JP6516984B2 - X-ray diagnostic device - Google Patents

Description

  Embodiments of the present invention relate to an X-ray diagnostic apparatus.

  Conventionally, in an interventional X-ray diagnostic apparatus, X-ray radiation is controlled by a foot switch. For example, in a single plane X-ray diagnostic apparatus, two foot switches for fluoroscopy and imaging are provided, and in a biplane X-ray diagnostic apparatus, fluoroscopic imaging by a first imaging system and fluoroscopic imaging by a second imaging system Four foot switches are provided for fluoroscopy by the first imaging system and the second imaging system, and for imaging.

  Then, the operator changes the stepping position of the foot switch in accordance with the target imaging mode. In such a case, the operator checks the position of the foot switch each time the X-ray is emitted, and then depresses the foot switch for the target imaging mode.

JP 2001-149360 A

  The problem to be solved by the present invention is to provide an X-ray diagnostic apparatus capable of reducing the burden on the operator.

The X-ray diagnostic apparatus according to the embodiment includes a reception unit, a setting unit, a display control unit, and an exposure control unit. The receiving unit receives a selection of an imaging program including a plurality of imaging modes. The setting unit is configured to select one of the plurality of imaging modes and the predetermined switch based on the plurality of imaging modes included in the imaging program and the condition under which imaging in each imaging mode is performed . Set the correspondence. The display control unit causes the display unit to display an imaging mode in which association with the predetermined switch is set by the setting unit. The exposure control unit controls the X-ray tube to emit X-rays under the condition according to the set imaging mode when the predetermined switch is pressed. When the rotation imaging program is selected as the imaging program, the setting unit acquires the rotation angles of the X-ray tube and the rotation unit supporting the X-ray detector, and the plurality of imagings are performed based on the acquired rotation angles. The correspondence between any one of the imaging modes in the mode and the predetermined switch is set.

FIG. 1 is a view showing an example of the arrangement of an X-ray diagnostic apparatus according to the first embodiment. FIG. 2 is a view showing an example of a procedure by the X-ray diagnostic apparatus according to the first embodiment. FIG. 3 is a block diagram showing a configuration example of a system control unit according to the first embodiment. FIG. 4 is a diagram showing an example of information stored in the imaging mode determination table according to the first embodiment. FIG. 5 is a diagram showing an example of information stored in the imaging mode determination table according to the first embodiment. FIG. 6 is a diagram for explaining the processing operation of the display control unit according to the first embodiment. FIG. 7 is a flowchart showing the processing procedure of the X-ray diagnostic apparatus according to the first embodiment. FIG. 8 is a diagram illustrating an example of information stored in an imaging mode determination table according to a modification of the first embodiment. FIG. 9 is a block diagram showing an exemplary configuration of a system control unit according to the second embodiment. FIG. 10 is a diagram showing an example of information stored in the imaging mode setting table according to the second embodiment. FIG. 11 is a flowchart showing the processing procedure of the X-ray diagnostic apparatus according to the second embodiment. FIG. 12 is a block diagram showing a configuration example of a system control unit according to the third embodiment. FIG. 13 is a flowchart showing the processing procedure of the X-ray diagnostic apparatus according to the third embodiment.

  Hereinafter, an X-ray diagnostic apparatus according to an embodiment will be described with reference to the drawings.

First Embodiment
FIG. 1 is a view showing an example of the arrangement of an X-ray diagnostic apparatus 100 according to the first embodiment. As shown in FIG. 1, the X-ray diagnostic apparatus 100 according to the first embodiment includes a high voltage generator 11, an X-ray tube 12, an X-ray diaphragm 13, a top plate 14, an X-ray detector 15, and a C-arm. 16, C-arm rotation and movement mechanism 17, top moving mechanism 18, C-arm and top mechanism control unit 19, aperture control unit 20, image data generation unit 21, image data storage unit 22, image processing unit 23, input unit 24, a display unit 25, and a system control unit 26.

  The high voltage generator 11 is a device that generates a high voltage and supplies the generated high voltage to the X-ray tube 12. The X-ray tube 12 is an X-ray source that generates X-rays using the high voltage supplied from the high voltage generator 11. Here, the high voltage generator 11 adjusts the X-ray dose irradiated to the subject E by adjusting the voltage supplied to the X-ray tube 12, and turns on / off the X-ray irradiation to the subject E. Perform control of OFF.

  The X-ray stop device 13 is a device that narrows down X-rays generated by the X-ray tube 12 so that the region of interest of the subject E is selectively irradiated. For example, the X-ray diaphragm device 13 has four slidable diaphragm blades, and by sliding these diaphragm blades, X-rays generated by the X-ray tube 12 are narrowed down and irradiated to the subject E.

  The top 14 is a bed on which the subject E is placed, and is disposed on a bed (not shown).

  The X-ray detector 15 is a device in which a plurality of X-ray detection elements for detecting X-rays transmitted through the subject E are arranged in a matrix. The X-ray detection elements included in the X-ray detector 15 convert the X-rays transmitted through the object E into electrical signals and store the signals, and transmit the stored electrical signals to an image data generation unit 21 described later.

  The C-arm 16 is a C-shaped arm that holds the X-ray tube 12, the X-ray iris 13 and the X-ray detector 15. The C-arm 16 holds the X-ray tube 12 and the X-ray stop device 13 opposite to the X-ray detector 15 so as to sandwich the subject E. A mechanism including the C arm 16, the X-ray tube 12, the X-ray diaphragm apparatus 13, and the X-ray detector 15 is referred to as an imaging unit. In the following, the X-ray diagnostic apparatus 100 will be described as a single plane X-ray diagnostic apparatus having one C-arm 16.

  The C-arm rotation and movement mechanism 17 is a device for rotating and moving the C-arm 16. The C-arm rotation and movement mechanism 17 rotates the C-arm 16 about a rotation axis passing between the X-ray tube 12 and the X-ray detector 15.

  The top moving mechanism 18 is a device for moving the top 14. The C-arm and top mechanism control unit 19 controls the C-arm rotation and movement mechanism 17 and the top movement mechanism 18 to adjust the rotation and movement of the C-arm 16 and the movement adjustment of the top 14. It is a processing unit.

  The diaphragm control unit 20 is a processing unit that controls the irradiation range of the X-ray by adjusting the opening degree of the diaphragm blade of the X-ray diaphragm device 13.

  The image data generation unit 21 generates an X-ray image using the electrical signal converted from the X-rays transmitted through the subject E by the X-ray detector 15 and stores the generated X-ray image in the image data storage unit 22 Processing unit. Specifically, the image data generation unit 21 performs current-voltage conversion, A / D conversion, and parallel-serial conversion on the electric signal received from the X-ray detector 15 to generate an X-ray image.

  The image data storage unit 22 is a storage device that stores the X-ray image generated by the image data generation unit 21. For example, the image data storage unit 22 is a semiconductor memory device such as a random access memory (RAM) or a flash memory, a hard disk, an optical disk, or the like.

  The image processing unit 23 is a processing unit that executes various types of image processing on the X-ray image stored in the image data storage unit 22. For example, the image processing unit 23 executes recursive filter processing (temporal filter processing) or isotropic diffusion filter (spatial filter processing) for noise reduction on the X-ray image. For example, the image processing unit 23 is an integrated circuit such as an application specific integrated circuit (ASIC) or a field programmable gate array (FPGA), or an electronic circuit such as a central processing unit (CPU) or a micro processing unit (MPU).

  The input unit 24 is an input device that receives various commands from an operator such as a doctor or a technician who operates the X-ray diagnostic apparatus 100, and transfers the received commands to the system control unit 26. For example, the input unit 24 includes a mouse, a keyboard, a button, a trackball, a joystick, and the like for receiving various commands from the operator.

  The display unit 25 includes a graphical user interface (GUI) for receiving a command from the operator via the input unit 24, an X-ray image stored in the image data storage unit 22, and an X processed by the image processing unit 23. It is a display device that displays a line image and the like. For example, the display unit 25 is a liquid crystal display, a CRT (Cathode-Ray Tube) display, or the like. The display unit 25 includes a real time monitor used to display an X-ray image being imaged and a comparison monitor used to display an X-ray image captured in the past.

  The system control unit 26 is a processing unit that controls the overall operation of the X-ray diagnostic apparatus 100. For example, the system control unit 26 is an electronic circuit such as a central processing unit (CPU) or a micro processing unit (MPU). Then, the system control unit 26 controls the high voltage generator 11, the C arm / top mechanism control unit 19, and the diaphragm control unit 20 based on, for example, a command from the operator transferred from the input unit 24. Thus, adjustment of X-ray dose, ON / OFF control of X-ray irradiation, adjustment of rotation and movement of the C-arm 16, adjustment of movement of the top 14 and the like are performed.

  The system control unit 26 also controls image generation processing in the image data generation unit 21 and image processing in the image processing unit 23 described later based on a command from the operator. In addition, the system control unit 26 monitors the display unit 25 as a GUI for receiving a command from the operator, an X-ray image stored in the image data storage unit 22 and an X-ray image processed by the image processing unit 23. Control to display on.

  Heretofore, an example of the configuration of the X-ray diagnostic apparatus 100 according to the first embodiment has been described. Under such a configuration, the X-ray diagnostic apparatus 100 is used when the operator performs a procedure such as intervention. FIG. 2 is a view showing an example of a procedure performed using the X-ray diagnostic apparatus 100 according to the first embodiment. When a procedure such as intervention is performed by the operator, the X-ray diagnostic apparatus 100 performs imaging in an imaging mode desired by the operator from among a plurality of imaging modes. For example, as shown in FIG. 2, the X-ray diagnostic apparatus 100 adjusts the position of the C-arm 16 by the operator and then depresses the X-ray foot switch by the operator. E is irradiated with X-rays to perform imaging.

  Here, in the conventional X-ray diagnostic apparatus, a foot switch corresponding to the imaging mode is provided. More specifically, in the single plane X-ray diagnostic apparatus, two foot switches for fluoroscopic imaging are provided, and in the biplane type X-ray diagnostic apparatus, four feet for F fluoroscopic, L fluoroscopic, BP fluoroscopic, and imaging A switch is provided. Then, the operator depresses the foot switch according to the imaging mode. In other words, the operator checks the position of the foot switch every time the X-ray is emitted, and then presses the foot switch according to the imaging mode.

  However, the operation of confirming the position of the foot switch each time the foot switch is depressed kills the concentration of the operator. In addition, the operation of confirming the position of the foot switch is a slight but time-consuming operation. For this reason, it becomes a waste of a long time by repeating the operation | work which confirms the position of a foot switch many times in the operation. Furthermore, the operator moves weight when changing the foot switch. Further, in the bi-plane type X-ray diagnostic apparatus, since the foot switch is large, the operation on which the operator steps on the foot switch is a burden. In addition, a step error may occur during surgery. In such a case, the operator will quickly step on the target switch. The operation of re-pressing such a foot switch is a great psychological and physical burden on the operator and also a waste of time. From such a thing, in the conventional X-ray diagnostic apparatus, to reduce the burden on the operator at the time of X-ray irradiation by the foot switch is desired.

  Therefore, under the control of the system control unit 26, the X-ray diagnostic apparatus 100 according to the first embodiment sets the correspondence between the designated imaging mode and a predetermined switch. The X-ray diagnostic apparatus 100 according to the first embodiment causes the display unit 25 to display information indicating an imaging mode in which association with a predetermined switch is set. Then, the X-ray diagnostic apparatus 100 according to the first embodiment controls the X-ray tube 12 so as to emit X-rays under the condition according to the designated imaging mode when a predetermined switch is pressed. Do. As described above, the X-ray diagnostic apparatus 100 according to the first embodiment sets the association between the imaging mode and the foot switch designated before the start of imaging, whereby a single foot switch can be used for a plurality of imaging modes. Perform imaging in a desired imaging mode from the inside. That is, every time the operator of the X-ray diagnostic apparatus 100 depresses the foot switch, the operator can check the position of the foot switch and omit the operation of stepping on the foot switch. Next, details of the system control unit 26 according to the first embodiment will be described with reference to FIG.

  FIG. 3 is a block diagram showing a configuration example of the system control unit 26 according to the first embodiment. As shown in FIG. 3, the system control unit 26 of the X-ray diagnostic apparatus 100 according to the first embodiment includes a reception unit 26 a, a setting unit 26 b, an exposure control unit 26 c, a display control unit 26 d, and imaging. It has a mode determination table 26e and an imaging mode setting table 26f.

  The imaging mode determination table 26e stores text corresponding to each type of imaging mode. FIG. 4 is a diagram showing an example of information stored in the imaging mode determination table 26e according to the first embodiment. As shown in FIG. 4, the imaging mode determination table 26 e stores information in which an imaging mode and corresponding text are associated.

  Here, the “imaging mode” stored in the imaging mode determination table 26 e indicates the type of imaging mode. In other words, “imaging mode” indicates an option of the imaging mode. For example, in the “imaging mode”, “imaging” indicating imaging at a high dose for image recording, “fluoroscopic record” for imaging at a low dose for image recording, and imaging at a low dose not for image recording “Perspective”, etc., are stored.

  Further, “corresponding text” stored in the imaging mode determination table 26e indicates text corresponding to the type of imaging mode. For example, "ACQ1", "ACQ2", "ACQ3" and the like are stored in the "corresponding text". Here, the word stored as the "corresponding text" is preferably a word not used in the examination room.

  As an example, in the imaging mode determination table 26e shown in FIG. 4, the text corresponding to the imaging mode is "photograph" is "ACQ1", and the text corresponding to the imaging mode "perspective record" is "ACQ2". , Indicates that the text corresponding to the imaging mode "perspective" is "ACQ3".

  Return to FIG. The imaging mode setting table 26 f stores information indicating an imaging mode associated with the foot switch. FIG. 5 is a diagram showing an example of information stored in the imaging mode setting table 26f according to the first embodiment. As illustrated in FIG. 5, the imaging mode setting table 26 f stores information in which an imaging mode and a setting flag are associated with each other.

  Here, the “imaging mode” stored in the imaging mode setting table 26 f is the same as the “imaging mode” stored in the imaging mode determination table 26 e. The “setting flag” stored in the imaging mode setting table 26 f indicates the type of imaging mode associated with the foot switch. For example, the “setting flag” stores “1” indicating that it is associated with the foot switch, “0” indicating that it is not associated with the foot switch, and the like.

  As an example, the imaging mode setting table 26 f illustrated in FIG. 5 indicates that the foot switch is associated with “imaging” of the imaging mode. In other words, the imaging mode setting table 26f illustrated in FIG. 5 indicates that imaging in fluoroscopic mode is performed when the foot switch is pressed.

  Return to FIG. The receiving unit 26a receives the designation of the imaging mode. Here, the receiving unit 26a receives a predetermined instruction associated with the imaging mode, and specifies an imaging mode corresponding to the received predetermined instruction, thereby accepting specification of the imaging mode. For example, the receiving unit 26a receives a predetermined instruction by voice.

  More specifically, the reception unit 26a has a directional microphone and a voice recognition function, recognizes the content pronounced toward the directional microphone with the voice recognition function, and converts the content into text. Then, the receiving unit 26a refers to the imaging mode determination table 26e to determine whether the content of the converted text matches the option of the imaging mode.

  When it is determined that the content of the converted text matches the option of the imaging mode, the receiving unit 26a instructs the setting unit 26b to change the imaging mode. If the receiving unit 26a determines that the content of the converted text does not match the option of the imaging mode, it continues to recognize the content pronounced toward the directional microphone with the voice recognition function and convert it into text. It is determined whether the content matches the imaging mode option. Preferably, the receiving unit 26a is placed in the space where the X-ray diagnostic apparatus 100 is installed, and receives terms that are not used during surgery as predetermined instructions. More specifically, the operator instructs the imaging mode using a term such as "ACQ1" or "ACQ2" stored in the "corresponding text" of the imaging mode determination table 26e. As described above, the X-ray diagnostic apparatus 100 can prevent the setting of the imaging mode not intended by the operator by excluding the term frequently used during the operation as the predetermined instruction associated with the imaging mode. it can.

  The setting unit 26 b sets the correspondence between the designated imaging mode and a predetermined switch. For example, the setting unit 26 b sets the imaging mode as the association between the imaging mode received by the receiving unit 26 a and a predetermined switch. In other words, the setting unit 26 b sets the association between the imaging mode instructed by the receiving unit 26 a and the foot switch. More specifically, the setting unit 26 b sets the setting flag corresponding to the instructed imaging mode to “1” in the imaging mode setting table 26 f and sets the setting flag corresponding to the other imaging modes to “0”. Set

  As an example, in the imaging mode setting table 26f shown in FIG. 5, the case where an instruction to change the imaging mode from "perspective" to "imaging" is received will be described. In such a case, the setting unit 26 b sets the “setting flag” associated with “shooting” to “1”, and sets the “setting flag” associated with “perspective” to “0”.

  In addition, the setting unit 26b instructs the display control unit 26d to display the content of the imaging mode associated with the foot switch on a real time monitor.

  The exposure control unit 26 c controls the X-ray tube 12 to emit X-rays under the condition according to the designated imaging mode when a predetermined switch is pressed.

  For example, the exposure control unit 26c exposes X-rays under the condition according to the designated imaging mode when a predetermined switch is pressed within a predetermined period after the association is set by the setting unit 26b. The X-ray tube 12 is controlled to emit light. In addition, for example, after the association is set by the setting unit 26b, the exposure control unit 26c sets X-rays under the condition according to the predetermined imaging mode when the predetermined switch is pressed after the predetermined period has elapsed. Control the X-ray tube 12 to emit radiation. The predetermined imaging mode is an imaging mode set as a default, and is, for example, a perspective mode.

  Also, for example, when the setting unit 26a does not set the association and the predetermined switch is pressed, the irradiation control unit 26c emits X-rays under the condition according to the predetermined imaging mode. Control the X-ray tube 12. In other words, when the imaging mode is not set and the predetermined switch is pressed, the exposure control unit 26c emits an X-ray corresponding to the predetermined imaging mode. The predetermined imaging mode is an imaging mode set as a default, and is, for example, a perspective mode.

  The display control unit 26 d causes the display unit 25 to display information indicating an imaging mode in which association with a predetermined switch is set by the setting unit 26 b. For example, the display control unit 26d causes the real-time monitor included in the display unit 25 to display information indicating an imaging mode in which association with a predetermined switch is set.

  FIG. 6 is a diagram for explaining the processing operation of the display control unit 26d according to the first embodiment. In addition, in FIG. 6, the case where "the fluoroscopic record" is selected as imaging mode is demonstrated. For example, as shown in FIG. 6, the display control unit 26d displays, for example, a "fluorescent record" at the upper center of the real-time monitor as information indicating the selected imaging mode. Here, the display control unit 26d is not information obtained by converting the voice (for example, “ACQ1” or “ACQ2” or the like) emitted by the operator into text, but “photograph”, “fluorescent record”, “fluorescent” The type itself of the imaging mode is displayed on the real time monitor. Thereby, the X-ray diagnostic apparatus 100 can prevent the operator from making a mistake regarding the imaging mode.

  In addition, the display control unit 26d displays information indicating the set imaging mode for a predetermined time, and temporarily deletes the information indicating the set imaging mode if the foot switch is not pressed within the predetermined time. Display the captured X-ray image. Although FIG. 6 describes the case where the display control unit 26d displays the information indicating the imaging mode at the upper center of the real time monitor, the position at which the information indicating the set imaging mode is displayed can be arbitrarily changed. is there.

  FIG. 7 is a flowchart showing the processing procedure of the X-ray diagnostic apparatus 100 according to the first embodiment. In the example illustrated in FIG. 7, for example, the fluoroscopic mode is set as a default, and a case where the imaging mode is changed by the operator will be described. The X-ray diagnostic apparatus 100 may end the process when the examination end button is pressed at an arbitrary timing in the process procedure shown in FIG. 7.

  As illustrated in FIG. 7, the receiving unit 26 a determines whether a voice has been recognized (step S <b> 101). Here, when the receiving unit 26a does not determine that the voice is recognized (No in step S101), the exposure control unit 26c determines whether the foot switch is pressed (step S102).

  When the exposure control unit 26c determines that the foot switch has been pressed (Yes in step S102), the exposure control unit 26c starts imaging in the imaging mode set by default (step S103). In such a case, the exposure control unit 26c starts imaging in, for example, the perspective mode set by default. In addition, after completion | finish of step S103, the X-ray diagnostic apparatus 100 transfers to step S101. On the other hand, when the exposure control unit 26c does not determine that the foot switch is pressed (No in step S102), the receiving unit 26a repeatedly executes the determination process of step S101.

  On the other hand, when it is determined that the voice has been recognized (Yes at Step S101), the receiving unit 26a converts the recognized content into a text (Step S104). Subsequently, the receiving unit 26a refers to the imaging mode determination table 26e to determine whether the content of the converted text matches the option of the imaging mode (step S105). Here, when it is not determined that the content of the converted text matches the option of the imaging mode (No at Step S105), the receiving unit 26a proceeds to Step S101.

  On the other hand, when the receiving unit 26a determines that the content of the converted text matches the option of the imaging mode (Yes at step S105), the setting unit 26b changes the imaging mode to match the content of the text (step S106) . That is, the setting unit 26 b sets the association between the imaging mode and the foot switch received by the receiving unit 26 a. Further, the display control unit 26d displays the imaging mode after the change on the real time monitor (step S107). Thus, the operator can grasp the set imaging mode.

  Then, the exposure control unit 26c determines whether a predetermined time has elapsed (step S108). Here, when it is not determined that the predetermined time has elapsed (No at Step S108), the exposure control unit 26c determines whether the foot switch is pressed (Step S111). Then, when the exposure control unit 26c determines that the foot switch has been pressed (Yes in step S111), imaging starts in the imaging mode after the change (step S112). That is, the exposure control unit 26c controls the X-ray tube 12 to emit X-rays under the condition according to the set imaging mode. After the end of step S112, the exposure control unit 26c proceeds to step S108. If the exposure control unit 26c does not determine that the foot switch has been pressed (No in step S111), the process proceeds to step S108.

  On the other hand, when the exposure control unit 26c determines that the predetermined time has elapsed (Yes at step S108), the display control unit 26d deletes the imaging mode after the change from the real-time monitor (step S109). An image is displayed (step S110). After the end of step S110, the X-ray diagnostic apparatus 100 proceeds to step S101.

  As described above, according to the X-ray diagnostic apparatus 100 according to the first embodiment, the association between the set imaging mode and the foot switch is set, and the set imaging is performed when the foot switch is pressed. The X-ray tube 12 is controlled to emit X-rays under conditions according to the mode. As a result, the operator of the X-ray diagnostic apparatus 100 can omit the operation of checking the position of the foot switch and stepping on the foot switch as in the prior art. As a result, the X-ray diagnostic apparatus 100 according to the first embodiment can reduce the burden on the operator and shorten the treatment time and the examination time.

(Modification of the first embodiment)
Below, the modification of 1st Embodiment is demonstrated.

(Bi-plane X-ray diagnostic device)
In the first embodiment described above, the X-ray diagnostic apparatus 100 has been described as a single-plane X-ray diagnostic apparatus having one C-arm 16, but the embodiment is not limited to this. . For example, the X-ray diagnostic apparatus 100 may be a biplane type X-ray diagnostic apparatus having two C arms 16. In the following, each of the C-arms 16 in the biplane X-ray diagnostic apparatus will be described as a first imaging system (F) and a second imaging system (L).

  In such a case, the system control unit 26 includes an imaging mode determination table 26e corresponding to each imaging mode in the bi-plane type X-ray diagnostic apparatus. The reception unit 26a recognizes the received voice by the voice recognition function and converts it into text, and uses the imaging mode determination table 26e to determine whether the content of the converted text matches the imaging mode option.

  FIG. 8 is a diagram showing an example of information stored in the imaging mode determination table 26e according to the modification of the first embodiment. As shown in FIG. 8, the imaging mode determination table 26 e according to the modification of the first embodiment stores information in which the imaging mode is associated with the corresponding text.

  Here, the “imaging mode” stored in the imaging mode determination table 26e according to the modification of the first embodiment indicates the type of imaging mode. In other words, “imaging mode” indicates an option of the imaging mode. For example, in the “imaging mode”, “BP imaging” indicating imaging at a high dose where image recording is performed by the first imaging system (F) and the second imaging system (L), the first imaging system (F And “BP perspective record” showing imaging at low dose where image recording is performed by the second imaging system (L), image recording is performed by the first imaging system (F) and the second imaging system (L) There is stored "BP fluoroscopy" or the like which indicates imaging at a low dose.

  Similarly, for example, in the “imaging mode”, “F imaging” indicating imaging at a high dose where image recording is performed by the first imaging system (F), and image recording by the first imaging system (F) For example, “F perspective record” indicating imaging at low dose, “F perspective” indicating imaging at low dose without image recording in the first imaging system (F), and the like are stored.

  Similarly, for example, in the “imaging mode”, “L imaging” indicating imaging at a high dose for performing image recording in the second imaging system (L), and image recording in the second imaging system (L) “L fluoroscopy record” indicating imaging at low dose to perform “L fluoroscopy” indicating imaging at low dose at which image recording is not performed by the second imaging system (L) is stored.

  Further, “corresponding text” stored in the imaging mode determination table 26e indicates text corresponding to the type of imaging mode. For example, "ACQ1-BP", "ACQ2-BP", "ACQ3-BP" and the like are stored in the "corresponding text". Here, the word stored as the "corresponding text" is preferably a word not used in the examination room.

  As an example, in the imaging mode determination table 26e shown in FIG. 8, the text corresponding to the imaging mode "BP imaging" is "ACQ1-BP" and the text corresponding to the imaging mode "BP perspective record" is " "ACQ2-BP", and indicates that the text corresponding to the imaging mode "BP perspective" is "ACQ3-BP". Further, in the imaging mode determination table 26e shown in FIG. 8, the text corresponding to the imaging mode “F shooting” is “ACQ1-F”, and the text corresponding to the imaging mode “F perspective record” is “ACQ2-F , And indicates that the text corresponding to the imaging mode “F perspective” is “ACQ3-F”. Further, in the imaging mode determination table 26e shown in FIG. 8, the text corresponding to the imaging mode “L imaging” is “ACQ1-L”, and the text corresponding to the imaging mode “L perspective record” is “ACQ2-L , And indicates that the text corresponding to the imaging mode “L perspective” is “ACQ3-L”.

  When the receiving unit 26a determines that the content of the converted text matches the option of the imaging mode with reference to the imaging mode determination table 26e, the setting unit 26b changes the imaging mode to match the content of the text. Do. In addition, the display control unit 26d displays the imaging mode after the change on the real time monitor. Then, when the foot switch is pressed within a predetermined time, the exposure control unit 26c starts imaging in the set imaging mode.

(Pressing the button)
Moreover, although the case where an imaging mode was set using a voice recognition function was demonstrated in embodiment mentioned above, embodiment is not limited to this. For example, the imaging mode may be set by pressing a button. More specifically, the imaging mode determination table 26e stores information in which the number of times of pressing one predetermined button and the imaging mode are stored in the imaging mode determination table 26e, and the receiving unit 26a is based on the number of times the button is depressed. The selected imaging mode is determined. Then, the setting unit 26 b sets the association between the selected imaging mode and the foot switch. Alternatively, a button corresponding to each imaging mode is prepared, and the reception unit 26a determines the imaging mode selected according to the pressed button. Then, the setting unit 26 b sets the association between the selected imaging mode and the foot switch.

(gesture)
Alternatively, the imaging mode may be set using a gesture. For example, a glove worn by the operator may be provided with a sensor, and the sensor may determine the imaging mode based on the movement of the finger of the operator. More specifically, “shooting” when only the little finger is raised, “fluorescent record” when the little finger and ring finger are raised, “fluoroscopy” when the little finger and ring finger, and the middle finger is raised. As described above, the imaging mode may be switched. The X-ray diagnostic apparatus 100 may detect the movement of the operator with a camera, and determine the imaging mode based on the detected movement of the operator.

(Detection of gaze direction)
Alternatively, the imaging mode may be set by detecting the line-of-sight direction of the operator. For example, the camera may be used as a gaze recognition apparatus to detect a gaze point at which the operator gazes, and the imaging mode may be determined based on the detected gaze point. In addition, a goggle worn by the operator may be provided with a sensor, and the sensor may determine the imaging mode based on the movement of the eye of the operator.

(Combination of setting method)
Also, the above-described imaging mode setting methods may be used in combination. For example, the X-ray diagnostic apparatus 100 detects the gaze direction when a predetermined button is pressed, and sets the correspondence between the imaging mode specified by the detected gaze direction and the predetermined switch. Good. Further, in the X-ray diagnostic apparatus 100, when the predetermined button is pressed, the sensor determines the imaging mode based on the movement of the finger of the operator, and sets the association between the imaging mode and the predetermined switch. You may do so.

(Default imaging mode)
In addition, although the setting unit 26b has described that the imaging is started in the default imaging mode when the foot switch is pressed although the association is not set, the embodiment is limited to this. It is not a thing. For example, the X-ray diagnostic apparatus 100 may not set the default imaging mode. In such a case, when the foot switch is pressed, the X-ray diagnostic apparatus 100 may perform imaging in the immediately preceding imaging mode. In addition, even if the foot switch is pressed, it may be set that imaging is not performed.

(Set period)
The exposure control unit 26c exposes the X-rays under the condition according to the designated imaging mode when a predetermined switch is pressed within a predetermined period after the association is set by the setting unit 26b. Although the X-ray tube 12 is described as being controlled to emit light, the embodiment is not limited to this. For example, the setting unit 26 b may set the default imaging mode and the foot switch in association with each other after the foot switch is pressed once after setting the association.

  In addition, functions that are not usually used frequently may be selected. For example, in a bi-plane type X-ray diagnostic apparatus, the ability to see through only part of the field of view is used in a limited way. From such a thing, for example, when imaging with a function not usually used frequently is performed once, the setting unit 26b may associate and set the default imaging mode and the foot switch.

Second Embodiment
In the first embodiment, the case where the setting of the imaging mode is accepted and the imaging mode is switched has been described. By the way, in the imaging of the X-ray diagnostic apparatus, an imaging program including a plurality of imaging modes may be executed. For example, when a rotational imaging program is executed as an imaging program, alignment is performed in front of the subject and imaging is performed in a fluoroscopy mode, and then alignment is performed on a side of the subject and imaging is performed in a fluoroscopy mode , Perform rotational shooting. Therefore, the operator performs imaging in different imaging modes depending on the position to be aligned and the start position of rotational imaging. In such a case, the operator sets the imaging mode at each position.

  Here, the position to be aligned and the start position of rotational imaging are different. For this reason, at the start position of rotational imaging, the imaging mode may be set to imaging, and at a position other than the start position of rotational imaging, the imaging mode may be set to fluoroscopic. Because of this, in the second embodiment, any of the plurality of imaging modes is selected based on the plurality of imaging modes included in the selected imaging program and the conditions under which imaging in each imaging mode is performed. The case of setting the correspondence between the imaging mode and the predetermined switch will be described.

  The configuration example of the X-ray diagnostic apparatus 200 according to the second embodiment is the X-ray diagnostic apparatus according to the first embodiment shown in FIG. 1 except that the configuration of part of the system control unit 226 is different. It is similar to the configuration example of 100. Therefore, the illustration of the X-ray diagnostic apparatus 200 according to the second embodiment is omitted.

  Next, details of the system control unit 226 according to the second embodiment will be described with reference to FIG. FIG. 9 is a block diagram showing a configuration example of the system control unit 226 according to the second embodiment. As shown in FIG. 9, the system control unit 226 of the X-ray diagnostic apparatus 200 according to the second embodiment includes a reception unit 226a, a setting unit 226b, an exposure control unit 26c, a display control unit 26d, and imaging. And a mode setting table 226f. In addition, about each part which has a function similar to the system control part 26 which concerns on 1st Embodiment, the same code | symbol is provided and detailed description is abbreviate | omitted.

  An imaging mode setting table 226f according to the second embodiment includes information indicating a plurality of imaging modes included in an imaging program, conditions under which imaging in each imaging mode is performed, and an imaging mode associated with a foot switch. And the information associated with

  FIG. 10 is a diagram showing an example of information stored in the imaging mode setting table 226f according to the second embodiment. As shown in FIG. 10, the imaging mode setting table 226f according to the second embodiment stores information in which an imaging program, an imaging mode, an imaging condition, and a setting flag are associated with each other.

  Here, the “imaging mode” and the “setting flag” stored in the imaging mode setting table 226f according to the second embodiment are the “imaging mode” and the “imaging mode” stored in the imaging mode setting table 26f according to the first embodiment. It is the same as "setting flag".

  The “imaging program” stored in the imaging mode setting table 226 f according to the second embodiment indicates the type of imaging program. For example, “rotational imaging” and the like are stored in the “imaging program”.

  The “imaging conditions” stored in the imaging mode setting table 226 f according to the second embodiment indicate conditions under which imaging in each imaging mode is performed. For example, "shooting start angle", "other than shooting start angle" and the like are stored in the "shooting condition".

  As an example, the imaging mode setting table 226f illustrated in FIG. 10 indicates that the imaging mode includes “imaging” and “perspective” when the type of the imaging program is “rotational imaging”. Further, the imaging mode setting table 226f illustrated in FIG. 10 indicates that "imaging" is performed when the imaging start angle is set, and "perspective" is performed when the imaging start angle is other than the imaging start angle. Then, the imaging mode setting table 226f shown in FIG. 10 indicates that the foot switch is associated with the imaging mode "perspective" in the current X-ray diagnostic apparatus 200. In other words, the imaging mode setting table 226f illustrated in FIG. 10 indicates that imaging in fluoroscopic mode is performed when the foot switch is pressed.

  Return to FIG. The accepting unit 226a according to the second embodiment further accepts selection of an imaging program including a plurality of imaging modes. For example, the reception unit 226a according to the second embodiment receives a rotational imaging program or the like as an imaging program.

  The setting unit 226b according to the second embodiment selects one of the plurality of imaging modes based on the plurality of imaging modes included in the imaging program and the condition under which imaging in each imaging mode is performed. And a predetermined switch is set. For example, when the rotation imaging program is selected as the imaging program, the setting unit 226b according to the second embodiment acquires and acquires the rotation angle of the C-arm 16 that supports the X-ray tube 12 and the X-ray detector 15. Based on the rotation angle, the correspondence between any one of the imaging modes and the predetermined switch is set.

  Then, the exposure control unit 26c according to the second embodiment controls the X-ray tube 12 so as to emit X-rays under the condition according to the designated imaging mode when the foot switch is pressed. . In addition, the display control unit 26d according to the second embodiment causes the real-time monitor of the display unit 25 to display information indicating an imaging mode in which the setting unit 226b sets the association with the foot switch.

  FIG. 11 is a flowchart showing the processing procedure of the X-ray diagnostic apparatus according to the second embodiment. The X-ray diagnostic apparatus 200 may end the process when the inspection end button is pressed at an arbitrary timing in the process procedure shown in FIG.

  As illustrated in FIG. 11, the receiving unit 226a determines whether a rotational imaging program has been received (step S201). Here, when the receiving unit 226a determines that the rotational imaging program has been received (Yes in step S201), the setting unit 226b acquires the angle of the C-arm 16 (step S202). If the receiving unit 226a does not determine that the rotational imaging program has been received (No at step S201), the receiving unit 226a repeatedly executes the determination process at step S201.

  Subsequently, the setting unit 226b determines whether or not it is the start position of rotational imaging from the acquired angle of the C arm 16 (step S203). Here, when it is determined that the setting position is the start position (Yes in step S203), the setting unit 226b sets the rotational imaging mode (step S204). That is, the setting unit 226b sets the association between the rotation imaging mode and the foot switch. Then, the exposure control unit 26c determines whether the foot switch is pressed (step S205). Here, when it is determined that the foot switch has been pressed (Yes in step S205), the exposure control unit 26c starts rotational imaging (step S206), and ends the processing after the imaging is completed. On the other hand, when the exposure control unit 26c does not determine that the foot switch is pressed (No in step S205), the process proceeds to step S202.

  In step S203, when the setting unit 226b does not determine that the start position is set (No in step S203), the setting unit 226b sets the fluoroscopic mode (step S207). That is, the setting unit 226b sets the association between the fluoroscopic mode and the foot switch. Then, the exposure control unit 26c determines whether the foot switch is pressed (step S208). Here, when it is determined that the foot switch has been pressed (Yes in step S208), the exposure control unit 26c performs fluoroscopic imaging (step S209), and proceeds to step S202 after the end of imaging. When the exposure control unit 26c does not determine that the foot switch is pressed (No in step S208), the process proceeds to step S202.

  As described above, the X-ray diagnostic apparatus 200 according to the second embodiment is plural based on the plurality of imaging modes included in the selected imaging program and the conditions under which the imaging in each imaging mode is performed. And a predetermined switch is associated with one of the imaging modes. This can reduce the burden on the operator.

Third Embodiment
The first embodiment and the second embodiment have been described on the assumption that the operator of the X-ray diagnostic apparatus 100 or the operator of the X-ray diagnostic apparatus 200 changes the imaging mode during an examination, for example. By the way, in the examination using the X-ray diagnostic apparatus, the operator generally performs fluoroscopic imaging at the start of the examination. As such, the X-ray diagnostic apparatus may set the imaging mode to fluoroscopy at the start of the examination. Therefore, in the third embodiment, an example in which the X-ray diagnostic apparatus sets the imaging mode at the time of the first imaging to fluoroscopic when receiving the start of the examination will be described.

  The configuration example of the X-ray diagnostic apparatus 300 according to the third embodiment is the X-ray diagnostic apparatus according to the first embodiment shown in FIG. 1 except that the configuration of part of the system control unit 326 is different. It is similar to the configuration example of 100. Therefore, the illustration of the X-ray diagnostic apparatus 300 according to the third embodiment is omitted.

  Next, details of the system control unit 326 according to the third embodiment will be described using FIG. FIG. 12 is a block diagram showing a configuration example of a system control unit 326 according to the third embodiment. As shown in FIG. 12, the system control unit 326 of the X-ray diagnostic apparatus 300 according to the third embodiment includes a setting unit 326b, an exposure control unit 26c, a display control unit 26d, and an imaging mode setting table 26f. Have. In addition, about each part which has a function similar to the system control part 26 which concerns on 1st Embodiment, the same code | symbol is provided and detailed description is abbreviate | omitted.

  The setting unit 326b according to the third embodiment sets the association between a predetermined imaging mode and a predetermined switch when an instruction to start an examination is received. For example, the setting unit 326 b according to the third embodiment sets the association between the fluoroscopic mode and the foot switch.

  Then, the exposure control unit 26c according to the third embodiment controls the X-ray tube 12 so as to emit X-rays under the condition according to the designated imaging mode when the foot switch is pressed. . In addition, the display control unit 26d according to the third embodiment causes the real-time monitor of the display unit 25 to display information indicating an imaging mode in which association with the foot switch is set by the setting unit 326b.

  FIG. 13 is a flowchart showing the processing procedure of the X-ray diagnostic apparatus 300 according to the third embodiment. As illustrated in FIG. 13, the setting unit 326 b determines whether the start of the examination has been received (step S <b> 301). Here, when it is determined that the start of the examination has been received (Yes in step S301), the setting unit 326b sets the imaging mode to fluoroscopic (step S302). That is, the setting unit 326 b sets the association between the fluoroscopic mode and the foot switch.

  Then, the display control unit 26d displays the imaging mode on the real time monitor (step S303). Thus, the operator can grasp the set imaging mode. Subsequently, the exposure control unit 26c determines whether the foot switch is pressed (step S304). When the exposure control unit 26c determines that the foot switch is pressed (Yes in step S304), the exposure control unit 26c captures an image in the fluoroscopic mode (step S305), and ends the process.

  If the setting unit 326b does not determine that the start of the examination has been received (No at Step S301), the setting unit 326b repeatedly executes the determination process at Step S301. In addition, when it is not determined that the foot switch is pressed (No in step S304), the exposure control unit 26c repeatedly executes the determination process of step S304.

  As described above, when the X-ray diagnostic apparatus 300 according to the third embodiment receives the start of the examination, the imaging mode at the time of the first imaging is set to fluoroscopy. This can reduce the burden on the operator.

  The X-ray diagnostic apparatus 300 according to the third embodiment may execute the processing described in the first and second embodiments after the processing illustrated in FIG. 13 is performed. That is, the X-ray diagnostic apparatus 300 according to the third embodiment changes the imaging mode according to the instruction of the operator after the fluoroscopic mode is set as the default imaging mode by the process shown in FIG. Imaging may be performed in a later imaging mode.

(Other embodiments)

  Although the embodiment described above describes the case where there is one foot switch, the embodiment is not limited to this. For example, in an X-ray diagnostic apparatus provided with a plurality of foot switches as in a conventional X-ray diagnostic apparatus, the function of stepping on the foot switch for each imaging mode and the correspondence between imaging mode and foot switch are set. The function of performing imaging in the imaging mode associated by pressing a predetermined foot switch may be used in accordance with the preference of the operator. When setting the correspondence between the imaging mode and the foot switch, imaging may be performed when any foot switch of the plurality of foot switches is pressed, or the foot switch at a predetermined position is pressed. In the case where it is detected, imaging may be performed.

  Moreover, although the case where X-rays are irradiated by a foot switch was demonstrated, embodiment is not limited to this. For example, the foot switch can be replaced by a predetermined switch such as a switch or a button provided for X-ray irradiation.

  In addition, the X-ray diagnostic apparatus may have a function key independent of the function related to the imaging mode. For example, the function key includes a button for performing frame-by-frame reproduction when reproducing a captured X-ray image. Because of this, the X-ray diagnostic apparatus may substitute the function key with a foot switch instead of pressing the function key. In such a case, for example, while the operator presses the foot switch, the X-ray image is played frame by frame. The function key replaced with the foot switch is not limited to the frame feed function, and may be, for example, one for controlling the playback speed. In such a case, the reproduction speed is set in advance, and when the foot switch is pressed, the X-ray image is reproduced at the set reproduction speed.

  According to at least one embodiment described above, the burden on the operator can be reduced.

  While certain embodiments of the present invention have been described, these embodiments have been presented by way of example only, and are not intended to limit the scope of the invention. These embodiments can be implemented in other various forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the invention described in the claims and the equivalents thereof as well as included in the scope and the gist of the invention.

26 system control unit 26b setting unit 26c exposure control unit 100 X-ray diagnostic apparatus

Claims (5)

A reception unit for receiving selection of an imaging program including a plurality of imaging modes;
Based on the plurality of imaging modes included in the imaging program and the conditions under which imaging in each imaging mode is performed, the association between any one of the imaging modes and the predetermined switch is set. Setting section, and
A display control unit that causes a display unit to display an imaging mode in which association with the predetermined switch is set by the setting unit;
An exposure control unit configured to control the X-ray tube to emit X-rays under the condition according to the set imaging mode when the predetermined switch is pressed;
When the rotation imaging program is selected as the imaging program, the setting unit acquires the rotation angles of the X-ray tube and the rotation unit supporting the X-ray detector, and the plurality of imagings are performed based on the acquired rotation angles. An X-ray diagnostic apparatus characterized by setting correspondence between any one of imaging modes in the mode and the predetermined switch . The exposure control unit exposes X-rays under the condition according to the set imaging mode when the predetermined switch is pressed within a predetermined period after the association is set by the setting unit. The X-ray diagnostic apparatus according to claim 1, wherein the X-ray tube is controlled to emit light.   The irradiation control unit irradiates X-rays under a condition according to a predetermined imaging mode when the predetermined switch is pressed after a predetermined period has elapsed after the association is set by the setting unit. The X-ray diagnostic apparatus according to claim 1 or 2, wherein the X-ray tube is controlled to   When the association is not set by the setting unit and the predetermined switch is pressed, the irradiation control unit irradiates X-rays under a condition according to a predetermined imaging mode. The X-ray diagnostic apparatus according to any one of claims 1 to 3, wherein the tube is controlled. The X-ray diagnostic apparatus according to any one of claims 1 to 4 , further comprising one foot switch as the predetermined switch.

Images