Field-coupled connection technique for linking coils and/or patient tables in magnetic resonance imaging

Patent metadata

Field	Value
Publication number	US-10247792-B2
Application number	US-201514716552-A
Country	US
Kind code	B2
Filing date	May 19, 2015
Priority date	May 19, 2014
Publication date	Apr 2, 2019
Grant date	Apr 2, 2019

Abstract

A magnetic resonance imaging (MRI) system connection for a magnetic resonance imaging system, such as for an MRI local coil and/or patient couch, is provided. The MRI system connection is embodied with devices for a field-coupled transmission of signals.

First claim

The invention claimed is:

1. A magnetic resonance imaging (MRI) system connection for art MRI system, the MRI system connection comprising:
one or two MRI system plugs; and
a fixing or clamping apparatus in order that vibrations that are occurrable during an MRI imaging at the MRI system are not transmitted to the MRI system plugs such that RF properties thereof change or change to an extent relevant to the field-coupled transmission,
wherein the MRI system connection is configured with devices for a field-coupled transmission of signals.

2. The MRI system connection of claim 1 , wherein the MRI system comprises an MRI local coil, a patient couch, or the MRI local coil and the patient couch.

3. The MRI system connection of claim 1 , wherein the MRI system connection is configured with devices for an inductive field-coupled transmission of signals in at least one MRI system plug of the one or two MRI system plugs for the inductive field-coupled transmission of signals.

4. The MRI system connection of claim 1 , wherein the MRI system connection is configured with devices for a capacitive field-coupled transmission of signals in at least one MRI system plug of the one or two MRI system plugs for the capacitive field-coupled transmission of signals.

5. The MRI system connection of claim 1 , wherein the MRI system connection is configured with devices for a field-coupled galvanically isolated transmission, a non-conductively connected transmission, or a field-coupled galvanically isolated and non-conductively connected transmission in at least one MRI system plug of the one or two MRI system plugs.

6. The MRI system connection of claim 1 , wherein the MRI system connection is configured for a field-coupled galvanically isolated transmission, a non-conductively connected transmission, or a field-coupled galvanically isolated and non-conductively connected transmission of RF signals by at least one MRI system plug of the one or two MRI system plugs.

7. The MRI system connection of claim 1 , wherein each of the one or two MRI system plugs is formed at a respective end of a respective cable of the MRI system connection.

8. The MRI system connection of claim 1 , wherein one or both of the one or two MRI system plugs comprise one or a plurality of printed circuit boards (PCBs) or multilayer PCBs.

9. The MRI system connection of claim 1 , wherein one or both of the one or two MRI system plugs are unisex plugs and sockets.

10. The MRI system connection of claim 1 , wherein a contact side, of the one or two MRI system plugs is configured for an inductive or capacitive transmission without elevated structure portions, with flat surfaces on the contact side of the one or two MRI system plugs, or a combination thereof.

11. The MRI system connection of claim 1 , wherein the one or two MRI system plugs are coated with a dielectric on a contact side of the one or two MM system plugs.

12. The MRI system connection of claim 1 , wherein the MRI system connection is configured for plugging in at a docking site of an MRI patient couch.

13. The MRI system connection of claim 1 , wherein the MRI system connection is configured for plugging in at a local coil.

14. The MRI system connection of claim 1 , wherein the MRI system connection runs through a cable, the one or two MRI system plugs, or a combination thereof.

15. The MRI system connection of claim 1 , wherein at least one MRI system plug of the one or two MRI system plugs is configured for transmission of RF signals via a galvanically isolated transmission, galvanically non-isolated plug connectors for transmission of DC voltage, tune/detune signals for reception readiness switching or detuning of antennas of a local coil, or the DC voltage and the tune/detune signals, or a combination thereof.

16. The MRI system connection of claim 1 , wherein the MRI system connection is configured for galvanically isolated transmission of RF signals using digital transmission; frequency modulation, phase modulation, or any combination thereof.

17. The MRI system connection of claim 1 , comprising, for a capacitive field-coupled transmission by at least one MRI system plug of the one or two MRI system plugs, planar structures for generating E-fields.

18. A magnetic resonance imaging system comprising:
one or more magnetic resonance imaging system connections,
wherein each of the one or more magnetic resonance imaging system connections includes a spring mechanism, by which two surfaces of two magnetic resonance imaging system plugs to be connected to one another are pressed against one another in a planar manner, are kept at a defined distance by a spacer, or a combination thereof, and
wherein each of the one or more magnetic resonance imaging system connections is configured with devices for a field-coupled transmission of signals.

19. A magnetic resonance imaging (MRI) system connection for an MRI system, for an inductive field-coupled transmission of signals by at least one magnetic resonance imaging system plug, the MRI system connection comprising:
looped structures on both sides of a plug connection at two magnetic resonance imaging system plugs in order to generate B-fields and to couple the B-fields by a dielectric,
wherein the MRI system connection is configured with devices for a field-coupled transmission of signals.

20. A magnetic resonance imaging (MRI) system connection for an MRI system, the MRI system connection comprising:
a spring mechanism, by which two surfaces of two magnetic resonance imaging system plugs to be connected to one another are pressed against one another in a planar manner, are kept at a defined distance by a spacer, or a combination thereof,
wherein the MRI system connection is configured with devices for a field-coupled transmission of signals.

Assignees

• Biber Stephan
• Oppelt Ralph
• Siemens Ag

Inventors

• Biber Stephan
• Oppelt Ralph

Classifications

• G01R33/341

  comprising surface coils · CPC title

• G01R33/3642

  Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification · CPC title

• G01R33/36 Primary

  Electrical details, e.g. matching or coupling of the coil to the receiver · CPC title