[go: up one dir, main page]

WO2010013506A1 - Système d'imagerie radiographique - Google Patents

Système d'imagerie radiographique Download PDF

Info

Publication number
WO2010013506A1
WO2010013506A1 PCT/JP2009/053637 JP2009053637W WO2010013506A1 WO 2010013506 A1 WO2010013506 A1 WO 2010013506A1 JP 2009053637 W JP2009053637 W JP 2009053637W WO 2010013506 A1 WO2010013506 A1 WO 2010013506A1
Authority
WO
WIPO (PCT)
Prior art keywords
designation
radiation
console
imaging
fpd cassette
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2009/053637
Other languages
English (en)
Japanese (ja)
Inventor
英剛 手塚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Medical and Graphic Inc
Original Assignee
Konica Minolta Medical and Graphic Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Konica Minolta Medical and Graphic Inc filed Critical Konica Minolta Medical and Graphic Inc
Publication of WO2010013506A1 publication Critical patent/WO2010013506A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment

Definitions

  • the present invention relates to a radiographic image capturing system.
  • a radiographic image taken using radiation represented by an X-ray image
  • Such medical radiographic images were conventionally taken using a screen film, but in recent years, digitization of radiographic images has been realized.
  • a stimulable phosphor layer forms radiation transmitted through a subject.
  • the photostimulable phosphor sheet After being stored in the photostimulable phosphor sheet, the photostimulable phosphor sheet is scanned with laser light, and thereby the photostimulated light emitted from the photostimulable phosphor sheet is photoelectrically converted to image data.
  • a CR (Computed Radiography) apparatus for obtaining the above has been widely used.
  • a radiation image generation system using a solid state imaging device FPD: Flat Panel Detector
  • FPD Flat Panel Detector
  • a cassette-type radiation image detector configured to be portable like the cassette of the apparatus is also used.
  • a portable radiographic image detector it can be used by being mounted on an imaging stand (buoy device) or used alone, and there is an advantage that there is a degree of freedom in its use mode.
  • a radiographing room for radiographic imaging there are cases in which a plurality of a bucky device that can be loaded with a portable radiographic image detector, such as one for standing position imaging and one for lying position imaging, is arranged.
  • a plurality of radiation generators that irradiate the subject with radiation may be provided corresponding to the bucky device.
  • a bucky device or a radiation generator to be used for imaging is selected and set based on imaging order information or the like in advance by an input operation of an operator (engineer or the like) in advance. Based on this setting, preparations for imaging such as starting the radiation generating apparatus and appropriately moving the position have been made.
  • a Bucky device or radiation generator that has been selected and set in advance in a console dedicated to each shooting room or shared between shooting rooms is suitable for shooting when it actually goes to the shooting room and enters the preparation for shooting. It may turn out not to. That is, for example, when the Bucky device or radiation generator is out of order, or initially selected and set with the intention of shooting in a standing position, the patient is in a standing state when actually trying to position the patient. It is assumed that the patient's posture is not stable and it is desired to change to photographing in a supine position.
  • a bucky device made in accordance with the JIS standard size in a screen / film cassette is in widespread use.
  • a radiation image detector of a size that can be stored in such a bucky device is used.
  • the operator wants to use it when actually photographing with a pre-selected and set Bucky device or radiation generator. It is assumed that there will be a lot of gaps between For this reason, a system is desired in which the operator can select and set a device to be used for shooting according to the actual shooting situation.
  • the present invention has been made in view of the above circumstances, and in the case where a plurality of radiation generators are provided, a radiographic imaging system capable of easily and quickly selecting and setting a radiation generator used for imaging.
  • the purpose is to provide.
  • the present invention provides: A plurality of radiation generators; Generator control means for controlling the radiation generator; A radiation image detector comprising a designation means for designating one of the plurality of radiation generating devices to be used for imaging; Designation notification means for notifying the radiation generation apparatus designated by the designation means of the radiation image detector to the generation apparatus control means,
  • the generator control means controls the radiation generator specified by the specifying means to be used for imaging.
  • the radiation generating device used for imaging can be specified by the radiation image detector. For this reason, for example, even if the radiation generator that was scheduled to be used for imaging cannot be used due to a failure, etc., the selection and setting of the radiation generator can be performed again on the console by moving in the imaging room or moving the imaging room. It is possible to easily redo without having to improve the work efficiency.
  • the radiation generator can be specified by the radiation image detector, the selection and setting of the radiation generator can be easily performed even when the imaging room where the imaging is performed is moved.
  • the radiation generator is designated by the radiation image detector, it is prohibited to designate other radiation image detectors until the designation is canceled. Since it is possible to prevent duplicate registration, it is possible to prevent erroneous imaging by an erroneous radiation image detector.
  • FIG. 1 is a diagram showing a system configuration of a first embodiment of a radiographic imaging system according to the present invention. It is a perspective view which shows the FPD cassette applied to the radiographic imaging system of FIG. It is a principal part block diagram which shows the functional structure of the FPD cassette shown in FIG. It is a flowchart which shows operation
  • a radiographic imaging system 100 is a system that assumes radiographic imaging performed in a hospital or a clinic, and includes two imaging rooms R1 (R1a, R1b) as shown in FIG. ) Is arranged. In each photographing room R1, a console 1 (1a, 1b) is arranged correspondingly.
  • FIG. 1 shows a case where two shooting rooms R1a and R1b are provided, and two consoles 1a and 1b are provided corresponding to the two shooting rooms R1a and R1b.
  • the number is not limited to this.
  • the console 1 may not be provided corresponding to each shooting room R1, and one console 1 may be associated with a plurality of shooting rooms R1.
  • the imaging room R1 includes a bucky device 3 including a cassette holding unit 31 that can load and hold the FPD cassette 2, and a radiation source such as an X-ray tube that irradiates the subject (the imaging target site of the patient M).
  • a radiation generator 4 is provided.
  • An FPD cassette 2 is disposed in the photographing room R1. In the present embodiment, an example is shown in which three FPD cassettes 2 are arranged in each of the imaging rooms R1a and R1b. However, the number of FPD cassettes 2 provided in the imaging room R1 is not particularly limited.
  • the imaging room R1 is shielded with lead or the like so that radiation does not leak outside, and radio waves for wireless communication are also blocked.
  • a radio access point (base station) 5 or the like is provided in the imaging room R1 to relay these communications when the FPD cassette 2 communicates with an external device such as the console 1.
  • the wireless access point 5 and the console 1 may communicate with each other in a wired manner.
  • a wireless communication means for relaying communication is connected to the network N and communicated in a wireless manner via this. You may make it do.
  • the image detection unit 23 of the FPD cassette 2 is configured as a so-called indirect type in which irradiated radiation is converted into light by a scintillator and detected by a photoelectric conversion element such as a photodiode, or without using a scintillator. It is also possible to use what is configured as a so-called direct type in which radiation is directly detected by a detection element.
  • 2 shows the case where the casing 21 is formed of the front member 21a and the back member 21b. In addition to this, for example, the casing 21 may be formed in a cylindrical monocoque shape. It is.
  • a side surface portion of the FPD cassette 2 is provided with a power switch 24a, an indicator 24c, and a lid member 24b that is opened and closed for replacement of a battery (not shown) built in the casing 21, and the side surface of the lid member 24b.
  • the antenna device 25 that is a wireless communication means for the FPD cassette 2 to wirelessly transmit and receive information to and from the outside via the wireless access point 5 is embedded in the unit.
  • the antenna device 25 transmits a designation signal that designates one of the plurality of radiation generation devices 4 to be used for imaging to the radiation generation device 4. It is a wireless communication means and functions as a designation means for designating the radiation generator 4.
  • the indicator 24c is composed of, for example, an LED or the like, and displays a battery charging status, various operating statuses, and the like.
  • the indicator 24c is blinked or turned on. You may make it alert
  • the imaging order information, the image data reading conditions, and the information for specifying the transmission destination of the image data are transmitted from the console 1 to the FPD cassette 2 in advance. When such information necessary for photographing has been received, the user may be notified by turning on the indicator 24c or the like.
  • the same side surface portion of the FPD cassette 2 is instructed to transmit a designation signal for designating the radiation generator 4 by the communication means such as the antenna device 25 to the control means 22 (see FIG. 3) of the FPD cassette 2.
  • a designation instruction switch 24d is provided. By depressing the designation instruction switch 24d, a designation signal for designating that the radiation generating apparatus 4 is used for imaging from the antenna apparatus 25 or the like of the FPD cassette 2 to the radiation generating apparatus 4 is transmitted from the transmission source. Sent together with the cassette ID of the FPD cassette 2. Further, a release instruction switch 24e for canceling the designation is provided adjacent to the designation instruction switch 24d.
  • an electrode (not shown) in the bucky device 3 is provided on the side surface portion opposite to the side surface portion of the FPD cassette 2 provided with the power switch 24a and the like when the FPD cassette 2 is loaded in the bucky device 3 described later.
  • a terminal 26 (see FIG. 3), which is a wired communication means for the FPD cassette 2 to receive external power supply via the bucky device 3 and exchange signals with the outside. ing.
  • FIG. 3 is a block diagram showing a schematic configuration inside the radiation image detector.
  • the FPD cassette 2 is provided with a control means 22 composed of a microcomputer or the like.
  • the control means 22 is an image detector in which radiation detection elements such as photodiodes (photoelectric conversion elements) (not shown) are two-dimensionally arranged.
  • Memory 23 comprising a communication control means 27 for controlling transmission / reception of data and signals to / from an external device via the unit 23, the antenna device 25, the terminal 26, etc., a ROM (Read Only Memory), a RAM (Random Access Memory), a flash memory, etc. Means 28 and the like are connected.
  • the FPD cassette 2 incorporates other members such as a battery (not shown).
  • each analog signal output from each radiation detection element is converted into a digital signal each time a radiographic image is captured, and one digital image data is obtained. It is to be generated.
  • the generated image data is stored in the storage unit 28 by the control unit 22 in the order of photographing.
  • the subject is continuously irradiated with radiation using the FPD cassette 2, and the image data is stored in the storage means 28 each time. By going, continuous shooting can be performed.
  • the image data stored in the storage means 28 is controlled by the communication control means 27 wirelessly via the antenna device 25 or when the FPD cassette 2 is loaded in the bucky device 3 or the like, or a cable is connected. If the image is taken, it is transmitted to the console 1 by wire via the terminal 26 at every shooting or after the completion of all shooting.
  • the imaging order information is transmitted to the FPD cassette 2 from the console 1 together with the console ID which is the identification information of the console 1 before imaging, and the communication control unit 27 sets the console ID.
  • the console ID information is output to the control means 22.
  • the control unit 22 specifies the transmission destination of the image data acquired by the FPD cassette 2 in the photographing as the console 1 corresponding to the console ID.
  • the control unit 22 specifies the console 1a corresponding to the console ID as a transmission destination of the image data.
  • the control unit 22 controls the communication control unit 27 to cause the console 1 to transmit the image data.
  • the image data transmitted to the outside from the FPD cassette 2 may be RAW image data, or pixels (that is, individual digital data output from each radiation detection element) are thinned out at a predetermined rate from the RAW image data.
  • the thinned image data may be reduced so that the data amount is, for example, about 1/16 of the RAW image data.
  • a tag 29 is built in the FPD cassette 2.
  • a so-called RFID (Radio Frequency Identification) tag is used as the tag 29, and the tag 29 includes a control circuit that controls each part of the tag 29 and a storage unit that stores unique information of the FPD cassette 2 ( Neither is shown) is built in compactly.
  • the unique information stored in the storage unit of the tag 29 includes, for example, a cassette ID as identification information assigned to the FPD cassette 2, scintillator type information, size information, resolution, and the like.
  • the type and configuration of the tag 29 provided in the FPD cassette 2 are not particularly limited.
  • the FPD cassette 2 has a size conforming to JIS Z 4905 (corresponding international standard is IEC 60406) in a conventional screen / film cassette. That is, the thickness in the radiation incident direction is within a range of 15 mm + 1 mm to 15 mm-2 mm, and is 8 inches ⁇ 10 inches, 10 inches ⁇ 12 inches, 11 inches ⁇ 14 inches, 14 inches ⁇ 14 inches, 14 inches ⁇ 17 inches. (Half cut size) etc. are prepared.
  • the FPD cassette 2 is formed according to the JIS standard relating to the screen / film cassette as described above, the CR cassette formed according to the JIS standard is similarly loaded. It can be used by being loaded into a bucky device 3 for CR cassette. Therefore, in this embodiment, not only the FPD cassette 2 but also a CR cassette can be brought into the imaging room R1 to perform radiographic imaging.
  • the FPD cassette 2 can be used in a so-called single state that is not loaded in the bucky device 3.
  • the FPD cassette 2 is placed on a support stand (not shown) provided in the imaging room R1, and the hand of the patient M as a subject is placed on the radiation incident surface X (see FIG. 2).
  • the image is taken by placing it between the bed or the waist of the patient M lying on the bed and the bed.
  • a portable radiation generator 4c that is, a so-called free radiation generator 4c that is not associated with the bucky device 3 is designated as the radiation generator 4. That is, when the designation instruction switch 24d is pressed with the FPD cassette 2 facing the radiation generator 4c, a designation signal is transmitted to the radiation generator 4c, whereby the radiation generator 4c is used for imaging.
  • the FPD cassette 2 When the FPD cassette 2 is loaded in the Bucky device 3 and photographing is performed, or when photographing is performed with the cable connected, the FPD cassette 2 is connected to the above-described terminal 26 through the Bucky device 3 to receive power from the outside. When supplied, it can communicate with the outside such as transmission and reception of signals and image data in a wired manner.
  • the FPD cassette 2 when the FPD cassette 2 is used without being connected with a cable or the like in a single state, the FPD cassette 2 is operated by the power of a built-in battery, and is used for external devices such as transmission and reception of signals and image data.
  • the communication with the console 1 or the like is performed by wireless communication via the wireless access point 5 provided in the photographing room R1 via the antenna device 25 of the FPD cassette 2.
  • each of the photographing rooms R1 is provided with a bucky device 3a for standing position shooting and a bucky device 3b for standing position shooting as a bucky device 3. Yes.
  • Each bucky device 3 is provided with a cassette holding portion 31 for holding the FPD cassette 2 in a predetermined position.
  • a bucky device for the CR cassette can be used as described above, but a bucky device dedicated to the FPD cassette 2 can also be used.
  • the cassette holding unit 31 of the bucky device 3 is normally loaded with a loading detection device such as a microswitch for physically detecting that the FPD cassette 2 is loaded, or the FPD cassette 2 is normally loaded.
  • a loading detection device such as a microswitch for physically detecting that the FPD cassette 2 is loaded, or the FPD cassette 2 is normally loaded.
  • an electrode connected to the terminal 26 of the FPD cassette 2 may be provided.
  • the imaging room R1 is provided with at least one radiation generating device 4 including a radiation source (not shown) that irradiates the subject with radiation.
  • the radiation generating devices 4a and 4b are arranged in advance in association with the bucky devices 3a and 3b, respectively.
  • one portable radiation generation device 4c that is not associated with any of the bucky devices 3 is disposed.
  • the radiation generating device 4 includes an X-ray tube as a radiation source, and the X-ray tube emits a dose of radiation corresponding to the voltage when a high voltage is applied.
  • the radiation generators 4a and 4b respectively associated with the bucky device 3a for standing position photography and the bucky device 3b for standing position photography are arranged suspended from the ceiling of the photographing room R1, for example. At the time of shooting, based on an instruction from the console 7, the moving means (not shown) is moved to a predetermined position.
  • the radiation generating apparatus 4 is provided with a designation receiving unit 41 that receives a designation signal when the designation signal is transmitted from the FPD cassette 2 and accepts the designation.
  • the designation receiving unit 41 includes, for example, a CPU (Central Processing Unit), a communication unit, and the like (not shown).
  • a designation signal from the FPD cassette 2
  • information included in the signal for example, a cassette 29 included in the tag 29.
  • the FPD cassette 2 that is the transmission source of the designated signal is specified based on the information such as the ID.
  • designated reception means 41 transmits the designation
  • the designation receiving unit 41 of the radiation generating apparatus 4 functions as a designation notifying unit.
  • the designation notification signal notifies, for example, a cassette ID that is identification information of the FPD cassette 2 that designates the radiation generating apparatus 4.
  • the designation receiving means 41 once designated by a certain FPD cassette 2, subsequently finishes photographing with the FPD cassette 2, stops photographing, or releases the FPD cassette 2. It functions as a designation exclusion means for prohibiting acceptance of designation by another FPD cassette 2 until a cancellation signal for canceling the designation is transmitted by operating the instruction switch 24e. That is, for example, when a designation signal is once transmitted from another FPD cassette 2 after having been designated by one FPD cassette 2, the designation receiving means 41 is the source of the designation signal received later. A signal indicating that the designated reception is rejected is transmitted to a certain FPD cassette 2.
  • the designation is automatically canceled, and a new designation can be accepted. It may be made to become.
  • the amount of time after which the designation is canceled may be set in advance as a default, or may be arbitrarily set by an operator or the like.
  • the designated FPD cassette 2 is carried out from the photographing room R1, it is detected by the entry / exit detection means 6. Therefore, it is determined that photographing has been stopped even if a predetermined time has passed since the carrying out. You may make it cancel designation
  • a signal indicating that the designation has been accepted may be returned to the FPD cassette 2 side.
  • a front chamber R2 (R2a, R2b) is provided adjacent to each photographing room R1.
  • a console 7 for controlling a radiation generator 4 that irradiates a subject with radiation, a radiographer, a doctor, and the like (hereinafter referred to as “operator”), and operating the bucky device 3 and the like. has been placed.
  • an entry / exit detection means 6 for detecting the loading / unloading of the FPD cassette 2 is installed.
  • the entry / exit detection means 6 is a tag reader that reads a tag (RFID) 29 built in the FPD cassette 2.
  • the entrance / exit detection means 6 transmits predetermined instruction information on radio waves or the like via a built-in antenna (not shown), reads the tag 29 built in the FPD cassette 2, and carries it in or out of the front chamber R2.
  • the FPD cassette 2, that is, the FPD cassette 2 that has entered the predetermined range of the photographing room R 1 and the front room R 2 is detected.
  • the read information such as the cassette ID of the FPD cassette 2 is transmitted to the console 7.
  • the read information may be sent directly to the console 1.
  • the entrance / exit detection means 6 can be provided near the entrance of each photographing room R1.
  • the console 7 is composed of a computer in which a CPU, ROM, RAM, input / output interface and the like (not shown) are connected to a bus.
  • the console 7 reads a predetermined program stored in the ROM, expands it in a work area of the RAM, and programs it. Various processes are executed according to the above.
  • the console 7 includes a bucky device 3a and 3b for standing position photographing and a radiation generating device 4a and 4b associated with them, a radiation generating device 4c not associated with the bucky device 3, an entry / exit Detection means 6 and the like are connected to each other via a cable or the like.
  • the console 7 is provided with a display unit (not shown) made up of a CRT, LCD, or the like, and displays radiograph imaging order information and operation screens performed in the imaging room R1. ing. Further, the console 7 is connected to a storage means (not shown) constituted by a hard disk or the like, an input means (not shown) such as a keyboard and a mouse.
  • the console 7 determines whether or not the FPD cassette 2 of the transmitted cassette ID is registered in the storage means. . If it is not registered, the FPD cassette 2 is registered in the storage means as being newly brought into the photographing room R1, etc. If the transmitted cassette ID is already registered in the storage means, the FPD cassette 2 is registered. 2 is deleted from the storage means as being taken out of the photographing room R1 or the like, so that the FPD cassette 2 existing in the photographing room R1 or the like is grasped and managed on the storage means.
  • the console 7 determines that the FPD cassette 2 has been carried into the photographing room R1 as described above, the console 7 sends a carry-in signal including the cassette ID of the FPD cassette 2 to the console 1, and the FPD cassette 2 When it is determined that the image is taken out from the photographing room R1, a carry-out signal including the cassette ID of the FPD cassette 2 and the like is transmitted to the console 1.
  • the console 7 is an irradiation control function for controlling the radiation generators 4a and 4b (setting filming conditions such as tube position, tube voltage, tube current, irradiation field stop, etc. Functions that are continuously used from the beginning) and a cooperative control function (communication of various control information, image transmission, etc.) that controls the workflow that uses the FPD cassette 2, It is good also as a structure which arrange
  • an input / output signal including specific information including the cassette ID of the FPD cassette 2 is directly transmitted from the input / output detection means 6 to the console 1 by a wireless method or a wired method without using the console 7. It can also be configured to transmit.
  • the console 1 is composed of a computer in which a CPU, ROM, RAM, input / output interface and the like (not shown) are connected to a bus.
  • the console 1 is provided with a display unit (not shown) such as a CRT or LCD, and is connected with a storage means (not shown) constituted by a hard disk or the like, an input means (not shown) such as a keyboard or a mouse.
  • a console ID is given as a unique identification mark.
  • the console 1 obtains a list of imaging order information from the HIS / RIS 8, designates the FPD cassette 2 used for imaging, and transmits imaging order information together with its own console ID to the designated FPD cassette 2. As described above, when the FPD cassette 2 receives the console ID, the image data is transmitted from the FPD cassette 2 to the console 1 corresponding to the console ID in order to identify the console 1 as the transmission destination of the image data. Is done.
  • the radiation generator 4 When the radiation generator 4 is designated by the FPD cassette 2, information indicating which radiation generator 4 is designated is transmitted to the console 1 via the console 7. Based on this information, the console 1 activates the designated radiation generator 4 and transmits a control signal for performing radiation exposure control to the console 7. When the console 7 receives this control signal and controls the radiation generator 4, the radiation generator 4 is activated and the radiation is exposed. It should be noted that by operating the console 7, one or a plurality of pieces of imaging order information scheduled for radiographic imaging in the imaging room R 1 can be obtained directly from the HIS / RIS 8 without going through the console 1. Is possible.
  • the console 1 when image data is transmitted from the FPD cassette 2, the console 1 performs predetermined image correction such as gradation correction according to the imaging region on the image data, and generates image data of a diagnostic image.
  • the image data of the generated diagnostic image is appropriately transmitted to a PACS server 9 or the like which will be described later.
  • the console 1 is connected to the network N, and information can be transmitted / received to / from an external device connected to the network N.
  • the external devices connected to the console 3 via the network N include the HIS / RIS 8, the PACS server 9, the imager 10, etc., but the external devices connected to the network N are exemplified here. It is not limited to.
  • the HIS / RIS 8 provides the imaging order information of the subject related to the imaging to the console 3.
  • the imaging order information includes, for example, patient information such as the name of the patient providing the examination object, information on imaging reservations such as the imaging site, imaging method, type of imaging table (standing position or supine position) used for imaging, etc. Is included. Note that the imaging order information is not limited to the information exemplified here, but may include other information, or may be a part of the information exemplified above.
  • the PACS server 9 stores image data output from the console 3.
  • the imager 10 records a radiation image on an image recording medium such as a film based on the image data output from the console 3 and outputs the radiation image.
  • the console 1 acquires imaging order information from the HIS / RIS 8 (step S1), and an engineer or the like determines (selects) an FPD cassette 2 used for imaging based on the imaging order information ( Step S2).
  • the determination of the FPD cassette 2 is performed on, for example, a touch panel (not shown) provided on the console 1, but the method for determining the FPD cassette 2 is not particularly limited.
  • the console 1 may be provided with a barcode reader that reads a barcode, and the operator may determine the FPD cassette 2 by causing the barcode reader to read the barcode of the FPD cassette 2 that is desired to be used for photographing.
  • the console 1 transmits a console ID and shooting order information to the FPD cassette 2 (step S3).
  • the console ID and the imaging order information are received from the console 1 (step S4)
  • the FPD cassette 2 is activated from the sleep state for energy saving (step S5) and transitions to the imaging enabled state.
  • the designation instruction switch 24d is pressed in a state where the selected FPD cassette 2 is directed to any of the radiation generating devices 4, the radiation generating device 4 is used for imaging. Is transmitted from the antenna device 25 or the like of the FPD cassette 2 to the radiation generation apparatus 4 (step S6), and this designation signal is received by the designation receiving means 41 of the radiation generation apparatus 4 (step S7). .
  • the designation receiving means 41 that has received the designation signal determines whether or not the radiation generating apparatus 4 has already been designated by another FPD cassette 2 (step S8), and if designated (step S8: YES), a signal rejecting the designation made later is transmitted to the FPD cassette 2 (step S9), and the FPD cassette 2 receives the signal (step S10).
  • the control means 22 of the FPD cassette 2 determines whether or not the designation is rejected (that is, whether or not a signal for rejecting the designation has been received) (step S11). If the designation is rejected (step S11: YES) ) Terminates (stops) the imaging process using the radiation generator 4.
  • an error display (flashing indicator 24c, change in lighting color, etc.) may be displayed on the indicator 24c of the FPD cassette 2.
  • the designation receiving means 41 is used by the radiation generator 4 for imaging.
  • a designation notification signal for notifying the console 7 of the designation of the designated FPD cassette 2 and the cassette ID of the designated FPD cassette 2 is transmitted (step S12).
  • a signal indicating that the designation is accepted may be transmitted from the designation accepting means 41 to the FPD cassette 2.
  • the console 7 When the console 7 receives the designation notification signal from the designation receiving means 41 (step S13), the console 7 transmits a signal for notifying the radiation generating apparatus 4 designated by the FPD cassette 2 to be used for imaging to the console 1. (Step S14).
  • the console 1 receives a signal from the console 7 (step S15)
  • the console 1 transmits a control signal for entering a radiation exposure preparation to the console 7 for the radiation generator 4 notified from the console 7 (step S15).
  • the console 7 receives a signal from the console 1 (step S17), the position and angle of the radiation generator 4 such as moving the radiation generator 4 according to the position of the corresponding bucky device 3 based on the control signal.
  • a signal for instructing radiation exposure at a predetermined dose is transmitted (step S18).
  • a signal (trigger signal) indicating that radiation irradiation is started may be transmitted from the console 7 to the FPD cassette 2.
  • the FPD cassette 2 is reset, and the image signal can be read.
  • the FPD cassette 2 is configured to automatically detect radiation irradiation and automatically shift to an image signal readable state, it is not necessary to transmit a trigger signal from the console 7 to the FPD cassette 2. is there.
  • the radiation generator 4 emits a predetermined amount of radiation based on the instruction signal (step S20).
  • the FPD cassette 2 When shooting is completed, the FPD cassette 2 generates image data (step S21), and transmits the image data to the console 1 specified by the console ID (step S22).
  • the console 1 receives image data from the FPD cassette 2 (step S23), the console 1 performs predetermined image processing on the image data and generates image data of a diagnostic image (step S24).
  • the designation by the FPD cassette 2 is once made, the designation is canceled when a release signal is transmitted from the FPD cassette 2. Further, for example, when imaging is not started within a predetermined time defined as a threshold value in advance, or the FPD cassette 2 designating the radiation generation device 4 is unloaded from the imaging room R1 and does not return for a certain time or more. In such a case, the designation may be automatically canceled.
  • the radiation generating device 4b corresponding to the standing-up imaging bucky device 3b in the imaging room R1a is designated by the FPD cassette 2 as the radiation generating device 4 used for imaging. If the operation does not work properly, or if the bucky device 3b associated with the radiation generating device 4b does not work properly, an attempt was made to photograph with the standing device shooting device 3b, but the standing device shooting device 3a. When it is desired to change to, for example, the designation for the radiation generation apparatus 4 can be temporarily canceled and another radiation generation apparatus 4 can be designated.
  • the radiation generation apparatus 4 that is desired to be used for imaging again (for example, a bucky apparatus for supine imaging in the imaging room R1a).
  • a designation signal is transmitted to the radiation generator 4a) corresponding to 3a.
  • the radiation generator 4a is designated as the radiation generator 4 used for imaging.
  • the designation receiving means 41 of the radiation generating apparatus 4b transmits a signal indicating that the designation has been canceled to the console 7, and the designation of the radiation generating apparatus 4a is performed.
  • the accepting unit 41 transmits a designation notification signal to the console 7.
  • the radiation generator 4a once installed in the imaging room R1a is designated to be used for imaging, but the radiation generating apparatus 4a arranged in another imaging room R1b because it does not operate properly.
  • You may want to change to In such a case when the FPD cassette 2 is unloaded from the photographing room R1a, the unloading detection means 6 in the photographing room R1a detects the unloading of the FPD cassette 2, and the unloading signal is transmitted to the console 1 via the console 7. The Thereby, designation
  • the carrying-in detection means 6 in the photographing room R1b detects the carrying-in of the FPD cassette 2, and a carry-in signal is transmitted to the console 1 via the console 7. .
  • the FPD cassette 2 designates a radiation generator 4 (for example, the radiation generator 4a) in the radiographing room R1b again, a designation acceptance signal is transmitted to the console 7 together with the cassette ID of the FPD cassette 2, and the radiation The console 7 is notified that the generator 4a has been designated by the FPD cassette 2 having the cassette ID. Furthermore, designation of the radiation generating device 4a is notified from the console 7 to the console 1, and imaging using the radiation generating device 4a is performed.
  • a radiation generator 4 for example, the radiation generator 4a
  • the radiation generator 4 used for imaging can be specified by the FPD cassette 2 in the imaging room R1 instead of being specified in advance by the console 1. For this reason, for example, even when the radiation generator 4 that was scheduled to be used for imaging cannot be used due to a failure or the like, it is not necessary to return to the console 1 to perform selection / setting again, and work efficiency can be improved.
  • the radiation generator 4 can be specified by the FPD cassette 2, the radiation generator 4 can be easily specified even when the imaging room R1 in which imaging is performed is moved.
  • the radiation generating device 4 used for imaging can be designated by a simple method of pressing the designation instruction switch 24d toward the radiation generating device 4 that wants to use the FPD cassette 2 for imaging, the operator is burdened.
  • the radiation generator 4 can be selected and set without being applied.
  • the imaging order information, the console ID, and the like are transmitted from the console 1 to the FPD cassette 2 in advance, and the FPD cassette 2 sets the transmission destination of the image data obtained by imaging based on the console ID.
  • the method of specifying the transmission destination of the image data is not limited to this. For example, if it is used in a facility where the number of times of photographing is small, or if it is used in a facility where only one console 1 is provided, photographing was performed without prior registration, and it was acquired by photographing.
  • the image data is attached to the console 1 with the cassette ID of the FPD cassette 2 or the operator ID which is the identification information of the operator.
  • the console 1 may associate the image data with the patient information based on the identification information.
  • the image data is transmitted from the FPD cassette 2 to the console 1 after shooting.
  • the transmission destination of the image data is not limited to this.
  • the image data is the cassette ID of the FPD cassette 2 or the like. May be transmitted to an image data server or the like that stores image data in association with each other, and the image data stored therein may be extracted by the console 1 based on the cassette ID and associated with imaging order information or the like.
  • the designation signal is transmitted from the antenna device 25 as the designation means when the designation instruction switch 24d is pressed.
  • the designation means is not limited to this.
  • the radiation generation apparatus 4 including the tag reader that has read the tag 29 is designated as the one to be used for imaging by the FPD cassette 2 specified by the information of the tag 29.
  • the tag 29 functions as a designation unit that designates one of the plurality of radiation generating apparatuses 4 to be used for imaging.
  • the tag reader automatically reads the information of the FPD cassette 2 from the tag 29, and is designated as the radiation generator 4 used for imaging.
  • the FPD cassette 2 is provided with a barcode including information such as a cassette ID
  • the radiation generator 4 is provided with a barcode reader for reading the barcode
  • the barcode reader of the radiation generator 4 is provided with the FPD cassette 2.
  • the radiation generator 4 may be designated as used for imaging by the FPD cassette 2.
  • the designation receiving unit 41 functions as a designation exclusion unit that prohibits designation reception by another FPD cassette 2
  • the designation exclusion unit is not limited to the designation receiving unit 41.
  • the designation by the FPD cassette 2 is terminated or stopped.
  • the designation notification signal indicating that the designation by the other FPD cassette 2 has been repeated is transmitted until the designation is canceled, a signal for invalidating the designation notification signal transmitted later is sent to the designation receiving means 41.
  • the console 7 may be caused to function as a designation exclusion means.
  • an error may be displayed on the console 7 to warn the operator that duplicate designation has been made.
  • the control unit of the console 1 may notify that the designation has been made by another FPD cassette 2 thereafter.
  • the radiation generator 4 used for imaging by the FPD cassette 2 may not be changed.
  • the control unit of the console 1 functions as designation exclusion means.
  • the case where the radiation generation apparatus 4 is activated by a control signal from the console 7 and enters the preparation for imaging has been described as an example.
  • the timing of the activation of the radiation generation apparatus 4 and the preparation for imaging is described here.
  • the present invention is not limited, and it may be activated when receiving a designation signal from the FPD cassette 2 and may be ready for photographing.
  • the console 7 is provided in the front room R2, and the console 1 for controlling the entire radiographic imaging system 100 is provided separately from the console 7.
  • each console R2 has a console. It is good also as a structure provided instead of 7 with the console 1.
  • the console 1 controls the radiation image capturing system 100 as a whole, and appropriately controls the radiation generator 4 and the operation of the bucky device 3. Moreover, it is good also as a structure which leaves only the irradiation control function of the radiation generator 4 used conventionally from the console 7, and the console 1 controls all others.
  • the imaging order information is acquired in advance by the console 1 via the network N as registered in the HIS / RIS 8 or the like.
  • the imaging order information may be stored in the storage unit of the console 1 in advance.
  • the imaging order information does not necessarily have to be created before radiographic imaging, and it is also possible to create imaging order information by associating with acquired image data after radiographic imaging. is there.
  • the radiographic image capturing system 200 includes a plurality of bucky devices 3a and 3b and radiation generating devices 4a and 4b in two imaging rooms R1a and R1b, as in the first embodiment. It is equipped with.
  • the radiation generators 4a and 4b correspond to one of the bucky devices 3a and 3b, respectively.
  • an FPD cassette 2 is provided in the photographing rooms R1a and R1b. Although illustration is omitted, the FPD cassette 2 includes a tag (RFID) similar to that of the first embodiment.
  • the bucky device 3 When the FPD cassette 2 is loaded, the bucky device 3 is provided with a tag reader 35 and a designation receiving means 36 for reading a tag of the FPD cassette 2 and acquiring information such as a cassette ID. Information read by the tag reader 35 is output to the designation receiving means 36. When the information read from the tag of the FPD cassette 2 is sent from the tag reader 35, the designation receiving means 36 It is determined that the apparatus 3 and the radiation generating apparatus 4 corresponding thereto are designated as those used for imaging. And the designation
  • the console 1 acquires shooting order information from the HIS / RIS 8 (step S31), determines the FPD cassette 2 to be used for shooting according to this (step S32), and the FPD
  • the console ID and imaging order information are transmitted to the cassette 2 (step S33).
  • the FPD cassette 2 is activated (step S35), and transitions to the imaging enabled state.
  • the tag of the FPD cassette 2 is read by the tag reader 35 provided in the bucky device 3 (step S37), and is read by the tag reader 35.
  • the tag information is sent to the designation receiving means 36 (step S38).
  • the designation receiving means 36 determines whether or not designation by another FPD cassette 2 has already been made for the other Buckie apparatus 3 and the radiation generating apparatus 4 corresponding thereto in the same photographing room (step S39). This is because, for example, a ghost image (artifact image) is not generated in the FPD cassette 2 loaded in the bucky device 3a for standing position photography due to the influence of radiation due to the use of the bucky device 3b for standing position photography. is there.
  • step S39 YES
  • a signal for rejecting designation made later is transmitted to the FPD cassette 2 (step S40), and the FPD cassette 2 receives the signal (step S40). S41).
  • the control means 22 of the FPD cassette 2 determines whether or not the designation is rejected (that is, whether or not a signal for rejecting the designation has been received) (step S42), and if the designation is rejected (step S42: YES) ) Terminates (stops) the imaging process using the bucky device 3 and the radiation generator 4. On the other hand, if the designation has not yet been received from the other FPD cassette 2 and the designation from the FPD cassette 2 is accepted (step S39: NO), the designation accepting means 36 of the bucky device 3 uses the radiation generating apparatus 4 Is sent as a designation notification signal for notifying the console 7 of the designation of the FPD cassette 2 and the cassette ID of the designated FPD cassette 2 (step S43).
  • the console 7 When the console 7 receives the designation notification signal from the designation receiving means 36 (step S44), the console 7 informs the bucky device 3 designated by the FPD cassette 2 and the radiation generating device 4 corresponding thereto for use in imaging. Is transmitted to the console 1 (step S45).
  • the console 1 receives a signal from the console 7 (step S46)
  • the console 1 transmits a control signal for entering a radiation exposure preparation to the console 7 for the radiation generator 4 notified from the console 7 (step S46). S47).
  • the console 7 receives a signal from the console 1 (step S48), the position and angle of the radiation generator 4 such as moving the radiation generator 4 according to the position of the corresponding bucky device 3 based on this control signal.
  • step S49 a signal for instructing radiation exposure with a predetermined dose is transmitted (step S49). And the radiation generation apparatus 4 will irradiate a predetermined amount of radiation based on this instruction
  • the radiation generation apparatus 4 used for imaging can be specified by the FPD cassette 2 instead of the console 1. For this reason, for example, even when the radiation generator 4 that was scheduled to be used for imaging cannot be used due to a failure or the like, there is no need to return to the console 1 to perform selection / setting again, and work efficiency can be improved.
  • the radiation generator 4 can be designated simply by loading the FPD cassette 2 into the bucky device 3, it is possible to perform an imaging operation efficiently without requiring the operator.
  • the tag built in the FPD cassette 2 functions as a designation unit for designating the bucky device 3 and the radiation generation device 4 used for imaging.
  • the designation unit is not limited to this.
  • a barcode including information such as a cassette ID is provided on the FPD cassette 2
  • a barcode reader for reading the barcode is provided on the bucky device 3
  • the barcode reader of the FPD cassette 2 is provided on the barcode reader of the bucky device 3.
  • the bucky device 3 and the radiation generating device 4 corresponding thereto may be designated as being used for imaging by the FPD cassette 2.
  • Console 1 Console 2 FPD cassette (Radiation image detector) 3 Bucky device 4 Radiation generator 6 Entrance / exit detection means 7 Console (generator control means) 22 control means 24c indicator 24d designation instruction switch 24e release instruction switch 25 antenna device 26 terminal 27 communication control means 28 storage means 29 tag 31 cassette holding part 35 tag reader 36 designation reception means 41 designation reception means 100 radiographic imaging system N network R1a, R1b Shooting room R2a, R2b Front room

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

L'invention porte sur un système d'imagerie radiographique pouvant sélectionner rapidement et facilement et régler un générateur de rayonnement devant être utilisé pour de l'imagerie lorsqu'on place de multiples générateurs de rayonnement. Il est équipé de générateurs de rayonnement multiples (4), d'une console de fonctionnement (7) qui commande les générateurs de rayonnement multiples (4), et d'une cassette FPD (2) qui est équipée d'un commutateur d'indicateur de désignation (24d) qui désigne lequel des générateurs de rayonnement (4) multiples est à utiliser pour l'imagerie et un moyen d'acceptation de désignation (41) qui notifie la console de fonctionnement (7) du générateur de rayonnement (4) désigné par le commutateur d'indicateur de désignation (24d) de la cassette FPD (2). La console de fonctionnement (7) commande le générateur de rayonnement (4) désigné par le commutateur d'indicateur de désignation (24d) pour l'utilisation en imagerie.
PCT/JP2009/053637 2008-07-29 2009-02-27 Système d'imagerie radiographique Ceased WO2010013506A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008194376A JP2011206068A (ja) 2008-07-29 2008-07-29 放射線画像撮影システム
JP2008-194376 2008-07-29

Publications (1)

Publication Number Publication Date
WO2010013506A1 true WO2010013506A1 (fr) 2010-02-04

Family

ID=41610216

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/053637 Ceased WO2010013506A1 (fr) 2008-07-29 2009-02-27 Système d'imagerie radiographique

Country Status (2)

Country Link
JP (1) JP2011206068A (fr)
WO (1) WO2010013506A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015058342A (ja) * 2014-02-19 2015-03-30 株式会社東芝 移動型ｘ線診断装置
JP2017074204A (ja) * 2015-10-14 2017-04-20 キヤノン株式会社 放射線撮影システム、制御装置、放射線撮像装置、及び放射線撮影システムの制御方法
JP2017127415A (ja) * 2016-01-19 2017-07-27 東芝メディカルシステムズ株式会社 Ｘ線診断システム

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6576049B2 (ja) 2015-02-26 2019-09-18 キヤノン株式会社 制御装置、制御方法及びプログラム
JP6666984B2 (ja) * 2018-11-08 2020-03-18 キヤノン株式会社 放射線撮影システム、撮影装置、放射線撮影システムの制御方法およびプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004141473A (ja) * 2002-10-25 2004-05-20 Canon Inc Ｘ線撮影システム

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004141473A (ja) * 2002-10-25 2004-05-20 Canon Inc Ｘ線撮影システム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015058342A (ja) * 2014-02-19 2015-03-30 株式会社東芝 移動型ｘ線診断装置
JP2017074204A (ja) * 2015-10-14 2017-04-20 キヤノン株式会社 放射線撮影システム、制御装置、放射線撮像装置、及び放射線撮影システムの制御方法
JP2017127415A (ja) * 2016-01-19 2017-07-27 東芝メディカルシステムズ株式会社 Ｘ線診断システム

Also Published As

Publication number Publication date
JP2011206068A (ja) 2011-10-20

Similar Documents

Publication Publication Date Title
JP5880433B2 (ja) 放射線画像撮影システム
WO2009142041A1 (fr) Système de capture d’image de rayonnement
JP5200625B2 (ja) 放射線画像生成システム
JP5151699B2 (ja) 放射線画像撮影システム
WO2009150869A1 (fr) Système d’imagerie radiographique
WO2010013506A1 (fr) Système d'imagerie radiographique
JP5151676B2 (ja) 放射線画像撮影システム
JP2008188330A (ja) 放射線画像撮影システム及び制御装置
JP2012095882A (ja) 放射線画像撮影システム
JP5585390B2 (ja) 放射線画像撮影システム
JP5776166B2 (ja) 放射線画像撮影システム
JP2013176407A (ja) 放射線画像撮影システム
JP5773048B2 (ja) 放射線画像撮影装置の補正データ生成方法及び放射線画像撮影システム
JP7316915B2 (ja) 放射線撮影装置、放射線撮影システム及び放射線撮影システムの制御方法
WO2010001635A1 (fr) Système de capture d'image de rayonnement
JP2010012060A (ja) 可搬型放射線画像検出器および放射線画像撮影システム
JP2009291338A (ja) 放射線画像撮影システム
JP5482874B2 (ja) 放射線画像撮影システム
JP5482872B2 (ja) 放射線画像撮影システム
WO2011046049A1 (fr) Système de capture d'image de rayonnement
JP5482871B2 (ja) 放射線画像撮影システム
JP5482873B2 (ja) 放射線画像撮影システム
JP2019107473A (ja) コンソール及び放射線画像撮影システム
JP5423914B2 (ja) 放射線画像生成システム
JP2008154719A (ja) 放射線画像撮影システム、制御装置及び放射線画像検出装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09802751

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: JP

122 Ep: pct application non-entry in european phase

Ref document number: 09802751

Country of ref document: EP

Kind code of ref document: A1