KR102578381B1 - Non-surface x-ray imaging system and control method - Google Patents

Abstract

The present invention relates to a non-face-to-face A protection unit that protects the circuit, an imaging control unit that controls the low-dose An X-ray detection unit that detects, a wireless signal processing unit that transmits and processes an imaging signal transmitted from the imaging control unit to the low-dose and a defect determination unit that determines whether there is a defect by matching the pixel ratio of the patient's X-ray image with a plurality of pre-stored X-ray images.

Description

Non-face-to-face X-ray imaging system and control method {NON-SURFACE X-RAY IMAGING SYSTEM AND CONTROL METHOD}

The present invention relates to an X-ray imaging system, and more specifically, to a non-face-to-face

Recently, many people are infected with the COVID-19 virus and its mutant viruses, which are respiratory infectious diseases, and diseases that range from quarantine to death in cases with mild symptoms are becoming prevalent.

In addition, because it is a respiratory disease in nature, it includes symptoms that cause inflammation or reduce function in the lungs, the organ responsible for breathing, so it is essential for most people infected with COVID-19 or those who want to check for infection. A chest x-ray is taken to determine whether there is inflammation in the lungs and whether breathing is normal.

Here, the general X-ray imaging method maintains a face-to-face imaging method in which a medical worker positions the patient for the They are exposed to the risk of respiratory infections.

Therefore, instead of facing the patient directly, an Research on face-to-face X-ray imaging systems is required.

Korean Patent No. 10-2014-0009915

The purpose of the present invention is to prevent infection of infectious diseases between patients and medical workers by taking non-face-to-face X-ray images of patients.

In addition, by remotely controlling the flat detector, the purpose is to capture more accurate X-ray images by moving the flat detector according to the patient's posture or position.

In addition, by remotely controlling the tilt of the X-ray table and the height of both arms, the purpose is to prevent secondary accidents in patients with physical discomfort during imaging and to capture accurate

In addition, the purpose is to provide convenience to medical workers in the process of checking and reading patients' X-ray images by linking X-ray images with the hospital's medical image archiving and transmission system (PACS) through Wi-Fi wireless communication.

In addition, the purpose is to determine the presence or absence of a defect in the

A non-face-to-face X-ray imaging system according to an embodiment of the present invention includes a low-dose A protection unit that blocks and protects the internal circuit, a low-dose X-ray generator in response to the patient's An X-ray detection unit that detects an It may include a wireless signal processing unit and a defect determination unit that determines whether there is a defect by matching the pixel ratio of the patient's X-ray image with a plurality of pre-stored X-ray images.

In addition, the imaging control unit includes a voice transmission unit that guides the medical worker to guide the imaging posture, cautions, and emergency situations to the patient in real time in response to X-ray imaging. When the patient takes an X-ray on an X-ray imaging table, the A table control unit that controls the tilt and height adjustment operations provided at a preset position of the It may include a detector control unit.

In addition, the table control unit provides an , the patient's posture can be changed or fixed by remotely controlling the tilt of the lower body, raising the height of both arms, and lowering the height of the arms.

Additionally, the detector control unit may move and fix the X-axis, Y-axis, and Z-axis of the flat detector in response to the patient's posture and the X-ray imaging target area.

In addition, the defect determination unit calculates the pixel ratio of the space excluding the body in a plurality of X-ray images containing preset information of the pre-stored The ratio can be matched with the pixel ratio of the space excluding the body in the X-ray image, and if it exceeds a preset ratio, it can be determined to be a defect.

According to the present invention, it is possible to prevent infection of infectious diseases between patients and medical workers by performing non-face-to-face X-ray imaging of patients.

Additionally, by remotely controlling the flat detector, it is possible to capture more accurate X-ray images by moving the flat detector according to the patient's posture or position.

Additionally, by remotely controlling the tilt of the X-ray table and the height of both arms, it is possible to prevent secondary accidents in patients with physical discomfort during imaging and capture accurate

In addition, by linking X-ray images with the hospital's medical image storage and transmission system through Wi-Fi wireless communication, medical workers can provide convenience in the process of checking and reading patients' X-ray images.

In addition, it is possible to determine whether there is a defect in the

1 is a block diagram of a non-face-to-face X-ray imaging system according to an embodiment of the present invention.
Figure 2 is an intermediate block diagram of a shooting control unit according to an embodiment of the present invention.
Figure 3 is a diagram illustrating the imaging and image receiving process of the non-face-to-face X-ray imaging system according to an embodiment of the present invention.

Specific details, including the problem to be solved by the present invention, the means for solving the problem, and the effect of the invention, are included in the examples and drawings described below. The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings.

The scope of the present invention is not limited to the embodiments described below, and various modifications can be made by those skilled in the art without departing from the technical gist of the present invention.

Hereinafter, the non-face-to-face X-ray imaging system of the present invention will be described in detail with reference to the attached FIGS. 1 to 3.

First, Figure 1 is a block diagram of a non-face-to-face This diagram illustrates the shooting and image reception process of a non-face-to-face X-ray imaging system according to an example.

Referring to Figure 1, in one embodiment of the present invention, the non-face-to-face X-ray imaging system includes a low-dose X-ray generator 110, a protection unit 120, an imaging control unit 130, an ) and a defect determination unit 160.

The low-dose

Here, compared to the radiation exposure of 0.1 mSv generated during conventional X-ray imaging, X-rays (X-rays) of up to 0.003 mSv are generated to reduce the amount of X-ray radiation exposed to the patient, while obtaining images at the same level as existing general X-ray imaging. can do.

The protection unit 120 can protect the internal circuit by blocking the electric path when overvoltage and overcurrent generated in the low-dose X-ray generator 110 occur.

That is, the voltage value and current value generated from the low-dose The low-dose X-ray generator 110 can be protected.

Here, the preset voltage value or the preset current value may be set based on the maximum voltage value and current value determined as normal by the manufacturer when manufacturing the X-ray imaging device including the low-dose X-ray generator 110.

In addition, a measuring device that measures the voltage and current values generated during imaging of the low-dose X-ray generator 110 may be installed inside the low-dose X-ray generator 110 to measure them.

The imaging control unit 130 may control the low-dose

Here, the shooting control unit 130 will be described in more detail with reference to FIG. 2.

Referring to FIG. 2, the shooting control unit 130 may further include a voice transmission unit 131, a table control unit 132, and a detector control unit 133.

The voice transmission unit 131 allows the medical worker to deliver imaging posture guidance, precautions, and emergency situations to the patient in real time in response to X-ray imaging.

At this time, not only the words delivered by the medical worker to the patient, but also the voice generated by the patient is transmitted to the medical worker in real time through a microphone inside the X-ray room, making non-face-to-face communication using voices possible. .

Additionally, the voice transmission unit 131 can transmit a siren to the X-ray imaging space in response to an unexpected or emergency situation.

Here, the unexpected situation is when the protection unit 120 turns off the power of the low-dose X-ray generator 110 due to overvoltage or overcurrent, and the oxygen saturation, heart rate, and blood pressure of the patient preparing for If the person's health condition suddenly deteriorates or if an alarm sounds due to earthquake detection or fire detection within the building in the

At this time, when an alarm is sounded due to the earthquake detection or fire detection, the siren can be stopped only when the alarm in the building is turned off. In cases other than the above situations, the medical worker can arbitrarily control the siren. .

When the patient takes an X-ray on an X-ray table, the table control unit 132 controls the tilt and height adjustment operations provided at a preset position of the .

In other words, the table is an upper body tilt control that can adjust the tilt of the length that is 45% of the total length from the head side to -90 degrees to 90 degrees based on when the patient is lying down, and the entire tilt in the direction from the foot side to the head side. Lower body tilt adjustment that can adjust the inclination of 45% of the length from -90 degrees to 90 degrees, and a rectangle of 230 mm in width and 450 mm in height at a distance of more than 60 mm from the center line of the table where the lower arm of a person with a normal body type is located. It is symmetrical in shape and can adjust the arm height to raise or lower a maximum height of 300mm.

As described above, the table control unit 132 can provide an

In addition, in response to the patient's movement condition due to trauma or disease, the patient's posture can be changed or fixed to take an there is.

The detector control unit 133 may control the flat detector of the X-ray detection unit 140 to move in response to the X-ray captured area of the patient.

Here, the detector control unit 133 is fixed to the lower part in contact with the ground, but is provided with a plurality of rotatable joint structures and motors between the arm structures connected from the lower part to control the patient's posture and the X-ray imaging target area. Correspondingly, the X-axis, Y-axis, and Z-axis of the flat detector can be moved and fixed.

That is, the table control unit 132 is used to primarily set the patient's posture according to the X-ray imaging area, and the X-ray imaging area and angle are adjusted through the You can take pictures by controlling in detail.

For example, the movable range of the The height can be adjusted up to 1780mm.

Additionally, by providing a swivel at the portion where the flat detector is located, the flat detector can be rotated from 0 degrees to 360 degrees.

The X-ray detection unit 140 may detect an X-ray image irradiated to the patient.

The wireless signal processing unit 150 transmits and receives an imaging signal transmitted from the imaging control unit 130 to the low-dose X-ray generator, and transmits the patient's X-ray imaging data detected by the It can be sent to .

At this time, the wireless signal processing unit 150 is connected to the hospital's medical image storage and transmission system (PACS) and remote control medical software to transmit the patient's X-ray image to a communication device connected to the hospital's Wi-Fi network. You can send and receive using .

Here, the communication device may refer to a PC connected to a Wi-Fi network within a hospital facility and a smart device certified as owned by a medical worker.

The defect determination unit 160 may determine whether there is a defect by matching the pixel ratio of the patient's X-ray image with a plurality of pre-stored X-ray images.

Here, the pixel ratio of the space excluding the body can be calculated from a plurality of X-ray images containing preset information about the previously stored X-ray image object.

At this time, classification can be made including information such as height, weight, and gender of the X-ray subject that is previously stored. Additionally, the pixel ratio can be calculated as the number of pixels containing the color code of pixels not containing the body relative to the total number of pixels in the X-ray image.

That is, the pixel ratio of the space excluding the body in the patient's X-ray image is matched with the pixel ratio of the space excluding the body in the

For example, the total number of pixels in the pre-stored In this case, the proportion of pixels that do not contain the body can be expressed as approximately 30%.

At this time, the pixel ratio that does not include the body in the plurality of X-ray images of the same height, weight, and gender can be averaged and matched as a reference value.

On the other hand, in the current A defect in the X-ray irradiation amount, a defect in the flat panel detector, or a detection defect in the X-ray detection unit 140 may be suspected.

As another example, if the current X-ray image is obtained under the above conditions, but the pixels with the color code #000000 are calculated to be about 60%, a defect may be determined due to poor focus of the low-dose X-ray imaging unit.

Meanwhile, when a defect is determined as described above, the type of defect and whether or not it is confirmed can be notified through the medical worker's preset terminal.

Through the above process, the non-face-to-face X-ray imaging system captures the patient's The X-ray image of the patient can be photographed and transmitted to the medical worker's terminal. In addition, it protects the circuit by blocking overvoltage and overcurrent inside the X-ray imaging system, and calculates the pixel ratio according to the color code of the captured X-ray image to match the pixel ratio with other You can judge whether or not.

Through the above process, the non-face-to-face X-ray imaging system positions the bed-shaped structure and the flat detector based on remote control according to the patient's An X-ray can be photographed, and the photographed X-ray image can be transmitted and received to a medical worker's terminal using a wireless signal processing unit.

According to one embodiment of the present invention, infection of infectious diseases between patients and medical workers can be prevented by performing non-face-to-face X-ray imaging of a patient.

Additionally, by remotely controlling the flat detector, it is possible to capture more accurate X-ray images by moving the flat detector according to the patient's posture or position.

Additionally, by remotely controlling the tilt of the X-ray table and the height of both arms, it is possible to prevent secondary accidents in patients with physical discomfort during imaging and capture accurate

In addition, by linking X-ray images with the hospital's medical image storage and transmission system through Wi-Fi wireless communication, medical workers can provide convenience in the process of checking and reading patients' X-ray images.

In addition, it is possible to determine whether there is a defect in the

Additionally, the control method of the non-face-to-face X-ray imaging system according to an embodiment of the present invention may be recorded on a computer-readable medium including program instructions for performing various computer-implemented operations. The computer-readable medium may include program instructions, data files, data structures, etc., singly or in combination. The medium may have program instructions specifically designed and configured for the present invention, or may be known and available to those skilled in the art of computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks. -Includes optical media (magneto-optical media) and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, etc. Examples of program instructions include machine language code, such as that produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter, etc.

As described above, although one embodiment of the present invention has been described with limited examples and drawings, one embodiment of the present invention is not limited to the above-described embodiment, which is based on common knowledge in the field to which the present invention pertains. Anyone who has the knowledge can make various modifications and variations from this description. Accordingly, one embodiment of the present invention should be understood only by the scope of the claims set forth below, and all equivalent or equivalent modifications thereof shall fall within the scope of the spirit of the present invention.

100: Non-face-to-face X-ray imaging system
110: Low-dose X-ray generator
120: protection part
130: shooting control unit
131: Voice transmission unit
132: table control unit
133: detector control unit
140: X-ray detection unit
150: wireless signal processing unit
160: Defect judgment unit

Claims (5)

A low-dose X-ray generator that photographs the patient by irradiating a preset amount of X-rays;
A protection unit that protects the internal circuit by blocking the electric path when overvoltage and overcurrent occur in the low-dose X-ray generator;
An imaging control unit that controls movement of the low-dose
an X-ray detection unit that detects an X-ray image irradiated to the patient;
A wireless signal processing unit that transmits and receives an imaging signal transmitted from the imaging control unit to the low-dose X-ray generator and transmits the patient's X-ray imaging data detected by the and
It includes a defect determination unit that determines whether there is a defect by matching the pixel ratio of the patient's X-ray image with a plurality of pre-stored X-ray images,
The defect determination unit,
Calculate the pixel ratio of the space excluding the body from a plurality of X-ray images containing preset information on the previously stored X-ray image subject,
Non-face-to-face X-ray, characterized in that the pixel ratio of the space excluding the body in the patient's shooting system.
According to paragraph 1,
The shooting control unit,
A voice transmission unit that allows the medical worker to deliver imaging posture guidance, precautions, and emergency situations to the patient in real time in response to X-ray imaging;
When the patient takes an X-ray on an and
a detector control unit that controls the flat detector of the X-ray detection unit to move in response to the X-ray captured area of the patient;
A non-face-to-face X-ray imaging system comprising a.
According to paragraph 2,
The table control unit,
Provide an X-ray table that can adjust the upper body tilt, lower body tilt, left arm rise and fall, and right arm rise and fall.
Characterized in that the posture of the patient is changed or fixed by remotely controlling the upper body tilt, lower body tilt, raising the height of both arms, and lowering the height of both arms in response to the patient's mobility condition due to trauma or disease. Face-to-face x-ray imaging system.
According to paragraph 2,
The detector control unit,
A non-face-to-face
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