JP2003024316A - Radiographic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radiographic device to which a radiographic condition file of a changed content can efficiently be rewritten by simple operation. SOLUTION: This radiographic device performs radiography by deciding the radiographic condition by selecting a radiographic condition file storing information required for radiography. A referring picture 17 is provided with a rewriting instruction button 17k for instructing rewriting of the radiographic condition file with the changed content when the radiographic condition is changed by a reference picture 17 for referring to radiographic conditions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiographic image capturing apparatus for performing radiographic image capturing under image capturing conditions selected on a selection screen of an image capturing condition file in which parameters necessary for radiation image capturing are stored.

[0002]

2. Description of the Related Art Radiographic images are often used for diagnosing illness, and when radiographic imaging is performed on a patient, a radiographic condition file in which parameters necessary for radiographic imaging are saved is displayed on a routine selection screen. The shooting condition is determined by selecting the condition key set in advance. The imaging condition file is composed of imaging information, processing information, and output information. For example, a film size is designated as output information when a radiation image is formed on a film and output from an output device. In such a case, when the film size is changed and output according to the user's wishes, the output size is changed on the output information screen.

However, when the shooting condition file is modified with the changed output size, conventionally, the screen of a normal routine is moved to a condition key selection screen via a utility screen and rewritten with the target condition key each time. However, the operation was troublesome, and the radiation imaging operation could not be performed efficiently.

[0004]

SUMMARY OF THE INVENTION In view of the above problems of the prior art, the present invention provides a radiographic image capturing apparatus capable of efficiently rewriting an image capturing condition file whose content has been changed by a simple operation. With the goal.

[0005]

In order to achieve the above object, the radiographic image capturing apparatus according to the present invention sets the radiographic condition by selecting a radiographic condition file in which information necessary for radiographic imaging is stored on a selection screen. In the radiographic image capturing apparatus that determines and performs radiation imaging, when the imaging condition is changed on the reference screen that refers to the imaging condition, the reference screen instructs the rewriting instruction to rewrite the imaging condition file with the changed content. It is characterized by comprising means.

According to this radiation image radiographing apparatus, since the radiographing condition file can be rewritten by the rewriting instruction means on the reference screen in which the radiographing conditions are changed, rewriting can be performed by a simple operation, operability is improved, and efficiency is improved. Radiography operation becomes possible.

The reference screen is composed of a plurality of screens that respectively display a plurality of types of information relating to the photographing conditions, and each screen can be configured to include the rewriting instruction means.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 is a block diagram showing a radiographic image capturing apparatus according to the present embodiment, FIG. 2 is a block diagram showing an entire main part of the radiographic image capturing apparatus of FIG. 1, and FIGS. 3 to 6 are radiation diagrams of FIG. It is a figure which shows the example of the screen displayed on the display part of an image pick-up device.

The radiation image capturing apparatus of FIG. 1 irradiates a standing subject with radiation and records a radiation image of the radiation transmitted through the subject on a stimulable phosphor sheet. 11 and a recumbent radiation imaging unit 1 for irradiating a subject in a recumbent state.
1a and a reader for reading a radiation image recorded on the stimulable phosphor sheet based on an electric signal obtained by condensing and photoelectrically converting light generated by scanning excitation light from each stimulable phosphor sheet. 12, 12a, an image processing unit 13 that performs image processing on the read radiation image information, and a display unit 14 that can display the image-processed radiation image and is made of a CRT or liquid crystal. The radiation image information from the image processing unit 14 is output as a radiation image formed on a film or the like from a device selected from the plurality of image forming devices 15 and 15a.

The radiation image capturing apparatus of FIG. 1 will be further described with reference to FIG. As shown in FIG. 2, the radiation image capturing apparatus 50 includes a controller 72 including the image processing unit 13 and the display unit 14. When the standing reader 12 irradiates with radiation, a part of this radiation energy is accumulated,
After that, a stimulable phosphor that exhibits stimulated emission according to the accumulated radiation energy when irradiated with excitation light such as visible light or laser light is used, and a stimulable phosphor is laminated on a support. The sheet-shaped photostimulable phosphor sheet 2 temporarily stores and records the radiation image information of the subject M such as a human body by the X-rays emitted from the X-ray irradiation unit 61 controlled by the control unit 62 of the radiation image capturing unit 11. Then, laser light is scanned from the scanning optical unit 4 to sequentially cause stimulated emission, and the stimulated emission light is photoelectrically sequentially read by the photomultiplier 1 to obtain an image signal. Then, the reader 12 attaches the halogen lamp 6 to the stimulable phosphor sheet 2 after reading the image signal.
The sheet is irradiated with erasing light to release the radiation energy remaining on this sheet, and is ready for the next imaging.

The reader 12 is provided with a stimulable phosphor sheet 2 for radiation image information of a subject, and a laser light source unit 56 including a laser diode or the like for generating laser light as excitation light for the stimulable phosphor sheet 2. A laser drive circuit 85 for driving the laser light source unit 56, and a laser light source unit 56.
System 57 for scanning the laser beam from the stimulable phosphor sheet 2 on the stimulable phosphor sheet 2, and a condensing reading unit for condensing the photostimulated luminescence excited by the excitation laser beam and photoelectrically converting the image to obtain an image signal. 59 and. The condensing reading unit 59 includes an optical guide 3 that condenses the stimulated emission emitted by the excitation laser light, and a photomultiplier (photomultiplier tube) 1 that photoelectrically converts the light condensed by the optical guide 3. , A high-voltage power supply 10a for applying a voltage to the photomultiplier 1, and a current signal from the photomultiplier 1 for current-voltage conversion / voltage amplification / A
Conversion unit 8 for converting to a digital signal by D / D conversion or the like
1, a correction unit 82 that corrects the digital signal converted by the conversion unit 81, and an image transmission unit 83 that transmits the digital signal corrected by the correction unit 82. Signal to controller 72
Send to. The correction unit 82 is composed of a RISC processor and corrects a response delay or unevenness of the digital signal.

The reader 12 further irradiates the halogen lamp 6 for erasing light in order to release the radiation energy remaining on the stimulable phosphor sheet after reading the image signal, and the driver 45 for driving the halogen lamp 6. Have and. The reader 12 also includes a control unit 47 that controls the laser drive circuit 5, the high-voltage power supply 10 a, the conversion unit 81, the correction unit 82, the image transmission unit 83, and the driver 45. Further, the laser light source unit 56 of the reader 12 and the optical system 57
The scanning optical unit 4, including, the light guide 3, the photomultiplier 1, and the halogen lamp 6 integrally move as a sub-scanning unit (not shown) in the sub-scanning direction perpendicular to the laser scanning direction by the ball screw mechanism. This sub-scanning unit moves to perform sub-scanning during image reading,
During the backward movement, the halogen lamp 6 emits light to erase the afterimage.

The controller 72 has a personal computer body 65 constituting the image processing unit 12, etc., a keyboard 66, and a display unit 14, and once stores a digital signal of radiation image information received from the reader 12 in a memory. The image data is stored, image-processed, the display on the display unit 14 and the image processing are controlled according to the operation input from the keyboard 66, and the image-processed radiation image information is output. The personal computer main body 65 includes a storage unit including a storage device such as a hard disk, and stores and saves shooting condition files corresponding to a plurality of condition keys.
Further, the recumbent reader 12a in FIG. 1 has the same configuration.

Next, the screen displayed on the display unit 14 of the radiographic image capturing apparatus shown in FIGS. 1 and 2 will be described.

The radiation image capturing apparatus shown in FIGS. 1 and 2 is displayed on the display unit 14 of the controller 72 when performing the radiation image capturing.
The photographing basic screen 16 as described above is displayed. As shown in FIG. 3, the imaging basic screen 16 displays the patient ID
A patient information button 16a for switching to a screen for inputting patient information such as number, name, sex, date of birth,
For example, the inspection site and the visual field position, the radiation image capturing unit 1 of FIG.
1. An inspection information button 16b for switching to a screen for inputting inspection information such as X-ray tube voltage, X-ray tube current, X-ray irradiation time, irradiation area, etc., and a condition key for selecting an imaging site, an imaging method, etc. And a condition button 16c for switching to a screen for displaying.

As shown in FIG. 7, the condition button 16 of FIG.
On the condition key screen 20 which is switched by pressing c,
For example, a plurality of buttons 20 for selecting the imaging region and the imaging direction
When a is displayed and each button is pressed, the imaged part and the imaged direction can be selected. Imaging conditions, image processing conditions, and output conditions are set in advance for each of a plurality of condition keys, and an imaging condition file is stored in the storage unit of the controller corresponding to each condition key, and the information necessary for radiation imaging is saved. ing.
Select the shooting condition file with each condition key to determine the shooting condition.

The shooting basic screen 16 of FIG. 3 further refers to the input button 16d for switching to the input screen for referring to the input information determined by the shooting condition file and the image processing information determined by the shooting condition file. A processing button 16e for switching to a reference screen for
An output button 16f for switching to an output screen for referring to the output information determined by the shooting condition file is provided.

FIG. 4 shows the input button 1 on the screen 16 of FIG.
It is a figure which shows of the input screen which switches when 6d is pressed. As shown in FIG. 4, the input screen 17 displays input information for generating a radiation image. The input screen 17 includes a reader display unit 17a that displays a reader such as the upright reader 11 or the recumbent reader 12a in FIG. 1, a sensitivity display unit 17b that displays the reading sensitivity of the reader, and a shooting time. A size display section 17c for displaying the input size of the film, an orientation display section 17d for displaying the orientation of the film, a position display section 17e for displaying the position of the film, and a resolution display section 17f for displaying the resolution of the film. There is.

Further, the input screen 17 has a display section 17g indicating whether to rotate / reverse an image, a display section 17h indicating whether reference suspension is performed, and a display section 17 indicating whether examination suspension is performed.
i, and a display section 17j indicating whether or not protection is performed. In the input screen 17, the input information displayed on each of the display units 17a to 17j can be corrected on the screen 17, but in this case, in order to instruct to correct the condition key with the corrected input information and rewrite the photographing condition file. The condition key correction button 17k is provided.

FIG. 5 shows the process button 1 on the screen 16 of FIG.
It is a figure which shows the process screen switched when 6e is pushed. Figure 5
As described above, the image processing information for image processing of the radiation image is displayed on the processing screen 18. The processing screen 18 includes a processing display unit 18a that displays an image processing target and an LUT display unit 18 that displays a lookup table used for image processing.
b, a display unit 18c that displays the presence or absence of the density of interest, a parameter display unit 18d that displays image processing parameters (S value, G value), and the like.

The processing screen 18 has display units 18a to 18d.
The image processing information displayed on the screen can be corrected on the screen. In this case, a condition key correction button 18e for instructing to correct the condition key with the corrected image processing information and rewrite the shooting condition file is provided.

FIG. 6 shows the output button 1 on the screen 16 of FIG.
It is a figure which shows the output screen which switches when 6f is pressed. Figure 6
As described above, the output screen 19 displays output information for outputting the image-processed radiation image to an image forming apparatus such as a printer. The output screen 19 is the image forming apparatus 1 of FIG.
Display unit 19a for displaying an output device such as 5, 15a
And a display unit 19 for displaying an output destination printer (output device)
b, a display unit 19c that displays the number of output sheets, a display unit 19d that displays the output form, a display unit 19e that displays the image enlargement method, a display unit 19f that displays the output size, and the orientation of the output film. The display unit 19g for displaying the background of the output film, the display unit 19h for displaying the background of the output film, the display unit 19i for displaying the presence or absence of the shutter, and the like.

The output screen 19 is displayed on each of the display sections 19a to 19i.
The output information displayed on the screen can be corrected on the screen. In this case, a condition key correction button 19j for instructing to correct the condition key with the corrected output information and rewrite the shooting condition file is provided.

As described above, when radiographic imaging is performed by the radiographic imaging apparatus shown in FIGS. 1 and 2, the radiographic imaging screen 16 of the routine displayed on the display unit 14 of the controller 72 is displayed by the buttons 16a to 16f. When the shooting condition is determined on the condition key screen 20, the shooting condition can be referred to on the reference screens 17 to 19 when the shooting condition is changed on the reference screen. ,
When you want to rewrite the shooting condition file corresponding to the condition key with the changed contents, you can easily rewrite by pressing the condition key correction button on the screen.

The operation of the radiation image capturing apparatus shown in FIGS. 1 to 7 will be described. Condition key screen 2 as shown in FIG.
When 0 is selected, the photographing condition is determined by the condition key, the screen 16 of FIG. 3 is returned to, and then the input screen 17 of FIG. 4 and the processing screen 18 of FIG.
Also, each information is referred to on the output screen 19 of FIG. here,
When it is desired to correct the information displayed on each screen and rewrite the shooting condition file of the condition key, for example, the output screen 19 of FIG.
When the condition key correction button 19j on the screen 19 is pressed when the size of the output film displayed on the display section 19f is changed, the controller 72 which has received this instruction information changes the shooting condition file corresponding to the condition key. Is controlled to be rewritten, and rewriting is performed in the storage device of the personal computer body 65. As a result, the condition key screen 2 is displayed each time.
Returning to 0, there is no need to search for and correct the target condition key from a large number of condition keys, and it is not necessary to rewrite the imaging condition file, the rewriting operation is easy, operability is improved, and efficient radiation Shooting operation becomes possible.

Although the present invention has been described above with reference to the embodiments, the present invention is not limited to these.
Various modifications are possible within the scope of the technical idea of the present invention. For example, the screens of FIGS. 3 to 7 are examples, and it goes without saying that screens according to other modes may be used.

[0027]

According to the present invention, it is possible to provide a radiographic image capturing apparatus capable of efficiently rewriting an image capturing condition file whose contents have been changed by a simple operation.

[Brief description of drawings]

FIG. 1 is a block diagram showing a radiation image capturing apparatus according to this embodiment.

FIG. 2 is a block diagram showing an entire main part of the radiation image capturing apparatus of FIG.

FIG. 3 is a diagram showing an example of an imaging basic screen displayed during radiation imaging on the display unit of the radiation image capturing apparatus of FIGS. 1 and 2.

FIG. 4 is a diagram showing an example of an input screen that is switched by pressing an input button 16d on the screen 16 of FIG.

5 is a diagram showing an example of a processing screen which is switched when a processing button 16e is pressed on the screen 16 of FIG.

6 is a diagram showing an example of an output screen which is switched when an output button 16f is pressed on the screen 16 of FIG.

7 is a diagram showing an example of a condition key screen which is switched by pressing a condition button 16c on the screen 16 of FIG.

[Explanation of symbols]

14 display section 16 basic shooting screen 17 input screen 17k condition key correction button (rewriting instruction means) 18 processing screen 18e condition key correction button (rewriting instruction means) 19 output screen 19j condition key correction button (rewriting instruction means) 20 condition key screen

Claims (2)

[Claims] 1. A radiographic image capturing apparatus that determines radiographic conditions by selecting a radiographic condition file in which information necessary for radiographic imaging is stored on a selection screen, and a reference screen that refers to the radiographic conditions in a radiographic imaging device. The radiographic image capturing apparatus according to claim 1, wherein when the image capturing condition is changed, the reference screen includes a rewriting instruction unit for instructing to rewrite the image capturing condition file with the changed content. 2. The radiation according to claim 1, wherein the reference screen is composed of a plurality of screens that respectively display a plurality of types of information regarding the imaging conditions, and each screen includes the rewriting instruction means. Image capture device.