CN217566100U

CN217566100U - Imaging device for brain x-ray tomography

Info

Publication number: CN217566100U
Application number: CN202220969325.0U
Authority: CN
Inventors: 夏启胜; 熊强; 武建安
Original assignee: Ruishi Medical Technology Suzhou Co ltd
Current assignee: Ruishi Medical Technology Suzhou Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-14
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses an imaging device for brain X-ray tomography, including the main control system, it supports the support to be fixed with the head on the main control system, it is provided with C type swinging boom to rotate on the main control system, be provided with the motor on the main control system, motor drive C type swinging boom carries out 360 rotations, the upper end of C type swinging boom is provided with the X ray bulb, the X ray bulb adopts the pulse exposure mode, and synchronous with the rotation speed of C type swinging boom, the light source in the X ray bulb passes through the cable and is connected with the high voltage generator in the main control system, the main control system passes through the cable and connects the exposure hand brake of safe region's X ray bulb and another safe region's computer and display respectively, the lower extreme of C type swinging boom is provided with flat panel detector, the X ray bulb is located the both sides that the head supported the support with flat panel detector. The utility model discloses small in size, available brain X-ray tomography's equipment and radiation dose are low.

Description

Imaging device for X-ray tomography of brain

Technical Field

The utility model relates to an image equipment for brain x-ray tomography.

Background

At present, the X-ray tomography of the brain is mainly carried out by using spiral CT equipment, the existing spiral CT can realize the tomography of the brain, but the spiral CT needs to use a high-power X-ray dome, a large number of array detectors and a high-speed slide rail, so the equipment has huge and heavy volume, high radiation dose and high price, and is generally configured only in high-grade hospitals, and the maintenance cost is high for millions to tens of millions of RMB. The existing digital photography (DR) equipment can shoot brain X-ray imaging, but the price of the digital photography (DR) equipment is slightly low, but only a positive side plain film can be shot, tomography cannot be carried out, and diagnosis cannot be carried out on a plurality of brain diseases.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages, an object of the present invention is to provide a small-sized imaging device for X-ray tomography of brain, which has low radiation dose and low price.

In order to achieve the above purpose, the utility model discloses a technical scheme is: an imaging device for x-ray tomography of the brain, characterized in that: including the main control system, be fixed with the head on the main control system and support the support, it is provided with C type swinging boom to rotate on the main control system, be provided with the motor on the main control system, motor drive C type swinging boom carries out 360 rotations, the upper end of C type swinging boom is provided with the X ray bulb, the X ray bulb adopts the pulse exposure mode, and with the rotation speed of C type swinging boom is synchronous, the light source in the X ray bulb passes through the cable and is connected with the high voltage generator in the main control system, the main control system passes through the cable and connects the exposure hand brake of safe region's X ray bulb and another safe region's computer and display respectively, the lower extreme of C type swinging boom is provided with flat panel detector, the X ray bulb is located the both sides that the head supported the support with flat panel detector.

The utility model discloses an imaging device for brain X-ray tomography's beneficial effect is, C type swinging boom framework in the equipment adoption, adopt X ray bulb and the flat panel detector of homemade of miniwatt integration, can reduce the volume and the weight of equipment by a wide margin, equipment hardware cost also can reduce by a wide margin, the X ray bulb adopts the pulse exposure mode, and keep in step with swinging boom rotation speed, radiation dose when can reducing the patient inspection by a wide margin, can also reduce equipment power demand and heat dissipation demand, the operator can carry out equipment operation at radiation safety region, the security performance is improved.

Preferably, the laser positioning lamp is arranged at one end of the C-shaped rotating arm, which is provided with the X-ray bulb tube, so that an operator can be assisted in positioning.

Preferably, the head support bracket is provided with a binding band, and the head is fixed by the binding band properly, so that the shaking of the head of the patient is reduced.

Preferably, the imaging device is placed in a radiation shielding room, or a lead screen is placed around the imaging device. Reduce the radiation influence, operating personnel still can be in safe distance outer plumbous clothing and carry out equipment operation.

Preferably, an industrial control computer is arranged in the control host, and the industrial control computer is matched with a standard DICOM protocol. The operator can perform device operations in the radiation safe area.

Preferably, the top of the control host is provided with an operable touch display screen and an on-off button for driving the control host to be turned on and off. The display screen can be a touch screen, an operator can conveniently set imaging parameters, and the startup and shutdown button is used for switching on and off the control host.

Preferably, the motor is a stepping motor. The C-arm Z-axis rotating mode is adopted, the rotating mode is driven by the stepping motor to rotate at a constant speed, the stability of the C-shaped rotating arm during rotation can be improved, the accuracy of photographing during rotation is improved, and the stepping motor can be controlled by setting parameters through computer software.

Preferably, the bottom of main control system is provided with three sets of moving wheels, the bottom of main control system still rotates and is provided with the fixed bolster, works as the fixed bolster rotates to when contacting with ground, the moving wheel is unsettled with ground. The three groups of moving wheels are convenient for equipment to move, the fixed support on the base is put down when the equipment is used, and the stability of the equipment during photographing is improved.

Preferably, the head support is curved to better fit the head of the patient.

Drawings

FIG. 1 is a front view of the present embodiment;

fig. 2 is a side view of the present embodiment.

In the figure:

1-a control host; 2-head support; a 3-C type rotating arm; 4-X-ray tube; 5-laser positioning lamp; 6-binding band; 7-operable touch display screen; 8-a power on/off button; 9-moving wheels; 10-a flat panel detector; and 11, fixing a bracket.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, an image device for x-ray tomography of a brain according to this embodiment includes a control host 1, an industrial control computer is disposed in the control host 1, the industrial control computer is equipped with a standard DICOM protocol, a head support bracket 2 is fixed on the control host 1, and the head support bracket 2 is curved. The control host machine 1 is rotatably provided with a C-shaped rotating arm 3, the control host machine 1 is provided with a motor, the motor drives the C-shaped rotating arm 3 to rotate for 360 degrees, the upper end of the C-shaped rotating arm 3 is provided with an X-ray bulb tube 4,X, a pulse exposure mode is adopted by the X-ray bulb tube 4, the rotating speed of the C-shaped rotating arm 3 is synchronous, a light source in the X-ray bulb tube 4 is connected with a high-voltage generator in the control host machine 1 through a cable, the control host machine 1 is respectively connected with an exposure hand brake of the X-ray bulb tube 4 in a safe area and a computer host machine and a display in another safe area through cables, the lower end of the C-shaped rotating arm 3 is provided with a flat panel detector 10, and the X-ray bulb tube 4 and the flat panel detector 10 are positioned at two sides of the head support 2.

The operator can carry out equipment operation in radiation safety region, C type swinging boom 3 framework in the equipment adoption, adopt the X ray bulb 4 of miniwatt integration, the scope of miniwatt is 3-10kW, and homemade flat panel detector 10, if the 17 cun flat panel detector of good science and technology, can reduce the volume and the weight of equipment by a wide margin, equipment hardware cost also can reduce by a wide margin, X ray bulb 4 adopts the pulse exposure mode, and keep in step with the swinging boom rotation speed, radiation dose when can reduce patient's inspection by a wide margin, can also reduce equipment power demand and heat dissipation demand.

In order to ensure the accuracy of the position of the head of the patient, a laser positioning lamp 5 is arranged at one end of the C-shaped rotating arm 3, which is provided with an X-ray bulb tube 4, so that an operator can be assisted in positioning the head of the patient; in addition, the head support bracket 2 of the embodiment is provided with the binding band 6, and the head is properly fixed by the binding band 6, so that the shaking of the head of the patient is reduced.

The imaging device is placed in a radiation shielding room, or a lead screen is placed around the imaging device. Reduce the radiation influence, operating personnel still can be in safe distance outer plumbous clothing and carry out equipment operation.

The top of the control host 1 is provided with an operable touch display screen 7 and an on-off button 8 for driving the control host 1 to be turned on and off. The display screen can be a touch screen, and an operator can conveniently set imaging parameters.

The motor in this embodiment is a stepping motor. Adopt C arm Z axle rotation mode, rotation mode is rotatory at the uniform velocity by step motor drive, can increase the stability when C type swinging boom 3 rotates, improves the accuracy nature of shooing when rotatory, and step motor accessible computer software sets for the parameter and controls.

In order to facilitate the pushing of the image equipment, three groups of moving wheels 9 are arranged at the bottom of the control host 1, in order to ensure the stability of the equipment during photographing, a fixed support 11 is further rotatably arranged at the bottom of the control host 1, when the fixed support 11 is rotated to be in contact with the ground, the moving wheels 9 are suspended with the ground, the fixed support on the base is put down when the equipment is used, and the stability of the equipment during photographing is improved.

The operation flow of the imaging device for the brain X-ray tomography is as follows:

treat that the patient of examining is lain on the sick bed, promote patient's sick bed to imaging device department, perhaps remove patient's sick bed department with imaging device, put down the fixed bolster on the base, the height-adjusting who adjusts the sick bed supports the height that holds in the palm 2 to imaging device's head, move the patient wholly to the head side, put the head on head supports and holds in the palm 2, utilize the laser positioning lamp of the 4 ends of X ray bulb of C type swinging boom 3 to assist operating personnel to put, the overhead bandage that is used of patient is suitably fixed, it rocks to reduce patient's head. The equipment can be placed in a radiation shielding room, the radiation influence can be reduced by placing a lead screen near the equipment under special conditions, and an operator can carry out equipment operation outside a safe distance with lead clothes.

After the patient is positioned, a startup and shutdown button 8 is started, imaging software in an industrial control computer confirms imaging parameters and a flow through an operable touch display screen 7, an operator presses an exposure hand brake at a radiation safety region to start examination, X-rays pass through an examined part of the patient and then irradiate on a flat panel detector 10, the flat panel detector 10 converts the X-rays into image data, the equipment shoots two front positioning pieces at 0 degree and 90 degrees respectively and displays the two front positioning pieces on the operable touch display screen 7, the operator can judge whether the patient is positioned accurately through the front positioning pieces on the computer and can adjust the position according to the situation, and the imaging region is selected according to an image.

After the imaging range is determined, the imaging software is started, the exposure hand brake is pressed down at a radiation safe area, the device starts formal shooting, the rotating rack rotates 360 degrees around the rotating shaft at a constant speed according to set parameters, data acquisition is carried out while rotating, 360-720 pieces of two-dimensional projection data are acquired in total, the data are transmitted to a local computer or a cloud server through a cable or a network interface, a self-grinding reconstruction algorithm is used for reconstructing a two-dimensional image into three-dimensional tomographic image data, finally, the three-dimensional tomographic image data are optimized and converted into a Dicom file format through software, displayed through a display screen and transmitted to a film printer for printing, and doctors can use the tomographic images to diagnose diseases.

After the equipment is shot, in order to prevent the equipment cable from winding, the equipment rotating rack rotates reversely for 360 degrees to reset, and the equipment enters a standby state to wait for the examination of the next patient.

The embodiment uses the cone beam CT framework, the equipment structure is simple, the operation is stable and reliable, the volume and the weight of the equipment are greatly reduced, the hardware cost and the maintenance cost can be greatly reduced, the equipment also has mobility, can be moved in different sick rooms, and the bedside diagnosis of patients who are convenient and inconvenient to move is carried out. The equipment adopts a cone beam projection photographing mode, the irradiation dose of a patient is also obviously reduced, and the damage of radiation to the patient can be reduced for the patient needing to be irradiated for multiple times.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the above embodiments is to let the person skilled in the art understand the contents of the present invention and implement the present invention, which can not limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. An imaging device for x-ray tomography of the brain, characterized in that: including main control system (1), be fixed with head support (2) on main control system (1), it is provided with C type swinging boom (3) to rotate on main control system (1), be provided with the motor on main control system (1), motor drive C type swinging boom (3) carry out 360 rotations, the upper end of C type swinging boom (3) is provided with X ray bulb (4), X ray bulb (4) adopt the pulse exposure mode, and with the rotational speed of C type swinging boom (3) is synchronous, light source in X ray bulb (4) passes through the cable and is connected with the high voltage generator in main control system (1), main control system (1) connects safe region respectively through the cable the exposure hand brake of X ray bulb (4) and the computer host computer and the display of another safe region, the lower extreme of C type swinging boom (3) is provided with flat panel detector (10), X ray bulb (4) and flat panel detector (10) are located the both sides that head supported support held in the palm (2).

2. The imaging device for x-ray tomography of the brain according to claim 1, wherein: and a laser positioning lamp (5) is arranged at one end of the C-shaped rotating arm (3) provided with the X-ray bulb tube (4).

3. The imaging device for x-ray tomography of the brain according to claim 1, wherein: the head support bracket (2) is provided with a binding band (6).

4. The imaging device for x-ray tomography of the brain according to claim 1, wherein: the imaging device is placed in a radiation shielding room, or a lead screen is placed around the imaging device.

5. The imaging device for x-ray tomography of the brain according to claim 1, wherein: an industrial control computer is arranged in the control host (1), and is matched with a standard DICOM protocol.

6. The imaging apparatus for tomography of the brain according to claim 1, wherein: the top of the control host (1) is provided with an operable touch display screen (7) and a power on/off button (8) for driving the control host (1) to be turned on and off.

7. The imaging apparatus for tomography of the brain according to claim 1, wherein: the motor adopts a stepping motor.

8. The imaging device for x-ray tomography of the brain according to claim 1, wherein: the bottom of main control system (1) is provided with three groups of removal wheels (9), the bottom of main control system (1) still rotates and is provided with fixed bolster (11), works as when fixed bolster (11) turn to and ground contact, remove wheel (9) and ground unsettled.

9. The imaging device for x-ray tomography of the brain according to claim 1, wherein: the head support bracket (2) is in a curved surface shape.