MRI RF Transceiver Circuit for Multi-Nuclide Switching
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Solution Overview
Problem
The existing magnetic resonance systems face high hardware costs and low efficiency in transmitting and receiving radio frequencies due to the need for separate hardware switches for different nuclides, which complicates the circuit design and increases costs.
Innovation Solution
A magnetic resonance system and circuit design that utilizes a single magnetic resonance radio frequency power transceiver with a communication circuit and control circuit to switch between transmission and reception modes, reducing the need for multiple hardware switches by using a broadband connectivity approach, thereby reducing hardware volume and cost while improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate evaluation circuits are used for each coil element, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple coil elements into a single evaluation circuit, where one evaluation circuit processes signals from multiple coil elements. This merging approach maintains measurement precision by using a unified evaluation methodology while reducing device complexity by eliminating the need for separate circuits for each coil element.
Solution Approach 2:
The evaluation circuit is designed with universal functionality to handle signals from multiple different coil elements. The circuit can evaluate signals from various coil elements using the same evaluation parameters and methods, making it adaptable to different receiver coil configurations without requiring dedicated circuits for each element.
2Reliability
If multiple evaluation circuits are implemented, then reliability is improved, but manufacturing precision requirements increase
Solution Approach 1:
By merging multiple evaluation functions into a single evaluation circuit, the patent reduces the total number of circuits that need to be manufactured with high precision. This approach maintains system reliability through unified evaluation while lowering the cumulative manufacturing precision requirements compared to implementing multiple separate high-precision circuits.
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 design effectively reduces hardware costs and enhances the operating efficiency of radio frequency transmission and reception, allowing for comprehensive imaging and assessment of tissues and organs by supporting multiple nuclides with a simplified switching mechanism.
Implementation Method 1
A magnetic resonance system and circuit are proposed for evaluating magnetic resonance signals
Implementation Method 2
a transmitter circuit (110) which is configured to transmit a plurality of different electromagnetic signals to an object to be examined
Data Source
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AI summary
The embodiments of the present disclosure provide a magnetic resonance system and circuit, and the system includes: a magnetic resonance transmitter configured to generate one or more radio frequency signals. The magnetic resonance receiver is configured to receive one or more magnetic resonance signals collected by one or more coils. The magnetic resonance receiver is configured to receive one or more magnetic resonance signals collected by one or more coils. The magnetic resonance radio frequency power transceiver further includes a communication circuit and a control circuit. The communication circuit provides a first communication circuit and a second communication circuit, the first communication circuit is configured to transmit the one or more radio frequency signals to the one or more coils, and the second communication circuit is configured to transmit the one or more magnetic resonance signals to the magnetic resonance receiver. The control circuit is configured to send one or more control signals to the communication circuit to control the first communication circuit or the second communication circuit to turn on or cut off.