Tumor Stability Ruler with Concentric Arcs
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Solution Overview
Problem
Current methods for evaluating tumor stability lack efficiency in rapidly determining volume and area doubling times from single-plane images, such as chest radiographs, which are essential for assessing tumor growth and treatment response.
Innovation Solution
A device with concentrically arranged arcs and size markers on a planar surface, allowing for the rapid estimation of volume, area, and radius doubling numbers by correlating these with single-plane image measurements, enabling precise categorization of tumor stability and response to treatment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional methods are used to evaluate tumor stability, then comprehensive tumor assessment can be obtained, but the process is time-consuming and lacks efficiency
Solution Approach 1:
The evaluation process is segmented into distinct functional zones on the ruler device: a first zone for volume doubling number assessment and a second zone for area doubling number assessment. This segmentation allows clinicians to rapidly evaluate different tumor growth parameters simultaneously from a single radiograph, dramatically improving evaluation efficiency while reducing the time required for comprehensive tumor stability assessment.
2Adaptability or versatility
If multiple measurement criteria are used to assess tumor progression, then comprehensive evaluation is achieved, but the complexity of comparison increases
Solution Approach 1:
The ruler device integrates multiple evaluation functions into a single universal tool. It simultaneously provides volume doubling number assessment (first zone), area doubling number assessment (second zone), and enables comparison across different tumor sizes and imaging modalities. This multi-functionality allows comprehensive tumor progression evaluation without requiring multiple separate tools or complex computational processes, thereby reducing device complexity while maintaining versatility.
Data Source
AI summary
A device for identifying a size doubling number of a lesion, having: a planar surface defining a data portion that includes data zones, including: a first zone that defines first zone arcs distributed in a concentric configuration, the first zone arcs defining first mutually unique radii, ranging from a first minimum radius to a first maximum radius; the first zone includes first zone size markers, respectively positioned adjacent ones of the first zone arcs, and the first zone size markers respectively identify the size doubling number of the clinical lesion having a size that corresponds to a respective one of the first zone arcs, the size doubling number being one or more of a volume doubling number, an area doubling number and a radius doubling number.