JPH0524917Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention relates to an X-ray film imaging device, and is particularly suitable for checking the operation of taking out unexposed film, feeding, and quick copying, and removing and storing photographed film. The present invention relates to a technique for an X-ray photographic device suitable for use in

[Conventional technology]

The X-ray film photographing device is composed of a fluoroscopic photographing device equipped with an X-ray tube device and an X-ray imaging device, a control device (hereinafter referred to as an operation panel) for controlling the device, and an X-ray high voltage device and its control device. Many of the fluoroscopic photographing devices are equipped with a cassette type X-ray instantaneous photographing device.

The cassetteless type X-ray speed copying device takes out only one sheet of unexposed film from a large number of sheets loaded in a supply magazine, sends it to a film adhesion device equipped with an intensifying screen located in the standby supply area for shooting, and sends it to the film adhering device equipped with an intensifying screen. After the film is in close contact with the film, the film contact device is moved to the photographing position and X-rays are irradiated, and after the photograph is taken, the film contact device is returned to the photographing standby position and the film is stored in the storage magazine. These operations are controlled by operating various operating devices provided on the operation panel.

[The problem that the idea aims to solve]

In diagnostic methods using X-rays, taking into account the influence of X-rays on the subject, it is necessary to minimize imaging errors, and the equipment is precisely assembled and adjusted. However, it is impossible to eliminate problems caused by operational problems by customers, changes in film conditions due to changes in the usage environment, and problems caused by deterioration in the performance of the device itself. When such troubles occur, the best way is to reproduce the conditions close to the actual usage conditions and investigate the cause.To do this, it is necessary to inspect the internal film from an opening like an inspection window near the equipment. It is preferable that the conveyance status can be observed, and that operations for this purpose can also be performed near the apparatus. However, the conventional apparatus has been operated using a control panel or a nearby control panel, and it has been difficult to operate the device while observing the film transport status. There was a problem in that the observer was exposed to X-rays when operating the control panel. In addition, in order to avoid X-ray exposure, it is necessary to modify the circuit of the X-ray control device, or operate the quick-shooting operation device on the operation panel to move the film adhesion device from the photography standby position to the photography position, and then operate the Immediately release the device and return the film adhesion device by operating a separate operator (return switch; simulated X-ray emission end signal output switch) from the quick-shooting operator without emitting X-rays However, there were problems such as requiring the joint work of two people, one operating the film transport and the other observing the snapshot device.

The purpose of the present invention is to improve the above-mentioned drawbacks,
An object of the present invention is to provide an X-ray film photographing device in which the operation of the snapshot device can be easily and safely checked.

[Means to solve the problem]

In order to achieve the above object, the present invention takes out an X-ray film from a supply magazine, feeds it to a film adhesion device equipped with an intensifying screen located at a shooting standby position, and then operates a quick-shot shooting operation device provided on an operation panel. A series of films in which the film adhesion device is operated to move to an imaging position, and after X-ray imaging, the film adhesion device is returned to the imaging standby position and the photographed film is removed from the film adhesion and stored in a storage magazine. An X-ray film photographing device that performs transport operations, which is provided with an inspection port for observing film transport operations, and is also provided with test snapshot means that enables the series of film transport operations without executing X-ray radiation. It is.

[Effect]

The film transport operation in a cassette telephoto X-ray film imaging device consists of taking out (unphotographed) film from the supply magazine and feeding it to the film adhering device, and moving the film adhering device back and forth between the imaging standby position and the imaging position. There are three types of operations: the operation of taking out the photographed film from the film adhering device and storing it in the storage magazine.

Among these operations, movement of the film adhering device between the imaging standby position and the imaging position is performed by operating the quick-shooting operation device, but in order to return the film adhering device from the imaging device, the X-ray emission end signal or the return Requires switch signal. Therefore, the operation of the quick-shooting operation device accompanies X-ray radiation.

Even when the test snapshot photographing means provided in the present invention is operated, its output is not outputted to the X-ray control section, so that X-ray emission is not performed. When the film adhesion device reaches the imaging position, a signal (return signal) for returning the film adhesion device to the imaging standby position, that is, a simulated X-ray emission end signal is output.

Since the X-ray film imaging device is equipped with an inspection port for observing the film transport operation, inspection work can be done by one person by operating the test photographing means while observing the internal film transport state. It becomes possible.

〔Example〕

FIG. 1 is a block diagram showing a schematic configuration of a snapshot device for explaining an embodiment of the present invention. 1 shows the external appearance of the snapshot device, and the X-ray film 2 is inside.
A film adhering device 3 is provided which holds the film and moves between a photographing standby position and a photographing position. Reference numeral 4 refers to a reversibly rotatable motor that supplies driving force to move the film adhesion device 3, and a chain wheel 5a is connected to the output shaft of the motor 4, which is connected to a chain wheel 5b provided outside the movement range of the film adhesion device 3 and a chain 6. Power is thereby transmitted to the film adhesion device 3. Reference numeral 7 denotes a drive control section for the motor 4, which includes a circuit for generating a simulated X-ray emission end signal from a detection signal indicating that the film adhesion device 3 has reached the photographing position. Reference numeral 8 denotes an input section for receiving signals from the quick-shooting operation device 10 on the operation panel and the test quick-shooting operation device 9 provided to the quick-shooting device 1. 11 is an X-ray control section. Reference numeral 12 represents a supply magazine into which unphotographed film is inserted, and numeral 13 represents a storage magazine into which photographed film is stored. In addition, 14
is an inspection port for observing the film transport section from the outside.

FIG. 2 is a logic circuit that simply shows the inside of the input section 8. When the quick-shot imaging operation device 10 is operated, a signal is output to the X-ray control section 11 and the drive control section 7, and a test quick-shot shooting operation is performed. When the operating device 9 is operated, a signal is output only to the drive control section 7, no signal is output to the X-ray control section 11, and X-ray emission is not executed.

Next, the operation of the embodiment will be explained using FIGS. 1 and 2. The operator turns on the power to the operation panel and operates a switch provided on the panel surface to command the start of taking out the film, thereby taking out the film from the supply magazine 12 and feeding it to the film adhering device 3. When the film and the intensifying screen are brought into close contact with each other by the film contact device 3, an indicator light (not shown) indicating that photographing preparation is complete is lit. When the test quick-shot shooting operation device 9 is operated in this state, the output signal from the test quick-shot shooting operation device 9 is outputted only to the drive control section 7. Then, the motor 4 rotates in a direction to move the film adhering device 3 to the photographing position. As a result, the film adhering device 3 moves from the standby position to the photographing position, and when it is detected that the film adhering device 3 has reached the photographing position, the drive control section 7 uses the detection signal to generate a simulated
A line radiation end signal, that is, a signal for returning the film adhering device 3 to the photographing standby position is generated. As a result, the film adhesion device 3 returns to the standby position again without emitting X-rays, and the film is automatically replaced. That is, the film removed from the film adhering device 3 is sent to the storage magazine 13, and a new film is fed from the supply magazine 12 to the film adhering device 3. Thereafter, the transport status of the film can be observed only by operating the test snapshot operation device 9.

According to this embodiment, after the film is first fed to the film adhesion device, one person operates the test quick-shooting operation device while observing the inside through the inspection port provided in the quick-shooting device. This has the effect of making it possible to check the operation.

In the above-mentioned embodiment, the test quick-shooting operation device is provided in the quick-shooting device, but it may also be provided in the main body of the fluoroscopic shooting device, taking into account the arrangement of the inspection port and the like.

[Effect of idea]

As described above, according to the present invention, by using the test snapshot photographing means, it is possible to reproduce the same film transport conditions as under actual usage conditions without emitting X-rays while observing the interior through the inspection port. Therefore, it is possible to easily and safely check the operation of the snapshot device.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing a schematic configuration of a snapshot photographing device, and FIG. 2 is a schematic configuration diagram of a logic circuit of an input section. DESCRIPTION OF SYMBOLS 1...Snapshot device, 4...Motor, 7...Drive control section, 8...Input section, 9...Snapshot shooting operation device for test, 14...Inspection port.

Claims (1)

[Scope of utility model registration request] The X-ray film is taken out from the supply magazine, fed to a film adhesion device equipped with an intensifying screen located at the imaging standby position, and the film adhesion device is moved to the imaging position by operating a quick-shooting operation device provided on the operation panel. In an X-ray film photographing apparatus, the X-ray film photographing apparatus moves, returns the film contact device to the photographing standby position after X-ray imaging, moves the photographed film out of the film contact device, and performs a series of film transport operations to store the photographed film in a storage magazine. 1. An X-ray film photographing apparatus, characterized in that it is provided with an inspection port for observing film conveyance operations, and is equipped with a test snapshot photographing means which enables the series of film conveyance operations without emitting X-rays.