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Perfusion imaging

A perfusion imaging and imaging technology, which is applied in the direction of instruments, cardiac catheterization, and recognition of medical/anatomical models, can solve problems such as false and distorted data

Inactive Publication Date: 2017-08-29
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, ECG or imaging data may be affected by incident (X-ray) radiation (e.g., hardening or other artifacts that physically block radiation emitted Electrical signals are generated in the needle, resulting in false or distorted data)

Method used

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Embodiment Construction

[0023] The invention is illustrated for example using CT, but the invention is not limited to CT but can be readily adapted to other (tomographic and non-tomographic) imaging modalities, for example X-ray, magnetic resonance (MR), positron emission Tomographic (PET) or single photon emission computed tomography (SPECT) imaging or a combination thereof.

[0024] figure 1 An embodiment of a perfusion imaging device 10 according to the invention is shown. The perfusion imaging apparatus 10 comprises a CT imaging system 1 having a gantry 3 which, in use, rotates around an examination region 6 . X-ray radiation is emitted from an X-ray source 4 towards a detector 5, both of which are mounted opposite each other on a gantry. The X-ray radiation passes from the source 4 over the examination region 6 to the detector. When a person to be imaged such as a patient 7 is placed in the examination area 6, X-ray images can be obtained from every angle. Typically, the patient lies on a pa...

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Abstract

The present invention is directed to a perfusion imaging device and method, wherein perfusion data of at least a tissue of interest is obtained from medical imaging and blood pulsation parameters are determined on or near the tissue of interest without physical contact to a patient. Perfusion phase parameters are determined based on the perfusion data and the blood pulsation parameters

Description

technical field [0001] The present invention generally relates to perfusion imaging devices, methods for obtaining perfusion-pulsation parameters, and computer program products for determining perfusion-pulsation parameters. Background technique [0002] Computed tomography (CT) and other imaging modalities are used for perfusion imaging and the like. In general, perfusion imaging is an imaging method used to capture and quantify information corresponding to the passage of fluid (e.g., blood, lymph, etc.) through an anatomical tissue of interest (e.g., brain, muscle, or heart region), To facilitate the determination of the health of the organization or other organizations. For example, myocardial perfusion imaging can be used to measure oxygen delivery to muscle tissue in the heart. In this way, the patient's heart can be imaged in three dimensions (3D) before and during the injection of radiopaque contrast, and differences in the reconstructed images can be attributed to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/024A61B6/03G06K9/20G06K9/46G06V10/141G06V10/56
CPCA61B5/00A61B5/02416A61B5/7285A61B6/032A61B6/037A61B6/4417A61B6/504A61B6/541G06V10/141G06V10/56A61B6/481A61B5/0077G06V2201/03
Inventor M·格拉斯R·普罗克绍S·克吕格尔
Owner KONINKLJIJKE PHILIPS NV