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A device for fixing objects in a medical system

A medical system, a technology for fixing objects, applied in the medical field to reduce attenuation and avoid noise and/or artifacts

Active Publication Date: 2022-03-25
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the above-mentioned problem that MR signal attenuation may cause noise and / or artifacts in reconstructed images, the present invention provides a system and method for fixing objects in medical procedures, which can reduce the degree of attenuation of MR signals collected by RF coils , thereby reducing noise and / or artifacts that appear in reconstructed images based on received MR signals

Method used

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  • A device for fixing objects in a medical system
  • A device for fixing objects in a medical system
  • A device for fixing objects in a medical system

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Embodiment Construction

[0048] In the following detailed description, in order to provide a thorough understanding of the related application, specific details of embodiments are set forth by way of example. Various modifications to the embodiments of the present application will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and application scenarios without departing from the spirit and scope of the present application. Thus, this application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.

[0049] The terminology used in this application is for the purpose of describing particular exemplary embodiments only and is not limiting. As used in this application, the singular forms "a," "an," and "the" may also include the plural unless the context clearly dictates otherwise. It should be further understood that when the terms "comprising" and / or "com...

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Abstract

The present application discloses a system for fixing an object in a medical procedure. The system may include a treatment device configured to generate a radiation beam and a means for immobilizing an object. The means for immobilizing an object may include immobilization means for immobilizing at least a portion of the object and a radio frequency coil configured to receive magnetic resonance (MR) signals related to the at least one portion of the object. The securing member may be configured to switch between a first mode and a second mode. The first mode may correspond to a positive or constant pressure associated with the device for securing an object and the second mode may correspond to a vacuum space or a near-vacuum space associated with the device for securing an object. The manner in which the RF coil is placed in the fixed part can be determined based on the location where the radiation beam is incident on the device.

Description

technical field [0001] The present application relates to the field of medical technology, and in particular, to a nuclear magnetic resonance (MRI) system and / or a radiotherapy system. Background technique [0002] Magnetic resonance imaging (MRI) has been widely used in medical diagnosis, radiation therapy planning, surgical planning, and other medical procedures. MRI technology utilizes one or more gradient pulses to encode spatial information into nuclear magnetic resonance (MR) signals that are used to reconstruct images. MR signals can be collected by one or more radio frequency (RF) coils, such as local coils. In some embodiments, RF coils (eg, local coils) may be placed away from the patient, which may cause attenuation of the MR signals collected by the RF coils. Attenuation of the MR signal may result in noise and / or artifacts in images reconstructed based on the collected MR signals. Accordingly, there is a need for a system and method for reducing attenuation o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/055
CPCA61N2005/1097A61F5/37A61N5/1077A61B5/055
Inventor 乐嘉谦
Owner SHANGHAI UNITED IMAGING HEALTHCARE