JP2001000428A - Apparatus for close operation of x-ray camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable X-ray examination at a comfortable posture needing less movement of eyes of the operator watching the image on a monitor. SOLUTION: A flat display 10 of the apparatus drives a rise-and-fall motor 18 by a rise-and-fall switch 17 of a bed 6 at a X-ray camera station provided on a side of a camera system 2. It then inputs the signal from the angle-readout mechanism 19, which reads the angle of the inclining bed 6, into a driving motor 14 of the flat display 10 and rotates the driving motor 14 by the same angle. Thus, the X-ray images on the display 10 always stand vertical.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a close-up operation type fluoroscopy apparatus, and more particularly to an image display monitor for operating and observing a fluoroscopy table.

[0002]

2. Description of the Related Art In a close-up operation type fluoroscopy apparatus, an operation section has an X section.
A device that is mounted on a fluoroscopy table and operated by the operator near the patient.It is easy to give instructions to the patient, less anxious to the patient, and position the part to be imaged. There is an advantage that compression is easily performed. However, the operator must wear a protective apron, protective gloves, etc. because of the risk of exposure to the operator. The operator observes the X-ray fluoroscopic image of the patient displayed on the proximity monitor placed near the fluoroscopy table, and operates the operation handle so that the region of interest is located at the center of the image of the proximity monitor. Hold and move the video system. And
Press the shooting switch on the operation panel to take an image. Since X-rays are emitted during this operation, the operator shortens the operation from the point of X-ray exposure while looking at three directions: the direction of the proximity monitor position, the surface of the operation panel, and the patient's condition. Have to operate. Therefore, the position of the proximity monitor, the direction of the monitor surface, and the operability of the device are important points for the operator.

FIG. 8 shows a conventional close-up operation type fluoroscopic imaging apparatus. The fluoroscopy table 1 includes an X-ray tube 7 arranged behind the bed 6 with the bed 6 on which the patient is placed, and an image system 2 (image intensifier, arranged in front of the bed 6).
The TV camera and the operation panel 3) are integrally linked via the support unit 5. The image system 2 is one in which an operator grips an operation handle 4 attached to an operation panel 3 on the front side of the image system 2 and moves the image system 2 up and down, left and right, and back and forth by a drive motor. On the other hand, the bed 6 is driven by a motor (not shown) of the operation panel 3 in the height direction and the lateral direction of the patient independently of the movement of the video system 2 by motor driving. As described above, the video system 2 and the bed 6 move relatively independently of each other across the patient, and the center of the video system 2 can be positioned at the patient's site of interest. Further, in order to bring the patient from the standing position to the horizontal position, the X-ray fluoroscopy table 1 can be moved up and down by the up / down switch 17 of the operation panel 3. The proximity monitor 13 is placed near the operator of the fluoroscopic imaging table 1, and the operator observes the X-ray fluoroscopic image of the patient on the proximity monitor 13 so that the region of interest is located at the center of the image of the proximity monitor 13. Then, the user operates the operation handle 4 to move the video system 2. Then, an image capturing switch (not shown) on the operation panel 3 is pressed to capture an image.

[0004]

The conventional close-up operation fluoroscopy apparatus is configured as described above. However, at the time of X-ray fluoroscopy diagnosis, the operator is required to operate the patient on the bed 6, the proximity monitor 13 and the operation panel 3. While watching the video, grasp the operation handle 4 and
Is moved up and down, left and right, back and forth, or the fluoroscopic imaging table 1 is turned upside down, the patient is instructed about his or her posture, or the abdomen of the patient is pressed with a compression tube, and X-ray fluoroscopy on the proximity monitor 13 is performed. You must observe the image. Therefore, in order to make the X-ray fluoroscopic image on the proximity monitor 13 easy to see, the operator usually puts the proximity monitor 13 in front of the video system 2 on the right side of the operator, or moves the radiography table 1 on the left side of the operator. The diagnosis is performed by placing the display device in the vicinity or in such a manner that the display surface of the proximity monitor 13 faces the operator. However, the gaze of the operator is
It is directed in all directions, such as the direction of the patient, the direction of the X-ray image on the proximity monitor 13, the direction of the operation panel, the movement of the video system 2, and the state of the bed 6 to move up and down. Therefore, it is enormous labor and effort to shorten the operation from the point of X-ray exposure, and to hold the operation handle 4 so that the center of the imaging system 2 can be located at the site of interest of the patient in a short time. There was a problem of requiring concentration.

The present invention has been made in view of such circumstances, and it is possible for an operator to observe an X-ray image on a monitor in a comfortable posture without moving his / her gaze too much during X-ray diagnosis. It is an object of the present invention to provide a close-up operation type fluoroscopic imaging device that can be used.

[0006]

In order to achieve the above object, a close-up operation type fluoroscopic apparatus according to the present invention comprises a bed on which a patient is placed, and an X-ray which is placed under the bed with the bed interposed therebetween. It consists of a tube and an X-ray imaging system placed on the couch, and the operator operates the operation panel of the imaging system in close proximity to the patient to raise or lower the couch, or to operate the X-ray imaging system with the operation handle. In an under table tube type close-up operation type fluoroscopy apparatus that is moved with respect to a patient, a flat display for displaying an observation image is provided on a side surface of the X-ray imaging system, and an up / down switch for raising / lowering a bed. , A tilting motor, an angle reading mechanism for reading a tilting angle of the bed, a drive motor operated by a signal from the angle reading mechanism, and a machine for constantly moving the flat display horizontally by the drive motor. In which a mechanism that rotates.

According to a second aspect of the present invention, there is provided a close-up operation type fluoroscopic apparatus, wherein a flat display for displaying an observation image is provided on a side surface of the X-ray imaging system, and a raising / lowering switch for raising / lowering a bed is provided. A tilting motor, an angle reading mechanism for reading the tilt angle of the bed, and an electronic drive circuit for electrically rotating only the image display on the flat display to a horizontal level by a signal from the angle reading mechanism. Things.

According to a third aspect of the present invention, there is provided a close-up operation type fluoroscopic apparatus, wherein a flat display for displaying an observation image is provided on a side surface of the X-ray image system, and the X-ray image system is moved along a bed. A movement switch, a video drive motor,
A moving reading mechanism for reading the moving distance of the X-ray image system, an arithmetic circuit for calculating the rotation angle of the flat display based on a signal from the moving reading mechanism, a drive motor operated by a signal from the arithmetic circuit, and driving of the driving motor A mechanism is provided that mechanically rotates the display surface of the flat display to the direction of the operator by a motor.

The proximity operation type fluoroscopic apparatus according to the present invention is configured as described above, is provided with a flat display for displaying an observation image on the side of the X-ray image system, and has an angle reading mechanism for reading the tilt angle of the bed. The mechanism that mechanically rotates the flat display to the horizontal level is always provided, so the operator does not move his / her gaze very much during X-ray diagnosis, and is always in a comfortable posture even if the bed is turned upside down. An X-ray image on a horizontal flat display can be observed.

According to a second aspect of the present invention, there is provided a close-up operation type fluoroscopy apparatus, wherein a flat display for displaying an observation image is provided on a side surface of the X-ray image system, and an angle reading mechanism for reading a tilting angle of the bed and a flat display. An electronic drive circuit that electrically rotates only the image display at all times until the image is horizontal is provided, so the operator does not move his / her gaze much during X-ray diagnosis, and has a comfortable posture even when the bed is turned upside down. An X-ray image always horizontal to the floor can be observed on a flat display.

According to a third aspect of the present invention, there is provided a close-up operation type fluoroscopic apparatus, wherein a flat display for displaying an observation image is provided on a side surface of the X-ray image system, and the moving distance along the bed of the X-ray image system is read. Since a reading mechanism and an arithmetic circuit that calculates the rotation angle of the flat display based on a signal from the moving reading mechanism are provided with a mechanism that always rotates the display surface of the flat display mechanically in the direction of the operator, The operator can always observe the X-ray image on the flat display from the front in a comfortable posture even when the X-ray image system is moved along the bed without moving his / her gaze much during the X-ray diagnosis.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a close-up operation type fluoroscopic apparatus according to the present invention will be described with reference to FIG. FIG. 1 shows a horizontal position of the fluoroscopy table 1, and FIG. 2 shows a standing position. The fluoroscopy table 1 sandwiches a bed 6 on which a patient is placed, and faces the bed 6
An X-ray tube 7 arranged below the bed and an image system 2 (image intensifier, TV camera, flat display 10, operation panel 3) arranged above the bed 6 are integrated via the support unit 5. Work together. Then, in order to bring the patient from the horizontal position to the upright position, the X-ray fluoroscopy table 1 can be moved up and down by the up / down switch 17 of the operation panel 3. As the flat display 10, a thin display monitor such as a liquid crystal display is used. The flat display 10 is provided on the side of the video system 2 in front of about the height position of the operator's face, and depends on the tilt angle of the fluoroscopic imaging table 1. And flat display 1
The flat display 10 is always rotated by the drive motor attached to the floor so as to be horizontal with respect to the floor, and the X-ray image of the patient on the bed 6 displayed on the flat display 10 can always be observed vertically. It has a mechanism. Further, instead of the main body of the flat display 10 being mechanically rotated by the drive motor, the fluoroscopic table 1 is not used.
Flat display 1 according to the tilt angle of bed 6
An electronic drive circuit for electrically rotating only the image display to the horizontal position, and the X-ray image of the patient on the bed 6 displayed on the flat display 10 is always displayed vertically. Can also be provided.

Next, the above operation mechanism will be described.
FIG. 3 is a block diagram showing a mechanism in which the flat display 10 mechanically always rotates horizontally with respect to the floor. This operating mechanism includes a raising / lowering switch 17 on an operation panel, a raising / lowering motor 18 for raising / lowering the bed 6 of the fluoroscopic imaging table, an angle reading mechanism 19 for detecting the angle of the raising / lowering, and a flat display receiving the signal. A drive motor 14 rotates the same 10 by the same angle, and a flat display 10 that displays an X-ray image. FIG. 4 is a block diagram illustrating a mechanism in which an X-ray display image on the flat display 10 electrically and constantly rotates horizontally with respect to the floor. This operating mechanism includes a raising / lowering switch 17 on an operation panel, a raising / lowering motor 18 for raising / lowering the bed 6 of the fluoroscopic imaging table, an angle reading mechanism 19 for detecting the angle of the raising / lowering, and a flat display receiving the signal. An electronic drive circuit 22 electrically rotates the X-ray image displayed on the display 10 by the same angle, and a flat display 10 for displaying the X-ray image.

Then, the operator grips the operation handle 4 on the operation panel 3 on the front side of the video system 2 and moves the video system 2 up and down, left and right, and back and forth with respect to the bed 6 by the drive motor. Can be. On the other hand, the bed 6 is driven by a motor (not shown) of the operation panel 3 in the height direction and the lateral direction of the patient independently of the movement of the video system 2 by motor driving. As described above, the video system 2 and the bed 6 move relatively independently of each other across the patient, and the center of the video system 2 can be positioned at the patient's site of interest. FIG. 5 shows a case where the bed 6 of the fluoroscopic imaging table 1 is in the horizontal position, the image system 2 is moved in the horizontal direction along the table 6, and the image system 2 is moved to the left A position and the front B position The figure shows a case where the camera is set at the position C on the right side. A mechanism is provided such that the flat display 10 is rotated by a drive motor such that the display surface of the X-ray image of the flat display 10 is always perpendicular to the line of sight 12 of the operator 11. In the case of the flat display 10, particularly a liquid crystal display, a change in density may occur due to a difference in viewing angle.
The display surface is made perpendicular to one line of sight 12. In FIG. 6, when the bed 6 of the fluoroscopy table 1 is in the upright position, the image system 2 is moved up and down along the bed 6, and the image system 2 is moved upward with respect to the face of the operator 11 from the position A ′. This shows a case where it is set at a slightly lower B 'position and a lower C' position.
As described above, the flat display 10 is rotated by the drive motor such that the display surface of the X-ray image of the flat display 10 is always perpendicular to the line of sight 12 of the operator 11. Next, the operation mechanism of FIGS. 5 and 6 will be described. In FIG. 7, when the video system 2 moves along the bed 6,
FIG. 2 shows a block diagram of an operation mechanism in which a display surface of the flat display 10 is always perpendicular to an operator's line of sight. Movement switches 4a are provided at both ends of the operation handle 4. When the operation handle 4 is operated to the left, the image system 2 is moved to the left with respect to the bed 6 by the image system drive motor 16, and
When the operation handle 4 is operated to the right, the video system 2 is moved to the right with respect to the bed 6 by the video system drive motor 16.
A moving reading mechanism 20 provided in the video system 2 reads a relative position with respect to the bed 6, and a moving distance signal from the moving reading mechanism 20 is input to an arithmetic circuit 21 provided on the operation panel. From the moving distance signal, the display surface of the flat display 10 is changed to the flat display 1
0 by the drive motor 15 attached to the
Is calculated to be perpendicular to the line of sight, and the signal is input to the drive motor 15. The display surface of the flat display 10 is directed toward the operator 11 by the drive motor 15.

In the apparatus configured as described above, the operator places the patient on the bed 6, grasps the operation handle 4, turns on the X-ray fluoroscopic switch (not shown), and sets the flat display 10 on the side of the video system 2. While observing the X-ray fluoroscopic image, the image system 2 is moved to bring the center of the image system 2 to a site of interest of the patient. Then, a photographing switch (not shown) on the operation panel 3 is pressed to take an image. In the case of making a diagnosis using a contrast agent, the bed 6 of the fluoroscopic imaging table is turned upside down, and the abdomen of the patient is pressed with a compression tube. The operator observes the X-ray fluoroscopic image of the flat display 10 by raising and lowering the bed 6 several times during the X-ray fluoroscopy. At this time, the X-ray image on the flat display 10 is always displayed vertically regardless of the tilt angle of the bed 6. Since the image display surface of the flat display 10 rotates so as to be perpendicular to the line of sight of the operator 11, the operator always displays the image vertically on the flat display 10 without moving the line of sight much. An X-ray image can be observed in an easy posture from directly in front.

[0016]

The close-up operation type fluoroscopy apparatus of the present invention is configured as described above, and the flat display is attached to the side of the video system at about the height of the operator's eyes. At the time of X-ray diagnosis, the operator can operate with minimal movement of the line of sight. As a result, the time required for the operator to keep his / her gaze away from the patient is reduced, so that the X-ray examination can be performed safely.
Furthermore, the X-ray display image of the flat display is always displayed vertically regardless of the inclination angle of the bed even when the bed on which the patient is placed is placed in a horizontal position or a standing position, so that the operator can take a comfortable posture. Can operate. Furthermore, even if the video system is moved along the bed, the flat display surface rotates so that the X-ray image display surface of the flat display is always perpendicular to the operator's line of sight. In addition, there is no inconvenience caused by a change in density due to a difference in viewing angle.

[Brief description of the drawings]

FIG. 1 is a view showing one embodiment of a horizontal position of a close-up operation type fluoroscopic imaging apparatus of the present invention.

FIG. 2 is a view showing an embodiment of a standing operation type fluoroscopic imaging apparatus according to the present invention in a standing state.

FIG. 3 is a diagram showing a control block for mechanically rotating a flat display of the close-up operation type fluoroscopic imaging apparatus of the present invention.

FIG. 4 is a diagram showing a control block for electrically rotating an image on a flat display of the close-up operation type fluoroscopic imaging apparatus of the present invention.

FIG. 5 is a view showing the orientation of a flat display in a horizontal position of the close-up operation type fluoroscopic imaging apparatus of the present invention.

FIG. 6 is a view showing the orientation of a flat display in a standing position of the close-up operation type fluoroscopic imaging apparatus of the present invention.

FIG. 7 is a diagram showing a control block for controlling the orientation of a flat display of the close-up operation type fluoroscopic imaging apparatus of the present invention.

FIG. 8 is a view showing a conventional proximity operation type fluoroscopic imaging apparatus.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Perspective imaging stand 2 ... Video system 3 ... Operation panel 4 ... Operation handle 4a ... Movement switch 5 ... Support part 6 ... Bed 7 ... X-ray tube 8 ... Base part 9 ... Video system adapter 10 ... Flat display 11 ... Operator DESCRIPTION OF SYMBOLS 12 ... Line of sight 13 ... Proximity monitor 14 ... Driving motor 15 ... Driving motor 16 ... Video system driving motor 17 ... Tilting switch 18 ... Tilting motor 19 ... Angle reading mechanism 20 ... Moving reading mechanism 21 ... Arithmetic circuit 22 ... Electronic drive circuit

Claims (3)

[Claims] 1. A bed on which a patient is placed, an X-ray tube arranged below the bed and opposed to the bed, and an X-ray imaging system placed on the bed, the bed being placed close to the patient. In an under-table tube type close-up operation type fluoroscopy apparatus in which an operator operates an operation panel of an image system to raise and lower the bed and moves an X-ray image system with respect to a patient using an operation handle, A flat display for displaying observation images is provided on the side of the line image system, an up / down switch for raising / lowering the couch, an up / down motor, an angle reading mechanism for reading the up / down angle of the couch, and an angle reading mechanism. And a mechanism for mechanically rotating the flat display to be always horizontal by the driving motor. 2. A bed on which a patient is placed, an X-ray tube placed below the bed and opposed to the bed, and an X-ray imaging system placed on the bed, the bed being placed close to the patient. In an under-table tube type close-up operation type fluoroscopy apparatus in which an operator operates an operation panel of an image system to raise and lower the bed and moves an X-ray image system with respect to a patient using an operation handle, A flat display for displaying observation images is provided on the side of the line image system, an up / down switch for raising / lowering the couch, an up / down motor, an angle reading mechanism for reading the up / down angle of the couch, and an angle reading mechanism. An electronic drive circuit for electrically rotating only the image display on the flat display to a horizontal level in accordance with the signal of (1). 3. A bed on which a patient is placed, an X-ray tube placed below the bed and opposed to the bed, and an X-ray imaging system placed on the bed, the bed being placed close to the patient. In an under-table tube type close-up operation type fluoroscopy apparatus in which an operator operates an operation panel of an image system to raise and lower the bed and moves an X-ray image system with respect to a patient using an operation handle, A flat display for displaying an observation image is provided on the side of the X-ray imaging system, a movement switch for moving the X-ray imaging system along the bed, an imaging system driving motor, and a movement reading for reading a moving distance of the X-ray imaging system. Mechanism, an arithmetic circuit for calculating the rotation angle of the flat display based on a signal from the moving reading mechanism, a drive motor operated by a signal from the arithmetic circuit, and the drive motor using the drive motor. Tsu DOO display of the display surface proximate operated fluoroscopic apparatus, characterized in that it comprises a mechanism for rotating mechanically to the always direction of the operator.