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x-ray camera device

A camera device and X-ray technology, applied in stereoscopic imaging, equipment for radiological diagnosis, medical science, etc., can solve problems such as insufficient effects

Active Publication Date: 2015-10-07
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it can be said that the x-ray dose reduction based on it is not enough

Method used

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Experimental program
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Embodiment Construction

[0033] Generally speaking, according to one embodiment of the present invention, an X-ray imaging device for performing X-ray imaging on a subject to obtain X-ray fluoroscopic images includes: an X-ray generation unit, an X-ray aperture unit (collemeter), a dose detection unit, and Radiation reduction rate calculation department.

[0034] The X-ray generator is configured to irradiate the subject with X-rays.

[0035] The X-ray aperture unit is configured to limit an X-ray irradiation range of the X-ray generation unit.

[0036] The dose detection unit is configured to detect X-rays that have passed through the X-ray diaphragm unit.

[0037] The radiation exposure reduction rate calculation unit is configured to be based on the value detected by the dose detection unit in the X-ray imaging before the X-ray diaphragm unit restricts the X-ray irradiation range, and the value detected by the X-ray diaphragm unit The value detected by the dose detection unit in the X-ray imaging...

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PUM

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Abstract

According to one embodiment, an X-ray imaging apparatus includes an X-ray generation unit, an X-ray collimator, a dose detection unit, and a dose reduction rate calculation unit. The X-ray generation unit irradiates the object with X-rays. The X-ray collimator limits an X-ray irradiation range of the X-ray generation unit. The dose detection unit detects the X-rays that have passed through the X-ray collimator. The dose reduction rate calculation unit calculates a reduction rate of an exposure dose of the object based on a value detected by the dose detection unit in X-ray imaging before the X-ray irradiation range is limited by the X-ray collimator and a value detected by the dose detection unit in X-ray imaging after the X-ray irradiation range is limited by the X-ray collimator.

Description

[0001] This application claims the priority of Japanese Patent Application No. 2012-004390 filed on January 12, 2012, and the entire content of the above-mentioned Japanese Patent Application is cited in this application. technical field [0002] Embodiments of the present invention relate to an X-ray imaging device and a program. Background technique [0003] As a treatment method for ischemic heart disease, in recent years, endovascular treatment, which is a minimally invasive treatment, has been widely used. Endovascular treatments are usually performed under fluoroscopy using an X-ray imaging device. Endovascular therapy is sometimes a treatment with a treatment time of up to 2 to 3 hours, and radiation to the patient as well as the treating staff is becoming an issue. Therefore, in order to reduce exposure to radiation, operations such as protecting the subject with a shield or reducing the imaging rate are performed. However, it can be said that the radiation reducti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/00
CPCA61B6/022A61B6/4464A61B6/487A61B6/503A61B6/5288A61B6/542
Inventor 坂口卓弥田中学石川贵之竹元久人渡边耕一郎
Owner TOSHIBA MEDICAL SYST CORP