Adaptive MRI Control Sequence Selection via Real-Time Data Analysis
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Solution Overview
Problem
Magnetic resonance devices require multiple control sequences for various examinations, leading to inefficient and lengthy diagnostic processes, as conventional sets are not adaptable to individual patient needs or conditions, such as movement or tissue properties, which can result in unnecessary procedures and reduced patient comfort.
Innovation Solution
A method for actuating a magnetic resonance device that dynamically selects control sequences based on real-time analysis of captured data using a trained neural network or function, allowing for adaptive adjustment of the examination protocol to optimize image acquisition and reduce unnecessary procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple control sequences are used for various examinations, then diagnostic coverage is improved, but examination time and procedure length increase
Solution Approach 1:
The patent implements dynamic adaptation of control sequences based on real-time analysis of examination data. The system automatically selects and adjusts control sequences according to patient-specific factors such as movement characteristics and tissue properties, transforming the static examination protocol into a dynamic process that optimizes diagnostic coverage while minimizing examination time.
Solution Approach 2:
The system incorporates feedback mechanisms where examination data is analyzed in real-time to determine the most appropriate control sequences. This feedback loop enables the system to learn from previous examination results and adjust subsequent control sequence selections, thereby improving diagnostic efficiency and reducing unnecessary procedures.
2Reliability
If conventional control sequence sets are used, then diagnostic completeness is maintained, but patient comfort and relevance are reduced
Solution Approach 1:
The patent applies local quality by tailoring control sequences to specific patient characteristics and examination needs. Instead of using a one-size-fits-all approach, the system adjusts control sequence parameters based on individual patient factors such as movement patterns and tissue properties, thereby improving patient comfort and relevance while maintaining diagnostic completeness.
Solution Approach 2:
The system dynamically changes control sequence parameters based on real-time analysis of patient data. By adjusting parameters such as pulse sequences, gradient strengths, and acquisition timing based on patient-specific characteristics, the system optimizes both diagnostic quality and patient comfort for each individual examination.
3Stability of the object's composition
If fixed control sequence sets are used, then examination protocol consistency is maintained, but adaptability to individual patient needs is reduced
Solution Approach 1:
The patent transforms fixed control sequence sets into dynamic protocols that can adapt to individual patient needs while maintaining core consistency. The system preserves the structural framework of standard protocols but allows flexible adjustment of specific parameters and sequencing based on patient characteristics, thereby achieving both protocol consistency and adaptability.
Solution Approach 2:
The control sequence protocol is segmented into modular components that can be independently adjusted. This segmentation allows the system to maintain the overall consistency of the examination protocol while selectively adapting specific segments based on patient needs, such as modifying particular pulse sequences or acquisition parameters without affecting the entire protocol structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables a flexible, efficient, and patient-friendly diagnostic process by selecting the most relevant control sequences based on the examination results, potentially reducing examination time and the need for contrast agents, thereby improving diagnostic accuracy and reducing costs.
Implementation Method 1
the body of an examination object to be examined, particularly that of a patient, is typically exposed to a relatively strong main magnetic field of, for example, 1.5 or 3 or 7 tesla, with the aid of a main magnet
Implementation Method 2
High-frequency radio-frequency pulses, for instance excitation pulses, are then transmitted via a radio-frequency antenna unit by means of suitable antenna facilities, with the result that the nuclear spins of particular atoms resonantly excited by these radio-frequency pulses are tilted by a defined flip angle compared to the magnetic field lines of the main magnetic field
Implementation Method 3
When the nuclear spins are relaxed, radio-frequency signals known as magnetic resonance signals are emitted, and are received and then further processed using suitable radio-frequency antennas
Data Source
AI summary
In a method for an actuation of a magnetic resonance device for capturing image data from an examination region of an examination object, at least one first control sequence is provisioned, the magnetic resonance device is actuated according to the at least one first control sequence to capture first data from the examination object, the first data is analyzed with respect to a property to generate a result, and, based on the result, a selective performance of one of: a selection of a further control sequence, and termination of the actuation of the magnetic resonance device, is performed.