JP2011087746A - Mobile x-ray imaging device and server - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile X-ray imaging device including a body unit and an image processing unit separately which allows to exchange combination of the units quickly, and also to provide a server. <P>SOLUTION: The mobile X-ray imaging device includes a C arm body unit having an X-ray source and an X-ray detector and the image processing unit provided separately from the body unit and communicably connected to the body unit. The body unit and the image processing unit are each mounted on trucks. The image processing unit stores correction data and adjustment data for a plurality of assumed combinations of the body units and the image processing units. For example, when the body unit connected to an image processing unit is exchanged, correction data and adjustment data suitable for the combination are read from the stored correction data and the adjustment data and are used. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a movable X-ray imaging apparatus and a server that are separately provided with a main body unit that irradiates a subject with X-rays and an image processing unit, and are movable.

  Conventionally, as a medical X-ray imaging apparatus, there is a mobile X-ray imaging apparatus mainly used in an operating room or the like. The mobile X-ray imaging apparatus includes, for example, a main unit in which an X-ray source, an X-ray detector, and the like are arranged to face a substantially C-shaped arm (hereinafter referred to as a C arm), and an X measured on the main unit side. Based on the line detection signal, an image processing unit that generates an image is connected by a communication means such as a communication cable. Each unit is mounted on a carriage and can be moved around the operating room.

In such a mobile X-ray imaging apparatus, only one of the main unit and the image processing unit may become unusable due to some trouble. In such a case, it is necessary to recover quickly, especially during surgery.
Therefore, for example, in order to easily replace the X-ray detector and the image processing unit, a device provided with a connector in the X-ray detector and the image processing unit has been developed as disclosed in Patent Document 1, for example. According to this, since the X-ray detector and the image processing unit can be freely attached to and detached from the main body, replacement is facilitated.

JP 2007-535 A

  However, some X-ray imaging apparatuses having a structure as described in Patent Document 1 have a drip-proof structure like a surgical apparatus used in an operating room. In this case, it is difficult to replace the X-ray detector and the image processing unit. As an X-ray detector, FPD (Flat Panel Detector), I.I. I. Some use (Image Intensifier). I. Because of its heavy weight, replacement work was difficult.

  The present invention has been made in view of the above problems. In a mobile X-ray imaging apparatus in which a main unit and an image processing unit are configured separately and movable together, the main unit and the image processing unit are It is an object of the present invention to provide a mobile X-ray imaging apparatus and server that can be exchanged quickly.

  In order to achieve the above-described object, a first invention includes an X-ray source and an X-ray detector for detecting an X-ray detector irradiated from the X-ray source and transmitted through the subject. An image processing unit that is communicably connected to the unit and generates an image based on an X-ray detection signal detected by the X-ray detector. The image processing unit is connected to data holding means for holding in advance either one or both of correction data and adjustment data corresponding to a plurality of combinations of the main unit and the image processing unit that are assumed in advance. Acquisition means for acquiring either one or both of correction data and adjustment data corresponding to the main body unit from the data holding means. It is a device.

Here, the correction data is data for correcting properties peculiar to each X-ray detector. The correction data includes, for example, defect (pixel defect) correction data and gain correction data.
Further, the adjustment data is data for adjusting a characteristic peculiar to each entire mobile X-ray imaging apparatus. The adjustment data includes, for example, LUT (Look Up Table) data and gradation adjustment data.

  According to a second aspect of the present invention, an X-ray source and an X-ray detector that is irradiated from the X-ray source and detects an X-ray detector that detects the X-ray dose transmitted through the subject communicate with each other between the main unit and the main unit. An image processing unit that is connected to the image processing unit and generates an image based on an X-ray detection signal detected by the X-ray detector, the image processing unit comprising: Request means for transmitting an acquisition request for one or both of correction data and adjustment data applied in combination with a connected main unit to an external server, and the correction data transmitted from the server And an acquisition means for receiving adjustment data and making it usable in the mobile X-ray imaging apparatus.

  According to a third aspect of the present invention, there is provided an X-ray imaging apparatus comprising an X-ray source, a main body unit equipped with an X-ray detector that detects X-rays irradiated from the X-ray source and transmitted through the subject, and an image processing unit. The server is connected to be communicable with each other via a network, and the server is one of correction data and adjustment data corresponding to a plurality of combinations of the main unit and the image processing unit that are assumed in advance. Alternatively, a data holding unit that holds both of them in advance, and one or both of correction data and adjustment data held in the data holding unit in response to a request transmitted from the X-ray imaging apparatus, the request source X And a data supply means for transmitting to the line imaging apparatus.

  According to the present invention, in a mobile X-ray imaging apparatus in which the main unit and the image processing unit are configured separately and movable together, the mobile X-ray can quickly exchange the main unit and the image processing unit. An imaging device and a server can be provided.

1 is an overall configuration diagram of a mobile X-ray imaging apparatus 1 according to the present invention. Internal configuration diagram of mobile X-ray imaging apparatus 1 The figure explaining the data which the mobile X-ray imaging device 1 of 1st Embodiment hold | maintains The figure explaining the data which the mobile X-ray imaging device 10 of 2nd Embodiment hold | maintains Overall configuration diagram of a data supply system 100 according to the third embodiment

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[First Embodiment]
First, a mobile X-ray imaging apparatus 1 according to the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the mobile X-ray imaging apparatus 1 includes a main unit 2 and an image processing unit 3, and the main unit 2 and the image processing unit 3 are communicatively connected by a cable 5. The main unit 2 and the image processing unit 3 are mounted on movable bodies such as carts 27 and 35 and are movable.

  The main unit 2 includes an arm 24, a control unit 25, and a main body 26 that support an X-ray source 21, an X-ray diaphragm 22, and an X-ray detector 23 at opposing positions, and these are mounted on a carriage 27. .

  The arm 24 is, for example, a C-shaped arm, and the X-ray source 21 and the X-ray detector 23 are provided at opposing positions. The arm 24 has a main body 26 and a control unit 25 on the carriage 27 as a support, and is supported by a shaft 24a provided on the side of the support. The subject 6 is placed in the X-ray irradiation space by inserting the bed 4 on which the subject 6 is placed from the opened portion of the arm 24. In addition to the movement of the carriage 27, for example, the arm 24 can rotate about the shaft 24a and slide in the direction of the C-shaped arc, and the X-ray irradiation site and irradiation angle can be freely changed.

The cable 5 is a data transmission path for communicatively connecting the main unit 2 and the image processing unit 3, and transmits a control signal transmitted from the image processing unit 3 to the main unit 2 or transmitted from the main unit 2. X-ray detection signals or image data to be transmitted to the image processing unit 3. The cable 5 may be used as a power supply path from the image processing unit 3 to the main unit 2 in addition to a function as a data transmission path.
In order to accurately communicate medical data, the cable 5 is preferably wired, but may be wireless.

  As shown in FIG. 2, the X-ray source 21 includes an X-ray tube 210 and a high voltage generator 211, and a predetermined tube voltage and tube current from the high voltage generator 211 under the control of the controller 25 and the controller 31. Is applied to and supplied to the X-ray tube 210 to irradiate the subject 6 with X-rays. The X-ray tube 210 may include an X-ray filter that selectively transmits X-rays having specific energy.

  The X-ray diaphragm 22 has a plurality of X-ray shielding lead plates that shield the X-rays emitted from the X-ray source 21, and moves the position of each X-ray shielding lead plate, so Adjust the irradiation area. The operation of the X-ray diaphragm 22 is controlled by the control unit 25 and the control unit 31.

  The X-ray detector 23 is, for example, an FPD (flat panel detector) in which detection elements that combine a scintillator and a photodiode are arranged in a two-dimensional matrix, and an electrical signal corresponding to the intensity of the X-ray transmitted through the subject 6. Is converted into a digital signal and output as an X-ray detection signal. X-ray detector 23 replaces FPD with I.D. I. (Image Intensifier) and a CCD (Charge Coupled Device) camera may be combined.

  The control unit 25 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like. The control unit 25 controls the operation of each unit in the main unit 2 based on a control signal transmitted from the control unit 31 in the image processing unit 3. For example, the control unit 25 controls the high voltage generation unit 211 of the X-ray source 21 to irradiate the X-ray with the intensity according to the X-ray condition and sets the X-ray shielding lead plate of the X-ray diaphragm 22. The X-ray irradiation area is restricted by moving to the position. The control unit 25 controls communication with the image processing unit 3.

  The X-ray detection signal detected by the X-ray detector 23 is transmitted to the image processing unit 3 via the cable 5.

  The image processing unit 3 includes a control unit 31, an image processing unit 32, an X-ray detector control unit 33, a display unit 34, and an operation unit 37, which are mounted on a moving body such as a carriage 35.

The control unit 31 includes a CPU, ROM, RAM, and the like. The control unit 31 controls the image processing unit 32, the X-ray detector control unit 33, the display unit 34, and the operation unit 37 in the image processing unit 3, and for example, an X-ray condition setting process or the image processing unit 32. X-ray image generation processing, X-ray image display processing, and the like are executed.
In addition, the control unit 31 performs communication control with the main unit 2. Specifically, the control unit 31 controls the high voltage generation unit 211 and the X-ray diaphragm 22 of the X-ray source 21 by transmitting a predetermined control signal to the control unit 25 in the main unit 2.

  The X-ray detector control unit 33 collects X-ray detection signals detected by the X-ray detector 23 in the main unit 2 and characteristics of the collected X-ray detection signals depending on the individual X-ray detectors 23. Correction processing is performed to generate X-ray image data. This correction processing includes, for example, defect (pixel defect) correction processing and gain correction processing. The correction data used for this correction process is held in the storage area of the X-ray detector control unit 33.

  The image processing unit 32 acquires image data transmitted from the X-ray detector 23 of the main unit 2 and subjected to correction processing by the X-ray detector control unit 33. Adjustment processing for adjusting image characteristics depending on the entire mobile X-ray imaging apparatus 1 is performed. This adjustment processing includes, for example, processing such as LUT (Look Up Table) conversion processing and gradation processing. Adjustment data used for this adjustment processing is held in a storage area of the image processing unit 32. The image data subjected to the adjustment processing by the image processing unit 32 is stored in the image storage unit 36 and displayed on the display unit 34. Note that the image processing unit 32 may perform image processing such as image enlargement, reduction, or rotation in accordance with an instruction input from the operation unit 37 in addition to the above-described adjustment processing.

  The display unit 34 includes a display device such as a liquid crystal panel and a CRT monitor, and a logic circuit for executing display processing in cooperation with the display device, and is connected to the control unit 31. The display unit 34 displays an image output from the image processing unit 32 and various information handled by the control unit 31. The operation unit 37 includes, for example, an input device such as a keyboard, a mouse, and a numeric keypad, and various switch buttons. The operation unit 37 outputs various instructions and information input by the operator to the control unit 31. An operator uses the display unit 34 and the operation unit 37 to interactively operate the mobile X-ray imaging apparatus 1.

  In the mobile X-ray imaging apparatus 1 configured as described above, when any trouble occurs in either the main unit 2 or the image processing unit 3, the mobile X-ray imaging apparatus 1 of the present invention Replace the troubled unit with a normal unit and connect in a different combination from the original combination.

With reference to FIG. 3, the mobile X-ray imaging apparatus 1 of 1st Embodiment is demonstrated.
FIG. 3 illustrates a case where the main unit 2A is initially connected to a certain image processing unit 3, but is replaced with the main unit 2B.

In the image processing unit 3 of FIG. 3, the image processing unit 32 includes correction data D1 and adjustment data D2 corresponding to all the main unit 2 and the image processing unit 3 that are assumed to be combined in advance in the image processing unit 32. Remembered. Here, the correction data D _A 1, D _B 1 and the adjustment data D _A 2, D _B 2 corresponding to the two main unit 2A, 2B are simply stored in advance.

Further, it is assumed that the X-ray detectors 23A and 23B of the main body units 2A and 2B are respectively assigned unique identification numbers in advance.
The correction data D1 and the adjustment data D2 are stored in association with the identification number of the X-ray detector 23.
In this embodiment, the correction data D1 and the adjustment data D2 are stored in the storage area of the image processing unit 32 as a preferable example. However, the correction data is stored in a data storage area different from the image processing unit 32. D1 and adjustment data D2 may be stored. For example, the correction data D1 and the adjustment data D2 are stored in a storage medium readable by the control unit 31, and the data in the storage medium is read by a drive device or a port provided in the image processing unit 3. May be.

Note that it is desirable that the correction data D _A 1, D _B 1 and the adjustment data D _A 2, D _B 2 are periodically updated so that proper correction processing or adjustment processing can be performed at all times.

Next, the operation | movement at the time of replacement | exchange of the unit in the mobile X-ray imaging device 1 of 1st Embodiment is demonstrated.
The control unit 31 of the image processing unit 3 reads the identification number of the X-ray detector 23B from the main unit 2B connected at a predetermined timing, for example, when the cable 5 is connected to the main unit 2B.

The control unit 31 reads the correction data D _B 1 corresponding to the read identification number from the storage area of the image processing unit 32, downloads it to the X-ray detector control unit 33, and makes it usable.
In addition, the control unit 31 reads the adjustment data D _B 2 corresponding to the read identification number from the storage area of the image processing unit 32 and develops it in the image processing unit 32 so that it can be used.

Thereafter, the X-ray detector control unit 33 performs correction processing on the X-ray detection signal using the correction data D _B 1 corresponding to the X-ray detector 23 mounted on the main unit 2B, and converts the image data into the image data. Generate. The image processing unit 32 also reads out the adjustment data D _B 2 corresponding to the X-ray detector 23 mounted on the main unit 2B from the storage area, develops it in the image processing unit 32, and this adjustment data D _B 2. Use to adjust the image quality.

  As described above, the mobile X-ray imaging apparatus 1 according to the first embodiment includes correction data corresponding to the main unit 2 (X-ray detector 23) that is assumed to be combined in the image processing unit 3. D1 and adjustment data D2 are stored in advance in the storage area of the image processing unit 32. For example, the main unit 2 connected to the image processing unit 3 at the timing when the main unit 2 and the image processing unit 3 are connected. The correction data D1 corresponding to the connected X-ray detector 23 is read from the image processing unit 32 and can be used. Similarly, the device-specific adjustment data D2 corresponding to the connected X-ray detector 23 can be used.

For this reason, even when the combination of the main unit 2 and the image processing unit 3 is changed, it is not necessary to collect the correction data D1 and the adjustment data D2 again, and the units can be replaced quickly.
Further, since the apparatus can be freely combined, one image processing unit 3 can be reused by a plurality of main body units 2, and the equipment can be simplified. Furthermore, since correction data D1 and adjustment data D2 corresponding to the connected X-ray detector 23 can be automatically read out and used, it is possible to prevent a trouble of a combination error.

[Second Embodiment]
Next, the mobile X-ray imaging apparatus 10 according to the second embodiment will be described with reference to FIG.

  In the mobile X-ray imaging apparatus 10 of the second embodiment, the X-ray detector control unit 33 is provided on the main unit 2 side, and the X-ray detector 23 connected to the X-ray detector control unit 33 is connected to the X-ray detector 23. Corresponding correction data D1 is stored in the X-ray detector controller 33. As for the adjustment data D2, as in the first embodiment, adjustment data D2 corresponding to all X-ray detectors 23 that may be combined is stored in the storage area in the image processing unit 3.

4, as in FIG. 3, the correction data corresponding to the X-ray detector 23A provided in the main unit 2A is D _A 1, the adjustment data is D _A 2, and the X-ray detector provided in the main unit 2B. The correction data corresponding to 23B is D _B 1 and the adjustment data is D _B 2.

In the second embodiment, the X-ray detector controller 33A of the main unit 2A, the correction data D _{A 1} is stored, in the X-ray detector controller 33B of the main body unit 2B, the correction data D _B 1 Is remembered. The image processing unit 33 of the image processing unit 3 stores adjustment data D _A 2 and D _B 2 corresponding to the X-ray detectors 23A and 23B provided in the main body units 2A and 2B.

  In the mobile X-ray imaging apparatus 10 of the second embodiment configured as described above, when the combination of units is changed, the control of the image processing unit 3 is performed as in the first embodiment. The unit 31 reads the identification number of the X-ray detector 23B of the main unit 2B at a predetermined timing, for example, when the cable 5 is connected to the main unit 2B.

The control unit 31 reads out the adjustment data D _B 2 corresponding to the read identification number from the storage area of the image processing unit 32 and makes it usable in the image processing unit 32.

In the example of FIG. 4, the X-ray detector control unit 33B is provided on the main unit 2B side, and correction data D _B 1 for the corresponding X-ray detector 23 is stored in advance. Therefore, the X-ray detector control unit 33B uses the correction data D _B 1 to perform correction processing on the X-ray detection signal to generate image data, and performs correction processing on the image processing unit 3 via the cable 5. The subsequent image data is transmitted.
When the image processing unit 33 receives image data from the main unit 2B, the image processing unit 33 performs image quality adjustment processing using the adjustment data D _B 2 that can be used.

  As described above, according to the mobile X-ray imaging apparatus 10 of the second embodiment, the X-ray detector control unit 33 is incorporated in the main unit 2 and the X-ray detector control unit 33 detects the X-rays. The correction data D1 corresponding to the device 32 is stored. The image processing unit 32 of the image processing unit 3 holds a plurality of adjustment data D2 corresponding to the X-ray detectors 23 of all the main body units 2 that may be combined.

  For this reason, even when the combination of the main unit 2 and the image processing unit 3 is changed, it is not necessary to collect the adjustment data D2 again, and the units can be replaced quickly. In the second embodiment, since the correction data D1 is held for each X-ray detector 23 on the main unit 2 side, there is no need to download it again when the combination of units is changed, and the correction data D1 of the first embodiment is not necessary. In addition to the effects, only the adjustment data D2 needs to be downloaded. Therefore, the data held by the image processing unit 3 can be simplified.

  In the second embodiment, the X-ray detector control unit 33 is configured separately from the X-ray detector 23. However, the X-ray detector control unit 33 is incorporated in the X-ray detector 23 and integrated. You may make it comprise. In this case as well, correction data D1 unique to the X-ray detector 23 is held in the X-ray detector 23 (X-ray detector control unit 33), and the same effect as described above can be obtained. it can.

[Third Embodiment]
Next, in the third embodiment, a data supply system 100 will be described with reference to FIG.

The data supply system 100 has a configuration in which the mobile X-ray imaging apparatus 1 having the same configuration as that of the first embodiment and a server 9 are communicatively connected via a network 8.
Here, as shown in FIG. 5, an example in which the image processing unit 3 of the mobile X-ray imaging apparatus 1 is communicatively connected to the server 9 is shown. In FIG. 5, one image processing unit 3 is connected to the server 9, but the number of the image processing units 3 and the main unit 2 may be plural.

  The server 9 is configured by a computer, for example, and a control unit, a storage unit, a communication control unit, an input unit, a display unit, and the like are connected via a bus.

  The control unit of the server 9 includes a CPU, a ROM, a RAM, and the like. The CPU calls and executes a program stored in a storage unit, a ROM, a recording medium, or the like in a work memory area on the RAM, and drives and controls each device connected via the bus. The ROM is a non-volatile memory and permanently holds a computer boot program, a program such as BIOS, data, and the like. The RAM is a volatile memory, and temporarily holds a program, data, and the like loaded from a storage unit, a ROM, a recording medium, and the like, and includes a work area used by the control unit to perform various processes.

  The storage unit of the server 9 is an HDD (hard disk drive), and stores a program executed by the control unit of the server 9, data necessary for program execution, and the like. As for the program, a control program corresponding to the OS and an application program are stored. Each of these program codes is read as necessary by the control unit, transferred to the RAM, read by the CPU, and executed as various means.

  The communication control unit includes a communication control device, a communication port, and the like, and is a communication interface that mediates communication between the computer and the network 8, and communicates with the mobile X-ray imaging apparatus 1 and other computers via the network 8. Perform communication control. The input unit inputs data and includes, for example, a keyboard, a pointing device such as a mouse, and an input device such as a numeric keypad. The display unit includes a display device such as a CRT monitor and a liquid crystal panel, and a logic circuit for realizing a video function of the computer in cooperation with the display device.

  The network 8 includes various networks such as a LAN (Local Area Network), a WAN (Wide Area Network), or the Internet. For example, the server 9 is installed in a hospital and is connected to various medical devices including the mobile X-ray imaging apparatus 1 connected via the network 8. The server 9 may be configured to be communicably connected to a server operated by the manufacturer of the mobile X-ray imaging apparatus 1 or the server.

The server 9 holds correction data D1 and adjustment data D2 corresponding to all the main unit 2 and image processing unit 3 that are assumed to be combined in the storage unit. Then, in response to a request from the image processing unit 3, the control unit of the server 9 reads out appropriate correction data D1 and adjustment data D2 from the storage unit, and transmits them to the requesting image processing unit 3 via the network 8. .
The image processing unit 3 downloads appropriate correction data D1 and adjustment data D2 corresponding to the X-ray detector 23 of the connected main unit 2 from the server 2, and the image processing unit 32 or the X-ray detector control unit 33. Make it available at

In FIG. 5, correction data D _A 1 and adjustment data D _A 2 corresponding to the X-ray detector 23A provided in the main unit 2A, and correction data corresponding to the X-ray detector 23B provided in the main unit 2B are D. _B 1 and adjustment data D _B 2 are stored in the storage unit of the server 9.

When the main body unit 2B is connected, the control unit 31 of the image processing unit 3 reads the identification number of the main body unit 2B or the X-ray detector 23B and reads the connected X-ray detector 2B or X-ray detector 23B. recognize. Thereafter, the control unit 31 accesses the server 9 and transmits a download request for the correction data D _B 1 and the adjustment data D _B 2 corresponding to the connected main unit 2B. The control unit of the server 9 reads the correction data D _B 1 and the adjustment data D _B 2 from the storage unit in response to the request, and transmits them to the image processing unit 3 that is the request source. The control unit 31 of the image processing unit 3 sends the received correction data D _B 1 to the X-ray detector control unit 33 to be usable, and sends the received adjustment data D _B 2 to the image processing unit 32 for use. Make it possible.

  As described above, according to the data supply system 100 of the third embodiment, there is a possibility that the mobile X-ray imaging apparatus 1 can be combined in the server 9 capable of communication connection with, for example, the image processing unit 3. It holds correction data D1 and adjustment data D2 used by all the main unit 2 and image processing unit 3. When the server 9 receives a download request for the correction data D1 and the adjustment data D2 from the mobile X-ray imaging apparatus 1 connected via communication, the server 9 transmits appropriate correction data D1 and adjustment data D2.

For this reason, all correction data D1 and adjustment data D2 that can be combined are centrally managed by the server 9. Therefore, the mobile X-ray imaging apparatus 1 stores these correction data D1 and adjustment data D2. Maintenance management becomes easy.
For example, even when a new device is added and correction data D1 and adjustment data D2 are added, or when correction data D1 and adjustment data D2 of an existing device are updated, data to be added or updated is stored only in the server 9. Data can be managed efficiently because it only needs to be added or updated.

  The preferred embodiments of the mobile X-ray imaging apparatus and server according to the present invention have been described above, but the present invention is not limited to the above-described embodiments. For example, in the data supply system 100 of FIG. 5, the server provided by the X-ray detector control unit 33 on the main unit 2 side as in the mobile X-ray imaging apparatus 10 of the second embodiment shown in FIG. 9, correction data D1 unique to the X-ray detector 23 is held in the X-ray detector control unit 33, and only the adjustment data D2 is imaged from the server 9 of the third embodiment. You may make it download to the image process part 32 of the processing unit 3. FIG.

Moreover, although the recognition of the X-ray detector 23 of the main body unit 2 in the image processing unit 3 is performed based on the identification number given in advance to the main body unit 2 or the X-ray detector 23, for example, the image is transmitted wirelessly. When the processing unit 3 and the main unit 2 are connected, the main unit 2 within the communicable range on the image processing unit 3 side is further searched, and these are displayed as a list on the display unit 34, and the operator's operation The main unit 2 to be connected may be determined by Further, the image processing unit 3 may be provided with an infrared communication unit so that the main body unit 2 close to the image processing unit 3 is recognized as being combined with the image processing unit 3. In this case, erroneous recognition with the main unit 2 in another operating room or the like separated by a wall can be prevented.
In addition, it is obvious that those skilled in the art can arrive at various changes or modifications within the scope of the technical idea disclosed in the present application, and these naturally belong to the technical scope of the present invention. It is understood.

DESCRIPTION OF SYMBOLS 1 ... Mobile X-ray imaging apparatus 2 ... Main unit 21 ... X-ray source 22 ... X-ray diaphragm 23 ... X-ray detector 24 ... Arm 24a ... Axis 25 ... Control unit 26 ... Main body 27 ... Dolly 3 ... Image processing unit 31 ... Control unit 32 ... Image processing unit 33 ...・ X-ray detector control unit 34... Display unit 35... Monitor trolley 36... Image storage unit 37 ... operation unit 4 ... bed 5 ... cable 6 ... Subject 8 ... Network 9 ... Server 10 ... Mobile X-ray imaging device (second embodiment)
100: Data supply system D1, D _A 1, D _B 1: Correction data D2, D _A 2, D _B 2: Adjustment data

Claims (4)

An X-ray source and a main unit in which an X-ray detector that detects X-rays irradiated from the X-ray source and transmitted through the subject is mounted on the moving body;
A mobile X-ray imaging apparatus comprising: an image processing unit that is connected to the main unit so as to be communicable with each other and generates an image based on an X-ray detection signal detected by the X-ray detector. Because
The image processing unit includes:
Data holding means for holding in advance either one or both of correction data and adjustment data corresponding to a plurality of combinations of the main unit and the image processing unit assumed in advance;
An acquisition means for acquiring one or both of correction data and adjustment data corresponding to the connected main unit from the data holding means;
A mobile X-ray imaging apparatus comprising:   When the main unit holds correction data corresponding to the X-ray detector and corrects an X-ray detection signal output from the X-ray detector based on the correction data, the data holding means The mobile X-ray imaging apparatus according to claim 1, wherein the adjustment data corresponding to a plurality of combinations of a main unit and the image processing unit is held. An X-ray source and a main unit in which an X-ray detector that detects X-rays irradiated from the X-ray source and transmitted through the subject is mounted on the moving body;
A mobile X-ray imaging apparatus comprising: an image processing unit that is connected to the main unit so as to communicate with each other and that generates an image based on an X-ray detection signal detected by the X-ray detector. Because
The image processing unit includes:
Request means for transmitting an acquisition request for one or both of correction data and adjustment data applied in combination with the connected main unit to an external server;
Receiving means for receiving the correction data and the adjustment data transmitted from the server and making the mobile X-ray imaging apparatus usable;
A mobile X-ray imaging apparatus comprising: An X-ray imaging apparatus composed of an X-ray source and a main body unit equipped with an X-ray detector that detects X-rays irradiated from the X-ray source and transmitted through the subject, and an image processing unit, and each other via a network A communicatively connected server comprising:
The server includes data holding means for holding in advance either one or both of correction data and adjustment data corresponding to a plurality of combinations of the main unit and the image processing unit that are assumed in advance;
Data supply means for transmitting one or both of correction data and adjustment data held in the data holding means to the requesting X-ray imaging apparatus in response to a request transmitted from the X-ray imaging apparatus When,
A server comprising:

Images