WO2006008979A1 - 放射線画像検出器及び放射線画像撮影システム - Google Patents
放射線画像検出器及び放射線画像撮影システム Download PDFInfo
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- WO2006008979A1 WO2006008979A1 PCT/JP2005/012589 JP2005012589W WO2006008979A1 WO 2006008979 A1 WO2006008979 A1 WO 2006008979A1 JP 2005012589 W JP2005012589 W JP 2005012589W WO 2006008979 A1 WO2006008979 A1 WO 2006008979A1
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- image data
- radiation image
- radiation
- image detector
- radiographic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
Definitions
- the present invention relates to a radiographic image detector that detects a radiographic image typified by an X-ray image and a radiographic image capturing system that captures a radiographic image using the radiographic image detector.
- a force set type FPD is provided with a transmission unit that transmits image signals to external devices, and radiographic image information detected by the FPD is wirelessly transmitted. It has been proposed to send it to an image processing apparatus by a method (see, for example, Patent Document 2).
- a force set type FPD is provided with a wireless module for communicating with the system control unit and a connector connectable with a cable, and is communicating with a power cable communicating with the wireless module, or It has also been proposed to detect and display whether both are connected (for example, see Patent Document 3).
- Patent Document 1 Japanese Patent Laid-Open No. 6-342099
- Patent Document 2 JP-A-7-140255
- Patent Document 3 Japanese Patent Application Laid-Open No. 2004-173907 Disclosure of the invention
- the present invention has been made to solve the above-described problems, and can be safely performed for a patient wearing a medical device such as a pacemaker while maintaining the degree of freedom of the system configuration.
- a radiological image detector that can take radiographic images and can respond immediately by other means even when trouble occurs in one of the means for transmitting radiographic image information. The purpose is to provide a radiographic imaging system.
- the radiological image detector includes radiological image acquisition means for detecting irradiated radiation and acquiring radiographic image data;
- a communication unit that transmits the radiation image data to an external device
- the storage means for storing the radiation image data can be detachably held, and the storage means mounting section includes a storage means mounting portion for storing the radiation image data acquired by the radiation image acquisition means,
- the radiation image data is transmitted from the communication unit or transmitted by the storage means.
- the control unit switches whether to transmit the image data of the radiation image to the external device based on the selection result.
- the communication unit communicates by a wireless method.
- the wireless system is based on microwaves or light.
- connection terminal that is directly or indirectly connected to an external device and connected to a cable that transmits radiation image data.
- connection terminal that is directly or indirectly connected to an external device and connected to a cradle that transmits radiation image data.
- control unit transmits the radiation image data from the connection terminal when the cable or the cradle is attached to the connection terminal.
- a switching switch for switching at least whether the radiographic image data is transmitted from the communication unit or transmitted by the storage unit is provided, and the control unit is configured to switch the radiation according to switching of the switching switch. It is preferable that the image data of the image is also transmitted by the communication unit and the storage means.
- the control unit It is preferable to transmit the image data of the radiation image to the communication unit and the storage means.
- an image memory for storing the radiation image data is provided.
- the radiation detector be a flat panel detector (FPD) that detects irradiated radiation, converts the radiation into an electrical signal, and acquires the radiation image data.
- FPD flat panel detector
- an internal power supply for supplying power to at least the radiation image acquisition unit and the control unit is provided.
- the radiographic imaging system includes a radiographic image acquisition unit that detects irradiated radiation and acquires radiographic image data, and the radiographic image to an external device.
- a communication unit that transmits image data and a storage unit that stores the radiation image data can be detachably held.
- the attached storage unit stores the radiation image data acquired by the radiation image acquisition unit.
- a storage means mounting portion A control unit that selects whether the radiation image data is transmitted from the communication unit or transmitted by the storage unit, and the control unit receives the image data of the radiation image based on the result of the selection.
- a radiation image detector for switching a transmission method to the external device;
- the console includes a communication unit that communicates with an external device, and is connected to either a communication unit provided in the radiation image detector or a storage unit that is detachably held in a storage unit mounting unit. Radiographic image data is received.
- a radio repeater that relays the radio signal transmitted and received between the communication unit of the radiation image detector and the communication unit of the console is provided.
- a plurality of radiographing rooms in which the radiation image detector and the wireless repeater are arranged are provided, and the plurality of wireless repeaters and the plurality of consoles are connected via a network.
- the radiological image detector uses a method performed by a communication unit as means for sending image data of a radiographic image to an external device, and a radiographic image that is detachably attached.
- the control unit can select and switch between the method performed by the communication unit and the method performed by the storage unit to send the radiographic image data. As a result, the degree of freedom in system configuration can be increased.
- the method is performed by a communication unit, wireless or wired communication is possible.
- wireless communication the portability of the radiation image detector is improved and the handling property is remarkably excellent.
- a method of sending radiation image data to an external device is selected by removing the storage means from the radiation image detector and attaching it to an external device, it will not generate harmful electromagnetic waves. It is safe to take a picture of a patient who is taking it.
- the degree of freedom in system configuration is improved, and a method that meets the needs of each patient can be easily selected, thereby ensuring safety.
- the radiation image data can be sent to an external device using a storage means, for example, in the X-ray room.
- radiographic image data can be sent quickly and smoothly by communication, so that both productivity can be achieved.
- the radiation image detector since it is not necessary to connect a cable or the like to the radiation image detector, the radiation image detector can be easily carried or the cables are not tangled. Easy to do. In addition, there is no hindrance when setting the radiation image detector, and the imaging preparation operation can be performed smoothly.
- large-capacity radiation image data can be transmitted efficiently at high speed, and the total imaging efficiency is improved.
- the radiation image detector can be connected to an external device via a cable attached to the connection terminal, and the image data of the radiation image can be sent by a wired method.
- This also has the effect of being able to take images safely even when taking a picture of a patient.
- the wired system using cables, etc. can send a large amount of information more quickly than the wireless system, and you can display the shooting results on an external device immediately, or you can display a movie or multiple images. It is possible to respond easily and quickly when sending.
- the image data of the radiation image can be sent to the external device by mounting the radiation image detector on the cradle, the image data of the radiation image can be transmitted with a simple operation.
- the transmission method of the image data of the radiation image can be switched to the wired method via the cable.
- Switching to the wired system can be performed easily and reliably, and even when a patient wearing a medical device such as a pacemaker is photographed, it can be safely photographed.
- even if there is a problem with wireless transmission it is possible to respond by switching to the wired system immediately, and it is possible to perform continuous shooting operations quickly.
- the transmission method of the image data of the radiation image can be switched among a plurality of methods. For this reason, it is possible to increase the degree of freedom in system configuration by selecting a wireless system, and transmit radiation image data by removing the storage means from the radiation image detector and attaching it to an external device. Switching to this method does not generate harmful electromagnetic waves, so it can be safely taken even when imaging a patient wearing a medical device such as a pacemaker.
- a plurality of transmission means in this way, it is possible to easily select a transmission method that meets the needs of each patient and to ensure safety, etc., and even when one transmission means is inconvenient. It is possible to respond immediately by another means, and it is possible to perform continuous shooting operations quickly.
- the radiological image detector can switch the radiographic image data transmission method among a plurality of methods in accordance with a signal sent from an external device. It is possible to increase the degree of freedom, and pacemakers and the like will not generate harmful electromagnetic waves if switched to a method that transmits radiation image data by removing the storage means from the radiation image detector and attaching it to an external device. It is safe to take a picture of a patient who wears a medical device.
- By having a plurality of transmission means in this way it is possible to easily select a transmission method that meets the needs of each patient and ensure safety, etc., and even if a single transmission means is inconvenient. It is possible to respond immediately by another means, and it is possible to perform continuous shooting operations quickly.
- the image data of the detected radiation image can be temporarily stored in the image memory, it is not necessary to send it to an external device immediately after detection of the image data of the radiation image. For this reason, there is no need to always connect a cable for sending radiographic image data to an external device to the radiographic image detector, and the degree of freedom in handling the radiographic image detector is improved. Up. In addition, it is necessary to send the image data of the radiographic image to the external device after taking multiple times after the radiographic image data is detected. Can be done. Furthermore, even if the transmission error occurs and the image data cannot be transmitted, the image data is stored in the image memory, so that it can be transmitted again by other transmission means.
- the radiological image detector is an FPD
- the radiographic image can be read quickly, and the method for transmitting the image data is not limited to the wireless method, and the storage means is connected to the radiographic image detector. It is also possible to send radiation image data by removing it and attaching it to an external device, so it is easy to carry and handle, and the degree of freedom in system configuration is improved.
- the radiographic imaging system has a plurality of transmission methods as the transmission method of the image data of the detected radiation image, and these transmission methods can be switched as appropriate.
- the image data of the radiation image is sent to the S console. For this reason, it is possible to increase the degree of freedom in system configuration by selecting a wireless method, and a method for transmitting radiation image data by removing the storage means from the radiation image detector and attaching it to an external device. Since no harmful electromagnetic waves are generated by switching to, it is possible to shoot safely even when taking a picture of a patient wearing a medical device such as a pacemaker.
- wireless communication is performed via a wireless repeater, the radiation image detector power is not required to be directly communicated with a console that is often installed in a separate room from the radiation image detector. A large amount of radiation image data can be transmitted more quickly and efficiently, and the total imaging efficiency is further improved.
- wireless communication can be performed via a wireless repeater, so that large-capacity radiation image data can be transmitted more efficiently and at a higher speed. The shooting efficiency is improved.
- FIG. 1 is a diagram showing a schematic configuration of a first embodiment of a radiographic imaging system to which the present invention is applied.
- FIG. 2 is a block diagram showing a main configuration of a radiographic image detector constituting the radiographic image capturing system of FIG.
- FIG. 3 is a perspective view showing a schematic configuration of the radiation image detector of FIG. 2.
- FIG. 4 is a block diagram showing a main part configuration of a console constituting the radiographic image capturing system of FIG. 1.
- FIG. 5 is a flowchart illustrating processing for selecting a radiographic image information transmission method in the first embodiment.
- FIG. 6 is a perspective view showing a schematic configuration of a modified example of the radiation image detector according to the first embodiment.
- FIG. 7 is a block diagram showing a main configuration of a radiographic image detector constituting the radiographic image capturing system of the second embodiment.
- FIG. 8 is a block diagram showing a main configuration of a radiographic image detector constituting the radiographic image capturing system of the third embodiment.
- FIG. 9 is a diagram showing a schematic configuration of a fourth embodiment of a radiographic imaging system to which the present invention is applied.
- FIGS. 1 to 5 a first embodiment of a radiographic image detector and a radiographic imaging system according to the present invention will be described with reference to FIGS. 1 to 5.
- FIG. 1 is a diagram showing a schematic configuration of a first embodiment of a radiographic imaging system to which a radiographic image detector according to the present invention is applied.
- the radiographic imaging system includes an imaging operation device 1 that performs operations related to radiographic imaging, and a wireless LAN (Local Area Network), for example.
- an imaging operation device 1 that performs operations related to radiographic imaging
- a wireless LAN Local Area Network
- a console 4 that performs image processing of the radiation image detected by 3 is connected through a network 40.
- a radiation source 7 is connected to the imaging operation device 1 via a cable 5 for irradiating the patient 30 with radiation and capturing a radiation image.
- the network 40 may be a communication line dedicated to the system.
- the network 40 may be an existing line such as Ethernet (registered trademark) because of a low degree of freedom in the system configuration. Some are preferred.
- a server (not shown) for managing information related to radiographic imaging such as information on the patient 30 and imaging conditions and the like is connected to the network 40!
- the imaging operation device 1 includes an operation panel including an input operation unit 8 for inputting instructions from the user, a display unit 9 for displaying input numerical values, and the like, and a power source for supplying power to the radiation source 7.
- an operation panel including an input operation unit 8 for inputting instructions from the user, a display unit 9 for displaying input numerical values, and the like, and a power source for supplying power to the radiation source 7.
- the tube voltage is applied to the radiation source 7 and the tube current is applied to the patient 30. Is irradiated.
- a bed 10 on which the patient 30 is placed is provided below the radiation source 7 and in the radiation irradiation range, and the patient 30 is placed on the bed 10 when the patient 30 is placed.
- a radiation image detector 3 that reads radiation and detects a radiation image is disposed at a position corresponding to the imaging region.
- the position where the radiation image detector 3 is disposed is not limited to between the patient 30 and the bed 10.
- a detector mounting port (not shown) for mounting the radiation image detector 3 is provided below the bed 10. Install it so that the radiation image detector 3 is installed in this detector mounting port.
- FIG. 2 is a block diagram showing a schematic configuration of the radiation image detector 3.
- the radiation image detector 3 is, for example, a force set flat panel detector (FPD), and as shown in FIG. 2, a control unit 12 that controls each unit and a radiation detector that detects radiation and acquires radiation image data. And a plane detector 13 as a ray image acquisition means.
- FPD force set flat panel detector
- the control unit 12 is configured by, for example, a CPU (Central Processing Unit) and the like, and is stored in the ROM 14.
- the stored predetermined program is read out and expanded in the work area of the RAM 15, and various processes are executed according to the program.
- Various types of imaging information, operator IDs, and the like are sent to the control unit 12 via the network 40, and the control unit 12 transmits the acquired image data and these pieces of information in association with each other to the console 4.
- the plane detection unit 13 detects, based on the intensity, radiation that has been irradiated from the radiation irradiation apparatus 6 and transmitted through at least the patient 30 as a subject on a predetermined substrate such as a glass substrate, for example.
- a plurality of pixels that convert the detected radiation into an electrical signal and detect it are arranged in a matrix.
- the plane detector 13 detects, for example, a radiation light conversion layer that converts radiation into fluorescent light, and fluorescence converted by the radiation light conversion layer to detect electric signals.
- a radiation light conversion layer that converts radiation into fluorescent light
- fluorescence converted by the radiation light conversion layer to detect electric signals.
- the radiation image detector 3 includes an image memory 16 that temporarily stores the radiation image information detected by the plane detection unit 13.
- the image memory 16 is composed of a non-volatile memory such as a flash memory, for example, and stores image data which is information of a radiographic image detected by the plane detection unit 13 and converted into an electric signal.
- the radiation image detector 3 includes a detachable memory 6 as storage means for storing the radiation image information detected by the plane detection unit 13, separately from the image memory 16.
- a storage means mounting unit 11 is provided that stores the radiation image information detected by the plane detection unit 13 in the removable memory 6 by holding the removable memory 6 and attaching the removable memory 6.
- the removable memory 6 for example, various types of memory cards such as SD memory card (registered trademark), Memory Stick (registered trademark), SmartMedia (registered trademark), and CompactFlash (registered trademark) are applicable. Any standard may be used.
- the removable memory 6 is not limited to a memory card, and may be various portable storage media such as FD, MO, CD-R, and DVD-R. In addition, it is a storage medium that can store radiation image information by attaching it directly to a USB compatible mounting part that has a USB terminal. There may be.
- the storage means mounting unit 11 is configured to correspond to the removable memory 6 to be applied, and for example, may be configured to be compatible with a plurality of types of removable memory 6.
- the image memory 16 may have a small capacity enough to store one image, or may have a large capacity capable of storing a plurality of images. By having a large-capacity memory, it is possible to continuously perform multiple imaging without having to send radiation image information to the console 4 each time an image is captured.
- image data of the radiation image detected by the plane detection unit 13 may be stored in the image memory 16 or may be stored in the removable memory 6. It is also stored in both the image memory 16 and the removable memory 6.
- the radiological image detector 3 includes a communication unit 17 that transmits image data as a method of sending image data, which is information of an electrical radiographic image, to a console 4 as an external device. Yes.
- the communication unit 17 communicates various types of information with the console 4 through a base station 2 that is a wireless repeater that relays wireless signals by a wireless communication method such as wireless LAN.
- the base station 2 is installed in a radiographing room in which the radiation image detector 3 is installed, and the base station 2 and the console 4 are connected by, for example, a cable (not shown).
- the communication unit 17 demodulates the reception signal input to the antenna 51 (see Fig. 3) and the antenna 51 that transmits and receives various signals to and from the communication unit 25 of the console 4, and modulates and amplifies the various signals to And a radio circuit 52 (see FIG. 3) that outputs to 51.
- the antenna 51 is provided at one end of the radiation image detector 3.
- a radio circuit 52 to which the antenna 51 is connected is provided inside the radiation image detector 3, and the antenna 51 transmits and receives electromagnetic waves when the radio circuit 52 is driven.
- the frequency applied to the antenna 51 and the radio circuit 52 is not particularly limited, but the frequency at which high-capacity image data can be transmitted and received at high speed is 30 MHz to 300 GHz, particularly 1 GHz or more, and so-called 200 GHz or less.
- a microwave is preferred. Note that the shape and arrangement of the antenna are not limited to those illustrated.
- the radiographic image detector 3 is configured so that the communication unit 17 is normally connected. Communication detection means (not shown) for detecting whether or not the force is in a state where communication with the control line 4 is possible. The result detected by the communication detection means is sent to the control unit 12, and the control unit 12 selects whether to transmit the radiation image information from the communication unit 17 or the removable memory 6 according to the detection result. . Further, the control unit 12 switches the method for transmitting the radiation image information to the console 4 based on the selection result.
- the image data When the image data is normally sent to the console 4, an electrical signal is sent from the console 4 to the control unit 12 on the side of the radiation image detector 3, and when the console 4 force also receives a signal, the control is performed.
- the unit 12 deletes the image data of the transmitted image data stored in the image memory 16 or the removable memory 6.
- the image data may be sent to the console 4 for each radiography, and the image data stored in the image memory 16 may be deleted sequentially from the transmission completion, or every time the radiography is completed for one patient 30.
- the image data may be transmitted to the console 4 every time a certain number of photographings are completed, and the image data stored in the image memory 16 or the removable memory 6 may be sequentially deleted after the transmission is completed.
- the radiation image detector 3 includes a power supply unit 20 as an internal power supply that supplies power to each unit.
- the power supply unit 20 includes a rechargeable battery 21 that supplies power to each unit constituting the radiation image detector 3, and is configured to be rechargeable by being connected to an external power supply (not shown).
- a rechargeable battery 21 for example, a rechargeable battery such as a negative power battery, a nickel metal hydride battery, a lithium ion battery, a small sealed lead battery, a lead storage battery, a fuel battery, and a solar battery can be applied.
- the rechargeable battery 21 may be charged while attached to the radiation image detector 3, or may be taken out from the radiation image detector 3 and charged.
- a display unit 28 is provided for displaying the communication status of the communication unit 17, the charging status of the rechargeable battery 21, and various operating statuses.
- the communication status of the communication unit 17 and the charging status of the rechargeable battery 21 of the radiation image detector 5 can be visually confirmed.
- control unit 12 the plane detection unit 13, the image memory 16, the storage means mounting unit 11, the communication unit 17, The RAM 15, ROM 14, power supply unit 20, display unit 28, etc. are connected by a bus 41.
- FIG. 4 is a block diagram showing a schematic configuration of the console 4.
- the console 4 as an external device connected to the radiation image detector 3 is configured by a computer and includes a control unit 22 that controls each unit as shown in FIG.
- the control unit 22 includes, for example, a CPU (Central Processing Unit) and the like, reads a predetermined program stored in the ROM 23, expands it in the work area of the RAM 24, and executes various processes according to the program.
- a CPU Central Processing Unit
- the console 4 includes a communication unit 25 that transmits and receives information to and from an external device such as the radiation image detector 3.
- the communication unit 25 transmits the image sent from the radiation image detector 3.
- the control unit 22 transmits that fact as an electrical signal from the communication unit 25 to the control unit 22 on the radiation image detector 3 side.
- the console 4 includes an input operation unit 26 for inputting instructions regarding reading of image data and transmission / reception of image data.
- the input operation unit 26 is composed of, for example, an operation panel, a mouse, a keyboard, and the like, and an operation signal from the operation panel or mouse or a key press signal pressed by the keyboard is input to the control unit 22 as an input signal.
- the input operation unit 26 detects a radiographic image signal related to an instruction to transmit image data of a radiographic image detected by the radiographic image detector 3 based on a predetermined operation. Output to the control unit 22 on the side of the device 3.
- the input operation unit 26 force may also be input since patient information, imaging information, etc. are also acquired as server power.
- the radiographic image detector 3 selects whether to transmit image data by wireless or wired method, and transmits image data every time one radiographic image is captured. Can be selected by operating the input operation unit 26, for example, whether to perform image data transmission for each patient or at a fixed number of times. Note that the configuration of the input operation unit 26 is not limited to this as long as various processing contents can be set. Also, the instructions and information that can be input from the input operation unit 26 are not limited to those exemplified here!
- the console 4 is provided with a display unit 27.
- the display unit 27 displays information input from the input operation unit 26, image data sent from the radiation image detector 3, and the like. Note that what is displayed on the display unit 27 is not limited to that exemplified here, and for example, a thumbnail image of the acquired image data may be displayed.
- the display unit 27 includes, for example, a CRT (Cathode Ray Tube), an LCD (Liquid Crystal Display), and the like, and displays various screens according to instructions of a display signal that is output from the control unit 22 and input. is there.
- control unit 22 controls the radiation image detector 3 to transfer image data based on an input instruction from the input operation unit 26.
- the transferred image data is further transferred to the server, and various image processing such as normalization processing and gradation processing is performed in the server.
- the received image data may be subjected to various types of image processing in the control unit 22 of the console 4.
- control unit 22, ROM 23, RAM 24, communication unit 25, input operation unit 26, etc. are connected by a bus 42.
- radiographic image capturing processing in the radiographic image capturing system to which the radiographic image detector 3 according to the present embodiment is applied will be described.
- the radiation image detector 3 is disposed between the bed 10 and the patient 30, detects the amount of radiation transmitted through the patient 30, converts the detected radiation into an electrical signal, and converts the image data. Get the data.
- the image data acquired by the radiation image detector 3 is the image memory 16 or Stored in the removable memory 6.
- control unit 12 When acquired by the radiation image detector 3, the control unit 12 transmits the acquired image data from the communication unit 17 via the base station 2 in a wireless manner or stores the removable memory 6 in the radiation image. Select whether to send the data by taking it out of detector 3 and attaching it directly to console 4.
- step S1 it is detected by the communication detection means whether or not the communication unit 17 is in a state where the communication unit 17 can normally communicate with the console 4, and the result is sent to the control unit 12.
- the control unit 12 determines whether or not the communication unit 17 can normally perform wireless communication based on the sent detection result (step S1), and the wireless communication by the communication unit 17 is possible ( In step SI; YES), the transmission method is selected so that the image data is transmitted from the communication unit 17 by the wireless method (step S2).
- step S2 whether or not the detachable memory 6 is attached to the storage means attachment unit 11 is detected by the attachment detection means, and the detection result is sent to the control unit 12.
- step S3 the control unit 12 determines that communication cannot be performed from the communication unit 17 (step SI; NO)
- step S4 the control unit 12 further determines that the mounting detection means force is transmitted based on the detection result! It is determined whether or not the removable memory 6 is attached to the memory (step S3).
- step S3 the control portion 12 starts from the radiation image detector 3 to the removable memory 6
- a transmission method is selected by taking out and attaching it directly to the console 4 (step S4).
- the control unit 12 selects to transmit the image data by the removable memory 6, that fact may be displayed on the display unit 28.
- step S3 when it is determined from the detection result of the attachment detection means that the removable memory 6 is not attached to the storage means attachment part 11 (step S3; NO), the control part 12 is connected to the communication part 17 and attachable / detachable.
- the display unit 28 displays on the display unit 28 that the image data cannot be transmitted due to the error in the memory 6 and notifies the user (step S5
- the image data may be set in advance so as to be transmitted from the communication unit 17 to the console 4 in a wireless manner at the same time when imaging is performed and image data is acquired by the radiation image detector 3.
- the control unit 12 arrives when transmission from the communication unit 17 fails.
- the image data acquired by the radiation image detector 3 is transmitted to the console 4 until the image data is acquired.
- it is preferably stored in the removable memory 6.
- the image data may be transmitted to the console 4 at any time without being stored in the image memory 16 or the removable memory 6.
- control unit 12 on the side of radiation image detector 4 receives image data corresponding to the signal from console 4 among the image data stored in image memory 16 or removable memory 6. Erase. The control unit 12 does not erase the image data in the image memory 16 or the detachable memory 6 until the signal from the console 4 is confirmed, and the console 4 does not receive the image data normally. If so, notify the radiation image detector 3 to that effect. Note that the control unit 12 may not erase the image data in the image memory 16 or the removable memory 6 for a while even after confirming the signal from the console 4. In this case, it is possible to send the image data again when it is later determined that there is an abnormality in the transmitted image data, or when the transmitted image is lost.
- the communication unit 17 and the detachable memory 6 are held as image data detected by the radiation image detector 3, and the image data is stored in the detachable memory 6.
- the storage means mounting unit 11 that can be used to select and switch which radiographic image is to be used, so that it can be switched by either wireless transmission or detachable memory transmission. Can also send radiation images to external devices. For this reason, it is possible to select a wireless system that does not require cable connection and is easy to handle, and patients that have a pacemaker by switching to transmission using removable memory 6 that does not generate electromagnetic waves, etc. It is also possible to shoot safely. Further, even when wireless communication becomes unusable due to a communication failure or the like, image data can be transmitted by switching to another transmission method.
- the radiation image detector 3 includes the removable memory 6, only the removable memory 6 is taken out and set in the console 4 or the like, so that the image data can be easily and quickly taken out. Etc. can be transmitted.
- the charging battery 21 is provided as an internal power source for supplying power to at least the flat surface detection unit 13 and the control unit 12, imaging is performed without connecting any cable to the radiation image detector 3. Can be done.
- the radiation image detector 3 includes the detachable memory 6 as a storage means that is detachably provided separately from the image memory 16. 16 may be configured to be removable from the radiation image detector 3 also serving as a removable storage means.
- the antenna constituting the communication unit 17 may include a plurality of force antennas including one antenna 51 that can transmit microwaves.
- antenna 51 that communicates using microwaves communication is performed using electromagnetic waves with a frequency of 1 GHz or less (especially 8 X 10 2 MHz or less, more preferably 4 X 10 2 MHz or less), which has low linearity and directivity.
- An antenna and a drive circuit for driving the antenna may be provided.
- the antenna 51 that transmits microwaves and the antenna that transmits electromagnetic waves having a frequency of 1 GHz or less may be driven by a single circuit.
- the communication unit 17 performs communication in a wireless manner using microwaves, but is not limited to a microwave as long as it communicates in a wireless manner.
- the communication may be performed wirelessly and in a non-contact manner using light.
- an optical communication unit 53 for performing optical communication and an optical communication circuit 54 for operating the optical communication unit 53 are connected to one end inside the radiation image detector 3.
- the optical communication unit 53 includes, for example, a light emitting unit (not shown) that emits so-called infrared rays having a wavelength of about 800 nm to 1000 nm. When the optical communication circuit is driven, the optical communication unit 53 emits light such as infrared rays.
- Optical communication is not limited to using infrared rays, but terawave, Those using various kinds of light such as visual light and ultraviolet light are possible, and in the case of using such light, an optical communication unit capable of irradiating the light is provided.
- the wireless repeater 6 is provided with a light receiving unit (not shown) that receives the light emitted from the optical communication unit 53. Then, the light emitted from the optical communication unit 53 is received by the light receiving unit, so that the image data can be transmitted.
- the power supply unit 20 as an internal power supply includes the rechargeable battery 21.
- the flat detector 13 and the control unit 12 supply power from both the external detector and the internal power supply.
- the battery is not limited to those equipped with the rechargeable battery 21 as long as it can be driven without receiving.
- the radiographic image detector 3 includes an antenna that transmits a microphone mouth wave and an antenna that transmits an electromagnetic wave having a frequency of 1 GHz or less. If equipped, if the image data cannot be transmitted by either the communication unit 17 or the removable memory 6, the fact is transmitted to an external device such as the console 4 and the radiation image detector. Instead of displaying on the display section 28 of 3, it may be displayed on the display section of an external device such as the display section 27 of the console 4.
- image data is transmitted to the radiation image detector 3 from the communication unit 17 by a wireless method or the removable memory 6 is connected to the radiation image detector.
- a switching switch 19 is provided for switching the transmission method of whether transmission is performed by taking out from 3 and directly attaching to the console 4 or the like.
- the transmission method for selecting the image data to be transmitted is selected by the control unit 12 based on the operation status of the switch 19 and the information transmitted from the console 4 side, and the image data is copied by the selected transmission method. It will be sent to console 4.
- radiographic imaging processing in the radiographic imaging system to which the radiographic image detector 3 according to the present embodiment is applied will be described.
- the radiation image detector 3 acquires image data
- the acquired image data is temporarily stored in the image memory 16 or the removable memory 6.
- control unit 12 takes out the image data acquired by the radiation image detector 3 from the communication unit 17 to the console 4 wirelessly, and takes out the removable memory 6 from the radiation image detector 3.
- the transmission method of whether to transmit by directly attaching to the console 4 is set by the user switching the switching switch 19 provided in the radiation image detector 3, and the control unit 12 operates the switching switch.
- the transmission method set by is selected as the image data transmission method.
- the switching switch 19 is set to a wireless system during general photographing.
- the control unit 12 selects the radio system by the communication unit 17 as the transmission system based on the signal from the switch 19. Then, the control unit 12 controls the communication unit 17 so that imaging is performed and image data is acquired by the radiation image detector 3 and at the same time the image data is wirelessly transmitted to the console 4.
- the image data acquired by the radiation image detector 3 is stored in the image memory 16 or the removable memory 6 until it is transmitted to the console 4. Further, when sending image data in a wireless manner, the image data may be sent to the console 4 at any time without being stored in the image memory 16 or the removable memory 6.
- the control unit 12 selects a transmission method by the removable memory 6 based on the signal from the switch 19. Then, the removable memory 6 is taken out from the radiation image detector 3 and directly or indirectly attached to the console 4, so that the image data stored in the removable memory 6 is transmitted to the console 4.
- the switching switch 19 determines whether image data detected by the radiation image detector 3 is transmitted from the communication unit 17 by the force detachable memory 6 that transmits wirelessly.
- the user can arbitrarily set by operating. For this reason, it is possible to increase the degree of freedom in system configuration by selecting a wireless method, and when photographing patients 30 wearing medical devices such as pacemakers, harmful electromagnetic waves are not generated. It is possible to shoot safely by switching to a wired system that does not occur or transmission using removable memory 6. In addition, even when there is a situation where one of the transmission methods cannot be used, such as when wireless communication becomes unavailable due to a communication failure, it is possible to immediately switch to another transmission method and transmit image data. it can.
- the transmission mode of the image data is set by operating the switching switch 19 of the radiation image detector 3, and the control unit 12 sets the transmission mode.
- the configuration for setting the image data transmission method is not limited to the example illustrated here.
- the image data transmission method may be selectable from an external device such as the input operation unit 26 of the console 4, and the image data transmission method may be set by receiving signals from these external devices.
- the control unit 12 selects the transmission method set by the signal from the external device as the method for transmitting the image data.
- the present invention is not limited to the present embodiment, similar to the first embodiment.
- the radiation image detector 3 holds the detachable memory 6 in a detachable manner, as in the first and second embodiments.
- the removable memory 6 is provided with a storage means mounting portion 11 for storing image data.
- the radiation image detector 3 includes a communication unit 17 that transmits image data and a connection terminal 18 as a method for sending image data to the console 4 as an external device.
- the communication unit 17 communicates various information with the console 4 via the base station 2 by a wireless communication method such as a wireless LAN.
- connection terminal 18 is provided at, for example, one outer end of the radiation image detector 3.
- the position and shape of the connection terminal 18 are not particularly limited.
- the connection terminal 18 can be connected to a cable (not shown) connected to the console 4, and the image data acquired by the flat surface detection unit 13 is obtained by connecting the connection terminal 18 and the console 4 via the cable. Can be sent to the console 4 in a wired manner.
- the radiation image detector 3 includes a control unit 12 similar to that of the first embodiment and the second embodiment.
- the control unit 12 transmits the image data acquired by the plane detection unit 13 from the communication unit 17 to the console 4 by a wireless method, transmits the image data in a wired manner via the connection terminal 18, or attachable / detachable memory. Select whether to transmit 6 by taking out 6 from the radiation image detector 3 and directly attaching it to the console 4 etc., and control each part to transmit the image data to the console 4 by the selected transmission method.
- the control unit 12 determines and selecting which transmission method the image data is transmitted by the control unit 12, for example, when nothing is connected to the connection terminal 18, the image data is transmitted by the wireless method.
- the control unit 12 selects the transmission method so that the image data is transmitted by switching to the wired method, and the image data is transmitted to the console 4 using the selected transmission method. You can control each part.
- radiographic image capturing processing in the radiographic image capturing system to which the radiographic image detector 3 according to the present embodiment is applied will be described.
- the control unit 12 transmits the image data acquired by the radiation image detector 3 from the communication unit 17 to the console 4 in a wireless manner, and transmits the image data in a wired manner through the connection terminal 18. Or whether the removable memory 6 is taken out from the radiation image detector 3 and directly attached to the console 4 for transmission.
- the control unit 12 determines whether or not the communication unit 17 is in a state where the communication unit 17 can normally communicate with the console 4, and if the communication unit 17 is communicable, the control unit 12 The wireless method by the communication unit 17 is selected as the transmission method, and the image data is transmitted from the communication unit 17.
- the control unit 12 further determines whether or not the removable memory 6 is mounted on the storage means mounting unit 11 and determines whether or not the removable memory 6 is mounted. In this case, the control unit 12 selects a transmission method for transmission by taking out the removable memory 6 from the radiation image detector 3 and attaching it directly to the console 4. Further, the control unit 12 determines whether a cable is connected to the connection terminal 18 when the removable memory 6 is not attached.
- the control unit 12 selects a wired system using the connection terminal 18 as a transmission system, and transmits image data via the connection terminal.
- the control unit 12 uses the transmission method regardless of the communication state of the communication unit 17 and whether or not the removable memory 6 is installed in the recording device installation unit 11. You can select the wired system using the connection terminal 18 and send the image data through the connection terminal 18.
- the communication unit 17 transmits the image data wirelessly or the connection terminal
- the control unit 1 2 can select whether to transmit via a wired method via 18 or by attaching the removable memory 6 from the radiation image detector 3 and directly attaching it to the console 4.
- the radiation image can be sent to the external device by any method of the removable memory 6. For this reason, it is possible to select a wireless system that does not require cable connection and is easy to handle, and it is harmful when imaging a patient 30 who wears a medical device such as a pacemaker. It is also possible to shoot safely by switching to a wired system that does not generate electromagnetic waves or transmission using removable memory 6.
- either transmission method is useful, such as when wireless communication becomes unavailable due to communication failure. Even when a situation that cannot be used occurs, it is possible to immediately switch to another transmission method and transmit image data.
- a transmission method of image data a method of transmitting image data from the communication unit 17, a method of connecting a cable to the connection terminal 18 and transmitting the image data via the cable, and a removable memory 6
- a transmission method of image data a method of transmitting image data from the communication unit 17, a method of connecting a cable to the connection terminal 18 and transmitting the image data via the cable, and a removable memory 6
- the radiation image detector 3 and the external device such as the console 4 are connected by connecting a cable to the connection terminal 18, and image data is transmitted.
- image data is transmitted.
- the cradle has, for example, a terminal for connecting to the connection terminal 18 at a position corresponding to the connection terminal 18 of the radiation image detector 3 when the radiation image detector 3 is placed.
- the console 4 is connected by a wireless method such as a cable or a wired method such as a cable.
- the transmission method using the connection terminal 18 is selected by the control unit 12 and connected. Send image data via terminal 18 and the cradle.
- the cradle charges the rechargeable battery 21 of the power supply unit 20 of the radiation image detector 3.
- Charger Function May be provided.
- the cradle is provided with a connector (not shown), and when the connector and the radiation image detector 3 are connected, the rechargeable battery 21 of the radiation image detector 3 is charged.
- the cradle is preferably formed so that the radiation image detector 3 can be easily attached and detached. Further, the cradle may have a function as a holder when the radiographic image detector 3 is not used, in addition to the function as a charger of the radiographic image detector 3.
- the same switching switch as in the second embodiment is provided to send image data to the console 4.
- a transmission method to be transmitted it is possible to transmit wirelessly from the communication unit 17, to transmit by a wired method via the connection terminal 18, or to remove the removable memory 6 from the radiation image detector 3 and attach it directly to the console 4. Make it possible for the user to arbitrarily set whether or not to send.
- the present invention is not limited to the present embodiment, similar to the first embodiment and the second embodiment.
- a radiographic imaging system is a system that assumes radiographic imaging performed in a hospital.
- two radiation imaging rooms and two radiation control rooms are provided.
- the number of radiation imaging rooms and radiation control rooms is not limited to this, and a plurality of radiation imaging rooms and radiation control rooms may be provided. A configuration with one each can be used.
- a console 4 is provided in each of the radiation control rooms R3 and R4.
- the console 4 can transmit and receive various types of information to and from a radiation image detector 3 and other external devices described later. Imaging control and image processing of acquired radiographic images are performed.
- the console 4 includes a control unit 22, ROM 23, RAM 24, communication unit 25, input operation unit 26, etc., and each unit is connected by a bus 42.
- the communication unit 25 is connected to, for example, a wireless repeater 32 described later via the network 4, and the communication unit 25 can communicate with the radiation image detector 3 via the wireless repeater 32. Yes, image data and other various information transmitted from the radiation image detector 3 can be received wirelessly.
- the console 4 is installed in the radiation control rooms R3 and R4, the console 4 may be a portable terminal capable of wireless communication.
- a radio repeater is also installed in the radiation control room R3, R4, and the communication unit 25 is wireless with both the radio repeater 32 in the radiography room Rl, R2 and with the radio repeater in the radiation control room R3, R4.
- the radiographer can confirm the radiographic image on the console 4 while instructing the radiographer about the radiographing position and the like in the radiography room Rl, R2 which is not only in the radiation control room R3, R4 as in the past.
- the image processing of the radiation image data can be started, the radiation image can be confirmed by the moving time between the radiation imaging room Rl, R2 and the radiation control room R3, R4, or the image processing of the radiation image data can be performed.
- a radiation source (not shown) for irradiating the patient with radiation
- a radiation image detector similar to those shown in the first to third embodiments 3 and a wireless repeater 32 that relays communication between the radiation image detector 3 and the console 4 are installed.
- the radiation image detector 3 includes, for example, the control unit 12, the plane detection unit 13, the image memory 16, the storage means mounting unit 11, the communication unit 33, and the rechargeable battery 21.
- a power supply unit 20 and RAM, ROM, etc. are provided, and these units are connected by a bus 41.
- the communication unit 33 is connected to the network 4 via the wireless repeater 32, and the communication unit 33 is connected to various devices such as the console 4 via the wireless repeater 32 and the network 4. Signals can be transmitted and received by a wireless method.
- the wireless repeater 32 is connected to the network 4 through, for example, a cable, and can communicate with a plurality of consoles 4 and other external devices connected to the network 4. Then, various signals transmitted to the console 4 are also received by the radiation image detector 3 via the wireless repeater 32, and image data and various signals are transmitted from the radiation image detector 3 to the console 4. .
- the communication cable connecting the wireless repeater 32 and the network 4 is preferably detachable.
- the wireless relay 32 may have a charger function for charging the rechargeable battery 21 of the power supply unit 20 of the radiation image detector 3.
- the wireless repeater 32 is provided with a connector (not shown), and when this connector and the radiation image detector 3 are connected, the rechargeable battery 21 of the radiation image detector 3 is charged.
- the radio repeater 32 is formed so that the radiation image detector 3 can be easily attached and detached.
- the wireless repeater 32 may have a function as a holder when the radiographic image detector 3 is not used, in addition to the function as a charger of the radiographic image detector 3.
- radiographic image capturing processing in the radiographic image capturing system to which the radiographic image detector 3 according to the present embodiment is applied will be described.
- the radiation image detector 3 acquires image data
- the acquired image data is temporarily stored in the image memory 16 or the removable memory 6.
- control unit 12 transmits the image data acquired by the radiation image detector 3 from the communication unit 17 to the console 4 wirelessly, and takes out the removable memory 6 from the radiation image detector 3. Select whether to send by attaching to console 4 directly.
- the control unit 12 determines whether or not the communication unit 17 is in a state where it can normally communicate with the console 4, and if the communication unit 17 is communicable, the control unit 12 As a transmission method, a wireless method by the communication unit 17 is selected, and image data is transmitted from the communication unit 17 to the console 4 via a wireless repeater.
- the control unit 12 further determines whether or not the detachable memory 6 is mounted on the storage means mounting unit 11 and determines whether or not the detachable memory 6 is installed, and the detachable memory 6 is mounted. In this case, the control unit 12 selects a transmission method for transmission by taking out the removable memory 6 from the radiation image detector 3 and mounting it directly on the console 4.
- the detachable memory 6 is not attached to the storage means attachment unit 11, the user may be notified by displaying such fact on a display unit (not shown).
- the image acquired by the radiation image detector 3 is obtained.
- the control unit determines whether the data is transmitted wirelessly from the communication unit 17, or is transmitted by removing the removable memory 6 from the radiation image detector 3 and attaching it directly to the console 4 12 can be selected. For this reason, it is possible to select a wireless system that does not require cable connection and is easy to handle, and does not generate harmful electromagnetic waves when imaging a patient 30 wearing a medical device such as a pacemaker. It is also possible to shoot safely by switching to transmission by the removable memory 6.
- the image data can be transmitted by switching to another transmission method immediately. It can be carried out.
- the radio repeater 32 is provided in the radiation imaging rooms Rl, R2, and the radiation image detector 3 communicates with external devices such as the console 4 via the radio repeater 32. Therefore, even if the radiation image detector 3 is used in the radiation imaging rooms Rl and R2 separated by the radiation shielding member, good radio communication is performed between the radiation image detector 3 and the external device such as the console 4. be able to. In addition, even when microwaves or light having high straightness and directivity are used for communication, good communication can be performed without causing communication failure by performing communication via the wireless repeater 32. For this reason, large-capacity radiation image data can be transmitted efficiently at higher speed, and the imaging efficiency can be further improved.
- a transmission method for transmitting image data from the radiation image detector 3 to the console 4 a method of transmitting wirelessly from the communication unit 17, a removable memory 6 is used as the radiation image detector.
- a transmission method is provided by taking it out from 3 and attaching it directly to the console 4, it also has a connection terminal that can be connected to a cable or cradle connected to the console 4, as in the third embodiment, The image data may be transmitted from the radiation image detector 3 to the console 4 by a wired system via this connection terminal.
- the communication unit 17 transmits the image data wirelessly or the connection terminal 18 is used as a wired method.
- the user can arbitrarily set whether to send by attaching the removable memory 6 from the radiation image detector 3 and attaching it directly to the console 4 A little.
- the present invention is not limited to the present embodiment, similar to the first to third embodiments.
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- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004212931A JP2007127414A (ja) | 2004-07-21 | 2004-07-21 | 放射線画像検出器及び放射線画像撮影システム |
JP2004-212931 | 2004-07-21 |
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WO2006008979A1 true WO2006008979A1 (ja) | 2006-01-26 |
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PCT/JP2005/012589 WO2006008979A1 (ja) | 2004-07-21 | 2005-07-07 | 放射線画像検出器及び放射線画像撮影システム |
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US (1) | US20060017028A1 (ja) |
JP (1) | JP2007127414A (ja) |
WO (1) | WO2006008979A1 (ja) |
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JP5500933B2 (ja) | 2009-09-30 | 2014-05-21 | 富士フイルム株式会社 | 放射線画像撮影装置、放射線画像撮影システム、およびプログラム |
JP5580573B2 (ja) * | 2009-11-09 | 2014-08-27 | キヤノン株式会社 | 制御装置、放射線撮影システム、制御方法、管理方法、及びプログラム |
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JP5436281B2 (ja) * | 2010-03-16 | 2014-03-05 | 富士フイルム株式会社 | 放射線撮影システム、コンソール、放射線撮影用カセッテ、及びプログラム |
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Also Published As
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JP2007127414A (ja) | 2007-05-24 |
US20060017028A1 (en) | 2006-01-26 |
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