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US 8,786,281 B2Granted
Avoidance of susceptibility artifacts in magnetic resonance measurements via targeted addition of recycled materials in plastic parts
AssigneeSiemens Aktiengesellschaft
InventorsSebastian Koeppl, Klaus Porzelt, Adelbert Preissler
Life of this patent
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Abstract
Susceptibility artifacts are significantly reduced or avoided in a magnetic resonance image by producing one or more components of a magnetic resonance system from plastic material having a targeted addition or recycled plastic material.
Claims14
A magnetic resonance-compatible component, comprising:
- a component body configured to form a part of a magnetic resonance image data acquisition apparatus in which a static, homogeneous, multi-Tesla magnetic field is generated;
- and
- said component body comprising a mixture of non-recycled glass fiber-containing plastic material and recycled glass fiber-containing plastic material that substantially precludes said part from producing a susceptibility artifact in an image reconstructed from magnetic resonance image data acquired with said magnetic resonance image data acquisition apparatus.
A magnetic resonance system comprising:
- a magnetic resonance data acquisition unit operable to acquire magnetic resonance data from a subject, said magnetic resonance data acquisition apparatus comprising a basic field magnet that generates a static, homogenous, multi-Tesla magnetic field in which the subject is located while said magnetic resonance image data are acquired from the subject;
- said magnetic resonance image data acquisition apparatus comprising a component body configured to form a part of said magnetic resonance image data acquisition apparatus;
- and
- said component body comprising a mixture of non-recycled glass fiber-containing plastic material and recycled glass fiber-containing plastic material that substantially precludes said part from producing a susceptibility artifact in an image reconstructed from magnetic resonance image data acquired with said magnetic resonance image data acquisition apparatus.
1 more element
A method for fabricating a magnetic resonance-compatible component, comprising:
- mixing granulates of non-recycled glass fiber-containing plastic material with granulates of recycled glass fiber-containing plastic material to form a mixture comprising approximately 50% by weight of said non-recycled glass fiber-containing plastic material and approximately 50% by weight of said recycled glass fiber-containing plastic material;
- and
- providing said mixture as a material input to an injection molder and, in said injection molder, producing a component body configured to form a part of a magnetic resonance image data acquisition apparatus.
A method for reducing susceptibility artifacts in a magnetic resonance image, comprising:
- configuring a component body to form a part of a magnetic resonance image data acquisition apparatus in which a static, homogeneous, multi-Tesla magnetic field is generated;
- forming said component body from a mixture of non-recycled glass fiber-containing plastic material and recycled glass fiber-containing plastic material that substantially precludes said part from producing a susceptibility artifact in an image reconstructed from magnetic resonance image data acquired with said magnetic resonance image data acquisition apparatus;
- operating the magnetic resonance image data acquisition apparatus to acquire magnetic resonance image data from a subject in said magnetic resonance image data acquisition apparatus;
- and
- in a processor, reconstructing a magnetic resonance image of the subject from the acquired magnetic resonance image data to produce a reconstructed magnetic resonance image that is substantially free of susceptibility artifacts.
2 more elements
Dependencies are inferred from the claim text.