Capsule Dynamics for Polyp Detection Without Radiation
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Solution Overview
Problem
Current methods for detecting polyps and cancerous growths in the gastrointestinal tract, such as X-ray based imaging capsules, require preparations and expose patients to radiation, while non-imaging capsule methods lack definitive results, necessitating a more efficient and safer approach for polyp detection.
Innovation Solution
A system and method utilizing a capsule swallowed by the patient that transmits position and motion information to a recorder, determining a probability score based on the capsule's dynamics, including travel time and motion patterns, to assess the likelihood of polyps, using statistical models or neural networks, and optionally incorporating imaging for further analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If X-ray based imaging capsules are used for polyp detection, then measurement precision is improved, but object-affected harmful factors worsen due to radiation exposure
Solution Approach 1:
The patent replaces the X-ray imaging system with a mechanical motion tracking system. Instead of using radiation to detect polyps, the system tracks the capsule's motion through the gastrointestinal tract using magnetic field interactions and external sensors, analyzing motion patterns to infer the presence of polyps without exposing the patient to harmful radiation.
Solution Approach 2:
The patent introduces motion pattern analysis as an intermediary method. Rather than directly imaging the polyps with X-rays, the system uses the capsule's motion characteristics (velocity, acceleration, trajectory deviations) as an intermediate indicator to indirectly detect the presence of polyps, thereby avoiding radiation exposure while maintaining diagnostic capability.
2Measurement precision
If X-ray based imaging capsules are used for polyp detection, then measurement precision is improved, but ease of operation worsens due to preparation requirements
Solution Approach 1:
The patent replaces the complex imaging and contrast agent administration system with a simple motion tracking system. The capsule contains only magnetic components for tracking, eliminating the need for contrast agents, bowel preparation, and other cumbersome procedures required by traditional imaging methods.
Solution Approach 2:
The patent extracts and removes the imaging components and contrast agent requirements from the diagnostic system. By using only motion tracking with magnetic sensors, the system eliminates the harmful and operationally complex elements while retaining the core diagnostic function through motion pattern analysis.
3Object-affected harmful factors
If non-imaging capsule methods are used for polyp detection, then object-affected harmful factors are reduced, but measurement precision worsens due to less definitive results
Solution Approach 1:
The patent applies dynamics by analyzing the capsule's motion patterns (velocity, acceleration, direction changes) as it travels through the gastrointestinal tract. Polyps create physical obstructions and friction that alter the capsule's motion characteristics. By continuously tracking and analyzing these dynamic motion parameters, the system achieves accurate polyp detection without radiation or contrast agents.
Solution Approach 2:
The patent implements feedback through continuous monitoring of the capsule's motion parameters and comparing them against expected normal patterns. The system provides real-time feedback on motion deviations that may indicate polyp presence, allowing for accurate detection through pattern recognition rather than direct imaging.
4Measurement precision
If imaging capability is included in the capsule, then measurement precision is improved, but device complexity worsens
Solution Approach 1:
The patent extracts and removes the imaging subsystem (X-ray source, detectors, power requirements) from the capsule, retaining only the essential magnetic tracking components. This simplification reduces device complexity while maintaining diagnostic accuracy through motion pattern analysis, proving that imaging is not necessary for effective polyp detection.
Data Source
AI summary
A system for polyp detection through capsule dynamics, including a capsule configured to be swallowed by a patient, a recorder configured to be worn by the patient and to receive transmission of information from the capsule, wherein the system is configured to determine position or motion information of the capsule from the information received from the capsule, analyze the position or motion information and determine a probability score representing the likelihood of the existence of polyps in the gastrointestinal tract of the patient; and wherein the system notifies the patient of further actions to be performed in response to the determined probability score.