Whole-body-oriented three-dimensional magnetic particle imaging method, system and equipment

A technology of magnetic particle imaging and imaging system, applied in medical science, sensor, diagnostic recording/measurement, etc., can solve the problem that magnetic particle imaging cannot simultaneously image the whole body, and achieve the effect of high inspection and diagnosis accuracy

Inactive Publication Date: 2021-09-03
INST OF AUTOMATION CHINESE ACAD OF SCI
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Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that magnetic particle imaging cannot simultaneously image the whole b

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  • Whole-body-oriented three-dimensional magnetic particle imaging method, system and equipment

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than Full examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, not to limit the invention. It should also be noted that, for the convenience of description, only the parts related to the related invention are sho...

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Abstract

The invention belongs to the technical field of magnetic particle imaging, particularly relates to a whole-body-oriented three-dimensional magnetic particle imaging method, a system and an equipment, and aims to solve the problem that whole-body imaging cannot be performed simultaneously during magnetic particle imaging. According to the invention, a single group of magnetic particle imaging systems are coupled to form an array type magnetic particle imaging system, and the imaging view is enlarged from a local part to a whole body size. In the signal acquisition process, excitation and receiving coils of each group of magnets in the whole body magnetic particle imaging system are synchronized, denoising and filtering amplification are carried out on obtained electromagnetic induction signals, image reconstruction is carried out by utilizing a deconvolution or regularization method, reconstructed images in all imaging view fields are spliced, finally, a three-dimensional distribution image of the magnetic particles in the whole body is obtained, whole-body imaging of an observed object is achieved, and high examination and diagnosis accuracy is achieved.

Description

technical field [0001] The invention belongs to the technical field of magnetic particle imaging, and in particular relates to a whole-body three-dimensional magnetic particle imaging method, system and equipment. Background technique [0002] In biomedical imaging detection, the non-invasive observation of the anatomical structure, functional metabolism and molecular cell activities of living organisms has always been a frontier research hotspot and development direction. Existing medical imaging technologies such as CT, MRI, SPECT, and optics have their own technical and application bottlenecks, such as optical imaging is limited by imaging depth, magnetic resonance imaging is limited by imaging sensitivity, and nuclide imaging is limited by ionizing radiation. and imaging resolution. Therefore, there is an urgent need for a new imaging technology with the characteristics of large depth, high sensitivity, and no radiation to meet the needs of in vivo imaging and precise q...

Claims

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Application Information

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IPC IPC(8): A61B5/05A61B5/00
CPCA61B5/0515A61B5/0033
Inventor 田捷惠辉杨鑫
Owner INST OF AUTOMATION CHINESE ACAD OF SCI
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