JP2004209018A - X-ray image diagnostic apparatus and radiography method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the efficiency of setting conditions in radiography and to improve the safety in X-ray irradiation. <P>SOLUTION: A display screen showing X-ray irradiation conditions of an X-ray generating part 2 irradiating X-rays to a subject is displayed with two or more other display screens as a multi-window display screen on a user interface 14 of a console panel 9. On the other hand, a hand switch attach/detach sensor mounted on a switch holder 13 detects that a hand switch 12 for outputting a timing signal of X-ray irradiation is taken out of the switch holder 13, and according to the detection signal, the X-ray irradiation condition display screen is automatically displayed on the user interface 14 with priority over the other condition display screens to perform final confirmation about the X-ray irradiation condition. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an X-ray diagnostic imaging apparatus, and more particularly to an X-ray diagnostic imaging apparatus and an X-ray imaging method with improved operability and safety.
[0002]
[Prior art]
Medical image diagnostic technology using an X-ray image diagnostic device, an MRI device, or an X-ray CT device has rapidly progressed with the development of computer technology in the 1970s and has become indispensable in today's medical care. I have.
[0003]
Conventionally, as a detection element used in an X-ray diagnostic imaging apparatus, an X-ray film or I.D. I. (Image intensifier) has been used. I. I. In an X-ray imaging method using X-rays, an object is irradiated with X-rays generated from an X-ray tube. I. Is converted into an optical image, and this optical image is photographed by an X-ray TV camera and converted into an electric signal.
Then, the X-ray image information converted into the electric signal is displayed on a monitor after A / D conversion. For this reason, I. I. The photographing method using the method enables real-time photographing that could not be performed by the film method, and also enables collection of image data by digital signals, thereby enabling various image processing.
[0004]
Further, this I.D. I. In recent years, a two-dimensional array of X-ray flat panel detectors (hereinafter, flat panel detectors) has attracted great attention, and some of them have already entered the stage of practical use. Since an apparatus using this flat panel detector can directly convert X-ray image information into an electric signal, a great improvement in image quality performance and stability is expected.
[0005]
In such an apparatus, it is important to set optimal imaging conditions depending on the imaging region of the subject, the imaging method, or the imaging purpose (for example, see Patent Document 1).
[0006]
In addition, a general-purpose personal computer has been introduced into a user interface including an operation unit and a display unit of a recent X-ray image diagnostic apparatus, and various condition settings in X-ray imaging are displayed on a multi-window displayed on the display unit. It has become easier to use screens. The condition setting includes an X-ray irradiation condition, a bed control condition, an image processing condition, and the like, which are set and displayed on the window screen. Further, the patient registration information is also displayed on a similar window screen.
[0007]
[Patent Document 1]
JP-A-2000-261724 (page 3-5, FIG. 3)
[0008]
[Problems to be solved by the invention]
When irradiating the subject with X-rays after setting various conditions in the X-ray image diagnostic apparatus as described above, the operator must make a final confirmation of the irradiation conditions in the X-ray irradiation condition setting window. Is obliged from the viewpoint of ensuring safety for the subject. That is, the operator operates an input device such as a mouse provided on the operation panel of the operation unit to select and display a desired X-ray irradiation condition setting window from a plurality of condition setting windows. A method of confirming irradiation conditions has been adopted. However, according to this method, it is troublesome to select a desired window screen (X-ray irradiation condition setting window) from many window screens displayed on the monitor screen of the display unit.
[0009]
On the other hand, conventionally, a hand switch is provided in the operation unit of the X-ray diagnostic imaging apparatus, and a method of inputting a trigger (timing) signal of X-ray irradiation by using the hand switch has been adopted. Since the switch does not have an interlock function, there is a problem that the operator erroneously irradiates the subject with X-rays by touching the hand switch by mistake.
[0010]
The present invention has been made in view of such problems, and an object of the present invention is to provide an X-ray image diagnostic apparatus and an X-ray diagnostic apparatus capable of improving operation efficiency in X-ray irradiation and ensuring high safety. An object of the present invention is to provide a radiographic method.
[0011]
[Means for Solving the Problems]
In order to solve the above problem, in the X-ray image diagnostic apparatus according to the first aspect of the present invention, an X-ray generating unit that irradiates an X-ray to an imaging position of a subject, and an X-ray generating unit that irradiates the X-ray generating unit X-ray detection means for detecting the detected X-rays, image data generation means for generating X-ray image data at the imaging position based on the X-ray information detected by the X-ray detection means, and at least the X-ray generation means Condition setting means for setting the X-ray irradiation conditions in the above, display means for displaying a plurality of user interface screens including a screen indicating the X-ray irradiation conditions set by the condition setting means, and condition setting by the condition setting means A timing signal output means for outputting an end timing signal; and a condition setting end timing signal output from the timing signal output means. It is characterized by comprising a display control means for preferentially displayed the X-ray irradiation condition screen to another user interface screen in means.
[0012]
Further, in the X-ray image diagnostic apparatus according to the present invention, an X-ray generating means for irradiating the imaging position of the subject with X-rays and a timing signal for X-ray irradiation by the X-ray generating means are output. A hand switch, a switch holder for holding the hand switch, and a hand switch attachment / detachment detection means for detecting the attachment / detachment state of the hand switch with respect to the switch holder. Irradiating the subject with X-rays based on a detection signal output by the hand switch attachment / detachment detecting means and an X-ray irradiation timing signal output from the hand switch when the worm is taken out of the switch holder. It is characterized by.
[0013]
Further, in the X-ray imaging method of the present invention according to claim 8, a step of setting a standard value of the X-ray irradiation condition for the subject, and displaying a screen showing the standard setting value of the X-ray irradiation condition to another user interface. Displaying together with a screen, updating the standard setting value of the X-ray irradiation condition as needed; and taking out a hand switch for generating an X-ray irradiation instruction signal from a switch holder holding the hand switch; A step of displaying a screen showing a set value of the X-ray irradiation condition over another interface screen based on a detection signal from a switch holder or a hand switch attachment / detachment sensor provided on the hand switch; Supplying an X-ray irradiation instruction signal to an X-ray generation unit to perform X-ray imaging That.
[0014]
Therefore, according to the present invention, various conditions for X-ray imaging can be set efficiently, and the time required for X-ray diagnosis can be reduced. Further, erroneous irradiation of the subject with X-rays can be prevented, so that safety in X-ray diagnosis is improved.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
A feature of the embodiment of the present invention is that, by providing a hand switch or a hand switch attaching / detaching sensor on a switch holder, when the operator performs X-ray irradiation, it is automatically detected that the hand switch has been taken out. It is in. The output of the hand switch attach / detach sensor automatically displays an X-ray irradiation condition setting window on the monitor of the display unit, and enables X-ray irradiation based on an X-ray irradiation trigger (timing) signal generated from the hand switch. .
[0016]
The configuration of the X-ray image diagnostic apparatus according to the embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a diagram showing a schematic configuration of the entire X-ray image diagnostic apparatus, and FIG. 2 is a block diagram of the X-ray image diagnostic apparatus.
[0017]
The X-ray diagnostic imaging apparatus 100 shown in FIG. 1 supplies an X-ray generator 2 for emitting X-rays toward a subject 3 and a high voltage required for X-ray emission in the X-ray generator 2. A high-voltage generator 1, a high-voltage controller 20 for controlling the high-voltage generator 1, an X-ray detector 5 for detecting X-rays transmitted through the subject 3, an X-ray generator 2, and an X-ray detector And a mechanism control unit 6 for moving the bed 4 on which the subject 3 is placed in a predetermined direction.
[0018]
The X-ray image diagnostic apparatus 100 stores the X-ray image data generated by the X-ray detection unit 5 and performs various image processing. A display unit 11 for displaying the stored X-ray image data, an operation unit 9 for the operator to input various instructions and set conditions, and a system control unit 8 for controlling the above units in an integrated manner. Have.
[0019]
Further, a switch holder 13 is provided on a console of the operation unit 9 of the X-ray diagnostic imaging apparatus 100, and a hand switch 12 connected to the system control unit 8 is detachably attached to the switch holder 13. . A user interface 14 including a liquid crystal panel and the like used for setting various conditions is provided on a console of the operation unit 9.
[0020]
The configuration of the X-ray diagnostic imaging apparatus 100 according to the present embodiment having such a schematic configuration will be described in more detail with reference to the block diagram of FIG.
[0021]
The X-ray generator 2 in FIG. 2 includes an X-ray tube 21 for irradiating the subject 3 with X-rays and an X-ray diaphragm 22 for collimating the X-rays emitted from the X-ray tube 21. The X-ray tube 21 is a vacuum tube that generates X-rays, and accelerates electrons by a high voltage supplied from the high-voltage generator 1 and causes the electrons to collide with a tungsten target to generate X-rays. The X-ray diaphragm 22 is located between the X-ray tube 21 and the subject 3 placed on the couch 4, and functions to narrow the X-ray beam emitted from the X-ray tube 21 to an image receiving size to obtain a clear image. have.
[0022]
The couch 4 is disposed between the X-ray generation unit 2 and the X-ray detection unit 5 fixed at a predetermined interval by the C-arm 7, and is arranged in the body axis direction (in the drawing) to perform imaging of a predetermined portion of the subject 3. (Vertical direction) and the like.
[0023]
The X-ray detection unit 5 outputs the X-ray I.D. I. 24 and an X-ray television camera 26. I. The X-ray image information transmitted through the subject 3 by 24 is converted into visible light, and the brightness is multiplied in the process of photo-electron-light conversion to be converted into a sensitive optical image. The X-ray image information converted into the optical image is converted into an electric signal (video signal) by the X-ray television camera 26. The X-ray television camera 26 uses a CCD image sensor. Hereinafter, the X-ray generation unit 2 and the X-ray detection unit 5 are collectively referred to as an image system.
[0024]
The image operation / storage unit 10 includes an A / D converter 27, an image data storage circuit 28, and an image operation circuit 29. The A / D converter 27 is adapted to transmit X-rays transmitted from the X-ray television camera 26. A video signal as image information is converted into a digital signal to generate X-ray image data. The image data storage circuit 28 temporarily stores the X-ray image data, and the image operation circuit 29 performs various image processing on the image data or subtraction between images before and after the injection of a contrast agent in the case of DSA imaging. And other calculations.
[0025]
On the other hand, the display unit 11 includes a display image data storage circuit 30 for temporarily storing one sheet of X-ray image data necessary for display, or numerals and various characters as supplementary information of the X-ray image data, and A D / A converter 31 for converting the obtained X-ray image data and incidental information into an analog signal, a format conversion circuit 32 for converting the analog signal into a TV format to generate a video signal, and a video signal converted to a video signal The monitor 33 is configured to display X-ray image data.
[0026]
On the other hand, the mechanism control section 6 includes an image-based moving mechanism section 38, a bed moving mechanism section 39, and a mechanism control circuit 40. The image system moving mechanism unit 38 is integrated with the C-arm 7 supporting the X-ray generation unit 2 and the X-ray detection unit 5 (image system), and rotates around the bed 4 and the body axis direction of the subject 3. A mechanism is provided for moving to
[0027]
The couch moving mechanism unit 39 is integrated with the top plate of the couch 4 and includes a mechanism for moving the couch 4 in the body axis direction of the subject 3 with the subject 3 placed thereon. The mechanism control circuit 40 is a circuit for controlling the movement of the image system and the bed 4 by the image system moving mechanism unit 38 and the bed moving mechanism unit 39, and outputs a control signal to each mechanism unit.
[0028]
The operation unit 9 includes a liquid crystal panel (user interface) 14, a keyboard, a trackball, a mouse, various selection buttons, a setting value increase / decrease knob, and the like on an operation panel. The user interface 14 includes a set value list window W1, an X-ray irradiation condition setting window W2, a bed control setting window W3, a patient registration information window W4, and a menu window W0 for selecting these windows (W1 to W4). Display is possible.
[0029]
FIG. 3 shows the windows W0 to W4 displayed on the user interface 14. The menu window W0 is displayed immediately after the power is turned on, and the operator operates the setting value list window displayed on the menu window W0. A desired window is selected and displayed from a W1, X-ray irradiation condition setting window W2, a bed control setting window W3, and the like using a mouse or the like.
[0030]
As shown in FIG. 3, the main condition setting values such as the X-ray irradiation condition and the bed control condition are displayed in the setting value list window W1, and the patient ID, the date of birth, and the like are displayed in the patient registration information window W4. The imaging part, the imaging method, the past diagnosis result, and the like are displayed.
On the other hand, an X-ray irradiation condition setting window W2 displays condition setting values such as an X-ray tube current and a tube voltage at the time of X-ray irradiation, and an imaging time, and a bed control condition setting window W3 displays movement of the bed 4. The condition setting values such as the speed, the moving range, the moving direction, and the enlargement ratio of the image are displayed.
[0031]
The operation unit 9 shown in FIG. 2 is provided with a hand switch 12 for inputting a start trigger (timing) of X-ray irradiation and a switch holder 13 for holding the hand switch 12. The switch holder 13 is provided with a hand switch attachment / detachment sensor (not shown). When an operator issues an instruction for X-ray irradiation using the hand switch 12, the hand switch 12 is taken out of the switch holder 13, and The removal is detected by the hand switch attaching / detaching sensor. Details of the hand switch 12 and the switch holder 13 will be described later.
[0032]
The system control unit 8 includes a CPU (central processing unit) 35 and a storage circuit 36. The CPU 35 controls the units and controls the entire system in accordance with a command signal input from the operation unit 9.
[0033]
On the other hand, the storage circuit 36 of the system control unit 8 has storage areas corresponding to the windows W0 to W3 displayed on the user interface 14 of the operation unit 9, and these storage areas are automatically set when the power is turned on. The stored standard setting values and updated setting values are stored.
[0034]
For example, in a storage area corresponding to the X-ray irradiation condition setting window W2, condition setting values such as an X-ray tube current, a tube voltage, and an imaging time at the time of X-ray irradiation are stored. Condition setting values such as the moving speed, the moving range, and the moving direction of the bed 4 are stored in the storage area. In the storage area corresponding to the setting value list window W1, the main condition setting values of the X-ray irradiation conditions, the bed control conditions, and the like are collectively stored, and the storage area corresponding to the patient registration information window W4 is stored. The ID, date of birth, imaging site, imaging method, and past diagnosis results are supplied from, for example, a hospital server when the patient ID is input, and registered in advance.
[0035]
Further, the storage circuit 36 is provided with a standard value storage area in which standard setting values for the condition setting items of the setting value list window W1 are stored. In this storage area, for example, the X-ray image diagnostic apparatus 100 is installed. In each medical facility, a standard setting value uniquely set is stored.
[0036]
Next, an X-ray imaging procedure according to the embodiment of the present invention will be described with reference to FIGS. FIG. 4 shows a flowchart of the shooting procedure.
[0037]
When the power of the X-ray diagnostic imaging apparatus 100 is turned on, the X-ray diagnostic imaging apparatus 100 is connected to a server (not shown) installed in the same medical facility. After the apparatus power is turned on, the CPU 35 of the system control unit 8 stores the standard setting values of the respective condition setting items stored in the standard value storage area of the storage circuit 36 in the storage area corresponding to the setting value list window W1 of the same storage circuit 36. It is sent and temporarily stored (step S1 in FIG. 4).
[0038]
Next, when the operator inputs the patient ID from the operation unit 9, the CPU 35 of the system control unit 8 changes the patient registration information corresponding to the patient ID from the patient registration information already stored in the server. It is read and stored in the storage area of the storage circuit 36 corresponding to the patient registration information window W4 (step S2 in FIG. 4).
[0039]
When the initial value setting in the storage areas corresponding to the set value list window W1 and the patient registration information window W4 is completed, the operator uses the operation unit 9 via the system control unit 8 to move the video system moving mechanism of the mechanism control unit 6. An instruction signal is supplied to the section 38 or the bed moving mechanism section 39, and the subject 3 is set to an optimum position with respect to the X-ray generation section 2 and the X-ray detection section 5.
[0040]
At this point, a menu window W0 is displayed on the user interface 14 of the operation unit 9, and the operator can change the setting value list window W1 from among the window names shown in the menu window W0 with a mouse or the like. Choose by. Then, in the set value list window W1 displayed on the user interface 14, the already set standard set values are confirmed. For example, if it is necessary to update the set values of the X-ray irradiation conditions, the menu window W0 is re-set from the menu window W0. The line irradiation condition setting window W2 is selected.
[0041]
Next, a predetermined set value field of the X-ray irradiation condition setting window W2 displayed on the forefront of the user interface 14 is selected by a mouse, and the set value increasing / decreasing knob provided on the operation unit 9 or the set value is set by a keyboard or the like. Update. The updated set values are reflected also in the set value list window W1, and the updated set values are also stored in the storage areas of the storage circuit 36 corresponding to each window.
[0042]
By the same procedure, the setting values in other windows such as the bed control setting window W3 are updated as necessary (step S3 in FIG. 4).
[0043]
When all the conditions have been set in this way, it is necessary to return to the X-ray irradiation condition setting window W2 again based on the rules of the X-ray diagnosis and make a final check of the X-ray irradiation conditions related to the biological safety. The operator selects and displays a desired X-ray irradiation condition setting window W2 from a plurality of (N) windows W0 to WN superimposed and displayed on the user interface 14 of the operation unit 9. I do.
[0044]
However, the display of the X-ray irradiation condition setting window W2 in the present embodiment is automatically performed when the operator takes out the X-ray irradiation hand switch 12 provided on the operation unit 9 from the switch holder 13. .
[0045]
FIG. 5 shows a cross section of the switch holder 13 provided in the operation unit 9 and the hand switch 12 inserted in the switch holder 13. A push button 15 used when the operator sends a trigger signal for X-ray irradiation to the system control unit 8 is mounted on the upper part of the hand switch 12, and when the push button 15 is pressed, conduction is performed. The switch 16 to be in a state is integrated. The first terminal of the switch 16 is grounded, and the second terminal is connected to the system control unit 8. The second terminal of the switch 16, which is at the H-level voltage in the normal image state (the state in which the push button 15 is not pressed) is turned to the L level (when the push button 15 is pressed by the operator). The signal changes to zero potential to generate a trigger signal for X-ray irradiation, and this signal is sent to the system control unit 8.
[0046]
On the other hand, at the bottom of the switch holder 13 holding the hand switch 12, a hand switch attachment / detachment sensor 18 composed of, for example, a micro switch is provided. The hand switch attachment / detachment sensor 18 detects the presence / absence of the hand switch 12 in the switch holder 13, and particularly when the hand switch 12 is taken out of the switch holder 13, the hand switch attachment / detachment sensor 18 sends the signal to the system controller 8. On the other hand, a detection signal (disengagement signal) is supplied.
[0047]
When the input of various condition settings is completed according to the procedure described above, the operator takes out the hand switch 12 from the switch holder 13 of the operation unit 9 (step S4). At this time, the hand switch attaching / detaching sensor 18 provided on the switch holder 13 senses that the hand switch 12 has been taken out, and supplies a detachment signal to the system control unit 8. The CPU 35 of the system control unit 8 receives this detachment signal, reads out information on the X-ray irradiation condition setting window W2 stored in the storage circuit 36, and displays the X-ray irradiation condition setting window W2 on the foreground of the user interface 14. It is displayed (step S5 in FIG. 4).
[0048]
FIG. 6 shows each of the condition setting windows W0 to W4 displayed on the user interface 14. Before taking out the hand switch 12 from the switch holder 13, the X-ray irradiation condition setting hidden by the other condition setting windows is shown. The window W2 (FIG. 6A) is displayed on the foreground by removing it from the switch holder 13.
[0049]
The operator observes the X-ray irradiation condition setting window W2 displayed on the user interface 14, and presses the push button 15 provided on the upper part of the hand switch 12 when confirming that there is no error.
[0050]
On the other hand, if there is an error or the like in the setting value displayed in the X-ray irradiation condition setting window W2 and the setting value needs to be updated, the operator returns the hand switch 12 to the switch holder 13 (step in FIG. 4). S6) After inputting the setting value to be changed using the X-ray irradiation condition setting window W2 displayed on the user interface 14 (Step S7 in FIG. 4), the hand switch 12 is taken out of the switch holder 13 again and the hand The push button 15 of the switch 12 is pressed.
[0051]
When the push button 15 is pressed by the operator, an X-ray irradiation start command is supplied from the hand switch 12 of the operation unit 9 to the system control unit 8, and further, a drive signal is transmitted from the system control unit 8 to the high voltage control unit 20. To the high voltage generator 1 via the
[0052]
With this drive signal, a high voltage is applied from the high voltage generator 1 to the X-ray tube 21 of the X-ray generator 1, and the X-ray tube 21 irradiates the subject 3 with pulsed X-rays (step in FIG. 4). S8). Then, the X-rays transmitted through the subject 3 are reflected by X-rays I.D. I. 24, an X-ray transmission image is obtained.
[0053]
X-ray I. I. The X-ray image is converted into an optical image by 24 and further converted into an electric signal (video signal) by an X-ray television camera 26. The video signal output from the X-ray television camera 26 is converted into a digital signal by the A / D converter 27 of the image storage / arithmetic unit 10 and stored in the image data storage circuit 28 as X-ray image data. When performing image processing such as contour enhancement, the CPU (not shown) of the image calculation circuit 29 reads out the X-ray image data stored in the image data storage circuit 28 under the control of the system control unit 8, After performing predetermined image processing, the image data is stored in the image data storage circuit 28 again.
[0054]
When one piece of X-ray image data is generated in the image data storage circuit 28, the system control unit 8 temporarily stores the image data of the image data storage circuit 28 in the display image data storage circuit 30 of the display unit 11. Further, after the D / A converter 31 and the format conversion circuit 32 perform the D / A conversion and the conversion into the TV format, they are displayed on the monitor 33 as an X-ray image (step S9 in FIG. 4).
[0055]
The X-ray irradiation command signal output from the hand switch 12 is input to the CPU 35 of the system control unit 8, and the X-ray irradiation control signal is supplied to the high-voltage generating unit 1. Only when it is taken out from the switch holder 13. That is, only when both the X-ray irradiation start command signal output from the hand switch 12 and the release signal output from the switch holder 13 are input to the CPU 35 of the system control unit 8, the CPU 35 A control signal for X-ray irradiation is output for 1.
[0056]
According to the above-described embodiment of the present invention, the X-ray irradiation condition setting window W2 is automatically displayed on the frontmost surface of the monitor 33 of the display unit 11 by removing the hand switch 12 from the switch holder 13. Therefore, the operator is free from the troublesome operation of selecting the X-ray irradiation condition setting window W2 from many window screens using a mouse or the like. Therefore, it is possible to efficiently set the imaging conditions for X-ray imaging, and it is possible to reduce the time required for X-ray diagnosis.
[0057]
Furthermore, according to the present embodiment, the X-ray irradiation start command output from the hand switch 12 is valid only when the hand switch 12 is taken out of the switch holder 13. Even if the operator accidentally touches the push button 15 of the placed hand switch 12, erroneous irradiation of the subject 3 with X-rays can be prevented, and safety in X-ray diagnosis is improved.
[0058]
As described above, the embodiments of the present invention have been described, but the present invention is not limited to the above embodiments, and can be modified and implemented. For example, in the present embodiment, the X-ray image diagnostic apparatus using the C-arm 7 has been described, but the present invention is not limited to this. X-ray I.I. I. The present invention is not limited to the X-ray detection unit 5 using the H.24, but may be a case using a plane detector.
[0059]
On the other hand, in the present embodiment, a screen for setting various conditions is displayed on the user interface of the operation unit 9, but may be displayed on the monitor 33 for displaying X-ray image data provided in the display unit 11. Further, the hand switch attachment / detachment sensor 18 is provided on the switch holder 13, but may be provided on the hand switch 12.
[0060]
Further, the present invention provides another X-ray image diagnostic apparatus such as an X-ray CT apparatus that irradiates the subject 3 with X-rays from a plurality of directions and obtains image data by image reconstruction based on the obtained transmitted X-ray dose. It is applicable also in.
[0061]
【The invention's effect】
As described above, according to the present invention, since various conditions for X-ray imaging can be set efficiently, the time required for X-ray diagnosis can be reduced. Further, erroneous irradiation of the subject with X-rays can be prevented, so that safety in X-ray diagnosis is improved.
[Brief description of the drawings]
FIG. 1 is a diagram showing a schematic configuration of an X-ray image diagnostic apparatus according to an embodiment of the present invention.
FIG. 2 is a block diagram of the X-ray image diagnostic apparatus according to the embodiment of the present invention.
FIG. 3 is a diagram showing a configuration of a condition setting screen displayed on a user interface according to the embodiment of the present invention.
FIG. 4 is a flowchart showing a procedure for setting X-ray irradiation conditions according to the embodiment of the present invention.
FIG. 5 is a diagram showing a configuration example of a hand switch and a switch holder according to the embodiment of the present invention.
FIG. 6 is a view showing each condition setting window displayed on a user interface according to the embodiment of the present invention.
[Explanation of symbols]
1. High voltage generator
2 X-ray generator
3: Subject
4: Sleeper
5 X-ray detector
6. Mechanism control unit
7 ... Holding mechanism
8. System control unit
9 ... Operation unit
10. Image calculation and storage unit
11 Display unit
12 ... Hand switch
13 ... Switch holder
15 ... push button
16 ... Switch
17… Operation panel
18. Hand switch attach / detach sensor
20 High voltage control section
21 ... X-ray tube
22 X-ray diaphragm
24 X-ray I. I.
26 ... X-ray TV camera
27 ... A / D converter
28 ... Image data storage circuit
29 ... Image operation circuit
30 ... Display image data storage circuit
31 ... D / A converter
32 ... Format conversion circuit
33… Monitor
35 ... CPU
36 ... Memory circuit
38 ... Video system moving mechanism
39: bed moving mechanism
40 ... Mechanism control circuit

Claims (8)

X-ray generation means for irradiating the imaging position of the subject with X-rays,
X-ray detection means for detecting X-rays emitted by the X-ray generation means,
Image data generating means for generating X-ray image data at the imaging position based on the X-ray information detected by the X-ray detecting means;
Condition setting means for setting at least X-ray irradiation conditions in the X-ray generation means;
Display means for displaying a plurality of user interface screens including a screen indicating the X-ray irradiation conditions set by the condition setting means;
Timing signal output means for outputting a timing signal for terminating the condition setting by the condition setting means,
Display control means for displaying the X-ray irradiation condition screen in preference to other user interface screens on the display means based on a condition setting end timing signal output from the timing signal output means. X-ray diagnostic imaging apparatus. 2. The X-ray image diagnostic apparatus according to claim 1, wherein the display unit displays a plurality of user interface screens including the X-ray irradiation condition screen in a multi-window. 2. The X-ray image diagnostic apparatus according to claim 1, wherein the condition setting unit updates a standard setting value of the X-ray irradiation condition displayed in advance on the display unit as needed. The timing signal output means includes a hand switch for outputting a timing signal of X-ray irradiation, a switch holder for holding the hand switch, and a hand switch attachment / detachment for detecting a detachment state of the hand switch with respect to the switch holder. 2. The X-ray diagnostic imaging system according to claim 1, further comprising a detection unit, wherein the timing signal for terminating the condition setting is output by the hand switch attachment / detachment detection unit when the hand switch is taken out of the switch holder. apparatus. X-ray generation means for irradiating the imaging position of the subject with X-rays,
A hand switch for outputting a timing signal of X-ray irradiation by the X-ray generation means,
A switch holder for holding the hand switch,
A hand switch attachment / detachment detection unit for detecting an attachment / detachment state of the hand switch with respect to the switch holder,
The X-ray generation means receives the hand switch based on a detection signal output by the hand switch attachment / detachment detection means and an X-ray irradiation timing signal output from the hand switch when the hand switch is taken out of the switch holder. An X-ray image diagnostic apparatus, which irradiates a sample with X-rays. The X-ray diagnostic imaging apparatus according to claim 4, wherein the hand switch attachment / detachment detection unit includes a contact sensor provided on one of the hand switch and the switch holder. 7. The X-ray diagnostic imaging apparatus according to claim 6, wherein the contact sensor comprises a micro switch. Setting a standard value of the X-ray irradiation condition for the subject; and displaying a screen showing the standard setting value of the X-ray irradiation condition together with another user interface screen, and if necessary, standardizing the X-ray irradiation condition. Updating the setting value;
Taking out a hand switch for generating an X-ray irradiation instruction signal from a switch holder holding the hand switch;
A step of displaying a screen showing a set value of the X-ray irradiation condition over another interface screen based on a detection signal from the switch holder or a hand switch attaching / detaching sensor provided on the hand switch; Supplying an X-ray irradiation instruction signal to an X-ray generation unit by a switch to perform X-ray imaging.

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