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Systems and methods for attenuation correction

A technology of attenuation correction and attenuation coefficient, which is applied in the field of imaging systems and can solve problems such as gamma ray attenuation

Active Publication Date: 2022-01-25
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, radio frequency coils used in MRI procedures may cause attenuation of gamma rays during positron emission tomography

Method used

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  • Systems and methods for attenuation correction
  • Systems and methods for attenuation correction
  • Systems and methods for attenuation correction

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Embodiment Construction

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. However, it will be apparent to those skilled in the art that the present application may be practiced without these details. In other instances, well-known methods, procedures, systems, components and / or circuits have been described generally at a relatively high level in order to avoid unnecessarily obscuring aspects of the application. It will be apparent to those skilled in the art that various changes can be made in the disclosed embodiments, and that the general principles defined in the application can be applied to other implementations without departing from the principle and scope of the application. examples and application scenarios. Thus, the application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope...

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Abstract

The present application relates to systems and methods for attenuation correction. The system includes a coil module (430, 600, 800) including a flexible coil (510, 610, 810) and a support (520, 620, 820). The support (520, 620, 820) may be configured to support the flexible coil (510, 610, 810). The flexible coil (510, 610, 810) is deformable to form a receiving space.

Description

technical field [0001] The present application relates to imaging systems, and more particularly, to multimodal imaging systems. Background technique [0002] Magnetic resonance imaging (MRI) is a non-invasive imaging technique that uses powerful magnets to align atomic nuclei in a target body and a variable magnetic field to cause atoms to resonate, a phenomenon known as NMR. Magnetic resonance imaging can generate high-resolution images on soft tissues including, for example, the bladder, rectum, uterus, bones, joints, muscles, and the like. Positron emission tomography (PET) is a functional imaging technique that detects gamma-ray pairs emitted by positron-emitting radionuclides or tracers. Positron emission tomography can be used to study the metabolic processes of the target body and has a wide range of applications including, for example, oncology, neurology, psychiatry, cardiology, infectious diseases, musculoskeletal imaging, etc. Positron emission tomography-magne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R33/36G01R33/341A61B5/055
CPCA61B6/037A61B6/4417G01R33/34007G01R33/34084G01R33/481G01R33/58G01T1/2985G01T1/1603G01R31/346G01R31/343G01R33/56391G01R33/54
Inventor 胡凌志吕杨李庆华
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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