Endoscope Controller with Coordinate Mapping for Surgical Positioning
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Solution Overview
Problem
In laparoscopic surgery, existing systems face challenges in efficiently and accurately guiding the endoscope to specific regions of interest within the abdominal cavity, requiring manual adjustment by the operator to optimize the visual field for treatment.
Innovation Solution
A medical system comprising an electrically driven endoscope, a controller, and an input device that records preoperative models of organs, associates coordinate systems to calculate and adjust the endoscope's position based on operation tasks, allowing for automatic operation and precise visualization of sites of interest.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of the endoscope is used to optimize the visual field, then the operator can control the endoscope position, but the operator burden increases and positioning efficiency decreases
Solution Approach 1:
The system automatically positions the endoscope by itself using preoperative planning data and coordinate system transformation, without requiring manual operation. The controller receives site names from the input device and autonomously calculates endoscope positioning based on the stored model and coordinate associations, making the system serve itself rather than requiring continuous operator intervention.
Solution Approach 2:
The patent replaces manual mechanical adjustment of the endoscope with an automated control system that uses coordinate system transformation and calculation. Instead of the operator physically moving the endoscope based on visual feedback, the system substitutes this mechanical process with computational geometry and automated actuation based on pre-planned coordinates.
2Measurement precision
If preoperative planning with model recording is implemented, then positioning precision is improved, but device complexity increases
Solution Approach 1:
The system performs preoperative planning in advance by recording the three-dimensional model of the organ and associating it with coordinate systems before the actual surgical procedure. This preliminary action includes storing site names and their corresponding coordinates, so that during surgery the endoscope can be directly positioned using these pre-calculated references without requiring complex real-time calculations.
Solution Approach 2:
The patent introduces a coordinate system transformation as an intermediary between the preoperative model and the actual endoscope positioning. The controller acts as a mediator that transforms coordinates from the preoperative coordinate system to the real-time camera coordinate system, enabling precise positioning without requiring direct complex communication between all system components.
3Speed
If automatic endoscope operation is implemented, then positioning speed is improved, but control flexibility is reduced
Solution Approach 1:
The system allows dynamic switching between automatic positioning mode and manual control mode. The controller can receive site names and automatically position the endoscope when needed for efficiency, while also allowing the operator to take manual control when flexibility is required. This dynamic adaptability enables the system to adjust its degree of automation based on the specific surgical situation and operator preferences.
Data Source
AI summary
A medical system and an operating method of a medical system are disclosed. The medical system can operate an endoscope to perform an operation task with respect to a site of interest of an organ of concern in response to input from an operator. The medical system includes a controller that can record a model of the organ of concern generated during preoperative planning, and record the names of a plurality of sites in the organ of concern, and corresponding regions or points in the model with respect to a first coordinate system. The controller receives the name of the site of interest, and the operation task; associates the first coordinate system of the model with a second coordinate system of a display space displayed by a display image; and operates the endoscope with respect to the site of interest on the basis of the operation task.