MRI Thermo-Isolating Jacket for Temperature Stability
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Solution Overview
Problem
Magnetic resonance imaging (MRI) devices face challenges in maintaining uniform and stable magnetic fields due to temperature fluctuations from external environments, which can lead to image artifacts and inefficiencies in imaging processes.
Innovation Solution
A passive thermo-isolating jacket is designed to fit around MRI devices, utilizing multiple layers with varying specific heat capacities and thermal expansion coefficients to regulate temperature and maintain stability, while also providing shielding from electromagnetic interference and physical damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a passive thermo-isolating jacket with multiple layers is used to stabilize temperature, then temperature stability is improved, but device complexity increases
Solution Approach 1:
The thermo-isolating jacket is divided into multiple layers (inner layer, intermediate layer, outer layer) with different material properties. Each layer serves a specific thermal function, allowing the system to achieve superior temperature stability through cumulative effect rather than relying on a single complex component.
Solution Approach 2:
The jacket utilizes composite material construction with layers having different specific heat capacities and thermal conductivities. This composite structure enables the system to simultaneously provide thermal insulation, heat storage, and temperature regulation without requiring active control mechanisms.
2Ease of operation
If the MRI device is made small and portable for transportability, then ease of operation is improved, but heat retention capability deteriorates
Solution Approach 1:
The jacket modifies the thermal parameters of the MRI device by adding layers with high specific heat capacity materials. This changes the overall thermal mass and heat retention characteristics of the combined system, allowing portable small-scale devices to maintain stable operating temperatures despite their reduced size and lower inherent heat retention.
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
The jacket effectively stabilizes the MRI environment, reducing temperature fluctuations and maintaining image quality by ensuring consistent magnetic field homogeneity, thus enhancing the efficiency and reliability of MRI scans.
Implementation Method 1
A passive thermo-isolating jacket is designed to fit around MRI devices, utilizing multiple layers with varying specific heat capacities and thermal expansion coefficients to regulate temperature
Implementation Method 2
utilizing multiple layers with varying specific heat capacities and thermal expansion coefficients to regulate temperature
Data Source
AI summary
A thermo-isolating jacket for a magnetic resonance device (MRD). The thermo-isolating jacket is configured to be positioned in an atmospheric pressure, temperature changing environment. The thermo-isolating jacket provides a passive temperature insulating device to be placed on the outer side of the MRD. The thermo-isolating jacket insulates the MRD from external environment temperature fluctuations during its operation.