Scan Parameter Prediction for Medical Imaging

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Solution Overview

Problem

Current medical scanning technologies face challenges in simulating the effect of contrast agent injection on physiological motion and optimizing scan parameters for individual patients, leading to potential unnecessary radiation exposure and inefficiencies.

Innovation Solution

A system that uses a processor to predict scan parameters based on pre-scanned physiological motion data and health information, utilizing estimation and recommendation models to automate the determination of optimal scan settings, reducing reliance on user experience and improving accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If scan parameters are set manually by a user, then the user can adjust parameters based on experience, but the process requires extensive user experience and is not efficient or accurate for personalized optimization

Engineering Contradiction:
Improvescan parameter accuracyVSAvoiduser experience requirement
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system automatically determines scan parameters by processing patient physiological data and health information through estimation and recommendation models, eliminating the need for manual user adjustment and extensive user experience while achieving personalized optimization

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The manual parameter setting process is replaced by an automated computational system that uses machine learning models to predict and recommend optimal scan parameters based on patient-specific data, substituting human expertise with an intelligent algorithm

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

2Reliability

If scan range and scan times are increased to improve scan success rate, then the chances for successful scan increase, but the patient is exposed to unnecessary radiation

Engineering Contradiction:
Improvescan success rateVSAvoidradiation dose
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system dynamically adjusts scan parameters including scan range, scan times, and radiation dose based on predicted physiological motion data and patient-specific characteristics, achieving optimal scan success rate while minimizing unnecessary radiation exposure through personalized parameter optimization

Inventive Principle:
Principle #35Parameter changes

3Measurement precision

If contrast agent injection is used during scan, then image quality and time resolution improve, but the physiological motion of the subject is affected

Engineering Contradiction:
Improveimage qualityVSAvoidphysiological motion stability
Core Design Contradiction:
Measurement precisionVSStability of the object's composition

Solution Approach 1:

The system performs preliminary estimation of physiological motion parameters before the actual scan by processing pre-scan physiological data, and uses this information to predict and compensate for motion effects during contrast agent injection, allowing optimization of scan parameters to account for anticipated physiological changes

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11967429B2Systems and methods for scan preparation
Publication Date: 2024.04.23 SHANGHAI UNITED IMAGING HEALTHCARE
  • US11967429B2 patent drawing
  • US11967429B2 patent drawing
  • US11967429B2 patent drawing

AI summary

Systems and methods for scan preparation are provided. The systems may obtain a first parameter set of a subject to be scanned by a medical device acquired before a scan is performed on the subject. The first parameter set may relate to a physiological motion of the subject acquired before the scan is performed on the subject. The systems may predict, based on the first parameter set and an estimation model, a second parameter set of the subject. The second parameter set may relate to the physiological motion of the subject. The systems may determine at least one scan parameter for the scan based at least in part on the second parameter set. The systems may cause the medical device to perform the scan on the subject based on the at least one scan parameter.