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US 10,832,856 B2Granted
Magnetic coil support in magnetic resonance imaging method and apparatus
AssigneeGeneral Electric Company
InventorsAlexander Kagan, Michael Parizh, Anbo Wu, Minfeng Xu, Paul St. Mark Shadforth Thompson, Mark Ernest Vermilyea
Life of this patent
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Abstract
An imaging device may include multiple magnetic coils to generate a magnetic field. Additionally, the imaging device may include an outer support affixed to at least one coil of the plurality of magnetic coils and an axial support between at least two coils of the plurality of magnetic coils, wherein the outer support and the axial support operatively share a load corresponding to the generated magnetic fields.
Claims25
An imaging device comprising:
- a plurality of primary magnetic coils configured to generate a magnetic field via current flow through each of the plurality of primary magnetic coils;
- an outer diameter support structure comprising one or more cylindrical structures affixed to at least one coil of the plurality of primary magnetic coils;
- and
- at least two axial spacing supports distributed circumferentially around an axis of the imaging device, wherein each axial spacing support of the at least two axial spacing supports is positioned within an axial gap formed between a respective pair of coils of the plurality of primary magnetic coils, wherein at least one of the one or more cylindrical structures of the outer diameter support structure is positioned between a respective pair of the at least two axial spacing supports.
1 more element
A hybrid coil support system comprising:
- an outer diameter support structure comprising one or more cylindrical structures attached to an outer surface of a plurality of superconducting primary magnetic coils of an imaging device via an adhesive layer and configured to provide structural support for the plurality of superconducting primary magnetic coils against forces generated by the plurality of superconducting primary magnetic coils while in operation;
- and
- a plurality of axial spacing supports distributed circumferentially around an axis of the imaging device and each located within an axial gap formed between respective adjacent coils of the plurality of superconducting primary magnetic coils and configured to provide structural support for the plurality of superconducting primary magnetic coils against the forces generated by the superconducting primary magnetic coils while in operation, wherein the forces are shared amongst the outer diameter support structure and the plurality of axial spacing supports, and wherein at least one of the one or more cylindrical structures of the outer diameter support structure is positioned between a respective pair of the plurality of axial spacing supports.
A magnetic resonance imaging system comprising:
- a plurality of primary coils configured to generate a magnetic field along a central axis of the plurality of primary coils;
- an inner diameter support structure comprising a cylindrical structure affixed to the plurality of primary coils along an inner diameter of the plurality of primary coils, wherein the cylindrical structure of the inner diameter support structure has a uniform thickness in a radial direction;
- and
- at least two axial spacing supports distributed circumferentially around the central axis, wherein each axial spacing support of the at least two axial spacing supports is positioned within an axial gap formed between a respective pair of coils of the plurality of primary coils.
1 more element
Dependencies are inferred from the claim text.