JPH03143429A - X-ray diagnostic apparatus - Google Patents

Abstract

PURPOSE:To enable a work of confirming an X-ray irradiation field to be carried out easily and quickly by lighting an irradiation field lamp installed at a ceiling type X-ray tube holding unit interlocked with a motion of transferring a main body of photographing unit. CONSTITUTION:Interlocking with a lift motion of Bucky main body in a Bucky stand 2, a lift body of an X-ray tube holding unit 1 also carries out a lift motion in the same manner as the Bucky main body and the holding unit, the X-ray tube, is made to stop at a position corresponding to the Bucky main body. The lift body is made to lift by driving a motor 4 through a drive circuit 29. The drive circuit 29 also lights an irradiation field lamp 9. At the same time, a timer 30 is actuated for 30 sec and the irradiation field lamp 9 is turned out after 30sec. An operator confirms a relationship between a film and the irradiation field, which is indicated by a light illuminated toward the film loaded in the Bucky main body, and carries out an adjustment if necessary.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention provides an
The present invention relates to radiation diagnostic equipment.

(Prior art) As an X-ray diagnostic device, there is a ceiling-type X-ray tube holding device that holds an X-ray tube on an elevating body installed on the ceiling, and an X-ray tube that is emitted from the X-ray tube installed in this ceiling-type X-ray tube holding device. and an imaging device having a movable main body that holds a film that receives X-rays, and as the main body of the imaging device is moved, an elevating body of the ceiling-type X-ray tube holding device is driven. There is a type that moves the X-ray tube up and down in conjunction with each other.

An explanation will be added regarding this type of X-ray diagnostic device.

The X-ray tube holding device suspends an extendable elevating body from the ceiling.
A holding unit equipped with an X-ray tube and a diaphragm mechanism is provided at the lower end of the elevating body. This elevating body is moved up and down by a motor and an appropriate elevating mechanism. The holding unit is provided with an irradiation field lamp and a lamp switch for turning the lamp on and off. This irradiation field lamp uses the X-rays emitted from the X-ray tube.
It emits light as a simulated X-ray with the same optical axis as the beam, and as described later, it is an example of an imaging device.
It is used to check the irradiation field for the film provided on the main body of the stand and adjust the X-ray irradiation field.

For example, a butt key stand is used as the photographing device. The butt key stand is provided at a location away from the ceiling-type X-ray tube holding device, and the butt key body is provided on a stand installed on the floor so that it can be raised and lowered. The Button key body is raised and lowered by a lifting mechanism (not shown) by driving a motor. A cassette holding film is loaded into the Butsky body.

When the button key body is moved up and down on the button key stand, the motor in the X-ray tube holding device is driven to raise and lower the elevating body in accordance with the rise and fall of the button key body, thereby raising and lowering the holding unit and holding the X-ray tube. It has the function of raising and lowering.

When performing X-ray diagnosis using the X-ray diagnostic apparatus configured as described above, the subject is positioned in front of the buttkey body of the buttkey stand, and the operator, who is on the side of the buttkey stand, raises and lowers the buttkey body. The button body is raised and lowered and stopped at a position corresponding to the part of the subject to be photographed. In conjunction with the lifting and lowering movements of the buttkey body of this buttkey stand, the lifting body of the X-ray tube holding device also moves up and down in the same way as the buttkey body, and the holding unit, that is, the
Stop the wire tube at the position corresponding to the button body.

After that, the irradiation field of X-rays emitted from the X-ray tube and the
In order to check the positional relationship with the film loaded in the buttkey body that receives the radiation, the operator moves from the buttkey stand to the holding unit of the X-ray tube holding device, operates the lamp switch provided on the holding unit, and adjusts the irradiation field. The lamp is turned on, and the light from the lamp is directed onto the film of the Butsky body along the same optical axis as the X-rays emitted from the X-ray tube. Then, check the relationship between the irradiation field of the light beam and the film, and adjust the irradiation field as necessary. This confirms and adjusts the irradiation field of the X-rays emitted from the X-ray tube onto the film.

However, when performing X-ray photography in this manner, the operator is present at the button key stand and operates the button key body. Therefore, when performing work to confirm the X-ray irradiation field, the operator must move from the button key stand to the holding unit of the X-ray tube holding device, which is located far away, and operate the lamp switch. It was necessary to turn on the irradiation lamp.

(Problem to be Solved by the Invention) As described above, with conventional X-ray diagnostic equipment, the operator has to move from the key stand to the X-ray tube holding device every time he or she confirms the X-ray irradiation field. As a result, the work is troublesome, placing a heavy burden on the operator and lengthening the work time.

The present invention has been made based on the above-mentioned circumstances, and is an X-ray machine that enables the work of confirming the X-ray irradiation field to be carried out easily and quickly, and reduces the burden on the operator in the work of confirming the X-ray irradiation field.
The purpose is to provide a radiation diagnostic device.

[Configuration of the Invention (Means for Solving the Problems) To achieve the above object, the X-ray diagnostic apparatus of the present invention is installed on the ceiling. A ceiling-type X-ray tube holding device that holds an X-ray tube on an elevating body and a device body that holds a film that receives X-rays emitted from the X-ray tube installed in this ceiling-type X-ray tube holding device are movable. A type of An X-ray diagnostic device characterized by having a function of lighting an irradiation field lamp provided on a ceiling-type X-ray tube holding device in conjunction with the movement of the main body of the imaging device. It is.

Further, after stopping the operation of moving the main body of the imaging device, the irradiation field lamp is turned on continuously for a predetermined period of time.

(Function) With this configuration, when the main body of the imaging device is moved, the irradiation field lamp provided on the ceiling-type X-ray tube holding device lights up in conjunction with this movement, and the main body of the imaging device is also moved. After stopping the movement, the irradiation field lamp is turned on continuously for a predetermined period of time, so when checking the X-ray irradiation field, the operator at the imaging equipment can move from the imaging equipment to the X-ray tube holding device. There is no need for the operator to move, and the operator can confirm the irradiation field by using the light rays emitted from the irradiation field lamp provided on the X-ray tube holding device while remaining near the imaging device.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

An embodiment of the X-ray diagnostic apparatus of the present invention will be described with reference to FIGS. 1 and 2.

FIG. 2 shows an example of this type of X-ray diagnostic apparatus.

That is, although there are two photographic devices that use a butt key stand and one that uses a butt key table stand, this embodiment uses a butt key stand as the photographing device.

In FIG. 2, 1 is a ceiling-type X-ray tube holding device, and 2 is a butt key stand. The X-ray tube holding device 1 includes an elevating body 3 that is constructed by combining a plurality of members on a ceiling R so as to be able to expand and contract in the vertical direction.
This elevating body 3 is extended and lowered by an elevating mechanism (not shown) by driving a motor 4. A holding unit 7 equipped with an X-ray tube 5 and an aperture mechanism 6 is held at the lower end of the elevating body 3, and this holding unit 7 has an irradiation field lamp 9 and a lamp switch 8 for turning on the lamp 9. It is a provision. This irradiation field lamp 9 irradiates a light beam as a simulated X-ray with the same optical axis as the XvA irradiated from the X-ray tube 5, and as described later, the irradiation field is applied to the film provided on the butt key body 11 of the butt key stand 2. It is used to confirm and adjust the X-ray irradiation field.

The key stand 2 is provided at a location away from the ceiling-type X-ray tube holding device 1, and the key body 11 is provided on a stand 10 installed on the floor F so as to be movable up and down. The key body 11 is raised and lowered by a lifting mechanism (not shown) by driving a motor 12. A cassette 13 holding a film is loaded into the boot key body 11. In addition, the key body] is provided with a mechanism necessary for X-ray photography.

Next, the control system, which is a feature of the present invention, will be explained with reference to FIG.

The key stand 2 is provided with a switch 21 for lifting and lowering the button body, a button lift position detector 22, a film size detector 23, and a link switch 24. The lift switch 21 provides a signal to the drive circuit 25. The drive circuit 25 drives and stops the motor 12 for raising and lowering the button body. The elevation position detector 22 is provided in the button key body 11, and is mounted on the button key body 1.
Specifically, a potentiometer is used to detect changes in position as the key body 11 moves up and down.
The elevation position is determined by using the change in the output of the potentiometer as the robot moves up and down. The film size detector 23 is provided in the book key body 11 and detects the size of the film supported by the cassette 13 and loaded into the book key body 11.

Specifically, a potentiometer is used, and this potentiometer is attached to the cassette 13. Since the cassette moves to a position corresponding to the film size, the film size is detected according to the output from a potentiometer corresponding to the amount of movement. The link switch 24 is the button key body 1
This is for driving the motor 4 of the X-ray tube holding device 1 in conjunction with the lifting and lowering of the lifting body 3 to move the lifting body 3 up and down. The lift position detector 22 and the film size detector 23 output signals to the comparison circuit 27 provided in the X-ray tube holding device 1, and the link switch 24 outputs signals to the gate circuit 2 provided in the X-ray tube holding device 1.
Outputs a signal to 8. Incidentally, the lift switch 21 and the link switch 24 are provided on the button body 11 or an appropriate operation section.

The X-ray tube holding device 1 is provided with an elevation position detector 26, a lamp switch 8, a comparison circuit 27', and a gate circuit 28. The vertical position detector 26 detects the position change accompanying the vertical movement of the holding unit 7. Specifically, a potentiometer is used. Know the elevation position by using the change. Comparison circuit 27 receives signals from lift position detector 22, film size detector 23, and lift position detector 26, performs a comparison operation, and outputs a signal to gate circuit 28 in accordance with the result. The gate circuit 28 operates upon receiving signals from the comparator circuit 27 and the riff switch 24, and outputs signals to the two drive circuits.

The drive circuit 29 drives and stops the motor 4 for lifting and lowering the holder. Note that the motor drive circuit 29 outputs a signal to the irradiation field lamp 9. Note 3
0 is a timer.

When performing an X-ray diagnosis using the X-ray diagnostic apparatus configured in this way, first the link switch 24 is turned on. The signal from link switch 24 is output to gate circuit 28 . Next, the lamp switch 8 provided in the holding unit 7 of the X-ray tube holding device 1 is turned on. As a result, the irradiation field lamp 9 is turned on for about 30 seconds by a timer (not shown) provided in the lighting circuit of the irradiation field lamp 9.

Next, the subject is placed on the gun body 11 of the gun stand 2.
stand (or sit) in front of

Here, the operator is on the side of the Button key stand 2 and performs an operation to raise and lower the Button key body 11, and stops the Button key body 11 at a position corresponding to the part of the subject to be photographed. That is, the operator operates the lift switch 21 provided on the boot key stand 2 to send a signal to the drive circuit 25, and the drive circuit 25 drives the motor 12 to raise and lower the boot key body 11.

In conjunction with the vertical movement of the button key body 11 of the button key stand 2, the elevating body 3 of the X-ray tube holding device 1 also moves up and down in the same manner as the button key body 11, thereby lifting the holding unit 7, that is, the X-ray tube 5. It is stopped at a position corresponding to the main body 11. That is, a comparison circuit 27 receives a signal from an elevation position detector 22 provided on the Butkey main body 11 that moves up and down and a signal from an elevation position detector 26 provided on the X-ray tube holding device 1.
It receives the signal from 24 and outputs the signal to two drive circuits. The two drive circuits drive the motor 4 to raise and lower the elevating body 3. Further, the two drive circuits turn on the irradiation field lamp 9. At the same time, the timer operates for 30 seconds, and the irradiation field lamp 9 is turned off after 30 seconds.

Then, the switch 21 for raising and lowering the key stand 2 is turned off, and the drive circuit 25 stops driving the motor 12, thereby stopping the raising and lowering of the key body 11. As a result, the comparison circuit 27 which receives the signal from the elevation α position detector 22 provided on the Butkey body 11 and the signal from the elevation position detector 26 provided on the X-ray tube holding device 1 outputs a signal to the gate circuit 28. .

The gate circuit 28 receives the signal from the comparison circuit lZ and the signal from the link switch 24, and outputs the signal to the two drive circuits. The drive circuit 29 stops driving the motor 4.

During this time, the operator uses the buttkey stand 2 to check the relationship between the irradiation field of the light beam irradiated from the irradiation field lamp 9 of the X-ray tube holding device 1 toward the film loaded in the buttkey body 11 and the film, and Adjust accordingly.

Therefore, after the lifting and lowering of the butt key body 11 is completed, the work of checking the irradiation field using the light beam of the irradiation field lamp 9 is as follows.
This operation can be performed while the operator remains near the button key stand 2.

Further, when performing X-ray photography, a film of a predetermined size is used, and a cassette corresponding to the film size is loaded into the book key body 11 of the book key stand 2. When a film of a different size from the set size is used and a cassette corresponding to the film size is loaded into the book key body 11 of the book key stand 2, a film size detector provided on the book key body 11 outputs. Thereafter, the elevating body 3 moves up and down and the holding unit 7 moves up and down by the above-described operation. Also, at this time, the irradiation field lamp 9 is turned on. This allows the irradiation field to be adjusted according to the new film size.

FIG. 3 shows a case where a button table 14 is used as the photographing device. In FIG. 3, the same parts as in FIG. 2 are shown with the same reference numerals. In this case, the holding unit 7 of the X-ray tube holding device 1 is raised and lowered in accordance with the raising and lowering of the button table 14.

In this case, the operation is the same as in the embodiment described above.

[Effects of the Invention] As explained above, according to the X-ray diagnostic apparatus of the present invention, when an operation is performed to move the main body of the imaging apparatus, the X-ray tube holding device provided in the ceiling type The irradiation field lamp is turned on, and even after the operation of moving the main body of the imaging device is stopped, the field lamp continues to be turned on for a predetermined period of time, so it is useful when checking the X-ray irradiation field. ,
There is no need for the operator next to the imaging device to move from the imaging device to the X-ray tube holding device, and the operator can receive radiation from the irradiation field lamp installed on the X-ray tube holding device while remaining near the imaging device. The irradiation field can be confirmed using the light beam.

Therefore, the work of confirming the irradiation field can be performed easily and quickly, and the burden on the operator in the work of confirming the X-ray irradiation field can be reduced.

[Brief explanation of the drawing]

1 and 2 show an embodiment of the X-ray diagnostic device of the present invention, FIG. 1 is a block diagram showing the control system, FIG. 2 is a diagram showing the schematic configuration of the device, and FIG. 3 is a block diagram showing the control system. FIG. 3 is a diagram showing a schematic configuration of another embodiment. 1... X-ray tube holding device, 2... Butu key stand (
imaging device), 5... X-ray tube, 9... irradiation field lamp,
8... Lamp switch, 11... Butkey stand.

Claims (2)

[Claims] (1) Ceiling type X with an X-ray tube held on an elevating body installed on the ceiling
The X-ray tube holding device and the
The apparatus is equipped with an imaging device having a movable device body that holds a film that receives X-rays emitted from the ray tube, and the ceiling-type X-ray tube holding device is raised and lowered as the device body of the imaging device is moved. In an X-ray diagnostic apparatus of the type that moves the X-ray tube up and down in conjunction with the movement of the body, when the main body of the imaging device is moved, the ceiling-type X-ray An X-ray diagnostic device characterized by having a function of lighting an irradiation field lamp provided in a tube holding device. (2) The X-ray diagnostic apparatus according to claim 1, wherein the irradiation field lamp is turned on continuously for a predetermined period of time after stopping the operation of moving the main body of the imaging apparatus.