JP2013153812A - X-ray photographing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an X-ray photographing device in which required information can be automatically displayed at a display part when required.SOLUTION: When a patient A is recognized, the information of the patient A including the name of the patient A and the date of birth of the patient A is displayed at a display part 7. When an operator B is recognized, an X-ray image and the name of the patient A are displayed at the display part 7. When fixed time elapses after the display of the X-ray image, the next photographing condition is displayed at the display part 7. In the meantime, when the patient A is recognized while the X-ray image is displayed at the display part 7, the display of the X-ray image displayed at the display part 7 is stopped.

Description

  The present invention provides an X-ray tube, an X-ray detector that images X-rays irradiated from the X-ray tube and passed through the subject, information on the subject, X-ray imaging conditions, X-ray imaging images, and the like. The present invention relates to an X-ray imaging apparatus including a display unit for displaying.

  In such an X-ray imaging apparatus, subject information, X-ray imaging conditions, and X-ray imaging images are displayed on a display unit such as an LCD (Liquid Crystal Display) mounted on an imaging table or wall. Such information necessary for X-ray imaging is displayed. Patent Document 1 discloses a subject confirmation device in which a display device that displays at least a subject name among information about a subject and information about imaging conditions or treatment conditions of a medical image is provided in the vicinity of the medical device. It is disclosed.

JP 2003-52641 A

  Information necessary for X-ray imaging, such as subject information and X-ray imaging conditions, and X-ray imaging images are preferably displayed on a display unit such as an LCD when necessary. Conventionally, an operator (operator) selects display contents to be displayed on the display unit by operating an operation button displayed on a touch panel LCD screen. For this reason, since it is necessary for the operator to directly operate the LCD, it is necessary to install the LCD in a place suitable for the operation by the operator. Further, since it is necessary to display operation buttons and the like on the LCD screen, it is necessary to make the LCD screen size large so as to be suitable for such display. Furthermore, when an X-ray image is displayed on the LCD, the subject may visually recognize it. In this case, since the subject may make an erroneous diagnosis based on the X-ray image and misunderstand, the X-ray image may not be visible to the subject. preferable.

  The present invention has been made to solve the above-described problem, and an object thereof is to provide an X-ray imaging apparatus capable of automatically displaying necessary information on a display unit when necessary.

  The invention described in claim 1 is an X-ray imaging apparatus including an X-ray tube and an X-ray detector that images X-rays irradiated from the X-ray tube and passed through the subject. A display for displaying information, X-ray imaging conditions and X-ray images, a camera for imaging the subject and the operator, a storage for storing image information of the subject and the operator, and imaging by the camera A recognition unit for recognizing a subject or an operator based on the captured image and the image information stored in the storage unit, and information to be displayed on the display unit based on a result recognized by the recognition unit And a display information selection unit.

  According to a second aspect of the present invention, in the first aspect of the present invention, the storage unit is configured to store the image information of the face of the subject or the operator, the image information of the clothes of the subject or the operator, or the subject. The image information of the mark worn by the examiner or operator is stored.

  According to a third aspect of the present invention, in the second aspect of the present invention, when the recognition unit recognizes the subject, information on the subject is displayed on the display unit.

  According to a fourth aspect of the present invention, in the second aspect of the present invention, when the recognition unit recognizes an operator, an X-ray imaging condition or an X-ray imaging image is displayed on the display unit.

  According to a fifth aspect of the present invention, in the fourth aspect of the present invention, when the X-ray radiograph image is displayed on the display unit and the recognition unit recognizes the subject, the X-ray radiography is performed. Stop displaying images.

  According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, when the recognition unit does not recognize the subject and the operator for a predetermined time, the display The X-ray imaging conditions for the next imaging are displayed on the screen.

  According to a seventh aspect of the present invention, in the invention according to any one of the first to fifth aspects, when the recognizing unit recognizes a transition mark attached to an operator, the display unit is next photographed. The X-ray imaging conditions for performing are displayed.

  According to the first and second aspects of the present invention, the subject or the operator is recognized based on the image captured by the camera and the image information stored in the storage unit, and the display unit is based on the result. Since the information to be displayed is selected, it is possible to automatically display necessary information on the display unit when necessary without the operator performing a special operation.

  According to the invention described in claim 3, the subject himself / herself can confirm his / her information by automatically displaying the subject's information on the display unit.

  According to the invention described in claim 4, by automatically displaying the X-ray imaging condition or the X-ray imaging image on the display unit, the operator can check the X-ray imaging condition or the X-ray imaging image. It becomes.

  According to the fifth aspect of the present invention, since the display of the X-ray image is stopped when the recognition unit recognizes the subject, the subject can be prevented from viewing the X-ray image. Is possible.

  According to the sixth aspect of the present invention, by recognizing the transition mark attached to the operator, the X-ray imaging condition for performing the next imaging on the display unit without the operator performing a special operation is set. It is possible to display automatically.

It is explanatory drawing which shows a mode that X-ray imaging is performed using the X-ray imaging apparatus which concerns on this invention. It is explanatory drawing which shows a mode that X-ray imaging is performed using the X-ray imaging apparatus which concerns on this invention. It is explanatory drawing which shows a mode that X-ray imaging is performed using the X-ray imaging apparatus which concerns on this invention. It is a block diagram which shows the main control systems of the X-ray imaging apparatus which concerns on this invention. 3 is a flowchart showing an imaging operation by the X-ray imaging apparatus according to the present invention. 3 is a flowchart showing an imaging operation by the X-ray imaging apparatus according to the present invention. It is explanatory drawing which shows the information displayed on the display part 7 at the time of X-ray imaging.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 3 are explanatory views showing a state in which X-ray imaging is performed using the X-ray imaging apparatus according to the present invention. 1 shows a state where the patient A as the subject has entered the imaging room, FIG. 2 shows a state where the patient A and the operator B have entered the imaging room, and FIG. The state where the operator B wears the transition mark 9 is shown.

  As shown in these drawings, the X-ray imaging apparatus includes a standing stand 1 for imaging a patient A in a standing posture, and a supine table 2 for imaging the patient A in a lying state. , An X-ray tube 3, a suspension holding unit 4 that suspends and holds the X-ray tube 3 in a state where it can be raised and lowered from the ceiling surface, and a horizontal moving unit 5 that horizontally moves the X-ray tube 3 along the ceiling surface. . The X-ray tube 3 is configured to be movable to a position indicated by a solid line and a position indicated by a two-dot chain line in these drawings by means of a suspension holding part 4 and a horizontal movement part 5. Here, the positions indicated by solid lines in these drawings are positions where X-ray imaging is performed by the standing stand 1. In these drawings, a position indicated by a two-dot chain line is a position where X-ray imaging is performed by the prone position table 2.

  The standing stand 1 includes an X-ray detector storage unit 11 that stores a flat panel detector 6 as an X-ray detector. The X-ray detector housing 11 can be moved up and down with respect to the casing 12 by being guided by a guide member (not shown). In addition, the standing table 2 stores a base 21, a table 22 on which the patient A is placed, and an X-ray (not shown) that houses a flat panel detector 6 similar to the standing stand 1 disposed in the base 21. A detector housing.

  A display comprising a touch panel type liquid crystal display device for displaying information on the patient A, X-ray imaging conditions, X-ray imaging images, and the like on the side wall of the imaging room where the standing stand 1 and the standing table 2 are installed. Part 7 is arranged. The display unit 7 is provided with a camera 8 for photographing the patient A and an operator B such as an X-ray engineer.

  FIG. 4 is a block diagram showing a main control system of the X-ray imaging apparatus according to the present invention.

  The X-ray imaging apparatus includes a control unit 30 that controls the entire apparatus. The control unit 30 is connected to the X-ray tube 3 and the flat panel detector 6. The control unit 30 is connected to the display unit 7 and the camera 8. Further, the control unit 30 is also connected to a storage unit 31 for storing image information of the patient A and the operator B.

  The control unit 30 includes an image processing unit 32, a recognition unit 33, and a display information selection unit 34. The image processing unit 32 creates an X-ray image based on the video signal obtained from the flat panel detector 6 and displays it on the display unit 7. As will be described later, the recognition unit 33 recognizes the patient A and the operator B based on the image captured by the camera 8 and the image information stored in the storage unit 31, and the recognition unit 33 recognizes the recognition unit 33. And a display information selection unit 34 for selecting information to be displayed on the display unit 7 based on the result.

  Next, an imaging operation by the X-ray imaging apparatus according to the present invention will be described. 5 and 6 are flowcharts showing an imaging operation by the X-ray imaging apparatus according to the present invention. FIG. 7 is an explanatory diagram showing information displayed on the display unit 7 at that time. In this embodiment, the case where X-ray imaging is performed using the standing stand 1 is shown.

  Before performing X-ray imaging, image information of the patient A or the operator B is captured in advance and stored in the storage unit 31. This image information is for specifying the patient A and the operator B. As this image information, the image information of the faces of the patient A and the operator B can be used. Also, the image information of the clothes of the patient A and the operator B can be used instead of the image information of the face or together with the image information of the face. Furthermore, image information of a transition mark 9 described later is also stored in the storage unit 31 together.

  Before performing X-ray imaging, image information of the patient A or the operator B is captured in advance and stored in the storage unit 31. This image information is for specifying the patient A and the operator B. As this image information, the image information of the faces of the patient A and the operator B can be used. Further, the image information of the patient A and the operator B can be used instead of the face image information or together with the face image information. Further, image information of a transition mark 9 to be described later is also captured and stored in the storage unit 31.

  When the storage of the image information is completed, preparation for shooting is performed. The flowchart shown in FIG. 5 shows an imaging preparation operation before X-ray imaging is executed.

  First, recognition of the patient A and the operator B is started by photographing an image in the photographing room with the camera 8 (step S11). When the patient A or the operator B is photographed by the camera 8, the photographed image is compared with the image information of the patient A or the operator B stored in the storage unit 31. And it waits for patient A to be recognized based on the comparison result (step S12). If the recognition unit 33 recognizes the patient A (step S12), the display information selection unit 34 includes the name of the patient A and the date of birth of the patient A on the display unit 7, as shown in FIG. Information about patient A is displayed (step S13). Thereby, patient A can perform identity verification by recognizing his / her information.

  Next, it waits for the operator B to be recognized (step S14). If the operator B is recognized by the recognition part 33 (step S14), as shown in FIG.7 (b), the display information selection part 34 will supply the tube voltage and tube current which are supplied to the X-ray tube 3 to the display part 7. FIG. Then, the X-ray imaging conditions including the imaging region are displayed (step S15). With the above operation, the imaging preparation operation before the X-ray imaging is executed is completed.

  If the above preparation process is completed, X-ray imaging will be performed next. The flowchart shown in FIG. 6 shows a series of operations including X-ray imaging.

  In this case, recognition of the patient A and the operator B is started again (step S21), and it waits for the patient A to be recognized again (step S22). If patient A is recognized by recognition part 33 (Step S22), as shown in Drawing 7 (a), display information selection part 34 will consist of patient A's name and patient A's date of birth on display part 7. Information about patient A is displayed (step S23). This makes it possible to execute identity verification again. Next, it waits for the operator B to be recognized (step S24). If the operator B is recognized by the recognition unit 33 (step S24), the display information selection unit 34 displays the X-ray image 10 and the name of the patient A on the display unit 7 as shown in FIG. Displayed (step S25). The operator B can determine whether X-ray imaging is appropriate or not by checking the X-ray imaging image 10.

  If a certain time has elapsed after the X-ray image 10 is displayed (step S26), as shown in FIG. 7D, the display information selection unit 34 displays the next imaging condition on the display unit 7 (step S26). S30). In this embodiment, the previous imaging conditions for which imaging has been completed are displayed together with the X-ray imaging conditions including the tube voltage and tube current supplied to the X-ray tube 3 and the imaging region.

  Further, even after a predetermined time has elapsed after the X-ray image 10 is displayed, as shown in FIG. 3, the operator wears the transition mark 9 and the recognition unit 33 recognizes the transition mark 9. Sometimes (step S27), the display information selection unit 34 displays the next shooting condition on the display unit 7 (step S30). Here, the transition mark 9 is a mark for proceeding to the next step during X-ray imaging. The transition mark 9 may be worn when the operator B needs it, and the transition mark 9 is made ready to be photographed by the camera 8 by turning over the previously worn one. Also good.

  On the other hand, when the recognition unit 33 recognizes the patient A from the image captured by the camera 8 in a state where the X-ray image 10 is displayed on the display unit 7 (step S28), the display information selection unit 34 displays The display of the X-ray image 10 displayed on the unit 7 is stopped (step S29). Thereby, it becomes possible to prevent the patient A from visually recognizing his / her X-ray image.

  As described above, according to the X-ray imaging apparatus according to the present invention, the operator B can automatically display necessary information when necessary without executing a special operation. It becomes. For this reason, not only the switching operation of the display becomes unnecessary, but there is no need to provide a switching button on the operation surface of the display unit 7 composed of a touch panel type liquid crystal display device. It is possible to use a touch panel type liquid crystal display device. Further, since the operator B does not need to operate the operation buttons displayed on the display unit 7, the display unit 7 can be installed at a high position where the operator B can easily see.

  Next, another embodiment of the present invention will be described. In the above-described embodiment, the image information for identifying the patient A and the operator B is used as the image information of the face of the patient A and the operator B or the image information of the clothes of the patient A and the operator B. Yes. On the other hand, in this embodiment, a mark is attached to the patient A and the operator B in advance.

  That is, in this embodiment, a patient-specific mark is attached to the patient A, and an operator-specific mark is attached to the operator B. These marks attached to the patient A and the operator B, like the transition mark 9, image the image information of these marks before X-ray imaging and store them in the storage unit 31. When storing a mark for a patient, data such as the name and date of birth of the patient wearing the mark are also stored.

  As described above, even when the mark is attached to the patient A and the operator B, the image information of the patient A and the operator B and the image information of the clothes are recognized by recognizing the image information of the mark. Similarly to the above, it is possible to automatically recognize the patient A or the operator B and automatically display necessary information on the display unit 7 when necessary.

DESCRIPTION OF SYMBOLS 1 Standing stand 2 Standing position table 3 X-ray tube 4 Suspension holding part 5 Horizontal movement part 6 Flat panel detector 7 Display part 8 Camera 9 Transition mark 10 X-ray imaging image 30 Control part 31 Storage part 32 Image processing part 33 Recognition part 34 Display information selection part A Patient B Operator

Claims (7)

In an X-ray imaging apparatus comprising: an X-ray tube; and an X-ray detector that images X-rays irradiated from the X-ray tube and passing through the subject.
A display unit for displaying information on the subject, X-ray imaging conditions, and an X-ray image;
A camera for photographing the subject and the operator;
A storage unit for storing image information of the subject and the operator;
A recognition unit for recognizing a subject or an operator based on an image captured by the camera and image information stored in the storage unit;
A display information selection unit that selects information to be displayed on the display unit based on a result recognized by the recognition unit;
An X-ray imaging apparatus comprising: The X-ray imaging apparatus according to claim 1,
The storage unit stores X-ray imaging that stores image information of the face of the subject or the operator, image information of the clothes of the subject or the operator, or image information of a mark worn by the subject or the operator. apparatus. The X-ray imaging apparatus according to claim 2,
An X-ray imaging apparatus that displays information about the subject on the display when the recognition unit recognizes the subject. The X-ray imaging apparatus according to claim 2,
An X-ray imaging apparatus that displays an X-ray imaging condition or an X-ray imaging image on the display unit when the recognition unit recognizes an operator. The X-ray imaging apparatus according to claim 4,
An X-ray imaging apparatus that stops displaying the X-ray imaging image when the recognition unit recognizes the subject while the X-ray imaging image is displayed on the display unit. The X-ray imaging apparatus according to any one of claims 1 to 5,
An X-ray imaging apparatus that displays an X-ray imaging condition to be imaged next on the display unit when the recognition unit does not recognize a subject and an operator for a predetermined time. The X-ray imaging apparatus according to any one of claims 1 to 5,
An X-ray imaging apparatus that displays an X-ray imaging condition for next imaging on the display unit when the recognition unit recognizes a transition mark attached to an operator.

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