AI Medical Image Screening System for Diabetic Retinopathy Diagnosis

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Solution Overview

Problem

Manual review of medical images for diagnosing diseases such as diabetic retinopathy is labor-intensive and prone to errors.

Innovation Solution

A device that captures images of patients using a camera, captures contextual data, and forwards them to a remote server for processing with artificial intelligence to provide a proposed diagnosis, leveraging machine learning and neural networks for analysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual review of medical images is performed by caregivers, then diagnosis can be made, but the process is labor-intensive and time-consuming

Engineering Contradiction:
Improvediagnosis accuracyVSAvoidreview efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

An AI-based image analysis system is introduced as an intermediary between the medical image and the caregiver. The system automatically processes images to generate preliminary diagnoses, reducing the manual review burden while maintaining diagnostic accuracy through the caregiver's final verification

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The manual mechanical review process by caregivers is partially replaced with an automated AI-based image analysis system that uses machine learning algorithms to detect diseases, substituting human labor with automated computational analysis

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If manual review of medical images is performed by caregivers, then diagnosis can be made, but errors are more likely to occur

Engineering Contradiction:
Improvediagnosis accuracyVSAvoiderror rate
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

The system provides feedback to caregivers through automated image analysis results, allowing verification and correction of AI-generated diagnoses. This feedback loop reduces errors by combining AI consistency with human expertise

Inventive Principle:
Principle #23Feedback

3Measurement precision

If AI processing is implemented on a remote server, then analysis accuracy is improved, but device complexity increases

Engineering Contradiction:
Improveanalysis accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system is segmented into two parts: a simple local device for image capture and a remote server for complex AI processing. This segmentation allows the local device to remain simple while leveraging remote computational power for accurate analysis

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The remote server provides universal AI processing capabilities that can be accessed by multiple imaging devices, making the complex processing infrastructure shared and reusable across different applications and devices

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS11915826B2Digital image screening and/or diagnosis using artificial intelligence
Publication Date: 2024.02.27 WELCH ALLYN INC
  • US11915826B2 patent drawing
  • US11915826B2 patent drawing
  • US11915826B2 patent drawing

AI summary

An example device is configured to capture an image of a patient. The devices includes a camera configured to capture the image of the patient. The device further: captures contextual data associated with the image; allows a caregiver to select the image to be stored; forwards the image and the contextual data to a remote server for processing using artificial intelligence; and receives a proposed diagnosis from the remote server based upon the image and the contextual data.