CN219306743U - X-ray imaging system - Google Patents
X-ray imaging system Download PDFInfo
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- CN219306743U CN219306743U CN202223126062.6U CN202223126062U CN219306743U CN 219306743 U CN219306743 U CN 219306743U CN 202223126062 U CN202223126062 U CN 202223126062U CN 219306743 U CN219306743 U CN 219306743U
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Abstract
The application discloses an X-ray imaging system, comprising: the X-ray detection device comprises a first scanning ray source module and a first detection flat plate, wherein the first scanning ray source module is arranged on an X-axis and used for generating first X-rays along the Y-axis direction, and the first detection flat plate is arranged on the opposite side of the first scanning ray source module and used for receiving the X-rays, converting an X-ray gray-scale signal into a digital signal and transmitting the digital signal to a computer workstation; the second scanning ray source module is arranged on the Y axis and used for generating second X rays along the X axis direction, and the second detection flat plate is arranged on the opposite side of the second scanning ray source module and used for receiving the X rays, converting the X ray gray level signals into digital signals and transmitting the digital signals to the computer workstation; a computer workstation. The method can perform low-dose whole-body positive side two-dimensional plane X-ray examination, does not need to perform three-dimensional reconstruction, has short scanning time and reduces the radiation dose of patients.
Description
Technical Field
The utility model relates to the technical field of X-ray equipment, in particular to an X-ray imaging system.
Background
With the continuous development of technology, the medical examination equipment based on X-rays is also advancing, and the currently mainstream X-ray examination devices comprise DR, CT and C-arm/G-arm.
First, DR is a common device for medical X-ray examination, and generally only a part of an X-ray image of a human body can be taken, and when the DR is used for long bone or multi-bone examination, shan Zhangjin can obtain images within a limited range because of a limited shooting range, and generally multiple images need to be manually taken and then spliced for viewing, so that image dislocation and different sizes are inevitably caused in the process, and errors are caused to examination, such as scoliosis examination and the like.
For the C arm/G arm, similar to DR, there is also a problem of limited examination area, and most of application scenes are in operating room environment, mainly aiming at intra-operative image examination.
CT can scan the whole body through a whole body three-dimensional scanning, but has larger relative dosage and longer time, for example, the common CT rotates for about 1s or so, and one 3-dimensional reconstruction time is about tens of seconds or more than 1 minute; in addition, CT is generally incapable of scanning a standing position of a human body.
Disclosure of Invention
To solve the above problems, the present application discloses an X-ray imaging system comprising:
the X-ray detection device comprises a first scanning ray source module and a first detection flat plate, wherein the first scanning ray source module is arranged on an X-axis and used for generating first X-rays along the Y-axis direction, and the first detection flat plate is arranged on the opposite side of the first scanning ray source module and used for receiving the X-rays, converting an X-ray gray scale signal into a digital signal and transmitting the digital signal to a computer workstation, wherein the X-axis and the Y-axis form an included angle of 90 degrees in a horizontal plane;
the second scanning ray source module is arranged on the Y axis and used for generating second X rays along the X axis direction, and the second detection flat plate is arranged on the opposite side of the second scanning ray source module and used for receiving the X rays, converting an X ray gray scale signal into a digital signal and transmitting the digital signal to the computer workstation;
a computer workstation.
Optionally, the first scanning ray source module includes a first X-ray source, the rear end of first X-ray source passes through threaded connection with first scanning lead screw, drives first scanning lead screw through first rotating electrical machines and rotates, drives first X-ray source along X axis direction horizontal migration through first scanning lead screw rotation, and the output of first linear driving motor is connected with first rotating electrical machines shell for drive first scanning lead screw along vertical migration.
Optionally, the second scanning ray source module includes the second X ray source, the rear end of second X ray source passes through threaded connection with the second scanning lead screw, drives the second scanning lead screw through the second rotating electrical machines and rotates, drives the second X ray source through the second scanning lead screw rotation and moves along X axis direction level, and the output of second linear drive motor is connected with the second rotating electrical machines shell for drive second scanning lead screw and move along vertical.
Optionally, the computer workstation comprises a host and man-machine interaction equipment, and the host is in communication connection with the first detection flat plate and the second detection flat plate and is used for receiving patient information and processing, storing and managing images; the man-machine interaction equipment is in communication connection with the host computer and is used for image display, parameter adjustment and scanning control.
Optionally, the first scanning radiation source module further comprises a first X-ray beam illuminator fixedly connected to the front end of the first X-ray source for blocking and absorbing the redundant X-rays emitted from the first X-ray source.
Optionally, the second scanning radiation source module includes a second X-ray beam illuminator, and the second X-ray beam illuminator is fixedly connected to the front end of the second X-ray source, and is used for blocking and absorbing the redundant X-rays emitted from the second X-ray source.
Optionally, the device further comprises a first scanning slide rail and a second scanning slide rail, wherein the first rotating motor housing moves vertically along the first scanning slide rail, and the second rotating motor housing moves vertically along the second scanning slide rail.
The X-ray imaging system has the following beneficial effects:
(1) Compared with the traditional X-ray inspection system, the system is a whole body positive side two-dimensional plane X-ray inspection system which can perform low dose.
(2) Compared with CT, the system does not need to perform three-dimensional reconstruction, has short scanning time and reduces the radiation dose of a patient.
(3) The system can perform whole body or partial body simultaneous positive side bit plane imaging, and makes up the limitation of DR examination.
Drawings
The above-mentioned features and technical advantages of the present utility model will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic perspective view of an X-ray imaging system according to an embodiment of the present utility model;
fig. 2 is a schematic diagram illustrating an arrangement of a scanning radiation source module according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings. Those skilled in the art will recognize that the described embodiments may be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope. Furthermore, in the present specification, the drawings are not drawn to scale, and like reference numerals denote like parts.
First, as shown in fig. 1, fig. 1 is a block diagram of an X-ray imaging system according to the present embodiment; the imaging system comprises a power supply system 1, a first scanning radiation source module 2, a second scanning radiation source module 3, a first detection plate 4, a second detection plate 5 and a computer workstation 6. Wherein the first scanning ray source module 2 comprises a first X-ray beam illuminator 21, a first X-ray source 22, a first scanning screw 23, a first scanning slide rail 24 and a first linear driving motor 25; the second scanning radiation source module 3 comprises a second X-ray beam 31, a second X-ray source 32, a second scanning screw 33, a second scanning sled 34 and a second linear drive motor 35, and the computer workstation 6 comprises a host computer 61 and a human-computer interaction device 62.
The power supply system 1 is electrically connected with the first scanning ray source module 2 and the second scanning ray source module 3 and is used for supplying power. As shown in fig. 2, the first scanning radiation source module 2 is disposed on an X-axis for generating a first X-ray along a Y-axis direction, and the second scanning radiation source module 3 is disposed on a Y-axis for generating a second X-ray along the X-axis direction, and the X-axis forms an angle of 90 degrees with the Y-axis in a horizontal plane; the first detection flat plate 4 is arranged on the opposite side of the first scanning ray source module 2 in a facing way, and is used for receiving X rays passing through an inspected person, converting X ray gray-scale signals into digital signals and transmitting the digital signals to the computer workstation 6; the second detecting flat plate 5 is arranged on the opposite side of the second scanning ray source module 3, and is used for receiving X-rays passing through the checked person, converting the X-ray gray-scale signals into digital signals and transmitting the digital signals to the computer workstation 6.
Wherein the first X-ray beam illuminator 21 is fixedly connected to the front end of the first X-ray source 22, and is used for blocking and absorbing the excessive X-rays emitted from the first X-ray source 22; the rear end of the first X-ray source 22 is screwed with the first scanning screw 23, and the first X-ray source 22 may be driven to move horizontally along the length direction (i.e., the X-axis direction) of the screw by rotating the first scanning screw 23, and the first scanning screw 23 may be driven to rotate by a first rotating motor (not shown). The first scanning slide rail 24 is vertically arranged, the first rotating motor housing is in vertical sliding connection with the first scanning slide rail 24, the first linear driving motor 25 is fixedly connected to the bottom end of the first scanning slide rail 24 and is electrically connected with the power supply system 1, and the output end of the first linear driving motor 25 is connected with the first rotating motor housing and is used for providing power for vertical linear motion scanning of the first scanning screw 23. The first X-ray source 22 can thereby be driven to move in the vertical and X-axis directions so as to cover the entire area of the human body to be examined.
The structure of the second scanning radiation source module 3 is the same as that of the first scanning radiation source module 2, but the orientation is different, and a description thereof will be omitted.
The first scanning ray source module 2 and the second scanning ray source module 3 can provide a planar scanning X-ray source in two directions of the positive side of the human body, in particular, the first scanning ray source module 2 provides scanning in a vertical plane parallel to the X axis, and the second scanning ray source module 3 provides scanning in a vertical plane parallel to the Y axis.
The host computer 61 is in communication connection with the first detection flat plate 4 and the second detection flat plate 5, and is used for receiving patient information and processing, storing and managing images; the man-machine interaction device 62 is in communication connection with the host 61 for image display, parameter adjustment and scanning control.
The basic workflow of the X-ray imaging system is described below, including the steps of:
step 1: setting an inspection part and a scanning range;
step 2: after the start of the examination is determined, the system moves the first X-ray source 22 and the second X-ray source 32 to the initial positions of the set scanning according to the set scanning range;
step 3: the scanning exposure and image acquisition are performed at the same time of the linear scanning movement, the process is positive side time-sharing pulse exposure, the detection flat plate of the positive side acquires corresponding images and transmits the corresponding images to the host computer 61 through the image transmission link, the exposure, image acquisition and image transmission processes are performed after the detection flat plate moves to the next exposure point, the next scanning section is scanned in sequence until the set inspection range is scanned, and the first X-ray source 22 and the second X-ray source 32 can move horizontally and vertically, so that X-ray scanning is performed. For example, a horizontal X-ray scan is performed on the chest, then the first X-ray source 22 is lowered vertically with the lead screw a distance, and then a horizontal X-ray scan is performed on the abdomen.
Step 4: and the computer performs image splicing processing, and the computer performs post-processing such as splicing, noise reduction, sharpening and the like on the images according to the scanned images of each section and the position information of the scanning points to form a complete positive side image, and stores and displays the complete positive side image.
The image stitching process comprises the following steps:
step 1: assuming that the moving length of the X-ray source and the detection plate in the single exposure imaging scanning direction is L0, and the scanning range is Lst to Lsp, the scanning times are Na= (Lsp-Lst)/L0;
step 2: the scanning initial point is S1, the first exposure position S1=Lst+L0/2, the N-th point scanning position Sn=Lst+L0/2+ (N-1) L0, N frame images are generated corresponding to the positive side position respectively, and each frame image is defined as I1 and I2 … In;
step 3: and the computer sequentially splices the obtained positive side N frame images I1 and I2 … In sequence to obtain an original image In the whole scanning range.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. An X-ray imaging system, comprising:
the X-ray detection device comprises a first scanning ray source module and a first detection flat plate, wherein the first scanning ray source module is arranged on an X-axis and used for generating first X-rays along the Y-axis direction, and the first detection flat plate is arranged on the opposite side of the first scanning ray source module and used for receiving the X-rays, converting an X-ray gray scale signal into a digital signal and transmitting the digital signal to a computer workstation, wherein the X-axis and the Y-axis form an included angle of 90 degrees in a horizontal plane;
the second scanning ray source module is arranged on the Y axis and used for generating second X rays along the X axis direction, and the second detection flat plate is arranged on the opposite side of the second scanning ray source module and used for receiving the X rays, converting an X ray gray scale signal into a digital signal and transmitting the digital signal to the computer workstation;
a computer workstation.
2. The X-ray imaging system of claim 1, wherein the first scanning radiation source module comprises a first X-ray source, wherein a rear end of the first X-ray source is in threaded connection with the first scanning screw, the first scanning screw is driven to rotate by a first rotating motor, the first X-ray source is driven to horizontally move along the X-axis direction by the rotation of the first scanning screw, and an output end of the first linear driving motor is connected with a first rotating motor housing for driving the first scanning screw to vertically move.
3. The X-ray imaging system according to claim 2, wherein the second scanning radiation source module comprises a second X-ray source, a rear end of the second X-ray source is connected with the second scanning screw through threads, the second scanning screw is driven to rotate through a second rotating motor, the second X-ray source is driven to horizontally move along the X-axis direction through rotation of the second scanning screw, and an output end of the second linear driving motor is connected with a second rotating motor housing for driving the second scanning screw to vertically move.
4. An X-ray imaging system according to claim 3, characterized in that,
the computer workstation comprises a host and man-machine interaction equipment, wherein the host is in communication connection with the first detection flat plate and the second detection flat plate and is used for receiving patient information and processing, storing and managing images; the man-machine interaction equipment is in communication connection with the host computer and is used for image display, parameter adjustment and scanning control.
5. The X-ray imaging system of claim 4, wherein the first scanning radiation source module further comprises a first X-ray beam illuminator fixedly coupled to a front end of the first X-ray source for blocking and absorbing excess X-rays emitted from the first X-ray source.
6. The X-ray imaging system of claim 5, wherein the second scanning radiation source module comprises a second X-ray beam illuminator fixedly coupled to a front end of the second X-ray source for blocking and absorbing excess X-rays emitted from the second X-ray source.
7. The X-ray imaging system of claim 6, further comprising a first scan rail and a second scan rail, the first rotating motor housing moving vertically along the first scan rail and the second rotating motor housing moving vertically along the second scan rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223126062.6U CN219306743U (en) | 2022-11-24 | 2022-11-24 | X-ray imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223126062.6U CN219306743U (en) | 2022-11-24 | 2022-11-24 | X-ray imaging system |
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| Publication Number | Publication Date |
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| CN219306743U true CN219306743U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223126062.6U Active CN219306743U (en) | 2022-11-24 | 2022-11-24 | X-ray imaging system |
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| CN (1) | CN219306743U (en) |
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