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Radio-frequency coil apparatus

A technology of radio frequency coils and signal lines, which is applied to measurement devices, uses re-radiation, and re-radiation of sound waves, etc.

Inactive Publication Date: 2005-11-09
TOSHIBA MEDICAL SYST CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a process that takes the time of the doctor or operator
In addition, the procedure may require the subject to move, which is laborious for the subject

Method used

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Examples

Experimental program
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no. 1 example

[0018] figure 1 The structure of the RF coil device designed according to the first embodiment of the present invention is shown.

[0019] The RF coil device designed according to the first embodiment, such as figure 1 As shown, a main unit 1 , an add-on unit 2 , a support member 3 , a connector 4 , a cable 5 and a system connector 6 are included. The main unit 1 includes a local RF coil 110 , a connector port 120 and a cavity 130 .

[0020] In this embodiment, the local RF coil 110 is an RF coil for imaging the head. The local RF coil 110 has a substantially hollow cylindrical shape. The local RF coil 110 receives magnetic resonance signals emanating from the subject's head within the coil 110 . The connector port 120 is integral with the local RF coil 110 or fixed to the local RF coil 110 . Connector 4 is connectable to connector port 120 . The cavity 130 is box-shaped with a flat top surface. Local RF coil 110 and connector port 120 are disposed on the top surface of...

no. 2 example

[0039] Figure 5 The structure of the RF coil device designed according to the second embodiment of the present invention is shown. and figure 1 The same designation in the Figure 5 The same or corresponding parts are marked in , and these parts will not be described in detail.

[0040] The RF coil device designed according to the second embodiment is as Figure 5 As shown, a main unit 1 , an add-on unit 2 , a support member 3 , a connector 4 , a cable 5 , a system connector 6 , an add-on unit 21 and a connector 22 are included.

[0041] The main unit 1 has a connector port 120 which includes two connector ports 121 and 122 . The connector port 121 is fixed to the local RF coil 110 . The connector 4 is connectable to the connector port 121 . Connector 22 is connectable to connector port 122 . The connector port 122 is provided at a position such that the connector 22 can be connected to the connector port 122 in a state where the add-on unit 21 is mounted on the top su...

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PUM

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Abstract

A radio-frequency coil apparatus includes a first unit including a first radio-frequency coil that receives a magnetic resonance signal emitted from a subject, a second unit including a second radio-frequency coil that receives the magnetic resonance signal, independently from the first radio-frequency coil. The first unit and the second unit are supported by a support member. The support member is attachable / detachable to / from at least one of the first unit and the second unit. The support member is configured to be able to change the relative positions of the first unit and the second unit.

Description

technical field [0001] The present invention relates to a radio frequency coil arrangement for use in a magnetic resonance imaging apparatus for imaging the interior of a subject's body from magnetic resonance signals emanating from the subject. Background technique [0002] In magnetic resonance imaging (MRI) equipment, radio frequency (RF) coils receive magnetic resonance signals emanating from a subject. The whole body coil receives magnetic resonance signals from a wide area around 50cm. On the other hand, a local RF coil for imaging a local area such as the head, knee or spine receives magnetic resonance signals from only a narrow area corresponding to the size of the area to be imaged. By narrowing the receiving range, the sensitivity of radio reception can be enhanced. [0003] Local RF coils are custom designed to suit the area to be imaged. In actual clinical treatment occasions, an appropriate local RF coil is selected and used for the area to be imaged. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/34A61B5/055G01R33/3415G01V3/00
CPCG01R33/3415
Inventor 冈本和也高木三男藤田浩之
Owner TOSHIBA MEDICAL SYST CORP
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