Virtual Operating Room Layout Planning Tool for Surgical Navigation
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Solution Overview
Problem
The layout of an operating room for minimally invasive surgical procedures can be challenging, particularly when using navigation systems, as it requires precise arrangement of equipment and personnel to ensure accurate tracking of instruments and patient positioning, and any substandard layout can lead to delays and complications during surgery.
Innovation Solution
A virtual coordinate space-based system for planning the operating room layout, which includes defining a patient model and trajectory of access, rendering these models on a display, determining the navigation camera's field of view, and ensuring a direct line-of-sight to the zone of operation, while providing visual and auditory feedback for optimal equipment placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the operating room layout is arbitrarily changed to improve flexibility and adaptability, then the ease of operation and adaptability improve, but the registration accuracy and tracking precision deteriorate
Solution Approach 1:
The system performs preliminary validation of the operating room layout before surgery begins. By checking camera positions, tool tracking zones, and registration parameters in advance, the system ensures that layout changes will not compromise registration accuracy or tracking precision, thus allowing flexible layout adjustments while maintaining measurement precision.
Solution Approach 2:
The system provides real-time feedback on layout configuration by monitoring whether the navigation camera has direct line-of-sight to the zone of operation and whether tools are within tracking zones. This feedback mechanism allows operators to adjust the layout while maintaining registration accuracy and tracking precision through iterative optimization.
2Reliability
If the operating room layout is substandard and requires correction, then the layout quality improves, but the time consumption and operational delays increase
Solution Approach 1:
The system validates the operating room layout before surgery begins, identifying any substandard conditions in advance. By performing layout verification and necessary corrections during the planning phase rather than during surgery, the system prevents time-consuming interruptions and delays during the actual surgical procedure.
Solution Approach 2:
The system automatically detects layout problems and guides operators through corrections without requiring manual intervention or expert knowledge. The automated validation process identifies issues such as blocked camera views or tools outside tracking zones and provides guidance for resolution, reducing the time and expertise needed for layout correction.
3Measurement precision
If re-registration operations are performed to correct layout issues, then the registration accuracy improves, but the time consumption and surgical delays increase
Solution Approach 1:
The system checks registration parameters and camera positions before surgery begins, ensuring that the initial layout supports accurate tracking. By validating the registration setup in advance, the system eliminates the need for time-consuming re-registration operations during surgery, thus maintaining registration accuracy while avoiding time loss.
Solution Approach 2:
The system continuously monitors whether tools and the navigation camera are within appropriate zones for accurate tracking. By providing real-time feedback on tracking conditions, the system allows operators to make minor adjustments that maintain registration accuracy without requiring full re-registration operations, thus preventing surgical delays.
Data Source
AI summary
A method and system to generate an operating room layout plan for a surgical procedure involving a patient and a trajectory of access. A patient model is positioned in a virtual coordinate space representing the operating room, and is rendered, along with the trajectory of access relative to the patient, on a display. The trajectory of access defines a zone of operation in the virtual coordinate space. The planning system receives selection of a navigation camera location in the virtual coordinate space; renders a navigation camera model visually indicating an operative field of view; determines whether the navigation camera has a direct line-of-sight to the zone of operation and, if not, indicates an error; and outputs the operating room layout plan based on the location of the models in the virtual coordinate space.