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Medical photography equipment for magnetic resonance and pet imaging

A technology of magnetic resonance imaging and photographic equipment, applied in medical science, measuring magnetic variables, and instruments for radiological diagnosis, etc., can solve problems such as heating of gradient coils, and achieve the effect of improving imaging quality

Active Publication Date: 2015-08-19
SIEMENS HEALTHCARE GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the PET detection ring is arranged inside the cylindrical gradient coil, and in order to provide a sufficient position for the patient, it is placed next to the gradient coil as close as possible to a few millimeters, so it will inevitably bring about the problem of gradient coil heating when the magnetic resonance device is working.

Method used

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  • Medical photography equipment for magnetic resonance and pet imaging

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Embodiment Construction

[0013] The drawing shows, as a partial view of a photographic device 1 according to the invention, its basic principle, wherein only the key parts which are relevant to the invention are shown. In addition to the basic field magnet 2 and the RF whole-body transmitting and receiving coil 3 , a gradient coil 4 and a PET detection device 5 are shown in the figure. The gradient coil 4 consists of radially outer secondary coils 6 a , 6 b and 6 c which are arranged in different radial planes. Radially inwards, a cooling device 7 can be seen thereafter, followed by a bedding 8 . Connected thereto are primary coils 9a, 9b and 9c lying in three radial planes, wherein a further cooling device 10 is integrated between the primary coils 9a and 9b. The cooling devices 7 and 10 are formed by means of coolant hoses laid in a predetermined pattern, wherein the hose laying pattern is usually selected according to the path of the respective primary and secondary coil.

[0014] Furthermore, a ...

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PUM

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Abstract

A medical image recording device includes a device for magnetic resonance imaging including a cylindrical gradient coil with coil conductors arranged on multiple radial levels; and a device for PET imaging including multiple PET detectors arranged in a cylindrical arrangement in the interior of the gradient coil. In at least one embodiment, at least one cooling device is provided between the coil conductor lying on the innermost radial level and the PET detectors arranged in annular form on at least one radial level.

Description

technical field [0001] The present invention relates to a medical photographing apparatus having a magnetic resonance imaging device comprising a cylindrical gradient coil with coil conductors arranged in a plurality of radial planes and a PET imaging device comprising a plurality of cylindrical gradient coils The PET detector is arranged inside the gradient coil in a shape layout. Background technique [0002] Contemporary imaging equipment increasingly includes two distinct imaging modalities. An example of such an imaging device is a combined MR-PET system, ie an imaging unit for magnetic resonance imaging and an imaging unit for positron emission tomography (PET=Positronen-Emission-Tomographie) imaging. Magnetic resonance imaging is used to visualize the structure and function of tissues or body organs and is based on the physical principles of nuclear spin resonance. Different imaging methods can be implemented with magnetic resonance systems, such as conventional mag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/055A61B6/03
CPCG01R33/481G01R33/385A61B5/055G01R33/3856A61B6/037A61B6/4417A61B5/0035
Inventor 詹姆斯·L·科贝尔斯蒂芬·斯托克
Owner SIEMENS HEALTHCARE GMBH