JP3635832B2 - Mobile X-ray device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mobile X-ray apparatus used for performing fluoroscopic imaging during a round-trip or the like in a hospital.
[0002]
[Prior art]
A conventional mobile X-ray apparatus 101 shown in FIG. 3 includes a traveling body 102, a support column 103 that is rotatably attached to the traveling body 102 about the longitudinal axis, and an X-ray that is attached to the support column 103 via an arm 104. A tube 105 and a control device 106 held by the traveling body 102 are provided. The control device 106 is electrically connected to the X-ray tube 105 by a cable 107 and supplies power for X-ray irradiation to the X-ray tube 105.
[0003]
[Problems to be solved by the invention]
In the conventional configuration, when the X-ray tube 105 is rotated around the vertical axis, the cable 107 that connects the X-ray tube 105 and the control device 106 is wound around the support column 103, so that the rotation angle is limited. There was a problem. Therefore, in order to position the X-ray tube 105 at a desired position, the orientation of the entire apparatus may have to be changed, and workability is poor. In addition, when using in a small hospital room or when the bed of the subject to be fluoroscopically imaged is placed on a wall, it is difficult to change the orientation of the entire device, which limits the use of the device itself. There was a problem that. Moreover, the disconnection trouble of the cable 107 was easy to occur.
[0004]
An object of this invention is to provide the mobile X-ray apparatus which can solve the said problem.
[0005]
[Means for Solving the Problems]
The present invention includes a traveling body, a support member that is rotatably attached to the traveling body about the longitudinal axis, an X-ray tube that is attached to the support member, and a control device that is held by the traveling body. In the type X-ray apparatus, a first conductor electrically connected to the X-ray tube is provided on the support member side, and a second conductor electrically connected to the control device is Provided on the traveling body side, the first conductor and the second conductor are in contact with each other so that the control device and the X-ray tube can be electrically connected, and the traveling body of the support member. Relative sliding is enabled by rotation with respect to.
[0006]
According to the above configuration, the X-ray tube and the control device are electrically connected via the first conductor and the second conductor, and the two conductors are relative to each other by the rotation of the support member relative to the traveling body. To slip. Accordingly, the X-ray tube and the control device can be electrically connected without using a cable that wraps around the support member due to the rotation, so that the rotation angle of the support member can be prevented from being limited.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0008]
A mobile X-ray apparatus 1 for fluoroscopic imaging shown in FIG. 1 includes a traveling body 2, a support member 3 attached to the traveling body 2 so as to be rotatable about the longitudinal axis, and an X-ray tube attached to the support member 3. A sphere 4 and a control device 5 held inside the support member 3 are provided. Electric power is supplied from the power source to the X-ray tube 4 by the control device 5. A battery connected to the control device 5 as the power source may be mounted on the traveling body 2, or the control device 5 may be connected to an external power source via a cable. The X-ray image receiving means such as an X-ray film or an image intensifier may be provided on the traveling body 2 or on the subject's bed. For example, an image intensifier is provided on the traveling body 2. A cassette containing an X-ray photosensitive film can be attached to the bed of the subject.
[0009]
The traveling body 2 includes a base 2a, a cover 2b that covers the control device 5 mounted on the rear portion of the base 2a, and a plurality of traveling wheels 2c. The traveling body 2 may be moved manually or by a drive mechanism.
[0010]
The support member 3 has a column 3a and an arm 3b. As shown in FIG. 2, the support column 3 a is attached to the front portion of the base 2 a via a bearing 7 so that the support member 3 can rotate about the longitudinal axis with respect to the traveling body 2. The arm 3b is attached to the support column 3a so as to be able to move up and down and to be able to rotate along with the arm 3b. The arm 3b can be expanded and contracted in the lateral direction.
[0011]
A slip ring 10 as a first conductor is fitted to the support 3a so as to rotate along with the support 3a. The X-ray tube 4 is electrically connected to the slip ring 10 via a cable 11. As shown in FIG. 1, one end of the cable 11 is inserted into the support 3a through an opening 3a 'formed in the support 3a, and the other end is held on the outer surface of the arm 3b via a holding member 12.
[0012]
Further, as shown in FIG. 2, a brush 20 as a second conductor is held by a brush holder 21 fixed to the traveling body 2 via a cover 2d. The control device 5 is electrically connected to the brush 20 via the cable 22. The brush 20 is pressed against the slip ring 10 by the elasticity of the spring 23 attached to the brush holder 21. As a result, the slip ring 10 and the brush 20 are brought into contact with each other so that the control device 5 and the X-ray tube 4 can be electrically connected, and slide relative to each other by the rotation of the support member 3 with respect to the traveling body 2.
[0013]
According to the above configuration, the X-ray tube 4 and the control device 5 are electrically connected via the slip ring 10 and the brush 20, and the slip ring 10 and the brush 20 are connected to the traveling body 2 of the support member 3. Relative slip by rotation. Thus, the X-ray tube 4 and the control device 5 are electrically connected without using a cable that wraps around the support member 3 by the rotation, and the control device 5 connects the cable from the power source to the X-ray tube 4. 11, 22, slip ring 10, and brush 20 can be used to supply power. Therefore, the rotation angle of the support member 3 is not limited, and the cables 11 and 22 are wound around the support 3a even if the support 3a, the arm 3b, and the X-ray tube 4 are rotated endlessly on the traveling body 2. However, the degree of freedom in positioning the X-ray tube 4 is increased, and troubles in disconnection of the cables 11 and 22 can be reduced.
[0014]
In addition, this invention is not limited to the said embodiment. For example, the form of the support member is not particularly limited, and the support column as in the above embodiment is not essential, and may be a support member configured only by an arm that is directly attached to the traveling body 2. Further, the first conductor and the second conductor are not limited to those constituted by a slip ring and a brush, and can be relatively slipped by rotation of a support member with respect to the traveling body, and the control device, the X-ray tube, As long as it can be electrically connected so that power can be supplied. Further, the X-ray tube and the first conductor may be electrically connected via a high voltage transformer provided on the support member side. In this case, both the conductors can be made compact.
[0015]
【The invention's effect】
According to the present invention, the mobile X-ray can increase the degree of freedom of positioning of the X-ray tube, improve workability, can be used in a narrow place, and can reduce the disconnection of the cable. Equipment can be provided.
[Brief description of the drawings]
FIG. 1 is a side view of a mobile X-ray apparatus according to an embodiment of the present invention. FIG. 2 is a configuration explanatory view of a main part of the mobile X-ray apparatus according to an embodiment of the present invention. Side view of device [Explanation of symbols]
2 traveling body 3 support member 4 X-ray tube 5 control device 10 slip ring (first conductor)
20 Brush (second conductor)

Claims (1)

A traveling body,
A support member rotatably attached to the traveling body about the longitudinal axis;
An X-ray tube attached to the support member;
In a mobile X-ray apparatus comprising a control device held by the traveling body,
A first conductor electrically connected to the X-ray tube is provided on the support member side;
A second conductor electrically connected to the control device is provided on the traveling body side;
The first conductor and the second conductor are in contact with each other so that the controller and the X-ray tube can be electrically connected, and can be relatively slid by rotation of the support member with respect to the traveling body. A mobile X-ray apparatus characterized by that.

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