Endoscope System 3D Navigation Trail Visualization
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Solution Overview
Problem
Current endoscope systems lack effective navigation and visualization tools to accurately guide the insertion of the endoscope to specific destinations within body cavities, such as the renal pelvis and calices, making it difficult to determine if the endoscope has passed through the intended luminal organ during procedures like renal calculi removal.
Innovation Solution
An endoscope system that includes a storage portion for three-dimensional image information, a luminal organ extraction portion, an image pickup portion, a position information acquisition portion, a position alignment portion, and an image processing portion to generate trail information and superimpose it on three-dimensional image data, allowing for real-time visualization of the endoscope's path and position within the organ.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If X-ray photographing is performed during treatment to ascertain endoscope position, then position information is obtained, but the system lacks real-time visualization of the insertion path and current position within the luminal organ
Solution Approach 1:
The patent transforms two-dimensional X-ray images into three-dimensional image data by acquiring multiple X-ray images from different angles and reconstructing them into 3D volumetric data. This dimensional transformation enables comprehensive visualization of the insertion path within the luminal organ, solving the problem of path information loss while maintaining position accuracy.
Solution Approach 2:
The patent introduces a image processing portion as an intermediary that processes both the X-ray position information and the 3D image data. This intermediary component generates trail information representing the insertion path and superimposes it on the 3D luminal organ image, bridging the gap between position measurement and path visualization.
2Ease of operation
If trail information and determination information are superimposed on three-dimensional image data, then navigation capability is improved, but the system complexity increases
Solution Approach 1:
The patent merges multiple information types (trail information showing insertion path, determination information indicating current position, and 3D luminal organ image data) into a single integrated visual display. The image processing portion combines these elements and superimposes them on the 3D image, improving navigation capability while consolidating functions rather than adding separate complex systems.
Solution Approach 2:
The patent creates a virtual copy of the insertion path as trail information and superimposes it on the 3D image data. This copying approach allows the system to display historical position information without requiring additional physical sensors or complex measurement systems, thereby improving navigation while minimizing complexity increase.
3Manufacturing precision
If the endoscope insertion path is visualized in real-time, then procedural accuracy is improved, but the processing time and computational load increase
Solution Approach 1:
The patent performs preliminary actions by pre-acquiring 3D image data of the luminal organ before the endoscope insertion procedure. This pre-processing of the anatomical structure allows the system to quickly overlay and track the insertion path in real-time without requiring complex real-time 3D reconstruction, thereby improving procedural accuracy while minimizing processing time during the actual procedure.
Solution Approach 2:
The patent skips time-consuming operations by using pre-acquired 3D image data and only processing the necessary trail information overlay in real-time. Instead of performing full 3D reconstruction and analysis during the procedure, the system rapidly processes position data and superimposes it on the existing 3D model, achieving real-time visualization with minimal processing delay.
Data Source
AI summary
An endoscope system includes: an image processing portion that constructs three-dimensional data based on preoperative multi-slice image data and extracts a predetermined luminal organ; a position detection apparatus that acquires position information of an image pickup portion; a position alignment portion that makes position information of the image pickup portion correspond to coordinates of the three-dimensional data; and an image processing portion that generates trail information based on the position information of the image pickup portion, and based on a result of the position alignment portion, creates an image in which past trail information, insertion shape information including current distal end position information with respect to the image pickup portion, and determination information obtained by determining whether or not the image pickup portion passes through a duct in three-dimensional data of the predetermined luminal organ are superimposed in a distinguishable manner on three-dimensional image information of the predetermined luminal organ.