WO2006030593A1 - 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
- Publication number
- WO2006030593A1 WO2006030593A1 PCT/JP2005/014838 JP2005014838W WO2006030593A1 WO 2006030593 A1 WO2006030593 A1 WO 2006030593A1 JP 2005014838 W JP2005014838 W JP 2005014838W WO 2006030593 A1 WO2006030593 A1 WO 2006030593A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- state
- radiation image
- image detector
- battery
- radiation
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2018—Scintillation-photodiode combinations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/56—Details of data transmission or power supply, e.g. use of slip rings
Definitions
- the present invention relates to a radiographic image detector and a radiographic image capturing system.
- FPD flat panel detector
- the radiation image detector is roughly classified into a stationary type that is stationary at a predetermined position as a part of the system and a portable type that is portable (force set type), and is easy to carry and handle. Recently, the use of force set-type radiation image detectors has been widely studied.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-181942
- TFTs thin film transistors
- the members constituting the radiation image detector there are members such as photodiodes and TFTs that deteriorate with time when power is supplied. For this reason, for example, when radiography is not performed for a long period of time and the power supply state is maintained with respect to the members that have deteriorated with time, the radiographic image detector is caused by the deterioration of these members. If the lifetime of is shortened, there will be a problem.
- the present invention has been made to solve the above-described problems.
- the efficiency of the entire radiation imaging workflow is improved, and The purpose is to extend the life of the members of the radiation image detector.
- the radiological image detector comprises:
- a radiation image detector that has a plurality of operating states and obtains radiation image information by detecting irradiated radiation
- a power supply source including a rechargeable or replaceable battery for supplying power to a plurality of drive units; a state storage unit for storing post-completion operation information regarding an operation state after the battery is completely charged or replaced;
- the [0010] A radiographic imaging system includes:
- a radiation image detector which has a plurality of operating states and obtains radiation image information by detecting irradiated radiation
- a state storage unit for storing post-completion operation information related to the operation state after the battery has been charged or replaced
- the post-completion operation information is stored in the state storage unit.
- the radiation image detector is
- a power supply source that includes a rechargeable or replaceable battery and supplies power to a plurality of drive units, and after completion of charging or replacement of the battery, according to the post-completion operation information stored in the state storage unit And a control unit for controlling the operating state of each of the drive units.
- radiographic image detectors and radiographic imaging systems have the effects of improving the overall efficiency of the radiographic imaging workflow and extending the life of members of the radiographic image detector.
- the control unit may store the post-completion operation information in the state storage unit based on an operation state immediately before charging or replacing the battery.
- the operation state of the radiation image detector is based on the operation state immediately before the battery is charged or replaced. If the battery is charged or replaced, control is performed so that the camera is ready for shooting or shooting standby after completion, or if the battery is charged or replaced in shooting standby, the camera is set in shooting standby after completion. Therefore, even if the operator does not know and set the operation state of the radiation image detector, it will return to an appropriate operation state after the battery is fully charged or replaced. This has the effect of suppressing the deterioration and increase in power consumption and enabling efficient shooting.
- the operation state after the charging or replacement of the battery is completed can be selected and set, and the control unit can select and set the operation state.
- the post-completion operation information may be stored in the state storage unit.
- the operation state after the battery charging or replacement is completed is selected and set so that the operation state after the battery charging or replacement is completed is a desired state. Can do. For this reason, there is an effect that it is possible to suppress the deterioration of the member and the increase in power consumption and to perform an efficient photographing operation.
- the operation state after completion of charging or replacement of the battery can be set to a preset operation state or arbitrarily set, and the control unit can select a preset operation state based on the selection.
- the post-completion operation information may be stored in the state storage unit based on the state or an arbitrarily set operation state.
- the power consumption to the at least a part of each of the drive units is less than the shooting enabled state and consumes less power!
- the operation state after battery charging or replacement is completed can be set to an appropriate state according to the situation, suppressing deterioration of members and increase in power consumption, and efficiency The effect which can perform typical photography work is produced.
- the plurality of operating states are:
- the power consumption to the at least a part of each of the drive units is less than the shooting enabled state and consumes less power!
- the radiographic image detector since the radiographic image detector has an operation state including a radiographable state, an imaging standby state, and an imaging pause state, it is possible to suppress deterioration of members and increase in power consumption.
- the shooting standby state is:
- the photographing standby state has a plurality of modes, there is an effect that the operation state can be made more appropriate and deterioration of members and increase in power consumption can be suppressed.
- photodiodes, TFTs, etc. take time to stabilize to a state suitable for photography once power supply is stopped.
- they have the property of deteriorating over time when power is supplied. Therefore, it is preferable not to stop the power supply to the photodiode or TFT in a shooting environment where continuous shooting is performed with a short break, etc. In a shooting environment, it is preferable to stop power supply to these.
- the controller is
- the communication mode when the communication mode is in a state where power is supplied to the communication unit while minimizing the power consumption, it receives the signal of the external device power while charging or replacing the battery and It is possible to start control immediately after the charging or replacement to move to the next shooting, and the reduction in work efficiency can be suppressed.
- the battery is a
- the battery is in a non-energized state at the time of replacement, and the operator can be prevented from being exposed to a risk of electric shock from the battery replaced by the operator when the battery is replaced.
- a force set type flat panel detector that detects irradiated radiation, converts the radiation into an electrical signal, accumulates it, and reads the accumulated electrical signal to acquire radiation image information.
- the radiation image detector power set type FPD makes it easy to carry around regardless of the shooting location, improving the degree of freedom of shooting, and operating after the battery has been charged or replaced.
- the state can be changed to an appropriate state, and there is an effect that the deterioration of the member and the increase in power consumption can be suppressed.
- a radiographic workflow is provided. This has the effect of improving the overall efficiency and extending the life of the members of the radiation image detector.
- FIG. 1 is a diagram showing a schematic configuration illustrating an embodiment of a radiographic image capturing system.
- FIG. 2 is a perspective view showing a main configuration of a radiation image detector.
- FIG. 3 is an equivalent circuit configuration diagram for one pixel of a photoelectric conversion unit configuring a photoelectric conversion layer.
- FIG. 4 is an equivalent circuit configuration diagram in which the photoelectric conversion units shown in FIG. 3 are two-dimensionally arranged.
- FIG. 5 is a block diagram showing a main configuration of a radiation image detector.
- FIG. 6 is a block diagram showing a main configuration of the console.
- FIG. 7 is a flowchart showing the processing performed by the radiographic image detector over time when the radiographic imaging system is activated.
- FIG. 8 is a flowchart showing the processing performed in the console over time when the radiographic imaging system is activated.
- FIG. 9 is a drawing showing an example of a non-energization mechanism.
- FIG. 10 is a flowchart showing the processing performed by the radiological image detector over time when the radiographic image capturing system according to the second embodiment is operated.
- FIG. 11 is a flowchart showing a process performed over time when the radiographic image capturing system according to the second embodiment is operated.
- FIG. 1 is a diagram showing a schematic configuration of an embodiment of a radiographic imaging system to which a radiographic image detector according to the present invention is applied.
- the radiographic imaging system 1 according to the present embodiment is a system that is applied, for example, in radiographic imaging performed in a hospital. As shown in Fig. 1, various types of information about radiography and patients, etc.
- Server 2 that manages the radiography
- radiography operation device 3 that performs operations relating to radiographic imaging
- a base station 4 that performs communication by a wireless communication method such as a wireless local area network (LAN), and a radiographic image detector 5
- a console 6 is connected through a network 7 for operating and processing the radiation image detected by the radiation image detector 5.
- LAN wireless local area network
- a radiographic image capturing device 10 is connected to the radiographing operation device 3 via a cable 8 to irradiate a patient as a subject 9 with radiation to capture a radiographic image.
- the radiographic image capturing device 10 and the radiographic image detector 5 are installed, for example, in one radiographing room 11 one by one.
- the radiographic image capturing device 10 is operated by the radiographing operation device 3 to detect the radiographic image detector 5.
- the radiation image information can be obtained by detecting the radiation image by. Note that a plurality of radiation image detectors 5 may be provided in one imaging room 11.
- the network 7 may be a dedicated communication line for the system. However, the network 7 may be an existing line such as Ethernet (registered trademark) because of a low degree of freedom in system configuration. Some are preferred. In addition to those exemplified here, the network 7 may be connected to a plurality of imaging operation devices 3, radiographic image detectors 5, and consoles 6 for operating the radiographic imaging devices 10 in other imaging rooms 11.
- Ethernet registered trademark
- the imaging operation device 3 is composed of an operation panel or the like, and operates the radiographic imaging device 10. For example, an input operation unit for inputting signals such as imaging conditions, information on imaging conditions, various instructions, and the like are displayed. And a power supply unit for supplying power to the radiation image capturing apparatus 10 (not shown).
- the radiographic imaging device 10 is disposed inside a radiographing room 11 and has a radiation source 12, and radiation is generated when a tube voltage is applied to the radiation source 12. Yes.
- a radiation tube is used as the radiation source 12.
- the radiation tube generates radiation by accelerating electrons generated by thermal excitation at a high voltage and colliding with the cathode.
- the radiographic image detector 5 detects the radiation irradiated from the radiation source 12 of the radiographic imaging device 10 and transmitted through the subject 9, and acquires a radiographic image. It is arranged in the irradiation range of radiation emitted from the source 12. For example, as shown in FIG.
- the radiation image detector 5 is disposed between the subject 9 and the bed 13 on which the subject 9 is placed, but the radiation image detector 5 is disposed at this position.
- a detector mounting port (not shown) for mounting the radiation image detector 5 is provided below the bed 13 so that the radiation image detector 5 is mounted in the detector mounting port. Also good.
- the radiation image detector 5 is a flat panel type radiation image detector 5.
- the structure of the radiation image detector 5 will be described with reference to FIGS. 2 and 3.
- the radiation image detector 5 includes a casing 14 that protects the inside, and is configured to be portable as a force set.
- An imaging panel 15 that converts irradiated radiation into an electrical signal is formed in layers inside the casing 14.
- a light emitting layer (not shown) that emits light according to the intensity of the incident radiation is provided on the radiation irradiation side of the imaging panel 15.
- the light emitting layer is generally called a scintillator layer.
- a phosphor is a main component, and an electromagnetic wave having a wavelength of 300 nm to 800 nm based on incident radiation, that is, visible light is mainly used.
- Ultraviolet light power Electromagnetic waves (light) over infrared light are output.
- Phosphors used in the light emitting layer include, for example, those based on CaWO or the like, Csl:
- T1 or Gd O S Tb, ZnS: Ag etc. with activated luminescent material in the matrix
- the rare earth element is M, it is represented by the general formula of (Gd, M, Eu) O.
- Csl: T1 and Gd O S: Tb are preferred over the high radiation absorption and emission efficiency to obtain high-quality images with low noise.
- FIG. 3 is an equivalent circuit diagram of the photoelectric conversion unit for one pixel that constitutes the signal detection unit 151.
- the configuration of the photoelectric conversion unit for one pixel includes a photodiode 152 and a thin film transistor (hereinafter referred to as "TFT") that extracts electrical energy accumulated in the photodiode 152 as an electrical signal by switching. 153).
- TFT thin film transistor
- the extracted electric signal is amplified by the amplifier 154 to a level that can be detected by the signal reading circuit 17.
- the amplifier 154 is connected to a reset circuit (not shown) composed of a TFT 153 and a capacitor, and a reset operation for resetting the stored electrical signal is performed by turning on the TFT 153.
- the photodiode 152 may be simply a photodiode having a regulation capacitance, or may include an additional capacitor in parallel so as to improve the dynamic range of the photodiode 152 and the photoelectric conversion unit.
- FIG. 4 is an equivalent circuit diagram in which such photoelectric conversion units are two-dimensionally arranged, and between the pixels, the scanning line L1 and the signal line Lr are arranged to be orthogonal to each other.
- a TFT 153 is connected to the photodiode 152, and one end of the photodiode 152 on the side to which the TFT 153 is connected is connected to the signal line Lr.
- the other end of the photodiode 152 is connected to one end of an adjacent photodiode 152 arranged in each row and connected to a bias power source 155 through a common bias line Lb.
- One end of the bias power source 155 is connected to the control unit 27, and a voltage is applied to the photodiode 152 through the bias line Lb according to an instruction from the control unit 27.
- the TFTs 153 arranged in each row are connected to a common scanning line L 1, and the scanning line L 1 is connected to the control unit 27 via the scanning drive circuit 16.
- the photodiodes 152 arranged in each column are connected to a signal readout circuit 17 that is connected to a common signal line Lr and controlled by the control unit 27.
- an amplifier 154 In the signal readout circuit 17, an amplifier 154, a sample hold circuit 156, an analog multiplexer 157, and an AZD converter 158 are arranged on a common signal line Lr.
- TFT153 is an inorganic semiconductor type used for liquid crystal displays and the like. Even if the machine semiconductor is used, it may be misaligned.
- the photodiode 152 as the photoelectric conversion element is used is exemplified, but a solid-state imaging element other than the photodiode may be used as the photoelectric conversion element.
- a pulse is sent to each photoelectric conversion element to scan and drive each photoelectric conversion element, and to each photoelectric conversion element A signal reading circuit 17 for reading the stored electric energy is arranged.
- the radiation image detector 5 includes an image storage unit 18 that also has a rewritable read-only memory, such as a RAM (Random Access Memory) and a flash memory, and the image storage unit 18 includes an imaging panel.
- the image signal output from 15 is stored.
- the image storage unit 18 may be a built-in memory or a removable memory such as a memory card.
- the radiation image detector 5 includes a plurality of driving units (for example, a scanning driving circuit 16, a signal reading circuit 17, a communication unit 24 (described later), an image storage unit 18, A rechargeable battery 21 is provided as a power supply source for supplying power to a charge amount detection unit (not shown), an indicator 25 (described later), an input operation unit 26 (described later), an imaging panel 15 and the like).
- driving units for example, a scanning driving circuit 16, a signal reading circuit 17, a communication unit 24 (described later), an image storage unit 18,
- a rechargeable battery 21 is provided as a power supply source for supplying power to a charge amount detection unit (not shown), an indicator 25 (described later), an input operation unit 26 (described later), an imaging panel 15 and the like).
- rechargeable batteries such as a negative power battery, a nickel metal hydride battery, a lithium ion battery, a small sealed lead battery, and a lead storage battery can be applied. Further, instead of the rechargeable battery 21, a fuel cell may be applied.
- a charging terminal 22 is formed at one end of the casing 14, and, for example, as shown in Fig. 1, the radiation image detector 5 is connected to a charging device 23 such as a cradle connected to an external power source. By attaching the terminal, a terminal (not shown) on the charging device 23 side and a terminal 22 on the casing 14 side are connected to charge the rechargeable battery 21.
- the shape of the charging battery 21 as the power supply source is not limited to that illustrated in FIG. 2, and for example, a plate-shaped battery may be provided in parallel with the imaging panel 15. By making the battery into such a shape, the area of the imaging panel 15 can be increased, and the imageable area can be widened.
- the radiation image detector 5 is provided with a communication unit 24 (see FIG. 5) that transmits and receives various signals to and from an external device such as the console 6.
- the communication unit 24 is, for example, an imaging panel.
- the image signal output from the console 15 is transferred to the console 6, and the shooting start signal that receives the console 6's power is received! /
- an indicator 25 for displaying the charging status of the rechargeable battery 21 and various operation statuses is provided at one end of the surface of the housing 14, and the operator can check the rechargeable battery 21 of the radiation image detector 5. It will be possible to visually check the charging status.
- an input operation unit 26 is provided on which an operator such as a radiologist inputs and sets imaging conditions, patient identification information, various instructions, and the like.
- the contents that can also be input by the input operation unit 26 are not limited to those illustrated here.
- the input operation unit 26 also functions as a selection setting unit that sets the operation state of the radiation image detector 5 in advance.
- the operation state of the radiation image detector 5 includes “imaging ready state”, “imaging standby state”, and “imaging suspension state”.
- the operation state after the charging is completed by the input operation unit 26 is selected and set to be an arbitrary operation state of “shooting ready state”, “shooting standby state”, and “shooting pause state”, or It is possible to select an operation state preliminarily associated with the operation state before the start of charging.
- the imaging enabled state is a state in which all the driving units used for a series of imaging operations among the members constituting the radiation image detector 5 are operating, that is, power is supplied to all the driving units. It is in a state.
- a drive unit used for such a series of photographing operations there are a scanning drive circuit 16, a signal readout circuit 17, a photodiode 152, a TFT 153, an image storage unit 18, and a communication unit 24.
- initialization of image information in the image storage unit 18, accumulation of electric energy generated in accordance with the irradiated radiation in the photodiode 152, the scanning drive circuit 16 and the signal readout circuit 17 There are various operations such as reading of an electric signal in, and transfer of an image signal in the communication unit 24. In a state where photography is possible, a series of these photographing operations can be performed. In the initialization, the reset operation and idle reading operation in the imaging panel 15 are performed.
- the shooting standby state includes a "first shooting standby mode” that consumes less power than the shooting enabled state and a "second shooting standby mode” that consumes less power than the first shooting standby mode. is there .
- the first shooting standby mode and the second shooting mode are set.
- the shadow standby mode can be selected, and one of these two modes can be selected!
- the first shooting standby mode is a state in which power is supplied to all the drive units used for a series of shooting operations except for the signal readout circuit 17 that can be quickly started to a shooting ready state. This is a shooting standby state in which shooting can be performed immediately. Specifically, power is supplied to the scanning drive circuit 16, photodiode 152, TFT 153, image storage unit 18, communication unit 24, and control unit 28.
- the image storage unit 18 which is a part related to image storage, the communication unit 24 and the control device 28 which are parts related to transfer of image information to the outside and reception of external force signals are transmitted.
- the shooting standby state where power is supplied and at least some of the other drive units are in a state where the power supply amount is lower than normal and the power consumption is lower than in the first shooting standby mode. is there.
- the second shooting standby mode is a state in which power is supplied only to the image storage unit 18, the communication unit 24, and the control device 28, and power consumption that cannot be taken immediately. This is a shooting standby state in a very low state.
- the imaging pause state is a complete power saving state in which all power supply to each drive unit of the radiation image detector 5 is stopped.
- the input operation unit 26 sets, as basic state setting means, which is a basic state selection setting means, the operating state of the radiation image detector 5 to be set to the imaging ready state or each imaging standby mode. I am able to do that.
- the “basic state” is an operation state that is selected unless any setting change is made. For example, when the radiographic image detector 5 is used in a situation where the frequency of imaging is low, the second imaging standby mode is selected and set as the basic state, so that the power of the photodiode 152 or TFT 153 can be reduced. Members that deteriorate over time due to supply can be protected, and power can be saved.
- the radiographable state or the first imaging standby mode is selected and set as the basic state. Electricity is supplied to the photodiode 152 and the TFT 153, which take time to start up, and it is possible to perform rapid and efficient photographing.
- the radiation image detector 5 is connected to each drive unit by the rechargeable battery 21.
- the power supply is performed. Therefore, it is preferable that the first shooting standby mode is selected and set as a basic state for realizing a quick and efficient shooting operation while suppressing power consumption. On the other hand, if you do not plan to shoot for a while, you can select the shooting pause mode as the basic status.
- the input operation unit 26 sets the operation state of the radiation image detector 5 to the imaging enabled state after charging the rechargeable battery 21 as a post-condition setting unit which is a post-condition selection setting unit. It is possible to select and set whether to set the shooting standby mode or the shooting pause mode.
- the “post-condition” refers to the state after the rechargeable battery 21 is charged. The post-condition can be set arbitrarily, so that it is possible to take a picture immediately after the rechargeable battery 21 is charged, It is possible to set the optimum operating state according to the time zone.
- the content that can be input from the input operation unit 26 is not limited to the operation state selection setting, and that an operator such as a radiologist can input and set imaging conditions, patient identification information, and the like. Let's go out.
- the radiation image detector 5 includes a control device 28 having a control unit 27 composed of, for example, a general-purpose CPU, ROM, RAM, etc. (all not shown), and the control unit 27 is stored in the ROM.
- the predetermined program to be read is read out and expanded in the RAM work area, and the CPU executes various processes according to the program.
- the radiation image detector 5 includes a charge amount detection unit (not shown), and the control unit 27 stores the charge status of the rechargeable battery 21 detected by the charge amount detection unit (for example, the voltage value of the rechargeable battery 21). ) Is sent as a signal, and the control unit 27 displays the charge amount of the rechargeable battery 21 on the indicator 25 based on the sent signal.
- Such charge amount detection means may be one in which the control unit 27 detects the charge amount from the measurement result of a voltmeter that measures the voltage between both electrodes of the rechargeable battery 21,
- the measurement result force of the voltmeter that measures the voltage between the electrodes may be a unit that detects the amount of charge by a unit independent of the control unit 27, or a drive unit that is supplied with power from the rechargeable battery 21 (for example, control Part 27) may be used to measure the voltage supplied and estimate the amount of charge from the supply voltage.
- control Part 27 a drive unit that is supplied with power from the rechargeable battery 21
- the control unit 27 determines that the charge amount of the rechargeable battery 21 falls below a predetermined level based on the detection result by the charge amount detection means and is required to be charged, the communication unit 24 is used. The signal to that effect is sent to the console 6. Furthermore, when the control unit 27 determines that charging is complete for the rechargeable battery 21 based on the detection result by the charge amount detection means, the control unit 27 sends a signal to that effect to the console 6 via the communication unit 24. It is designed to send. The charge amount of the rechargeable battery 21 should be sent to the console 6 via the communication unit 24 as needed.
- the operating state of the radiation image detector 5 is transmitted from the control unit 27 to the console 6 via the communication unit 24 as needed.
- the state storage unit 35 stores post-completion operation information regarding the operation state of the radiation image detector 5 after the charging or replacement of the rechargeable battery 21 is completed.
- the state storage unit 35 is configured by a rewritable dedicated memory such as a flash memory.
- the control unit 27 when the operation state (basic state or posterior state) of the radiation image detector 5 is selected and set by the input operation of the input operation unit 26 by the operator, the control unit 27 performs the selection setting.
- the information regarding the operation state is stored in the state storage unit 35 as “post-completion operation information”.
- the control unit 27 controls the operating state of each driving unit according to the post-completion operation information already stored in the state storage unit 35. .
- the control unit 27 reads the post-completion operation information stored in the state storage unit 35 from the state storage unit 35, recognizes the operation state selected and set by the operator, and becomes the recognized operation state. In this way, the power supply from the rechargeable battery 21 to each drive unit is controlled to control the operating state of each drive unit.
- Information input from the input operation unit 26 and signals received from the communication unit 24 are sent to the control unit 27, and the control unit 27 is configured to transmit each unit based on the transmitted signal. It is designed to control.
- an instruction to select and set the shooting enabled state, the first shooting standby mode, the second shooting standby mode, and the shooting pause state is input from the input operation unit 26.
- the input signal is sent to the control unit 27.
- the control unit 27 recharges the rechargeable battery so that the basic state of the radiation image detector 5 and the posterior state after completion of charging become the operation state according to this input signal.
- the power supply from 21 is controlled so that power is appropriately supplied to each drive unit of the radiation image detector 5.
- the controller 27 sets the image so that the radiographic image detector 5 is in the second imaging standby mode, which is the operating state with the least power consumption, while the rechargeable battery 21 is being charged. Only the storage unit 18 and the communication unit 24 are supplied with power from the rechargeable battery 21 to control the operating state of each drive unit.
- the imaging enabled state is further selected as the posterior state.
- the communication unit 24 instructs the external device such as the console 6 to start shooting.
- the second shooting standby mode is switched to the first shooting standby mode, and the shooting is ready.
- the control unit 27 may control the power supply of the rechargeable battery 21 so as to supply each drive unit with the necessary power so that the power is switched stepwise. In this case, power may be supplied to all the drive units used for a series of shooting operations so that the second shooting standby mode can be switched directly to a shooting ready state instead of switching in stages.
- the first shooting standby mode is set as the basic state from the input operation unit 26, the first state is selected when the shooting ready state is selected as the posterior state or when a shooting start signal is received.
- the control unit 27 may control the power supply from the rechargeable battery 21 so that power is sequentially supplied to each drive unit so as to switch from the shooting standby mode to the shooting ready state.
- control unit 27 drives the scanning drive circuit 16 to send a pulse to each photoelectric conversion element so as to scan and drive each photoelectric conversion element. Then, the signal is read out by the signal reading circuit 17 that reads out the electric energy accumulated in each photoelectric conversion element, and the read image signal is sent to the control unit 27.
- the control unit 27 stores the transmitted image signal in the image storage unit 18. In addition, the image signal stored in the image storage unit 18 is appropriately sent to the console 6 via the communication unit 24.
- the console 6 includes a control device 30 having a control unit 29 composed of, for example, a general-purpose CPU, ROM, RAM, etc. (all not shown).
- the control unit 29 is a predetermined unit stored in the ROM. This program is read out and expanded in the RAM work area, and the CPU executes various processes according to the program.
- the console 6 transmits signals to and from external devices such as an input operation unit 31 for inputting various instructions, a display unit 32 for displaying images and various messages, and the radiation image detector 5. Provide communication unit 33 etc. to send and receive.
- the input operation unit 31 is configured with, for example, an operation panel, a keyboard, a mouse, or the like.
- the input operation unit 31 is a control unit using, as an input signal, a key press signal or a mouse operation signal pressed by the operation panel or keyboard. Output to 29.
- the display unit 32 is configured to include, for example, a CRT (Cathode Ray Tube), an LCD (Liquid Crystal Display), and the like, and displays thumbnail images and the like according to instructions of a display signal output from the control unit 29. Various information such as radiation images and various information input from the input operation unit 31 is displayed!
- CTR Cathode Ray Tube
- LCD Liquid Crystal Display
- the display unit 32 displays the charge amount of the rechargeable battery 21 of the radiation image detector 5 and the charge of the rechargeable battery 21.
- Various information sent via the communication unit 24 of the radiographic image detector 5 such as whether the radiographic image detector 5 is completed or not is displayed.
- the contents displayed on the display unit 32 are not limited to those exemplified here, and more information may be displayed. Also, not all of the examples shown here may be displayed, but at least one of these may be displayed.
- the communication unit 33 communicates various information with the radiation image detector 5 via the base station 4 by a wireless communication method such as a wireless LAN.
- a signal input from the input operation unit 31, a signal received from the outside via the communication unit 33, or the like is sent to the control unit 29. Furthermore, the control unit 29 performs predetermined image processing based on, for example, the radiation image information detected by the radiation image detector 5. As a result, a thumbnail image or a radiographic image desired by a doctor or the like can be obtained!
- FIGS. 7 and 8 processing by the radiographic image detector 5 (see FIG. 7) and the console). It is divided into the processing by 6 (see Fig. 8).
- the control unit 27 uses the post-completion operation information stored in the state storage unit 35 to determine that It recognizes whether the camera is ready for shooting, the shooting standby state, or the shooting pause state as the basic state (step SA1).
- control unit 27 When the control unit 27 recognizes the basic state, the control unit 27 causes the charge amount detection unit to detect the charge amount of the rechargeable battery 21, and whether or not the charge amount of the rechargeable battery 21 is equal to or greater than a predetermined amount necessary for photographing or the like. (Step SA2). If it is determined that the charge amount of the rechargeable battery 21 is equal to or greater than the predetermined amount (step SA2; YES), the operating state of each drive unit is controlled according to the recognized basic state (step SAl lb, see later).
- control unit 27 indicates that the charge amount of rechargeable battery 21 is less than the predetermined amount. Display on indicator 25 (step SA3) and send a signal to that effect to console 6 (step SA4).
- control unit 27 repeatedly determines whether or not charging of the rechargeable battery 21 has been started based on the detection result by the charge amount detection means (step SA5). If it is determined that the battery 21 has been charged (step SA5; YES), the process proceeds to step SA6.
- the operator charges the rechargeable battery 21 in response to the warning displayed by the indicator 25 (the radiographic image detector 5 is placed on the charging device 23), the terminal of the charging device 23 and the radiographic image are displayed. The terminal 22 of the detector 5 is electrically connected, and charging of the rechargeable battery 21 is started.
- control unit 27 charges the rechargeable battery 21 only in the image storage unit 18 and the communication unit 24 so that the radiation image detector 5 enters the second imaging standby mode in which the power consumption is the lowest. Electric power is supplied to control the operating state of each drive unit (step SA6).
- control unit 27 detects the charge amount of the rechargeable battery 21 by the charge amount detection means. It is repeatedly determined whether or not the charge amount of the rechargeable battery 21 has reached a predetermined amount and charging is completed (step SA7). If it is determined that the rechargeable battery 21 is fully charged (step SA7; YES), then A message to that effect is displayed on indicator 25 (step SA8), and a signal to that effect is sent to console 6 (step SA9).
- the control unit 27 determines whether or not the a posteriori state of the radiation image detector 5 has been selected and set by the operator (step SA10).
- the selection of the posterior state of the radiation image detector 5 is an operation that can be performed any time before the process of step SA10 is executed, and may be performed before the charging of the rechargeable battery 21 is started.
- the charging may be performed while the rechargeable battery 21 is being charged, or may be performed after the charging of the rechargeable battery 21 is completed.
- the posterior state is stored in the state storage unit 35 as operation information after completion.
- step SAIO determines that the posterior state is selected and set as a result of the determination
- step SAIO determines that the posterior state is selected and set as a result of the determination
- step SA10 determines that the posterior state is not selected and set
- step SA10 determines that the posterior state is not selected and set
- step SA10 determines that the posterior state is not selected and set
- step SA10 determines that the posterior state is not selected and set
- step SA10 determines that the posterior state is not selected and set
- the basic state is selected and set from the post-completion operation state stored in the state storage unit 35!
- step SA1 lb power is supplied from the rechargeable battery 21 to each unit so that the recognized basic state is obtained, and the operating state of each drive unit is controlled
- the control unit 27 supplies power from the rechargeable battery 21 to all the driving units used for a series of photographing operations. Supply.
- the control unit 27 includes the scanning drive circuit 16, the photodiode 152, the TFT 153, the image storage unit 18, and the communication unit. Power is supplied from the rechargeable battery 21 to each component such as 24.
- the control unit 27 supplies power from the rechargeable battery 21 to the image storage unit 18 and the communication unit 24. Like that.
- the control unit 27 drives each drive from the rechargeable battery 21. Do not supply power to the unit.
- a state storage unit 35 is provided in the console 6, and after completion of the operation information is stored in the state storage unit 35 in response to an operation input from the input operation unit 31 of the console 6, radiation detection is performed.
- the control unit 27 of the detector 5 or the control unit 29 of the console 6 reads the operation information after completion from the state storage unit 35, and the control unit 27 of the radiation detector 5 receives the operation information after completion and receives the received completion information. It may be possible to recognize the operation state selected and set from the post-operation information and control the operation state of each drive unit so that the recognized operation state is obtained.
- the control unit 27 performs the operation state of the radiation image detector 5 in addition to the operation state.
- Various information such as the charge amount of the rechargeable battery 21 of the radiation image detector 5 is transmitted to the console 6 (step SA12).
- the control unit 27 determines whether or not the operation state of the radiation image detector 5 is selected and set to the imaging enabled state, and the operation state of the radiation image detector 5 is actually in the imaging enabled state. (Step SA13), and if it is determined that the operation state of the radiation image detector 5 is now ready for imaging (Step SA13; YES), the stored image information is prepared for new imaging. Perform initialization such as reset and empty reading (step SA14). If the photographing is not possible (step SA13; NO), the process returns to step SA1.
- the control unit 27 repeatedly determines whether or not the radiographic imaging has been started by the operator (step SA15), and if it is determined that the radiographic imaging has started as a result of the determination (step SA15). ; YES), the process proceeds to step SA16.
- radiation imaging is actually started, radiation is irradiated from the radiation source 12, and the control unit 27 sends a pulse to each photoelectric conversion element by the scanning drive circuit 16 to scan and drive each photoelectric conversion element.
- the image signal is acquired by reading out the electric energy accumulated in each photoelectric conversion element by the signal reading circuit 17 (step SA16).
- control unit 27 After acquiring the image signal, the control unit 27 stores the image signal as the radiation image information of the subject 9 in the image storage unit 18, and transmits the stored image signal to the console 6 (step SA17). The series of processes of steps SA1 to SA17 are repeatedly executed. [0096] Subsequently, in console 6, control unit 29 receives the processing of step SA4 by control unit 27 of radiographic image detector 5 and receives a notification that the charge amount of rechargeable battery 21 is less than a predetermined amount. Judgment is made on whether or not the power (step SB1).
- step SB1 determines that the charge amount of the rechargeable battery 21 is less than the predetermined amount (step SB1; YES)
- the display unit 32 indicates that the rechargeable battery 21 needs to be charged.
- the operator is warned by displaying on the screen (step SB2).
- the charging amount of the rechargeable battery 21 is sent as a signal from the radiation image detector 5 to the console 6 as needed, and the control unit 29 displays the charged amount of the rechargeable battery 21 on the display unit 32 as needed based on the sent signal. Let's do it.
- Step SBl the control unit 29 receives the processing of the above step SA9 by the control unit 27 of the radiation image detector 5 and determines whether or not it has received the message that the charging of the rechargeable battery 21 is completed. (Step SB3). As a result of the determination, if the control unit 29 determines that charging of the rechargeable battery 21 has been completed (step SB3; YES), the control unit 29 displays on the display unit 32 that charging of the rechargeable battery 21 has been completed ( Step SB4).
- step SB 3 determines whether charging of the rechargeable battery 21 has not been received.
- step SB5 determines whether various information has been received in addition to the operating state of the radiation image detector 5.
- step SB6 determines that such various information has been received if the control unit 29 determines that such various information has been received.
- step SB7 determines that an image signal has been received.
- step SB8 determines that an image signal has been received
- step SB8 executes predetermined image processing on the image signal
- step SB9 A radiation image is acquired and the radiation image is displayed on the display unit 32 (step SB9).
- control unit 29 receives the image signal and determines that the image signal is a bad error (step SB7; NO), and when the processes of steps SB2, SB4, SB6, and SB9 are completed, A series of processes from SB1 to step SB9 are repeatedly executed.
- power is supplied to each unit so that the radiation image detector 5 is in the imaging ready state, the imaging standby state, and the imaging suspension state, and thus imaging is not performed immediately.
- the photodiode 152 and the TFT 153 by preventing power supply to the photodiode 152 and the TFT 153, deterioration of the photodiode 152 and TFT 153 can be prevented, and the life of the radiation image detector 5 can be extended.
- power since power is not supplied to the signal reading circuit 17 or the like that consumes a large amount of power in the shooting standby state or shooting pause state, power consumption can be reduced, and multiple shootings can be performed with a single charge.
- the photodiode 152, TFT153, etc. that take time to start up again once the power supply is stopped.
- the power is kept supplied, and the power supply is stopped only for the signal readout circuit 17 with high power consumption. For this reason, if the first shooting standby mode is set after the battery has been charged or replaced, the camera can immediately shift to the shooting state while reducing power consumption.
- the second shooting standby mode power is supplied only to the minimum communication unit 24 and the like for receiving an external signal, and power is supplied. In this state, power supply to the photodiode 152, TFT 153, etc., which deteriorate with time, is stopped. For this reason, when the second shooting standby mode is set, the power consumption is minimized and the photodiode 152 and the TFT 153 are prevented from being deteriorated. Since it is possible to shift to a possible state, efficient shooting work can be performed.
- the shooting standby mode is not limited to the two types illustrated here.
- the photodiode 152 and TFT 153 which have the property of deteriorating over time, are all in standby mode for stopping the power supply, except for the image storage unit 18 and the communication unit 24. Stop, but once again stop power supply
- It may be possible to select a plurality of types of modes such as an imaging standby mode in which power supply is started earlier than other components only for the photodiode 152 and the TFT 153 that require time to increase. Also, it may be possible to have only one of the two shooting standby modes exemplified in this embodiment.
- the switching operation is set by the input operation unit 26 as selection setting means for selecting a shooting enabled state, various shooting standby states, and a shooting suspension state.
- the selection setting means may be provided separately from the input operation unit 26! ,.
- the selection setting means is not limited to the case where it is provided in the radiation image detector 5, and for example, the input operation unit 31 of the console 6 may function as the selection setting means. That is, the input operation unit 31 may set the basic state of the radiation image detector 5 as the basic state setting unit, or may set the operation state after charging as the posterior state setting unit.
- the charging device 23 or the like may be provided with a selection setting means, and may function as a post-condition setting means for setting a post-condition after completion of charging.
- an input operation unit in which an operator such as a radiation technician inputs and sets imaging conditions, patient identification information, various instructions, and the like outside the housing 14 of the radiation image detector 5.
- the selection setting means is provided separately from the means for inputting the imaging conditions, as described above, the input operation section 31 of the console 6 or the like, the input operation section of the radiation image detector 5 is provided.
- the radiation image detector 5 does not include the input operation unit 26 and may be configured!
- both the basic state setting means for selecting and setting the basic state and the posterior state setting means for selecting and setting the posterior state are provided as the selection setting means.
- the setting means may include only the basic state setting means or the posterior state setting means.
- the selection setting means automatically operates the radiation image detector 5 after completion of charging or replacement depending on which time of day the charging or replacement of the rechargeable battery 21 is performed.
- the state may be switched. That is, for example, if charging or replacement is performed in the daytime, the next shooting is likely to be performed immediately after the completion of charging or replacement, while shooting is not performed for a while at night. Probability is high.
- the camera will be ready to shoot or be in the first shooting standby mode after charging or replacement, and from 6 pm to 6 am If the rechargeable battery 21 is to be charged or replaced by the time, be sure to set it in advance to enter the second shooting standby mode or shooting pause state after charging or replacement is complete.
- the rechargeable battery 21 is provided as a power supply source.
- the configuration of the power supply source is not limited to that illustrated here.
- a replaceable use consisting of a manganese battery, an alkaline battery, an alkaline button battery, a lithium battery, a silver oxide battery, an air zinc battery, a nickel-cadmium battery, a mercury battery, a lead battery, etc. Try to have a discarded battery.
- the rechargeable battery 21 is detachable from the housing 14, and when the rechargeable battery 21 is attached or detached, power is not supplied from the rechargeable battery 21 to each drive unit (non-energized state).
- An energization mechanism may be provided.
- Fig. 9 shows an example of the de-energization mechanism.
- a rectangular opening 40 having a size capable of inserting the rechargeable battery 21 is formed in the casing 14, and a lid capable of covering the opening 40 is formed.
- the body 41 is connected to the housing 14 via a hinge (not shown).
- the lid 41 is openable and closable with respect to the opening 40 so that the rechargeable battery 21 can be replaced with another rechargeable battery 21 with the lid 41 open.
- the rechargeable battery 21 is energized in conjunction with the opening / closing operation of the lid 41. That is, when the lid 41 is opened, the energization circuit between the rechargeable battery 21 and the control unit 27 is cut off, and no power is supplied from the rechargeable battery 21 to each drive unit (non-energized state) On the other hand, when the lid 41 covers the opening 40, the energization circuit between the lid 41 and the control unit 27 is connected, and power is supplied from the rechargeable battery 21 to each drive unit ( It is configured to be energized.
- the operator replaces the battery or the rechargeable battery 21 with the radiation image detector for replacement. While the battery is being removed from 5, the radiation image detector 5 is powered off, and it is detected that the battery has been replaced and that the battery or rechargeable battery 21 has been installed in the radiation image detector 5. If this happens, it will move to the operating state set as the posterior state.
- the photographing suspension state is selected as the posterior state by the selection setting means, after the replacement of the battery or the rechargeable battery 21 is completed and the battery or the rechargeable battery 21 is attached to the radiation image detector 5 In addition, the photographing suspension state in which the power supply to each driving unit is completely stopped is maintained.
- whether or not the battery is removed is detected by, for example, a sensor or a mechanical switch provided at a contact portion of the battery or a lid of the storage portion for storing the battery, and the signal is controlled. It may be determined by being sent to part 27.
- a switch for switching ON / OFF of the power supply may be provided in the case 14, and the power supply may be turned OFF by operating this switch.
- the power supply ONZOFF may be switched by a signal from the console 6 or the like. In this way, when the power of the radiation image detector 5 is turned off during the battery replacement, the operation state is set as the post-condition when the battery replacement is completed. In this case, the posterior state may be set in advance. In this case, the basic state may be set in advance and the operation state may be shifted.
- a spare power source may be provided in addition to these batteries!
- the second shooting standby mode which is the operation state with the least power consumption during battery replacement, is entered, and after the battery replacement is completed, the operation state is set as the post-condition.
- the basic state may be set in advance and the operation state may be shifted to.
- the second shooting standby mode in which power is supplied from the rechargeable battery 21 only to the image storage unit 18 and the communication unit 24 is set.
- the operating state of the radiation image detector 5 during charging of the rechargeable battery 21 is not limited to this. While the rechargeable battery 21 is charging, it is preferable to be in an operating state with low power consumption. It is preferable that the power consumption is only supplied to the drive unit that should maintain the limited power supply, and that it is in the operating state with the least power consumption.
- the first shooting standby mode or the shooting ready state may be set during charging.
- the operating state before charging may be maintained even during charging.
- the operation state set as a post-condition may be set. That is, when charging is started, the operation state of the radiation image detector 5 is switched to the operation state set as the posterior state, and charging may be performed in this operation state.
- the shooting pause state during charging may be set.
- the charging device 23 can charge the radiation image detector 5 being charged.
- the operation state may be selected and set.
- the console 6 or the like may be configured to set the operation state of the radiation image detector 5 being charged.
- a charging device such as a cradle is used to charge the rechargeable battery 21. Power is charged by receiving power from an external power source by connecting a cord to the terminal of the radiation image detector. You may be made to do. It is also possible to charge the battery with the rechargeable battery removed from the radiation image detector.
- the radiographic imaging device 10 is operated by the imaging operation device 3, but the radiographic imaging device 10 may be configured to be operated by the console 6 or the like. In this case, it is possible to simplify the system configuration that does not require the photographing operation device 3 to be provided.
- control unit 27 controls all parts of the radiation image detector 5 such as the scanning drive circuit 16, the signal readout circuit 17, the communication unit 24, etc. in addition to the power supply from the rechargeable battery 21.
- each control part of the radiation image detector 5 such as the power supply from the rechargeable battery 21, the scanning drive circuit 16, the signal readout circuit 17, the communication part 24, etc. may be controlled by a separate control part. Good.
- the second embodiment is a modification of the first embodiment, and differences from the first embodiment will be described below.
- the operation state of the radiation image detector 5 includes an imageable state and an imaging standby state similar to the above, and can be switched and set in advance by operating the input operation unit 26. It becomes.
- the radiation image detector 5 is to be set to any of these operating states can be selected and set to the external device isotropic force such as the input operation unit 26 and the console 6. Further, it may be set in advance so that the operation state is automatically switched according to the elapsed time since the shooting was performed. That is, after shooting, when a certain time elapses in that state, the first shooting standby mode may be set first, and when the certain time elapses in that state, the second shooting standby mode may be set. Further, for example, the operation state of the radiation image detector 5 may be automatically switched depending on which time zone of the day. In other words, there is a high possibility that shooting will be performed continuously during the daytime, whereas shooting is not performed for a while at night.
- the first shooting standby mode is set between 6 pm and 6 pm until shooting starts, and the second is set between 6 pm and 6 am. Make sure that you can set the shooting standby mode in advance. Whether the radiation image detector 5 is in any of these operating states is transmitted from the control unit 27 to the console 6 via the communication unit 24 as needed.
- the radiation image detector 5 is configured to store information on the operation state of the radiation image detector 5 immediately before the state storage unit 35 charges the rechargeable battery 21 as operation information after completion.
- the operation state of the radiation image detector 5 is stored as information in the RAM of the control unit 27 as needed, but the terminal 22 of the radiation image detector 5 is connected to the terminal of the charging device 23 and is charged.
- information on the operation state of the radiation image detector 5 immediately before charging the rechargeable battery 21 stored in the RAM is stored in the state storage unit 35 as operation information after completion. It becomes like this.
- the control unit 27 determines that the charging of the rechargeable battery 21 is complete based on the detection result by the charge amount detecting means, the radiation image immediately before charging the rechargeable battery 21 is performed.
- the post-completion operation information indicating the operation state of the detector 5 is read from the state storage unit 35 to recognize the operation state of the radiation image detector 5 immediately before charging the rechargeable battery 21, and the same operation state as the recognized operation state.
- power is supplied from the rechargeable battery 21 to each drive unit of the radiation image detector 5 to control the operating state of each drive unit.
- the control unit 27 determines the charge amount of the rechargeable battery 21. It is detected by the detection means, and it is determined whether or not the charge amount of the rechargeable battery 21 is greater than or equal to a predetermined amount necessary for shooting or the like (step SC1). If it is determined that the amount exceeds the predetermined amount (step SC1; YES), the operation state of each drive unit is controlled according to the stored operation state (step SCI la, see later).
- step SC1 when it is determined that the charge amount of the rechargeable battery 21 is less than the predetermined amount (step SC1; NO), the control unit 27 displays on the indicator 25 that the charge amount of the rechargeable battery 21 is less than the predetermined amount. Then (step SC2), a signal to that effect is sent to the console 6 (step SC3).
- the control unit 27 determines whether the operator uses the rechargeable battery based on the detection result by the charge amount detection means. It is repeatedly determined whether or not it has started charging (Step SC4) . If the operator determines that charging of the rechargeable battery 21 has been started (Step SC4; YES), the process of Step SC5 is performed. Transition. When the operator charges the rechargeable battery 21 in response to the warning displayed by the indicator 25 (the radiation image detector 5 is placed on the charging device 23), the terminal of the charging device 23 and the radiation image are displayed. The terminal 22 of the detector 5 is electrically connected and charging of the rechargeable battery 21 is started.
- control unit 27 displays information on the operation state of the radiation image detector 5 (the operation state immediately before charging the rechargeable battery 21) stored in the RAM. After completion, it is stored in the state storage unit 35 as operation information (step SC5).
- control unit 27 charges the rechargeable battery 21 only in the image storage unit 18 and the communication unit 24 so that the radiation image detector 5 enters the second imaging standby mode in which the power consumption is the lowest. Electric power is supplied to control the operating state of each drive unit (step SC6).
- the control unit 27 causes the charge amount detection means to detect the charge amount of the rechargeable battery 21, and repeatedly determines whether or not the charge amount of the rechargeable battery 21 has reached a predetermined amount and charging is completed.
- Step SC7 When it is determined that charging of the rechargeable battery 21 is complete (Step SC7; YES), that fact is displayed on the indicator 25 (Step SC8), and a signal to that effect is sent to the console 6 ( Step SC9).
- the control unit 27 reads out post-completion operation information indicating the operation state of the radiation image detector 5 immediately before charging the rechargeable battery 21 from the state storage unit 35 and charges it. Recognize the operating state of the radiation detector 5 immediately before charging the battery 21 (step SC10), and supply the necessary power from the rechargeable battery 21 to each drive unit so that the operating state is the same as the recognized operating state. , Control the operating state of each drive (step SCl lb).
- the control unit 27 performs all the driving units used for a series of imaging operations from the rechargeable battery 21. To supply power.
- the control unit 27 includes the scanning drive circuit 16, the photodiode 152, the TFT 153, and the image storage unit. 18 Power is supplied from the rechargeable battery 21 to each drive unit such as the communication unit 24. Radiation image detector just before charging 5
- the control unit 27 causes the image storage unit 18 and the communication unit 24 to supply power from the rechargeable battery 21.
- step SC12 When the operation state of the radiation image detector 5 becomes the operation state immediately before the charging of the rechargeable battery 21, the control unit 27, in addition to the operation state of the radiation image detector 5, Various information such as the amount of charge of the rechargeable battery 21 is transmitted to the console 6 (step SC12).
- control unit 27 is in the case where the operation state of the radiation image detector 5 immediately before charging is in a state where imaging is possible, and the operation state of the radiation image detector 5 is actually ready for imaging. If it is determined that the operation state of the radiation image detector 5 is now ready for imaging (step SC13; YES), it is stored for new imaging. Reset the current image information and perform initialization such as idle reading (step SC14). If the camera is not ready for shooting (step SC13; YES), the process returns to step SC1.
- the control unit 27 repeatedly determines whether or not the radiography is started by the operator (step SC15), and if the result of the determination is that the radiography is started (step SC15). ; YES), the process proceeds to step SC16.
- radiation imaging is actually started, radiation is irradiated from the radiation source 12, and the control unit 27 sends a pulse to each photoelectric conversion element by the scanning drive circuit 16 to scan and drive each photoelectric conversion element.
- An image signal is obtained by reading out the electric energy accumulated in each photoelectric conversion element by the signal reading circuit 17 (step SC16).
- control unit 27 stores the image signal in the image storage unit 18 as the radiation image information of the subject 9, and transmits the stored image signal to the console 6 (step SC17).
- the series of processes in steps SC1 to SC17 are repeatedly executed.
- control unit 29 receives the processing of step SC3 by control unit 27 of radiographic image detector 5 and receives a notification that the charge amount of rechargeable battery 21 is less than the predetermined amount. Judgment is made (step SD1). As a result of the determination, when the control unit 29 determines that the charge amount of the rechargeable battery 21 is less than the predetermined amount (step SD1; YES), the display unit indicates that the rechargeable battery 21 needs to be charged. Warn the operator by displaying on 32 ( Step SD2). The charging amount of the rechargeable battery 21 is sent as a signal from the radiation image detector 5 to the console 6 as needed, and the control unit 29 displays the charged amount of the rechargeable battery 21 on the display unit 32 as needed based on the sent signal. Let's do it.
- Step SDl the control unit 29 receives the processing of step SC9 by the control unit 27 of the radiation image detector 5 and determines whether or not the charging of the rechargeable battery 21 has been received.
- Step SD3 the control unit 29 determines that charging of the rechargeable battery 21 has been completed.
- step SD4 the control unit 29 displays on the display unit 32 that charging of the rechargeable battery 21 has been completed.
- step S D3 determines whether the charging of the rechargeable battery 21 has not been received.
- step S D5 determines whether various information such as the charge amount of the rechargeable battery 21 of the radiation image detector 5 has been received.
- step SD5 determines that the various information has been received
- step SD6 the operation state of the radiation image detector 5 and the charge amount of the rechargeable battery 21 are appropriately displayed on the display unit 32.
- step SD7 determines that an image signal has been received.
- step SD8 determines that an image signal has been received
- step SD8 executes predetermined image processing on the image signal (step SD8) and is desired by a thumbnail image, a doctor, or the like.
- a radiation image is acquired, and the radiation image is displayed on the display unit 32 (step SD9).
- control unit 29 receives the image signal, and also includes the case where it is determined (step SD7; NO).
- steps SD2, SD4, SD6, and SD9 are completed, the above steps are performed. Each series of processes from step SD1 to step SD9 is executed repeatedly.
Abstract
Description
Claims
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-269974 | 2004-09-16 | ||
JP2004269974A JP2007333381A (ja) | 2004-09-16 | 2004-09-16 | 放射線検出器 |
JP2005-023643 | 2005-01-31 | ||
JP2005023643A JP2007333383A (ja) | 2005-01-31 | 2005-01-31 | 放射線画像検出器及び放射線画像撮影システム |
JP2005023659A JP2007333384A (ja) | 2005-01-31 | 2005-01-31 | 放射線画像検出器及び放射線画像撮影システム |
JP2005-023659 | 2005-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006030593A1 true WO2006030593A1 (ja) | 2006-03-23 |
Family
ID=36032922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/014838 WO2006030593A1 (ja) | 2004-09-16 | 2005-08-12 | 放射線画像検出器及び放射線画像撮影システム |
Country Status (2)
Country | Link |
---|---|
US (1) | US7365337B2 (ja) |
WO (1) | WO2006030593A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010046315A (ja) * | 2008-08-22 | 2010-03-04 | Konica Minolta Medical & Graphic Inc | 放射線画像生成システム及び放射線画像検出器 |
JP2010154897A (ja) * | 2008-12-26 | 2010-07-15 | Fujifilm Corp | 放射線画像撮影システム及び放射線検出カセッテの充電方法 |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006030592A1 (ja) * | 2004-09-16 | 2006-03-23 | Konica Minolta Medical & Graphic, Inc. | 放射線検出器及び放射線画像撮影システム |
JPWO2006080377A1 (ja) * | 2005-01-31 | 2008-06-19 | コニカミノルタエムジー株式会社 | 放射線画像検出器及び放射線画像撮影システム |
US7834325B2 (en) * | 2006-03-24 | 2010-11-16 | Fujifilm Corporation | Radiation image information capturing apparatus and method of detecting temperature of amplifier thereof |
US7482595B1 (en) * | 2006-03-31 | 2009-01-27 | General Electric Company | Digital radiography detector assembly with access opening |
JP4868926B2 (ja) * | 2006-04-21 | 2012-02-01 | キヤノン株式会社 | 放射線撮像装置 |
US7495226B2 (en) | 2006-05-26 | 2009-02-24 | Carestream Health, Inc. | Compact and durable encasement for a digital radiography detector |
JP5224726B2 (ja) * | 2006-07-10 | 2013-07-03 | キヤノン株式会社 | 放射線画像撮影装置及びその制御方法 |
JP2008119018A (ja) * | 2006-11-08 | 2008-05-29 | Konica Minolta Medical & Graphic Inc | 放射線画像撮影システム及び放射線画像検出装置 |
US7638773B2 (en) * | 2007-07-23 | 2009-12-29 | Fujifilm Corporation | Cassette |
US8194823B2 (en) * | 2007-07-24 | 2012-06-05 | Fujifilm Corporation | X-ray image capturing and interpretation system with cassette and mobile X-ray image capturing apparatus |
US7764765B2 (en) * | 2007-07-24 | 2010-07-27 | Fujifilm Corporation | Cassette and mobile X-ray image capturing apparatus |
EP2022393A3 (en) * | 2007-07-30 | 2011-03-02 | FUJIFILM Corporation | Radiation detecting cassette and medical system |
JP2009053661A (ja) * | 2007-07-30 | 2009-03-12 | Fujifilm Corp | 放射線検出カセッテ及び医療システム |
US7935931B2 (en) * | 2007-08-10 | 2011-05-03 | Fujifilm Corporation | Radiation image capturing system |
US7593507B2 (en) * | 2007-08-16 | 2009-09-22 | Fujifilm Corporation | Radiation image capturing system and method of setting minimum transmission radio-field intensity in such radiation image capturing system |
US20090129547A1 (en) * | 2007-11-16 | 2009-05-21 | General Electric Company | Portable dual-mode digital x-ray detector and methods of operation of same |
JP2009125133A (ja) * | 2007-11-20 | 2009-06-11 | Asano Dental Inc | 歯科医療支援システム及び歯科医療支援用x線センサ |
JP4945467B2 (ja) * | 2008-01-28 | 2012-06-06 | 富士フイルム株式会社 | 放射線変換器用クレードル |
JP5438903B2 (ja) * | 2008-01-28 | 2014-03-12 | 富士フイルム株式会社 | 放射線検出装置及び放射線画像撮影システム |
JP2009181001A (ja) * | 2008-01-31 | 2009-08-13 | Fujifilm Corp | 放射線変換器 |
JP4954923B2 (ja) * | 2008-03-07 | 2012-06-20 | 富士フイルム株式会社 | 放射線撮像装置及びクレードル |
JP2010051523A (ja) * | 2008-08-28 | 2010-03-11 | Fujifilm Corp | 可搬型放射線画像形成装置及び放射線画像管理装置 |
US8779907B2 (en) * | 2009-08-31 | 2014-07-15 | General Electric Company | Multifunctional switch and detector assembly for a medical imaging system including the same |
JP5854580B2 (ja) * | 2009-11-24 | 2016-02-09 | キヤノン株式会社 | X線撮影装置及び制御方法 |
JP5371850B2 (ja) * | 2010-03-24 | 2013-12-18 | 富士フイルム株式会社 | 放射線撮影システム、コンソール、及びプログラム |
JP5657491B2 (ja) * | 2011-08-31 | 2015-01-21 | 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、放射線画像撮影プログラム、及び放射線画像撮影方法 |
JP2013076679A (ja) * | 2011-09-30 | 2013-04-25 | Fujifilm Corp | 放射線画像検出装置、放射線画像検出方法およびプログラム |
US8569709B1 (en) * | 2012-06-05 | 2013-10-29 | Carestream Health, Inc. | Radiographic imaging apparatus and methods including stable power down |
JP6291829B2 (ja) * | 2013-12-13 | 2018-03-14 | コニカミノルタ株式会社 | 可搬型放射線画像撮影装置および放射線画像撮影システム |
US10772589B2 (en) | 2014-09-23 | 2020-09-15 | Samsung Electronics Co., Ltd. | Receiving device and X-ray imaging apparatus having the same |
KR102089370B1 (ko) * | 2014-09-23 | 2020-03-16 | 삼성전자주식회사 | 수납장치 및 이를 구비하는 엑스선 촬영기기 |
JP6251147B2 (ja) * | 2014-09-29 | 2017-12-20 | 富士フイルム株式会社 | 電子カセッテおよび電子カセッテの作動方法 |
JP6614784B2 (ja) * | 2015-03-27 | 2019-12-04 | キヤノン株式会社 | 放射線撮影システム、制御方法およびプログラム |
JP7087435B2 (ja) * | 2018-02-19 | 2022-06-21 | コニカミノルタ株式会社 | 放射線画像撮影装置及び放射線画像撮影システム |
US11484281B2 (en) * | 2019-05-10 | 2022-11-01 | Konica Minolta, Inc. | Radiation image imaging apparatus, electronic device, wireless communication system, and storage medium |
KR20210056181A (ko) | 2019-11-08 | 2021-05-18 | 삼성전자주식회사 | 모바일 엑스선 디텍터, 모바일 엑스선 디텍터를 포함하는 엑스선 영상 장치, 및 그 동작 방법 |
JP2022073245A (ja) * | 2020-10-30 | 2022-05-17 | 富士フイルム株式会社 | 制御装置、放射線検出器、制御方法、及び制御プログラム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002165142A (ja) * | 2000-08-11 | 2002-06-07 | Canon Inc | 画像撮影装置及び画像撮影装置の制御方法 |
JP2002200064A (ja) * | 2000-12-28 | 2002-07-16 | Canon Inc | 撮影装置、撮影システム、撮影方法、及び記憶媒体 |
JP2003018033A (ja) * | 2001-07-03 | 2003-01-17 | Matsushita Electric Ind Co Ltd | Fm多重データ受信方法およびその装置と車載オーディオ装置 |
JP2003042976A (ja) * | 2001-08-02 | 2003-02-13 | Toshiba Corp | 放射線撮影装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5227927A (en) * | 1986-05-21 | 1993-07-13 | Canon Kabushiki Kaisha | Recording and/or reproducing apparatus adapted to minimized electrical energy consumption |
JPH04109547A (ja) * | 1990-08-30 | 1992-04-10 | Sharp Corp | メモリデータ保護装置 |
US7289602B1 (en) * | 1995-06-23 | 2007-10-30 | Science Applications International Corporation | Portable, digital X-ray apparatus for producing, storing, and displaying electronic radioscopic images |
US5877501A (en) * | 1996-11-26 | 1999-03-02 | Picker International, Inc. | Digital panel for x-ray image acquisition |
US6344652B1 (en) * | 1999-01-13 | 2002-02-05 | Fuji Photo Film Co., Ltd. | Radiation detecting cassette |
JP2003224703A (ja) * | 2002-01-31 | 2003-08-08 | Konica Corp | 画像読み取り装置及び画像読み取り方法 |
US6924486B2 (en) * | 2002-10-03 | 2005-08-02 | Schick Technologies, Inc. | Intraoral sensor having power conservation features |
US7072443B2 (en) * | 2002-10-03 | 2006-07-04 | Schick Technologies, Inc. | Intraoral image sensor |
US7239685B2 (en) * | 2004-03-22 | 2007-07-03 | Petrick Scott W | System and method for reducing power consumption in digital radiography detectors |
JP2007127414A (ja) * | 2004-07-21 | 2007-05-24 | Konica Minolta Medical & Graphic Inc | 放射線画像検出器及び放射線画像撮影システム |
WO2006030592A1 (ja) * | 2004-09-16 | 2006-03-23 | Konica Minolta Medical & Graphic, Inc. | 放射線検出器及び放射線画像撮影システム |
JP4604741B2 (ja) * | 2005-01-31 | 2011-01-05 | コニカミノルタエムジー株式会社 | カセッテ型放射線画像検出器 |
US7261465B2 (en) * | 2005-12-31 | 2007-08-28 | Butzine Jonathan M | Park sensor mechanism for portable digital X-ray detector on mobile digital radiography |
-
2005
- 2005-08-12 WO PCT/JP2005/014838 patent/WO2006030593A1/ja active Application Filing
- 2005-09-13 US US11/225,803 patent/US7365337B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002165142A (ja) * | 2000-08-11 | 2002-06-07 | Canon Inc | 画像撮影装置及び画像撮影装置の制御方法 |
JP2002200064A (ja) * | 2000-12-28 | 2002-07-16 | Canon Inc | 撮影装置、撮影システム、撮影方法、及び記憶媒体 |
JP2003018033A (ja) * | 2001-07-03 | 2003-01-17 | Matsushita Electric Ind Co Ltd | Fm多重データ受信方法およびその装置と車載オーディオ装置 |
JP2003042976A (ja) * | 2001-08-02 | 2003-02-13 | Toshiba Corp | 放射線撮影装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010046315A (ja) * | 2008-08-22 | 2010-03-04 | Konica Minolta Medical & Graphic Inc | 放射線画像生成システム及び放射線画像検出器 |
JP2010154897A (ja) * | 2008-12-26 | 2010-07-15 | Fujifilm Corp | 放射線画像撮影システム及び放射線検出カセッテの充電方法 |
Also Published As
Publication number | Publication date |
---|---|
US20060054829A1 (en) | 2006-03-16 |
US7365337B2 (en) | 2008-04-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006030593A1 (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JPWO2006080377A1 (ja) | 放射線画像検出器及び放射線画像撮影システム | |
US7751529B2 (en) | Radiation image radiographing system | |
JP4715844B2 (ja) | 放射線画像撮影システム | |
JP5239623B2 (ja) | 放射線画像生成システム及び放射線画像検出器 | |
JP5609863B2 (ja) | 放射線画像検出システム | |
WO2006095453A1 (ja) | 放射線画像検出器及び放射線画像撮影システム | |
EP1921466A2 (en) | Radiation image radiographing system and radiation image detecting apparatus | |
WO2006103791A1 (ja) | カセッテ型放射線画像検出器及び放射線画像検出システム | |
JP2006250728A (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP4940919B2 (ja) | 放射線画像撮影システム | |
JP2006247137A (ja) | 放射線画像撮影システム | |
JP4552672B2 (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP2006247138A (ja) | 放射線画像撮影システム | |
JP2006208303A (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP2006208306A (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP2007333384A (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP2006250729A (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP4682650B2 (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP5707869B2 (ja) | 放射線画像撮影システム | |
JP2006247141A (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP2007333383A (ja) | 放射線画像検出器及び放射線画像撮影システム | |
JP2011019661A (ja) | 放射線画像検出装置及び放射線画像検出システム | |
JP5088440B2 (ja) | 放射線画像撮影システム | |
JP2007333382A (ja) | 放射線検出器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |