models of the teeth and jaws. The 3D models are then employed to provide various techniques for treating bite disorders.