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Method and device for forming X-ray flying spot

An X-ray, flying spot technology, applied in the field of X-ray imaging, to achieve the effect of reducing power, simple processing and convenient installation

Inactive Publication Date: 2012-05-30
SHANGHAI EASTIMAGE EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

image 3 and Figure 4 There is a common shortcoming in the flying spot forming device in the present invention. Due to the need of shielding X-rays, no matter it is a flywheel or a flying disc, a high-density material needs to be used. The greater the X-ray intensity, the thicker the required flying disc. At the same time, to meet the needs of the scanning range, the flywheel or flying disc should also be made very large. In this way, as the scanning speed increases, the rotation of the flywheel or flying disc requires a lot of power.

Method used

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  • Method and device for forming X-ray flying spot
  • Method and device for forming X-ray flying spot
  • Method and device for forming X-ray flying spot

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Embodiment Construction

[0032] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0033] First, please refer to Figure 5 , Figure 5 It is a schematic diagram of the first embodiment of the device and method for forming X-ray flying spots of the present invention. Figure 5 The middle is the case where only the transmission detector receives the X-ray signal. Such as Figure 5 As shown, the ray source collimator 11 is a linear slit collimator, located between the ray source 10 and the rotating shaft 12, the X-ray 20 emitted by the ray source 10 passes through the linear slit collimator 11 and forms a fan shape, and the rotating shaft 12 There is a helical groove 13, the depth of the helical groove 13 is enough to transmit the X-ray 10, and the transmitted X-ray 10 forms a monotonous rise or fall with the rotation of the rotation axis, the purpose is to make the X-ray emitted from the linear slit collimator 11 After...

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Abstract

The invention provides a method and a device for forming X-ray flying spot. The device comprises a radiation source, a radiation source collimator located at ray outlet window of the radiation source, and a rotation shaft located at one side of the radiation source collimator and formed with a helical groove. The method and device avoid usage of heavy flywheel or fly-disk for shielding X ray, so as to lower device power. Besides, the invention has easy parts processing and convenient assembly.

Description

technical field [0001] The invention relates to an X-ray imaging technology, and in particular to a device and method for forming X-ray flying spots. Background technique [0002] At present, in the prior art, there are mainly three point-by-point scanning methods for X-ray imaging, and the three scanning methods are briefly introduced below. [0003] First, please refer to figure 1 , figure 1 It is a point-by-point scanning device for X-ray imaging in the prior art, figure 1 Among them, the radiation source 2 is connected with the left and right cutting wheels 1, and the left and right cutting wheels 1 are uniformly arranged with collimation holes 8 along the radial direction, and the radiation source fixing support frame 6 is connected with the radiation source 2 to play a supporting role. The motor 7 Located below the left and right cutting wheels 1 to provide the main power, two backscatter detectors 5 are placed on both sides of the left and right cutting wheels 1, a...

Claims

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Application Information

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IPC IPC(8): G01N23/04
Inventor 屈俊健梁石磊董明吴修东毛业云周晓丽
Owner SHANGHAI EASTIMAGE EQUIP
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