OCT System Automated Optical Instrument Identification
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Solution Overview
Problem
The integration of additional optical elements into surgical microscopes or OCT systems is challenging due to the risk of operating errors and the need for precise knowledge of all optical elements in the beam path, which can lead to scaling errors affecting medical navigation and diagnostics.
Innovation Solution
A method and system for detecting and analyzing OCT signals from optical instruments in the beam path, using interferometry and image recognition algorithms to determine properties and positions of these instruments, enabling automated identification and classification, thereby reducing input errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional optical elements are inserted into the beam path, then imaging capabilities are enhanced, but the risk of operating errors increases
Solution Approach 1:
The system automatically detects and identifies optical elements in the beam path using OCT signals and image recognition algorithms, eliminating the need for manual input. The system self-configures by determining properties and characteristics of detected elements, thereby reducing operating errors while maintaining enhanced imaging capabilities
Solution Approach 2:
The system continuously monitors the beam path using OCT signals and provides feedback about detected optical elements. This feedback mechanism allows automatic adjustment and verification of the optical configuration, ensuring reliable operation while supporting diverse imaging capabilities
2Adaptability or versatility
If additional optical elements are inserted into the beam path, then imaging capabilities are enhanced, but scaling errors affect medical navigation and diagnostics
Solution Approach 1:
The system performs preliminary detection and characterization of optical elements before imaging procedures begin. By identifying properties such as magnification factors and optical path modifications in advance, the system can pre-correct scaling parameters, ensuring precise medical navigation and diagnostics while utilizing enhanced imaging capabilities
Solution Approach 2:
The system automatically adjusts imaging and measurement parameters based on detected optical elements. By dynamically changing parameters such as scale factors, magnification corrections, and calibration values according to the detected optical configuration, the system eliminates scaling errors while maintaining enhanced imaging capabilities
3Device complexity
If manual selection of optical instruments is required, then device complexity is reduced, but input errors occur
Solution Approach 1:
The system automatically detects and identifies optical elements in the beam path using OCT signals and image recognition algorithms, eliminating the need for manual input. The system self-configures by determining properties and characteristics of detected elements, thereby reducing operating errors while maintaining enhanced imaging capabilities
Solution Approach 2:
The system replaces manual selection mechanisms with automated optical detection and image recognition. By substituting the mechanical/manual interaction with automated OCT-based detection and algorithmic identification, the system eliminates input errors while maintaining simplicity in the user interface
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for accurate identification and classification of optical instruments, reducing the risk of operating errors and ensuring precise image evaluation, enhancing medical navigation and diagnostics by providing reliable data on optical elements in the beam path.
Implementation Method 1
Optical coherence tomography (OCT), which allows the three-dimensional microscopic imaging of optically transparent and/or reflective objects
Implementation Method 2
Optical coherence tomography (OCT) is essentially an interferometric method using broadband light with a short coherence length
Implementation Method 3
Surgical microscopes are regularly used in ophthalmic procedures... The surgical microscope provides continuous or semi-continuous imaging of eye structures
Data Source
Figure 1~2
Figure 3
Figure 4~5(B)
AI summary
The present invention relates to a method for operating an OCT system (100), the method comprising the following steps: acquiring (S100) an OCT signal (19) from an optical instrument (40) placed in a beam path (12) of the OCT system (10) and/or from a predetermined structure placed in the beam path (12) of the OCT system (10); determining (S200) a geometric property (41) and/or a position (42) of the optical instrument (40) and/or a property of the predetermined structure based on the OCT signal (19); determining (S30) a characteristic parameter of the optical instrument (40) based on the geometric property (41) and/or the position (42) of the optical instrument (40) and/or based on the property of the predetermined structure; and selecting an optical instrument (40) from a plurality of previously known optical instruments with previously known characteristics based on the determined characteristic.The present invention further relates to an OCT system (100) for carrying out the method.