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X-ray imaging device and x-ray imaging method

A camera device and X-ray technology, applied in X-ray equipment, photography, image analysis, etc., can solve problems such as increased X-ray radiation

Inactive Publication Date: 2010-04-21
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, since the subject 1 is irradiated with X-rays every time an imaging is performed, the amount of X-ray radiation to the subject 1 may increase.

Method used

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  • X-ray imaging device and x-ray imaging method

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Experimental program
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Embodiment 1

[0035] figure 1 It shows the external configuration diagram of the X-ray imaging device. A bed 11 on which a subject 1 such as a patient is placed is provided on the pillar 10 . On the other hand, the pillar 12 is suspended on the patio. A C-arm 20 is rotatably provided on the strut 12 . The C-arm 20 is capable of vertical 3-axis D 1 、D 2 、D 3 rotation in each direction. An X-ray generation unit 21 and an X-ray detection unit 22 are provided facing each other at each end of the C-arm 20 . A plurality of monitor devices 23 are provided.

[0036] The X-ray generation unit 21 includes an X-ray tube. The X-ray generator 21 emits X-rays by supplying voltage and current to the X-ray tube. The X-ray detection unit 22 detects the amount of X-rays emitted from the X-ray generation unit 21 and transmitted through the subject 1, and outputs X-ray image data corresponding to the detected X-ray amount. The X-ray detection unit 22 uses a flat panel detector (FlatPanel Detector: F...

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Abstract

An X-ray camera is provide, which is characterized in: when the X-ray camera is used to take two-dimensional non-contrastographic images or two-dimensional contrastographic images of the patient (1),an imaging controller (31) controls an X-ray generator (21) and an X-ray detector (22), so that the shooting angles of the two-dimensional images are different to each other, and thereby a plurality oftwo-dimensional non-contrastographic images and a plurality of two-dimensional contrastographic images are obtained while the X-ray generator (21) and the X-ray detector (22) are controlled; and then a three-dimensional image of the patient (1) is obtained through calculation with an image calculation component (32).

Description

technical field [0001] The present invention relates to obtaining a plurality of two-dimensional images by imaging while rotating an X-ray generating unit and an X-ray detecting unit with the subject as a rotation center, and obtaining three-dimensional soft tissues of the subject by reconstructing each two-dimensional image. An X-ray imaging device and an X-ray imaging method for images and the like. Background technique [0002] The X-ray imaging device includes a C-arm. An X-ray generating unit and an X-ray detecting unit are arranged oppositely on the C-arm. A technique for acquiring a three-dimensional soft tissue image of a subject using an X-ray imaging device has been proposed. The soft tissue image of the subject obtained by this technique shows soft partial tissues such as organs in the subject, that is, tissues with a low X-ray absorption rate. It can be said that the soft tissue image can show a difference of about 10 in the CT value representing the X-ray abs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/00G03B42/02G01N23/04H05G1/30G06T7/00
CPCA61B6/481A61B6/4441A61B6/504
Inventor 坂口卓弥大石悟
Owner TOSHIBA MEDICAL SYST CORP