JP2007313252A - X-ray device for bedside examination - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem with an X-ray device for bedside examination wherein a supporting column exists at the front of a carriage shielding part of a field of vision ahead of an operator when advancing, requiring a certain degree of width because a weight is incorporated in the support, so that the operator needs to move his/her face right and left for safely advancing, causing much trouble to the operator. <P>SOLUTION: The X-ray device for bedside examination comprises a TV camera 14 and a TV camera 15 respectively installed on front surfaces in the vicinity of floor surface of the support 8 and the carriage 1. In a display device 4 to display X-ray images X-ray photographed, views ahead taken by the cameras are displayed while advancing. The operator 16 is thus capable of advancing safely by watching the images. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a roundabout X-ray apparatus configured to be movable so that a roundabout can be performed in a ward or the like.

  The round-trip X-ray apparatus is used by moving to the bedside in a ward or the like in order to X-ray the subject who has difficulty walking. Hereinafter, a configuration example and an operation example of a roundabout X-ray apparatus using a flat panel detector (hereinafter referred to as FPD) will be described with reference to FIGS. 4A and 4B show the appearance of the round-trip X-ray apparatus. FIG. 4A is a side view and FIG. 4B is a view as seen from the operator 16 side. FIG. 5 is a block diagram showing a circuit configuration of image reading and display control of the round X-ray apparatus.

  The X-ray tube support arm 5 attached to the front portion of the carriage 1 that can be driven by a pair of left and right front wheels and rear wheels so as to be able to move up and down along a support column 8 is configured to be extendable. The X-ray tube 2 and the collimator 3 are attached to the tip. A weight 9 is provided in the column 8 to balance the weight of the X-ray tube support arm 5, the X-ray tube 2, and the collimator 3, and is attached to a fixed pulley 7 attached to the top of the column 8. A weight 9 and an X-ray tube support arm 5 are connected to both ends of the attached wire 6. For safety, as shown in FIG. 4, the X-ray tube support arm 5 is lowered until it comes into contact with the upper portion of the carriage 1, and the support arm fixing rod 10 provided in the X-ray tube support arm 5 is lowered. By inserting and fixing in a hole (not shown) provided at the top of 1, turning of the support column 8 and vertical movement of the X-ray tube support arm 5 are prohibited.

  Further, inside the carriage 1, the microswitch 11 is attached at a position where the lever of the microswitch 11 is pushed by the tip when the support arm fixing rod 10 is inserted into the hole. The output of the micro switch 11 is used to switch the maximum rotation speed of a motor (not shown) that drives the rear wheel of the carriage 1 for moving the round-trip X-ray apparatus. Specifically, the rotational speed of the motor when the operator 16 fully turns the outer cylinder of the speed control gripping rod 17 having a double cylindrical structure, for example, is compared to when the lever of the micro switch 11 is pressed. When the X-ray tube support arm 5 is not fixed at the bedside or the like, for example, safety is taken into consideration so that it cannot move at high speed. Further, when the lever of the micro switch 11 is pressed, the system control unit 22 prohibits the X-ray generation operation by the X-ray control unit 29.

  When performing X-ray imaging of a subject with the round-trip X-ray apparatus configured as described above, the round-trip X-ray apparatus is moved to a position close to a bed (not shown) on which the subject (not shown) lies. After the X-ray tube support arm 5 is raised to an appropriate height along the support column 8, the X-ray tube 2 and the collimator 3 are moved by the turning function of the support column 8 and the expansion / contraction function of the X-ray tube support arm 5. Arrange it at a position suitable for upper shooting. Then, after the FPD 12 stored in the carriage 1 at the time of movement is inserted and positioned between the subject and the bed, the X-ray irradiation is instructed by operating the operation panel 21 provided on the upper part of the carriage 1. X-ray imaging is performed under the control of the X-ray control unit 29 built in the carriage 1.

The captured image is input from the FPD 12 to the image processing unit 26 of the image processing device 20, subjected to appropriate image processing and stored in the image storage unit 27, and via the image display control unit 28 by the display device support bracket 13. It is displayed on the display device 4 attached to the carriage 1. The system control unit 22 controls the operation of the entire round X-ray apparatus, and is configured by, for example, a microcomputer (see, for example, Patent Document 1).
JP 2006-55434 A

  A general X-ray apparatus for round trips is configured as described above, for example. As described above, there is a support column having a width determined by the width of the built-in weight, etc. at the front of the carriage, which is operated during traveling. To block part of the field of vision in front of the person. Also, the cart itself has a certain height and width and shields a part of the front view. As a result, the operator often has to move his / her face to the left and right to check the shadows of the columns and trolleys for safe driving when moving the X-ray device for round trips. That's it. The present invention is intended to solve this problem.

  In order to achieve the above object, the invention described in claim 1 includes an X-ray tube for irradiating X-rays, X-ray imaging means for performing X-ray imaging, and display means for displaying the X-ray image taken In the X-ray apparatus for round trips, an imaging unit for imaging the front of the X-ray apparatus for round trips, and input switching for switching which output image of the X-ray imaging unit or the imaging unit is displayed on the display unit An X-ray imaging apparatus for round visits provided with means is provided.

  According to a second aspect of the present invention, in order to achieve the above object, the roundabout X-ray imaging apparatus according to the first aspect is provided, wherein the imaging means is constituted by one or a plurality of television cameras.

  According to a third aspect of the present invention, in order to achieve the above object, in the X-ray apparatus for round visits according to the first or second aspect, the X-ray tube is fixed. And detecting means for detecting that the X-ray tube is fixed, and the input switching means switches between an image from the X-ray imaging means and an image from the imaging means in accordance with an output of the detecting means. An X-ray apparatus for round visits is provided.

  According to the present invention, when the operator moves the round X-ray apparatus, the operator can view a front view displayed on a display device for displaying an X-ray image or the like, which is taken by a TV camera attached to the round X-ray apparatus. By observing, it is possible to confirm even the shaded part of the column and the carriage without moving the face left and right, so that the burden during movement is greatly reduced.

  In a roundabout X-ray apparatus having an X-ray radiographing means for performing X-ray radiography and a display means for displaying the radiographed X-ray image, a landscape radiographing means for photographing a scene in front of the roundabout X-ray apparatus; , Provided with an input switching means for switching which output image of the X-ray imaging means or the landscape imaging means is displayed on the display means, a TV camera is used as the landscape imaging means, and a plurality of images are provided. It is desirable that

  An embodiment of the present invention will be described with reference to FIGS. FIGS. 1A and 1B show the appearance of a roundabout X-ray apparatus of the present invention. FIG. 1A is a side view and FIG. 1B is a view as seen from the operator 16 side. FIG. 2 is a block diagram showing a circuit configuration of image reading and display control of the roundabout X-ray apparatus of the present invention. Here, the greatest difference between the round-trip X-ray apparatus shown in FIG. 1 and the conventional apparatus is that the TV camera 14 and the TV camera 15 are attached to the front surface of the support column 8 and the carriage 1 near the floor surface, respectively. In these drawings, the parts and the like denoted by the same reference numerals as those in FIG. 4 or 5 are the same as those in FIG. 4 or FIG.

  When X-ray imaging is performed after the round-trip X-ray apparatus is moved to the vicinity of a bed (not shown) on which a subject (not shown) lies, the operator 16 moves the X-ray tube support arm 5 along the column 8. Then, the X-ray tube 2 and the collimator 3 are arranged at a position suitable for imaging above the subject by the turning function of the support column 8 and the expansion / contraction function of the X-ray tube support arm 5. Then, after the FPD 12 stored in the carriage 1 at the time of movement is inserted and positioned between the subject and the bed, the X-ray irradiation is instructed by operating the operation panel 21 provided on the upper part of the carriage 1. For example, the system control unit 22 configured by a microcomputer or the like transmits an X-ray irradiation instruction to an X-ray control unit 29 built in the carriage 1, and an image from the FPD 12 is input to the image processing unit 26 by the input switching unit 25. Switch as expected. Thereafter, when X-ray imaging is performed under the control of the X-ray control unit 29, the captured image is input from the FPD 12 to the image processing unit 26, subjected to appropriate image processing, stored in the image storage unit 27, and The image is displayed on the display device 4 via the image display control unit 28. Thereafter, the operator 16 performs further operations such as photographing or operating the operation panel 21 to reproduce and display the image stored in the image storage unit 27 on the display device 4 for observation.

  When the necessary work for the subject is completed and the round-trip X-ray apparatus is moved to another location, the operator 16 turns the support column 8 and lowers the X-ray tube support arm 5, as shown in FIG. As shown, the support arm fixing rod 10 provided in the X-ray tube support arm 5 is lowered and inserted into a hole (not shown) provided in the upper portion of the carriage 1 to fix the X-ray tube support arm 5. . At this time, when the lever of the micro switch 11 is pushed by the tip of the support arm fixing rod 10, the output of the micro switch 11 is input to the system control unit 22 as described in the background art section, and the X-ray control unit 29. The generation of X-rays is prohibited, and the maximum rotational speed of a motor (not shown) that drives the rear wheels of the carriage 1 is switched from low speed to high speed, and is input to the input switching section 25 via the AD conversion section 23. The scenery in front of the column 8 from the TV camera 14 is input to the image processing unit 26 and displayed on the display device 4 via the image display control unit 28.

  As a result, the operator 16 can run the round trip X-ray apparatus while viewing the image by the TV camera 14 displayed on the display device 4. Further, the operator 16 can operate the operation panel 21 to display an image near the floor surface by the TV camera 15 on the display device 4 via the AD conversion unit 24 or the like, or two images by the TV cameras 14 and 15 can be simultaneously displayed. It can also be displayed on the display device 4. Further, if necessary, the operation panel 21 can be operated to reproduce and display the image stored in the image storage unit 27 and confirm the X-ray images taken so far.

  In the above embodiment, the TV camera 14 and the TV camera 15 are attached to the front surface of the support column 8 and the carriage 1 near the floor, respectively, but one of them may be removed and only one of them may be configured.

  In the above embodiment, the display device 4 displays either an X-ray image by the FPD 12 or an input image of the front scene by the TV camera 14 or the TV camera 15 depending on whether or not the lever of the micro switch 11 is pushed by the support arm fixing rod 10. Switching between the TV cameras 14 and 15 and switching between the input image and the reproduced image from the image storage unit 27 were performed by operating the operation panel 21. Switching may also be performed by operating the operation panel 21.

  Further, as shown in FIG. 3B, a relatively short column 38 is attached to the carriage 31, and is held at the upper end of the column 38 so as to be rotatable on a plane parallel to the paper surface. In the case of a roundabout X-ray apparatus having an attached X-ray tube support arm 35, for example, a TV camera 34 is attached to the front surface of the carriage 31 as shown in FIG. It may be displayed.

  The present invention can be applied to all round X-ray apparatuses provided with the display device 4 for displaying X-ray images, and is not limited to the round X-ray apparatus using the FPD 12.

  The present invention relates to a roundabout X-ray apparatus configured to be movable so that a roundabout can be performed in a ward or the like.

It is a figure for demonstrating the Example of the X-ray apparatus for round trips of this invention. It is a block diagram which shows the circuit structure for demonstrating the Example of this invention. It is a figure for demonstrating the Example of the X-ray apparatus for round trips of this invention. It is a figure for demonstrating the structure of the conventional X-ray apparatus for round trips. It is a block diagram centering on the image processing apparatus of the conventional X-ray apparatus for round trips.

Explanation of symbols

1: Cart 2: X-ray tube 3: Collimator 4: Display device 5: X-ray tube support arm 6: Wire 7: Fixed pulley 8: Strut 9: Weight 10: Support arm fixing rod 11: Micro switch 12: FPD
13: Display device support bracket 14: TV camera 15: TV camera 16: Operator 17: Speed control gripping rod 20: Image processing device 21: Operation panel 22: System control unit 23: AD conversion unit 24: AD conversion unit 25: Input switching unit 26: image processing unit 27: image storage unit 28: image display control unit 31: carriage 32: X-ray tube 34: TV camera 35: X-ray tube support arm 38: support column

Claims (3)

An X-ray apparatus for rounds having an X-ray tube for irradiating X-rays, an X-ray imaging unit for performing X-ray imaging, and a display unit for displaying the captured X-ray images. An X-ray apparatus for round visits comprising: an imaging unit for imaging; and an input switching unit for switching which output image of the X-ray imaging unit or the imaging unit is displayed on the display unit. 2. The round X-ray apparatus according to claim 1, wherein the imaging means is composed of one or a plurality of television cameras. 3. A roundabout X-ray apparatus according to claim 1, wherein the X-ray tube is configured to be movable, and means for fixing the X-ray tube and detection for detecting that the X-ray tube is fixed. And the input switching means switches between the image from the X-ray imaging means and the image from the imaging means in accordance with the output of the detection means.

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