Overlaying Organ Parameter Maps to Reduce Positioning Errors
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Solution Overview
Problem
Current medical procedures require physicians to switch between multiple anatomical maps to visualize various parameters, leading to potential errors due to inaccurate positioning of parameters during minimally-invasive procedures like cardiac ablation.
Innovation Solution
A system comprising a processor that receives and overlays multiple datasets corresponding to different properties of an organ, assigning visual attributes such as colors and textures to measurements, allowing for the display of multiple parameters on a single anatomical map, enabling improved visualization and accuracy during procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple anatomical maps are displayed separately to show different parameters, then each parameter can be visualized clearly, but the physician must switch between maps which increases the risk of positioning errors and reduces procedure efficiency
Solution Approach 1:
The patent combines multiple separate anatomical maps into a single integrated map display. Different parameters (voltage, activation time, impedance) are overlaid on the same anatomical structure, allowing the physician to view all parameters simultaneously without switching between multiple displays, thereby eliminating positioning errors while maintaining clear visualization of each parameter
Solution Approach 2:
The patent uses visual encoding in additional dimensions (color, texture, opacity) to represent different parameters on the same spatial map. By mapping parameters to visual attributes rather than requiring separate spatial displays, the system accommodates multiple parameters without increasing spatial complexity, resolving the contradiction between clear parameter visualization and positioning accuracy
2Measurement precision
If multiple separate maps are displayed for different parameters, then each parameter can be analyzed in detail, but the procedure time increases due to the need to switch between maps
Solution Approach 1:
The patent merges multiple parameter displays into a single integrated view, allowing physicians to analyze all parameters simultaneously without the time-consuming process of switching between separate maps. This maintains detailed parameter analysis capability while significantly improving procedure efficiency
Solution Approach 2:
The system allows dynamic interaction with the integrated map, enabling physicians to hover over or select specific regions to view detailed parameter information on-demand. This provides both the efficiency of a single consolidated view and the analytical depth of detailed parameter examination when needed
3Reliability
If multiple visual attributes are overlaid on a single map to show different parameters, then positioning accuracy improves, but the visual complexity increases which may make the map harder to interpret
Solution Approach 1:
The patent applies different visual attributes (color, texture, opacity) to different parameters locally on the map. Each parameter has its own distinct visual encoding scheme, allowing the physician to differentiate between parameters through their unique visual characteristics while maintaining an integrated spatial reference framework
Solution Approach 2:
The system uses color as a primary visual attribute to encode different parameters and their values. By assigning distinct color schemes to different parameters (e.g., voltage in one color range, activation time in another), the system maintains clear parameter differentiation despite the integrated display, reducing visual complexity while preserving positioning accuracy
Data Source
AI summary
A system includes a processor and a display. The processor is configured to: (i) receive a first dataset corresponding to a first property of an organ of a patient, and a second dataset corresponding to a second property of the organ, (ii) assign a first visual attribute to the first property and a second visual attribute to the second property, and (iii) produce a map of the organ including an overlay of the first and second visual attributes. The display is configured to display the map.