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Magnetic resonance equipment and integral combined grads and high frequency loop unit

一种磁共振设备、高频线圈的技术，应用在测量磁变量、医药科学、测量装置等方向，能够解决天线棒不利影响等问题

Inactive Publication Date: 2006-08-02
SIEMENS AG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to avoid adverse effects of vibrations on the electrical connection of the antenna rod, that is to say, to ensure mechanical stability and at the same time to ensure that the performance of the antenna does not change due to vibrations

Method used

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  • Magnetic resonance equipment and integral combined grads and high frequency loop unit
  • Magnetic resonance equipment and integral combined grads and high frequency loop unit
  • Magnetic resonance equipment and integral combined grads and high frequency loop unit

Examples

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Embodiment Construction

[0031] figure 1 Represents a magnetic resonance apparatus 1 with a cylindrical imaging area 3 for a patient, the patient is positioned in the examination area FOV (also called field of view FOV: Field of view) of the magnetic resonance apparatus by means of a patient bed 5 with a region to be examined middle. A base magnetic field which is as homogeneous as possible is present in the examination region, which is generated by a base field magnet 7 . In order to excite the magnetic resonance signals, a high-frequency signal is injected into the examination region. Coding positioning can be realized by superimposing the gradient magnetic field and the basic magnetic field. The gradient and HF (high frequency) magnetic fields are generated by an integrated gradient and HF coil unit 9 . The gradient and high-frequency coil unit 9 comprises a primary gradient coil 11 , a secondary gradient coil 13 , an HF shield 15 substantially surrounding the coil unit, which also forms the li...

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Abstract

A magnetic resonance apparatus (1) has an integrated gradient and radio frequency coil unit (9) that includes at least one antenna rod (19, 19B, 19C) with a conductor (29) and a gradient coil unit (11, 13). At least one electrical connection exists between the conductor and an electrical contact region arranged at an adjoining region of the gradient coil unit (11). The electrical connection is formed by a flexible circuit board (31, 43) that is electrically connected both with the conductor (29) and with the contact region. Such an electrical connection of the antenna rod (19, 19B, 19C) is insensitive to strong vibrations.

Description

technical field [0001] The invention relates to a magnetic resonance system with an integrated gradient and radio-frequency coil unit, wherein the gradient and radio-frequency coil unit has at least one antenna rod with a conductor and a gradient coil unit, wherein There is at least an electrical connection between the line and an electrical contact field arranged on an adjacent area of ​​the gradient coil unit. In addition, the present invention also relates to such a gradient and high-frequency coil unit. Background technique [0002] Magnetic resonance technology is a known technique for acquiring images inside the body of an examination subject. In this case, in a magnetic resonance system (MR system), rapidly passing gradient magnetic fields are superimposed on a basic magnetic field generated by a basic field magnet. These gradient magnetic fields are generated by a gradient coil unit. In order to excite the magnetic resonance signals, radio-frequency signals (HF si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/385
CPCG01R33/3628G01R33/34046G01R33/34007G01R33/385A61B5/055G01R33/3854
Inventor 于尔根·尼斯特勒沃尔夫冈·伦兹
Owner SIEMENS AG
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