KR101065299B1 - System and method for processing medical image and processing information about medical device in medical image - Google Patents

Abstract

A medical image processing system including a medical device includes a storage device for storing a medical image of a patient, a database server for storing medical image information of the medical image, and a medical image when the barcode is not recognized by recognizing the barcode in the medical image. Outputs information indicating that there is no tool, and if a barcode is recognized, a barcode recognition unit for outputting a barcode, and analyzing the barcode output from the barcode recognition unit to extract and extract information on the medical equipment on which the barcode is printed. And an information extraction unit for storing the collected information. Therefore, the medical image processing system according to an embodiment may extract information about the medical equipment from the medical image and provide the same to the user.

Description

SYSTEM AND METHOD FOR PROCESSING MEDICAL IMAGE AND PROCESSING INFORMATION ABOUT MEDICAL DEVICE IN MEDICAL IMAGE}

The disclosed technology relates to a system and processing method for processing a medical image, and relates to a system and a method for processing a medical image in which medical equipment is photographed.

As information and communication technology is applied to various industrial fields, information storage and management technologies have been developed in each field. For example, in the medical industry, a PACS (Picture Archiving and Communication System) system for storing and communicating digital medical images is introduced, and each hospital can store and manage medical images. have. A medical image storage and communication system (PACS) converts medical images of a body part of a patient photographed by various medical devices into digital data and stores them in a storage medium.

Hospital members can search and check the medical image and history of the desired patient in each office of the hospital through the monitor. In addition, the reader may read the current state or disease of the patient by using the medical image, and perform the measures necessary for the treatment or treatment of the patient according to the reading result.

In one embodiment, the medical image processing system includes a storage device for storing a barcode or a tube or catheter and a medical image of the patient's body, a database server for storing the medical image information on the medical image, the medical image and Barcode recognition unit for recognizing the barcode printed on the tube or catheter in the medical image using the medical image information, and extracting information about the tube or catheter by analyzing the recognized barcode, and stores the extracted information It includes an extraction unit.

In one embodiment, the medical image processing system is a storage device for storing a medical image of the patient, a database server for storing the medical image information on the medical image, medical equipment when the barcode is not recognized by recognizing the barcode in the medical image Outputs information indicating that there is no information, and if the barcode is recognized, a barcode recognition unit for outputting a barcode, and analyzing the barcode output from the barcode recognition unit to extract information about the medical equipment on which the barcode is printed, and extracted And an information extraction unit for storing information.

In one embodiment, a method of processing a medical image comprises storing information about a medical image and a medical image of a tube or catheter printed with a barcode and a body of a patient, by using the medical image and the information about the medical image, Recognizing a barcode printed on the tube or catheter in the medical image, and extracting information about the tube or catheter by analyzing the recognized barcode.

In one embodiment, the medical image processing method comprises the steps of storing a medical image and information about the medical image of the patient, by using the information about the medical image and the medical image, in the medical image to recognize the barcode printed on the medical equipment And extracting information about the medical device on which the barcode is printed by analyzing the barcode.

The description of the disclosed technique is merely an example for structural or functional explanation and the scope of the disclosed technology should not be construed as being limited by the embodiments described in the text. That is, the embodiments may be variously modified and may have various forms, and thus the scope of the disclosed technology should be understood to include equivalents capable of realizing the technical idea.

Each step may occur differently from the stated order unless the context clearly dictates the specific order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Terms defined in commonly used dictionaries should be interpreted to be consistent with meaning in the context of the relevant art and can not be construed as having ideal or overly formal meaning unless expressly defined in the present application.

The hospital may photograph and store various medical images of the patient, and determine the state of the patient using the medical image. Examples of devices capable of taking medical images include computed tomography (CT), magnetic resonance imaging (MRI), radiography (X-ray), ultrasonography (Ultrasound), angiography (ANGIO), There are various imaging medical devices such as COLPOSCOPY, cervical imaging device, and nuclear medicine imaging device. The captured medical images are converted into digital data and stored and provided to the members of the hospital through the medical image storage and communication system (PACS). Readers who read medical images can query, verify, and read images on a computer monitor through a medical image storage and communication system (PACS).

In the medical image as described above, not only the body of the patient but also a medical device worn by the patient may be photographed together. Therefore, the readout physician who reads the medical image must distinguish between the medical device and the patient's body before determining the patient's condition. There are many types of medical devices, which are tools used to diagnose or treat patients.

1 is a view showing a tube or a catheter as an example of a medical device.

Referring to FIG. 1, FIG. 1 is a view schematically showing a tube or a catheter. A tube or catheter is a tubular medical device used to derive liquid, air, or inject liquid from a body cavity, duct, vessel, or organ. Say. Tube and catheter may be classified according to the purpose and thickness of the tube used. In addition, the catheter may be classified into a one-way catheter 100, a two-way catheter 110, or an n-way catheter having a number of tubes, or the like, depending on the number of tubes.

The physician may wear an appropriate tube or catheter on the patient's body depending on the purpose of the diagnosis or treatment. For example, a doctor may use a chest tube to treat pneumothorax, and a venous catheter for intravenous injection or blood sampling.

When a patient wears the tube or catheter as described above and takes a medical image, the tube or catheter may be taken along with the body of the patient. Therefore, the physician should distinguish between the tube or catheter taken in the medical image and the body cavity, duct, conduit or organ of the patient before determining the condition of the patient using the medical image. Hereinafter, a system for distinguishing a medical device such as a tube or a catheter photographed in a medical image will be described.

2 is a diagram illustrating a medical device printed with identification information according to an embodiment of the disclosed technology.

Referring to FIG. 2, FIG. 2 shows a tube or catheter 200 on which a bar code 210 is printed. The tube or catheter 200 of FIG. 2 is an example in which identification information is printed in the form of a barcode 210. The barcode 210 is printed on the tube or tube of the catheter 200 and printed using a radiopaque material. Radiopaque materials do not transmit radiation, such as X-rays. Since the barcode 210 printed with the radiopaque material does not transmit radiation, the barcode 210 is displayed on the medical image. Therefore, the reader may check the medical equipment worn by the patient using the barcode 210 displayed on the medical image, and may know whether the medical equipment is worn, the number of the medical equipment, and the like. In the case of printing various identification information in the barcode 210 of the tube or catheter 200, a variety of information may be obtained by recognizing the barcode 210 photographed on the medical image.

For example, the barcode 210 of the tube or catheter 200 may include manufacturing information such as manufacturing date information of the tube or catheter 200, producer information, etc., conduit diameter information, conduit length information, end position information of the conduit, and material information. And physical information such as mass information, type information of medical equipment, use purpose information, use site information, and type information such as number of ways. For example, the purpose of use of the catheter may be classified into foley catherter, venous catherter, suction catheter, and the like.

When the bar code 210 includes the above information, the medical image storage and communication system (PACS) analyzes the bar code photographed on the medical image and displays the information obtained as a result of the analysis on the screen so that the reader can confirm it. Can be.

3 is a view showing a medical image photographed medical equipment according to an embodiment of the disclosed technology.

Referring to FIG. 3, FIG. 3 is a catheter in which barcodes 322a and 322b are printed at a right lung 300 position in a chest image in which a left lung 300 and a left lung 310 are photographed. 320a and 320b show images taken together. Using the bar codes 322a and 322b as described above, the medical doctor can know that the medical equipment displayed on the medical image is a catheter, and can determine whether the patient is wearing a catheter and the number of catheters worn by the patient. . In addition, the position where the catheter is worn may be known based on the positions of the barcodes 322a and 322b.

When analyzing a medical image using a PACS, the medical image storage and communication system analyzes a bar code photographed on a medical image and displays the information obtained as a result of the analysis on a screen, thereby confirming it by the reader. You can also do that.

4 is a diagram illustrating a medical image processing system in which medical equipment is photographed according to an embodiment of the disclosed technology. Referring to FIG. 4, the medical image processing system 400 includes an image acquisition device 410, an image acquisition server 420, a storage device 430, a medical image storage and communication (PACS) database server 440, and barcode recognition. A unit 450, an information extraction unit 460, a clinical reading station 470, and a display unit 480 are included. The medical image processing system 400 may further include an output device (not shown) capable of outputting a stored medical image, such as an optical disk output device (not shown) or a memory output device (not shown).

The image acquisition device 410 acquires a medical image of the patient. Examples of image acquisition devices are CT, MR, MRI, X-ray, Ultrasound, Angiography, and COLPOSCOPY. ), Various imaging medical devices such as cervical imaging device (CERVICOGRAPHY), and nuclear medical imaging device.

When the medical image processing system 400 receives and stores a medical image already taken by an external system or an external hospital, the image acquisition device 410 may include an optical disk input device or a memory input device. It may be the same storage medium input device or an image input device such as a scanner.

The medical image acquired by the image capturing apparatus 410 is converted into digital data and stored. The image acquisition server 420 receives the medical image from the image acquisition device 410 and converts the medical image into digital data.

The image acquisition server 420 may convert the medical image into digital data according to the Digital Imaging Communication in Medicine (DICOM) format. DICOM is a standardized application layer protocol for the transmission and reception of medical images, waveforms and ancillary information. According to an implementation example, the image acquisition server 420 may use a separate format without using the DICOM format.

The image acquisition server 420 transmits the digitally converted medical image and original image data to the storage device 430. The image acquisition server 420 transmits medical image information related to the medical image, such as storage path information of the image data and DICOM information, to the medical image storage and communication database server 440. The storage device 430 stores the digitally converted medical image and original image data, and transmits the data when requested.

The medical image storage and communication database server 440 may store medical image information such as storage path information, DICOM information, and the like of the image data received from the image acquisition server 420. In addition, the medical image storage and communication database server 440 may store image reading information received from the clinical reading station 470, image marking information indicating a lesion position of the image, identification information identifying a patient, and the like. .

The barcode recognition unit 450 receives the medical image data from the storage device 430, receives the medical image information from the medical image storage and communication database server 440, and recognizes the barcode of the medical equipment photographed on the medical image. do. Barcodes may be printed with radiopaque materials, which do not transmit radiation, such as X-rays. Therefore, when radiating a patient wearing a medical device with a barcode printed thereon, a barcode shape in which radiation does not pass may be displayed on the medical image. The barcode may have a shape in which several bars are spaced apart at regular intervals, or may have another shape. The barcode recognition unit 450 may recognize the barcode by recognizing the shape pattern of the barcode in the medical image.

When the barcode is recognized by the barcode recognizer 450, the barcode recognizer 450 transmits the recognized barcode to the information extractor 460. The barcode recognition unit 450 may transmit the barcode from which the noise is removed through the filtering to the information extracting unit 460.

The information extracting unit 460 extracts the information on the medical device using the barcode recognized by the barcode recognition unit 450. For example, the information about the medical equipment includes information on whether or not the medical equipment is worn, information on the number of medical equipment, manufacturing information of the medical equipment, physical information or type information, and the like.

The information extracting unit 460 may extract information regarding whether the patient wears medical equipment according to whether the barcode is recognized. If the barcode is not recognized, the information extraction unit 460 determines that the patient is not wearing the medical equipment and transmits the information indicating the absence of the medical equipment to the clinical reading station 470. Alternatively, information indicating that there is no medical device may be directly transmitted to and stored in the medical image storage and communication database server 440. The information extracting unit 460 may extract information on the number of medical instruments worn by the patient according to the number of barcodes recognized by the barcode recognition unit 450.

The information extracting unit 460 may read a barcode to extract various information included in the barcode. For example, manufacturing information, physical information, or type information of a medical device included in a barcode may be extracted, and the amount or type of information that may be extracted may vary according to embodiments. The information extraction unit 460 uses the information on the medical equipment, the analysis information received from the computer-assisted analysis unit (not shown), the information on the location of the medical equipment in the institution, and the size of the medical equipment using the length accumulation information of the medical image. The information, the length information of the portion where the tube or catheter is inserted, the length information between the barcode and the end position of the tube or the catheter may be extracted based on the barcode. The information extraction unit 460 transmits the extracted information to the clinical reading station 470.

When the computer aided analysis function (CAD) is used, the information extractor 460 may extract more information using the computer assisted analysis result and the information extracted from the barcode. By using analysis information received from a computer-aided analysis unit (not shown) that analyzes a specific object or condition of the medical image by using anatomical information, the information extracting unit 460 is a body organ photographed on the medical image. Organs and medical devices can be distinguished in images. The computer-assisted analysis unit (not shown) analyzes the medical image using various image information and anatomical information such as edge information, color information, intensity change information, spectrum change information, and image characteristic information of the medical image. .

The information extracting unit 460 classifies the institution and the medical equipment photographed in the medical image using the computer-assisted analysis information in the image, and extracts information on the medical equipment by analyzing the barcode of the medical equipment. When barcode information is also extracted from the medical equipment classified according to the computer-assisted analysis information, the information extracting unit 460 may determine the existence of the medical equipment. When a plurality of medical devices are photographed in the medical image, the information extractor 460 may match the bar code information extracted from each medical device with each medical device.

The clinical reading station 470 may access the medical image storage and communication database server 440 to query the medical image. The reader may use the clinical reading station 470 to query and read the medical image of the patient. For example, the reader may search and search for the medical image of the identified patient using the patient's identification information (ID, social security number, name, date of birth, etc.). In addition, the clinical reading station 470 may store the image reading information, the image overlay information, and the like read by the reading doctor in the medical image storage and communication database server 440.

When the reader requests the medical image of the patient, the clinical reading station 470 requests the image from the storage device 430. The storage device 430 transmits the requested medical image to the clinical reading station 470. The clinical reading station 470 displays the medical image received from the storage 430 and the medical image received from the medical image storage and communication database server 440 on the display unit 480.

The clinical reading station 470 may display, on the display unit 480, the information about the medical device extracted by the information extraction unit 460 together with the medical image of the medical device. When a plurality of medical devices are photographed on the medical image, the clinical reading station 470 may display information on each medical device on the display unit 480 by matching the information about each medical device.

For example, the clinical reading station 470 may include manufacturing information such as manufacturing date information, producer information, etc., conduit diameter information, conduit length information, end position information of conduit, physical information such as material information, mass information, types of medical equipment, and the like. The display unit 480 displays at least one piece of information such as type information such as information, use purpose information, use site information, number of ways, information on whether or not the medical device is worn, and information on the number of medical devices. Can be. In addition, the clinical reading station 470 may display on the display unit 480 information on the location of the medical device in the institution, size information of the medical device, length information on the part where the tube or catheter is inserted, and the like. The number of information displayed on the display unit 480 or the type of information may vary depending on the setting of the reading.

When using the analysis information received from the computer-assisted analysis unit (not shown), the clinical reading station 470 displays the barcode on the display unit 480 so that the organ and the medical device can be distinguished in the image. Information about the extracted medical equipment is displayed on the display unit 480. When a plurality of medical devices are photographed in the medical image, the clinical reading station 470 allows the organ and each medical device to be distinguished in the image, and the extracted medical devices are extracted using the barcodes of the medical devices. Related information may be matched to each medical device and displayed on the display unit 480. For example, the clinical reading station 470 may display the organ and each medical device in a different color, or the outline of each medical device may be displayed in bold so that the organ and the medical device can be distinguished.

The read doctor may check information about the medical image and the medical device, and store information on the medical device along with the image readout information and the image overlay information in the medical image storage and communication database server 440. According to the system setting, the information extracting unit 460 may store the information on the medical equipment directly in the medical image storage and communication database server 440. In this case, the clinical reading station 470 may store the medical image storage and communication database server. In operation 440, information about the medical device may be received and displayed on the display unit 480.

5 is a flowchart illustrating a process of processing a medical image including a medical device using a medical image processing system according to an exemplary embodiment of the disclosed technology. Referring to FIG. 5, the medical image processing system acquires and stores a medical image by using an image acquisition device (S500).

If the medical image has a barcode of the medical equipment, the barcode recognition unit of the medical image processing system identifies the barcode in the medical image (S510). The barcode of the medical device may be printed with a radiopaque material, and when the radiographic image is taken, the barcode is displayed on the medical image. If there is no barcode on the medical image, the medical image processing system outputs information indicating that the patient is not wearing medical equipment.

When the barcode is identified, the information extracting unit of the medical image processing system extracts information about the medical device using the barcode (S520). The type or number of information about the medical device may vary depending on the embodiment. For example, the information extractor may include manufacturing information such as manufacturing date information, producer information, etc., conduit diameter information, conduit length information, end position information of conduit, material information, mass information, etc., type of medical equipment, and purpose of use. Type information such as information, use site information, number of ways, information on whether or not to wear the medical equipment, information on the number of medical equipment, information on the location of the medical equipment in the institution, size information of the medical equipment, tube Alternatively, the length information of the portion where the catheter is inserted may be extracted.

The medical image processing system displays the extracted information on the screen (S530). The medical image processing system may display the extracted information on the screen together with the medical image. In addition, the medical image processing system may display the medical device on the screen to be distinguished from the organ (organ). The location information extracted by the information extraction unit is stored in the medical image storage and communication database server of the medical image processing system. The stored information may be provided to a member in a hospital through a medical image storage and communication system of the system, or may be provided to another system outside the system along with the medical image through a storage medium such as an optical disk or a memory.

According to an embodiment, the medical image processing system may extract information about a medical device from a medical image and provide the same to a user. The medical image processing system according to the embodiment may recognize the medical equipment photographed in the medical image and provide information of the medical equipment.

Medical image processing system according to the embodiment can know the information about the medical equipment worn by the patient using only the medical image, can reduce the time it takes the reader to read the medical image, and reduce the work of the reader Can be.

Since the medical image processing system according to an embodiment extracts and provides information included in a barcode, the medical image processing system may provide various information such as the number of medical equipment and the type of medical equipment, as well as information on whether the medical equipment is worn. have.

Although described above with reference to an embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the present invention without departing from the spirit and scope of the invention described in the claims below. I can understand that you can.

1 is a view showing a tube or a catheter as an example of a medical device.

2 is a diagram illustrating a medical device printed with identification information according to an embodiment of the disclosed technology.

3 is a view showing a medical image photographed medical equipment according to an embodiment of the disclosed technology.

4 is a diagram illustrating a medical image processing system in which medical equipment is photographed according to an embodiment of the disclosed technology.

5 is a flowchart illustrating a process of processing a medical image including a medical device using a medical image processing system according to an exemplary embodiment of the disclosed technology.

Claims (14)

A storage device for storing a medical image of a tube or catheter printed with a barcode and a body of a patient; A database server for storing medical image information about the medical image; A barcode recognition unit for recognizing a barcode printed on a tube or catheter in the medical image by using the medical image and the medical image information; And Including the information extraction unit for extracting the information on the tube or catheter by analyzing the recognized barcode, and stores the extracted information, The tube or catheter is Medical image processing system with barcode printed with radiopaque material. The method of claim 1, And a clinical reading station configured to display information on the tube or catheter extracted by the information extraction unit on the screen together with the medical image. delete The method of claim 1, wherein the barcode recognition unit A medical image processing system for recognizing a barcode by recognizing a shape pattern of the barcode in the medical image. The method of claim 1, wherein the information extraction unit Medical image processing system for extracting information on whether the tube or catheter is worn, the number of the tube or catheter information. The method of claim 1, wherein the information extraction unit Manufacturing information of the tube or catheter, physical information of the tube or catheter, type information of the tube or catheter, location information of the tube or catheter is located, size information of the tube or catheter, the portion in which the tube or catheter is inserted Medical image processing system for extracting at least one of the length information. The method of claim 1, wherein the information extraction unit A medical image processing system using computer-assisted analysis information to distinguish body organs from the tube or catheter in the medical image, and extract information about the tube or catheter. A storage device for storing a medical image of the patient; A database server for storing medical image information about the medical image; A barcode recognition unit for recognizing a barcode in the medical image and outputting information indicating that there is no medical equipment, and outputting a barcode when the barcode is recognized; And Analyzing the bar code output from the bar code recognition unit to extract information about the medical equipment on which the bar code is printed, and includes an information extraction unit for storing the extracted information, The medical device is Medical image processing system with barcode printed with radiopaque material. The method of claim 8, And a clinical reading station configured to display information on the medical device extracted by the information extracting unit together with the medical image on the screen. delete The method of claim 8, wherein the information extraction unit A medical image processing system using computer-assisted analysis information to distinguish body organs from the tube or catheter in the medical image, and extract information about the tube or catheter. Storing a medical image and a medical image of a tube or catheter printed with a barcode and a body of the patient; Recognizing a barcode printed on a tube or catheter in the medical image by using the medical image and the information about the medical image; And Analyzing the recognized barcode to extract information about the tube or catheter, The tube or catheter is Medical image processing method with a bar code printed with a radiopaque material. 13. The method of claim 12, And displaying information about the tube or catheter on a screen. Storing a medical image of the patient and information about the medical image; Recognizing a barcode printed on a medical device in the medical image by using the medical image and the information about the medical image; And Analyzing the barcode and extracting information about the medical equipment is printed the barcode, The medical device is Medical image processing method with a bar code printed with a radiopaque material.

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