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x-ray ct device

An X-ray and X-ray tube technology, applied in the field of X-ray CT devices, can solve time-consuming and complicated problems

Active Publication Date: 2017-06-09
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since this operation is complicated and time-consuming, it imposes a great burden on the operator and the patient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0032] Hereinafter, the X-ray CT apparatus according to the first embodiment will be described with reference to the drawings.

[0033] 【structure】

[0034] Refer below figure 1 with figure 2 A configuration example of the X-ray CT apparatus 1 according to the first embodiment will be described. In some cases, "image" and "image data" are considered equivalent.

[0035] The X-ray CT apparatus 1 structurally includes a gantry device 10, an examination table device 30 and a console device 40.

[0036] (Mounting device)

[0037] The gantry device 10 is a device that irradiates the subject E with X-rays and collects detection data of the X-rays transmitted through the subject E. The gantry device 10 has an X-ray generating unit 11, an X-ray detector 12, a rotating body 13, a high voltage generating unit 14, a gantry driving unit 15, an X-ray diaphragm unit 16, a diaphragm driving unit 17, and a data collecting unit 18.

[0038] The X-ray generation unit 11 structurally includes an X-ray t...

no. 2 Embodiment approach

[0099] Hereinafter, the X-ray CT apparatus according to the second embodiment will be described with reference to the drawings. In this embodiment, the description is directed to a structure that can facilitate and shorten the work of arranging the subject E at the position where the medical action is performed on the subject E. The medical action refers to, for example, a process of inserting a puncture needle into the subject E with reference to the MPR image. Regarding the same configuration as that of the first embodiment, a detailed description thereof will be omitted.

[0100] 【structure】

[0101] Refer below Figure 4 with Figure 5 A configuration example of the X-ray CT apparatus 1 according to the second embodiment will be described.

[0102] The processing unit 43 in this embodiment structurally includes a pre-processing unit 431, a reconstruction processing unit 432, and a rendering processing unit 433.

[0103] In addition, the control unit 41 has an information storage...

no. 3 Embodiment approach

[0163] The X-ray CT apparatus also scans the part that moves in accordance with the predetermined motion (beating, breathing motion, etc.) of the subject. In this scan, the influence of the predetermined motion on the display content of the X-ray CT image is considered. For example, the stomach, lungs, etc. have a tendency to increase as the amplitude of movement of the subject increases. When displaying an X-ray CT image of such a part, if the influence of a predetermined motion is not taken into consideration, the shape and size of the part of the image will vary greatly according to the timing of performing the scan. If this happens, in the image, the part of the observation target will be displayed differently for each time phase, which leads to a problem that observation becomes very difficult.

[0164] In order to solve this problem, an X-ray CT device that generates X-ray CT images in accordance with a predetermined motion (beating, breathing motion, etc.) is proposed. I...

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Abstract

Provided is an X-ray CT apparatus capable of simplifying and shortening the operation of placing a subject at a scanning position. The X-ray CT apparatus according to the embodiment includes a couch device, a gantry device, a forming unit, a drive unit, a storage unit, and a drive control unit. The examination table device has a top plate on which a subject is placed. In the gantry device, a subject is scanned by rotating a detection unit including an X-ray tube and an X-ray detector arranged to face each other. In the forming unit, image data of the subject is formed based on the data obtained by scanning. In the drive unit, the relative position between the top plate and the detection unit is changed. The storage unit stores relative position information indicating a relative position at the time of scanning. The drive control unit controls the drive unit so that the top plate and the detection unit are arranged at the relative positions indicated by the stored relative position information when a new scan is performed.

Description

Technical field [0001] The embodiment of the present invention relates to an X-ray CT apparatus. Background technique [0002] An X-ray CT (Computed Tomography) device is a device that uses X-rays to scan a subject, collect receipts, and process the collected data with a computer to image the interior of the subject. [0003] Specifically, the X-ray CT apparatus irradiates the subject multiple times with X-rays from different directions, uses the X-ray detector to detect the X-rays transmitted through the subject, and collects multiple detection data. The collected detection data is A / D converted by the data collection department, and then sent to the data processing system. The data processing system forms projection data by implementing measures such as pre-processing on the detection data. Then, the data processing system performs reconstruction processing based on the projection data, thereby forming tomographic image data. In addition, as a further reconstruction process, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/03
CPCA61B6/032A61B6/487A61B6/504A61B6/5235A61B6/541A61B6/547A61B6/0487A61B6/03
Inventor 椋本豪
Owner TOSHIBA MEDICAL SYST CORP
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