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Radiation dose management system

A radiation dose and management system technology, applied in radiation safety devices, mechanical/radiation/invasive therapy, cardiac catheterization, etc., can solve problems such as inability to manage as a whole

Active Publication Date: 2018-09-18
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, regarding the radiation dose to the skin, in the case of indicators such as CTDIw, DLP, and incident surface dose, it cannot be managed as a whole within one inspection

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach ＞

[0039] figure 1 It is a schematic diagram showing an example of the radiation dose management system and its peripheral configuration according to the first embodiment, figure 2 It is a schematic diagram showing the configuration of main parts of the X-ray angiography apparatus 20 . Such as figure 1 As shown, a CT apparatus 10 , an X-ray angiography apparatus 20 , an X-ray fluoroscopy (X-ray R / F) apparatus 30 , and an X-ray general imaging apparatus 40 are connected to a radiation dose management system 50 via a network.

[0040] Here, the CT apparatus 10 is used for inspections including an X-ray irradiation process, has a normal CT function, and also has an X-ray image collected by CT imaging and a corresponding X-ray image when the inspection is completed. The X-ray exposure record is sent to the irradiated dose management system 50 function.

[0041] In addition, since this X-ray image is used for alignment on the side of the radiation dose management system 50, it is ...

no. 2 Embodiment approach ＞

[0104] Next, for the radiation dose management system according to the second embodiment, refer to the above-mentioned figure 1 Be explained.

[0105] The second embodiment is a modified example of the first embodiment, and is different from the first embodiment in which the radiation dose map Mp is updated after the inspection is completed, as Figure 10 As shown, a structure in which the radiation dose map Mp is sequentially updated during inspection is adopted. in addition, Figure 10 It is shown that each of the above-mentioned steps ST20 to ST50 is executed between step ST1 indicating the start of the X-ray examination and treatment and step ST10 indicating the end of the X-ray examination and treatment.

[0106]In the second embodiment, when the human body image management cannot be determined at the initial stage of the X-ray examination, the human body image management is executed again every time a new image is collected, and the accuracy is gradually updated. At t...

no. 3 Embodiment approach ＞

[0109] Figure 11 It is a schematic diagram showing an example of the radiation dose management system and its peripheral configuration according to the third embodiment, and it is related to figure 1 The same symbols are attached to substantially the same parts, and detailed description thereof will be omitted, and the different parts will be mainly described here. In addition, overlapping descriptions are similarly omitted for each of the following embodiments.

[0110] The third embodiment is a modified example of the first or second embodiment, and the CT apparatus 10a, the X-ray angiography apparatus 20a, the X-ray fluoroscopy apparatus 30a, and the X-ray general imaging apparatus 40a are each provided with a dose management system. 50.

[0111] Then, in addition to the above functions, such as Figure 12 As shown, the radiation exposure dose management system 50 in each of the devices 10a to 40a further has the function of transmitting the radiation exposure managemen...

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Abstract

The radiation dose management system according to the embodiment includes an image storage unit, a first recording unit, a position shift correction unit, and a second recording unit. The image storage unit stores the three-dimensional image of the human body. The first recording unit records, on the three-dimensional image of the human body, the radiation dose and the radiation radiation area of ​​the subject in the first radiation exposure step. The position shift correcting unit corrects a position shift between the position of the subject and the position of the human body three-dimensional image in a second radiation irradiation step subsequent to the first radiation irradiation step. The second recording unit further records the radiation exposure dose and the radiation exposure area in the second radiation irradiation process on the human body three-dimensional image corrected for the positional shift.

Description

technical field [0001] Embodiments of the invention relate to irradiated dose management systems. Background technique [0002] In order to understand a patient's disease, examinations accompanied by X-ray irradiation by an X-ray diagnostic apparatus, a CT (computed tomography, computerized tomography) apparatus, and the like are indispensable. Among them, the examination accompanied by X-ray irradiation can give the patient the advantage of being able to grasp the state of the disease, but on the other hand, it brings damage to the patient such as X-ray radiation. Therefore, it is important to manage the radiation dose of the patient from the viewpoint of reducing the radiation dose of the patient as much as possible and grasping the risk of radiation damage. [0003] In addition, the IEC (International Electrotechnical Commission, International Electrotechnical Commission) standard requires the CT device to measure CTDIw (weighted CT dose index, weighted CT dose index), D...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/10A61B6/00A61B6/03G06T1/00G16H20/40G16H30/20
CPCA61B6/4441A61B6/4464A61B6/504A61B6/5229A61B6/56A61N5/1049A61N5/1069A61N2005/1054A61N5/1071G16H50/50A61B6/032A61B6/542G16H30/20G16H20/40A61B6/4417A61B6/545A61B6/584G16H20/10G16H80/00
Inventor 大石悟
Owner TOSHIBA MEDICAL SYST CORP
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