JPH08238223A - Medical image display device and medical image filing system - Google Patents

Abstract

PURPOSE: To display a medical image in a color tone according to the preference of an operator by absorbing any difference in color tone attributed to the type of a machine used. CONSTITUTION: There are arranged inspection instruments 150, 170, 180a and 180b, a file server 120 having a filing device 122 and a medical image display device 280. A display pallet table is preserved into the filing device 122. An arithmetic processor 281 of the medical image display device 280 shows a medical image on a display 282 in a color tone set by the display pallet table in reference to the display pallet table.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention stores a medical image obtained from a plurality of examination devices as a medical image file and reads a medical image file to display a medical image filing system. The present invention relates to a medical image display device.

[0002]

2. Description of the Related Art X-ray CT, nuclear medicine, ultrasound, MRI and X
It is considered that a medical image obtained by an inspection device such as a line imaging device is managed using a medical image system called PACS. FIG. 7 shows an example in which PACS is constructed using a computer network.

In the system shown in the figure, Ethernet or ATM is used for the network 110,
Includes a file server 12 for medical image databases
0 is connected to a three-dimensional medical image diagnostic apparatus 150 such as an X-ray CT apparatus or a nuclear medicine diagnostic apparatus, an X-ray imaging apparatus 160, an ultrasonic diagnostic apparatus 170, and endoscopes 180a and 180b. The medical images obtained in step 1 are converted into digital data and used as medical image files in the file server 1.
It is supposed to be stored in 20. Further, the data processing terminal connected to the network 110 is for performing reservation processing such as diagnosis, and the data input by this is used for the operation of the diagnostic device. Then, workstations (medical image display devices) 140a, 14 dedicated to image display connected to the network 110
Reference numeral 0b is a device for reading and displaying the medical image file stored in the file server 120, and this device can process the read image as needed.

In addition to the above-mentioned computer network as the PACS, recently, medical image files are recorded in a common format on an MO which is a large-capacity data storage medium, and medical images are exchanged between the MOs. Systems are also being considered.

[0005]

PACS as described above
In this case, various diagnostic devices are used, and even if the same type of device is used, a model that is as good as possible is selected from various manufacturers. Therefore, the medical image display device 14
The medical images displayed on the images 0a and 140b may be displayed with different colors, brightness, textures, etc. even if they are the same type of device.

Particularly, in recent inspection devices such as endoscopes, true color (16 million colors) medical images are obtained, and the stereoscopic effect can be grasped by displaying them on the medical image display devices 140a and 140b. As a result, it has become possible to observe in detail the major parts such as the disease part. However, while such a high gradation display is possible, when a medical image is displayed, a difference in color display, particularly a difference in contrast is likely to appear. Further, in recent endoscopes and the like, since the color tone can be set according to the operator's preference, the color tone may be displayed differently even in the same model.

Further, in the ultrasonic diagnostic apparatus 170, the contrast of the ultrasonic image differs depending on the model, and the color display at the time of Doppler display also differs depending on the model, making diagnosis difficult.

The medical image display devices 140a and 140b may be adjusted on the inspection device side in order to display the same color tone, but it is impossible to set the color tone according to the operator's preference, and the operation is not possible. Some people find it difficult to use.

Therefore, the present invention provides a medical image display device and a medical image filing system which absorb a difference in color tone depending on a model and display a medical image in a color tone according to an operator's preference. The purpose is to do.

[0010]

In order to solve the above-mentioned problems, the medical image display apparatus according to the invention of claim 1 of the present application is
In a medical image display device used to store medical images obtained from a plurality of examination devices as a medical image file and display the medical image file to display the medical image, a display for displaying the medical image, a medical image An arithmetic processing unit that reads out an image file and displays it on a display, and the arithmetic processing unit refers to the display palette table for determining the color tone to be displayed on the display for each inspection device, and the color tone set in the display palette table. The feature is that the medical image is displayed on the display.

In the medical image display device according to the invention of claim 2 of the present application, in addition to the configuration of claim 1, the arithmetic processing device displays a medical image in a color tone according to the set value input from the input device. It is characterized in that the display palette table is set for determining the color tone to be displayed on the display for each inspection apparatus by displaying and storing the set value of the displayed color tone in the display palette table.

In the medical image display apparatus according to the invention of claim 3 of the present application, in addition to the configuration of claim 1 or 2, the display palette table has set values of color tones displayed on the display for each operator. The arithmetic processing unit is characterized by inputting a password, taking out the set value of the color tone of the corresponding operator from this password from the display palette table, and displaying the medical image in the set color tone on the display.

A medical image filing system according to a fourth aspect of the present invention comprises a plurality of inspection devices, a file server having a file device for storing medical images obtained from the inspection devices as medical image files, and a medical image file reading device. In a medical image filing system equipped with a medical image display device for displaying a medical image, a display palette table for determining a color tone to be displayed on the display for each inspection device is stored in the file device. Has a display for displaying a medical image and an arithmetic processing unit for reading a medical image file and displaying the medical image file on the display. The arithmetic processing unit refers to the display palette table and sets the color tone set in the display palette table. Characterized by displaying medical images on the display with To.

In the medical image filing system according to the invention of claim 5 of the present application, in addition to the configuration of claim 4, the arithmetic processing unit displays a medical image in a color tone according to a set value input from an input device. It is characterized in that the display palette table is set for determining the color tone to be displayed on the display for each inspection apparatus by displaying and storing the set value of the displayed color tone in the display palette table.

In the medical image filing system according to the invention of claim 6 of the present application, in addition to the configuration of claim 4 or 5, the display palette table has a set value of a color tone to be displayed on the display for each operator. The processor is
The present invention is characterized in that a password is input, and the set value of the color tone of the corresponding operator is taken out from the password from the display palette table and the medical image is displayed on the display in the set color tone.

[0016]

According to the medical image display device of the first aspect of the invention and the medical image filing system of the fourth aspect of the invention, the medical image is displayed on the display in the color tone set in the display palette table. So
Even if the color tone of the medical image obtained by each inspection device is different, it is compensated by the setting of the display palette table, so it is possible to absorb the difference and display the medical image in the color tone according to the setting of the display palette table. it can.

Particularly, in the medical image filing system, by storing the display palette table in the file device, the display palette table can be shared even when a plurality of medical image display devices are connected.

According to the medical image display device of the invention of claim 2 and the medical image filing system of the invention of claim 5, the set value of the color tone of the displayed state is stored in the display palette table. , It is possible to display the medical image on the display in the color tone as it is seen at the time of setting.

According to the medical image display device of the invention of claim 3 and the medical image filing system of the invention of claim 6, the color tone displayed on the display is set for each operator, and the set color tone is set. Since the medical image is displayed on the display, the color tone can be set for each operator according to his or her preference.

[0020]

An embodiment of the present invention will be described with reference to the drawings.
It should be noted that the same or equivalent parts as those of the above-described conventional example are designated by the same reference numerals, and the description thereof will be omitted or simplified.

FIG. 1 shows a configuration of a medical image display device 280 according to an embodiment and a medical image filing system using the same. Medical image display device 280
Is connected to a network 110. The network 110 includes a three-dimensional medical image diagnostic apparatus 150 and an X-ray imaging apparatus 16 such as an X-ray CT apparatus or a nuclear medicine diagnostic apparatus.
0, ultrasonic diagnostic apparatus 170, endoscopes 180a, 180b
An inspection device such as the above is connected to a file server 120 for a medical image database. The medical images obtained by the inspection devices 150, 170, 180a, 180b are converted into digital data and stored in the file server 120 as medical image files.

The medical image display device 280 reads and displays a medical image file stored in the file server 120. The arithmetic processing device 281 is, for example,
A display 282, which is a display device of the arithmetic processing device 281 such as a CRT, and an arithmetic processing device 2 such as a mouse and a keyboard, which perform arithmetic processing using a CPU 281a such as a personal computer main body.
81 input devices 283 are connected. Code 2
Reference numeral 82 is a network interface between the arithmetic processing device 281 and the network 110.

When the medical image file is read and displayed, the medical image display device 280 refers to a preset display palette table to perform color adjustment and display. This display pallet table is set for each inspection device by attribute data such as the inspection device number, and can be arbitrarily set by the user. The medical image display device 280 is characterized by this point. As shown in the figure, when connected to the network 110, the display palette table is stored in the file device 122 of the file server 120, and when the program for referencing and setting the display palette table is started, the display screen of the medical image display device 280 is displayed. It is read into the memory 281b. Refer to and set the display palette table in FIG.
Also, the arithmetic processing unit 281 executes the algorithm as shown in FIG.

First, the operation of setting the display palette table will be described with reference to FIG. First, the input device 28
The operator's doctor code is input as a password from 3 (reference numeral 311 in FIG. 2). If this password is correct, the subsequent processing will continue. If it is not correct, it will not continue. Then, a predetermined default value is set to a value according to the inspection device equipment (reference numeral 312 in FIG. 2). The file device 122 of the file server 120 via the network
The medical image file is read from and the medical image is displayed on the display 282 in the color tone according to the default value (reference numeral 313 in FIG. 2). A so-called graphical user interface is used for this screen display, and a menu is opened for operation.

Then, when it is desired to change the color tone of the medical image from the displayed state, the menu is opened and the setting change is selected (reference numeral 313 in FIG. 2). At this time, the input screen of the set values of the display palette table as shown in FIG.
82 (reference numeral 314 in FIG. 2). It is possible to set the red level, green level, blue level, and contrast of the medical image on this screen, and these set values can be set by operating the mouse of the input device 283 or inputting the keyboard. Has become. In addition, a new screen appears by pressing the "Other settings" button that appears on the screen, and you can do the same for setting values such as γ correction, edge enhancement, structure enhancement, and brightness (brightness) according to the model. It is like this. In this way, it is possible to set a necessary value that determines the color tone of the medical image. By pressing the "end setting" button, the setting value input screen disappears, and a medical image is displayed on the display 282 in a color tone corresponding to the newly set value (reference numeral 313 in FIG. 2).

When the color tone of the medical image may be displayed, the menu is opened and Save is selected to complete the setting input (reference numeral 314 in FIG. 2). The setting values of the displayed color tone are displayed on the file server 12 as a display palette table.
0 is stored in the file device 122. The setting values for this color tone are red level, green level, blue level, contrast,
It is a necessary value for determining the color tone of the medical image including the parameters displayed on the setting input screen such as γ correction, edge enhancement, and brightness (brightness), and the inspection devices 150 are collectively grouped according to the doctor code of the operator. , 170,
Each of 180a and 180b is saved as palette data.

FIG. 4 shows an example of the display palette table. The doctor codes DR1 and DR of the operator are shown in FIG.
2, the inspection device 15 for each group corresponding to DR3 ...
Each of 0, 170, 180a and 180b is saved as palette data.

Next, the operation of displaying a medical image with reference to the display palette table will be described with reference to FIG.
First, the doctor code of the operator is input as a password from the input device 283 (reference numeral 511 in FIG. 5).
If this password is correct, the subsequent processing will continue. If it is not correct, it will not continue. Then, the input device 283
The search condition (for example, examination date, patient ID, etc.) of the medical image file to be displayed from is input (reference numeral 51 in FIG. 5).
2). The medical image display device 280 gives this search condition to the file server 120, and the file server 120
A medical image file is searched from the file device 122 based on this search condition. This search result is given to the medical image display apparatus 280, and the medical image display apparatus 280 displays a list of files that match the search conditions (reference numeral 513 in FIG. 5).

FIG. 6 shows an example of a list display of the file list. The medical image display device 280 selects the files that match the search conditions from the examination date, patient ID, name,
Display a list of necessary items such as the inspection device number (modality NO.). Then, the medical image file to be displayed is selected from this list (reference numeral 514 in FIG. 5). The medical image display device 280 reads the selected medical image file and display palette table from the file device 122. In the medical image file, the number of the inspection device and the like are written in the header portion as attribute data for each image. The medical image display device 280 identifies from which device the medical image is obtained from the attribute data of the medical image file, and in the display palette table, the corresponding inspection device is selected from the doctor code group input as the password. The palette data of the number is taken out. Like this
The operator code can be identified by a doctor code that is a password.

Then, the medical image is arithmetically processed based on the palette data to process and adjust the medical image such as red level, green level, blue level, contrast, γ correction, edge enhancement, and brightness (brightness). 5, reference numeral 5
17). The medical image thus obtained is displayed on the display 28.
2 is displayed (reference numeral 518 in FIG. 5).

The process of processing and adjusting the medical image and displaying it is the same as the process 313 of image display in FIG.
Since the display palette table is set in the process of FIG. 2, the medical image displayed in the process of FIG. 5 is displayed according to the color tone as it is set in the setting input screen of FIG. . And the setting input screen of FIG.
It can be called from the image display process 518 in FIG. 5, and the display palette table can be changed.

In this way, the file device 1 is provided so that the color tone is set as it is seen by the display palette table.
The medical image file saved in 22 is displayed on the display 28.
2, the difference in the appearance of the image due to the difference in the inspection device (modality) is compensated by the display palette table. Since there is no difference in the appearance of the images, there is no discomfort when the images are viewed for image diagnosis, particularly for the purpose of follow-up observation or comparison of the same case, and diagnosis is facilitated.

Since the pallet data of the display pallet table is managed by the doctor code group, the display pallet table can be freely set according to the user's preference and the image display suitable for each person's taste can be displayed. You can

In particular, in the medical image filing system using the network as shown in FIG.
By storing the display palette table in No. 2, there is an advantage that the display palette table can be shared by each medical image display apparatus 280 even when a plurality of medical image display apparatuses 280 are connected. 28
By setting 0 to the same specification, any medical image display device 280 can perform the same display.

By connecting the file device 122 directly to the medical image display device 280 instead of the network and connecting the MO drive, the medical image display device 280 can also be used in a medical image system for exchanging MOs.

[0036]

According to the medical image display device of the first aspect of the present invention and the medical image filing system of the fourth aspect of the present invention, the display displays the medical image in the color tone set in the display palette table. Even if the color tone of the medical image obtained by each inspection device is different, it is compensated by the setting of the display palette table, so the difference is absorbed and the medical image is displayed in the color tone according to the setting of the display palette table. Can be displayed with.

Particularly, in the medical image filing system, by storing the display palette table in the file device, the display palette table can be shared even when a plurality of medical image display devices are connected.

According to the medical image display device of the invention of claim 2 and the medical image filing system of the invention of claim 5, the set value of the color tone in the displayed state is stored in the display palette table. , It is possible to display the medical image on the display in the color tone as it is seen at the time of setting.

According to the medical image display device of the invention of claim 3 and the medical image filing system of the invention of claim 6, the color tone to be displayed on the display is set for each operator, and the set color tone is set. Since the medical image is displayed on the display, the color tone can be set for each operator according to his or her preference.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a medical image display device and a medical image filing system using the same.

FIG. 2 is a flowchart of inputting setting values of a display palette table.

FIG. 3 is a diagram showing an input screen for setting values of a display palette table.

FIG. 4 is a diagram showing an example of a display palette table.

FIG. 5 is a flowchart of an operation when displaying a medical image with reference to a display palette table.

FIG. 6 is a diagram showing an example of a list display of a file list.

FIG. 7 is a configuration diagram of a medical image filing system according to a conventional example.

[Explanation of symbols]

120 file server, 122 file device, 1
50, 170, 180a, 180b Inspection device, 280
Medical image display device, 218a arithmetic processing device

Claims (6)

[Claims] 1. A medical image display device used for storing medical images obtained from a plurality of examination devices as a medical image file and reading the medical image file to display the medical image, A display for displaying, and an arithmetic processing unit that reads out the medical image file and displays the medical image file on the display, and the arithmetic processing unit is a display palette for determining a color tone to be displayed on the display for each of the inspection devices. A medical image display device, which refers to a table and displays the medical image on the display in a color tone set in the display palette table. 2. The arithmetic processing unit causes a medical image to be displayed on the display in a color tone according to a set value input from an input device, and stores the set value of the displayed color tone in a display palette table. The medical image display apparatus according to claim 1, wherein a display palette table for setting a color tone to be displayed on the display is set for each of the inspection apparatuses. 3. The display palette table has a set value of a color tone to be displayed on the display for each operator, and the arithmetic processing unit causes a password to be input, and the color tone of the operator corresponding to the password is input from the password. The medical image display device according to claim 1, wherein the medical image is displayed on the display in a color tone that is set by extracting a set value from a display palette table. 4. A file server having a plurality of inspection devices, a file device for storing medical images obtained from the inspection devices as medical image files, and a medical image for reading the medical image files and displaying the medical images. In a medical image filing system including a display device, a filing device stores a display palette table for determining a color tone to be displayed on the display for each of the inspection devices, and the medical image display device displays the medical image. It has a display for displaying and an arithmetic processing unit for reading the medical image file and displaying the medical image file on the display. The arithmetic processing unit refers to the display palette table and sets the color tone set in the display palette table. Is characterized by displaying the medical image on the display. Medical image filing system which is characterized in that. 5. The arithmetic processing unit causes a medical image to be displayed on the display in a color tone according to a set value input from an input device, and stores the set value of the displayed color tone in a display palette table. The medical image filing system according to claim 4, wherein a display palette table for determining a color tone to be displayed on the display is set for each of the inspection devices. 6. The display pallet table has a setting value of a color tone displayed on the display for each operator, and the arithmetic processing unit causes a password to be input, and the color tone of the operator corresponding to the password is input from the password. 6. The medical image filing system according to claim 4, wherein the medical image filing system displays the medical image in the set color tone by extracting the set value from the display palette table.