WO2011136094A1 - 移動型x線装置及び移動型x線装置の制御方法 - Google Patents
移動型x線装置及び移動型x線装置の制御方法 Download PDFInfo
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- WO2011136094A1 WO2011136094A1 PCT/JP2011/059674 JP2011059674W WO2011136094A1 WO 2011136094 A1 WO2011136094 A1 WO 2011136094A1 JP 2011059674 W JP2011059674 W JP 2011059674W WO 2011136094 A1 WO2011136094 A1 WO 2011136094A1
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- 238000000034 method Methods 0.000 title claims description 8
- 238000003384 imaging method Methods 0.000 claims description 50
- 238000001514 detection method Methods 0.000 claims description 18
- 239000000470 constituent Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 description 22
- 238000005286 illumination Methods 0.000 description 14
- 238000003825 pressing Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
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- 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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/547—Control of apparatus or devices for radiation diagnosis involving tracking of position of the device or parts of the device
-
- 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
- A61B6/56—Details of data transmission or power supply, e.g. use of slip rings
Definitions
- the present invention relates to a mobile X-ray apparatus that moves in a hospital and performs X-ray imaging, and a control method for the mobile X-ray apparatus.
- the mobile X-ray apparatus As a medical X-ray apparatus, there is a mobile X-ray apparatus that performs X-ray imaging while moving in a hospital.
- the mobile X-ray apparatus is mainly used for X-ray imaging of a patient or an emergency patient who cannot move in a hospital room or an operating room.
- a reading device that detects position information of a mobile X-ray device via an indoor transceiver and, when there is a mobile X-ray device outside a hospital room, reads radiation image information from a cassette irradiated with X-rays Is set to an energy saving mode, and power to other unnecessary devices such as a display is turned off (for example, Patent Document 1).
- Patent Document 1 has not taken into consideration the form of a hospital room in which an indoor transceiver is not installed. For this reason, in hospital rooms where indoor transceivers are not installed, the position information of the mobile X-ray device cannot be detected, the mobile X-ray device reader is placed in the energy saving mode, and unnecessary equipment It is considered that the power cannot be turned off.
- the movement state of the mobile X-ray apparatus is grasped from the state of the mobile X-ray apparatus components, and the power supply of the components of the non-moving related part that is not related to the movement of the mobile X-ray apparatus.
- the purpose is to efficiently control the power consumption of the battery of the mobile X-ray apparatus.
- a mobile X-ray apparatus of the present invention includes a main body, a carriage on which the main body is mounted, an X-ray generation unit having an X-ray tube for generating X-rays, and the X-ray An X-ray movable diaphragm that adjusts the irradiation field, an arm that supports the X-ray generation unit, a column that is installed on the carriage and supports the arm, a battery that supplies power to each component, and a movement A determination unit that determines a movement state of the mobile X-ray device, and a battery that supplies the components of the non-movement-related unit that are not related to the movement of the mobile X-ray device based on the movement state determined by the determination unit from the battery A power setting unit for setting the power to be generated. Therefore, grasp the movement state of the mobile X-ray device from the state of the mobile X-ray device component, and control the power supply of the non-moving related components that are not related to
- the power setting unit cuts off the power supplied from the battery to the components of the non-movement related unit Enter power-off mode.
- the power setting unit reduces the power supplied from the battery to the components of the non-movement related unit. Set to power saving mode.
- the power setting unit includes a component of the movement-related unit related to the movement of the mobile X-ray device. Supply power from the battery.
- the power setting unit is connected from the battery to the components of the movement-related unit related to the movement of the mobile X-ray apparatus. Disconnect the supplied power.
- an operation unit for selecting the power cut mode or the power saving mode is provided for the power supplied to the components of the non-moving related unit.
- FIG. 3 is an overview diagram showing imaging modes of the mobile X-ray apparatus of the present invention.
- FIG. 3 is an overview diagram showing a movement mode of the mobile X-ray apparatus of the present invention.
- 1 is a diagram showing an internal configuration of a main body 10 of a mobile X-ray apparatus according to the present invention. The figure which shows the electric power control part 31 of the mobile X-ray apparatus of this invention. The flowchart which shows operation
- FIG. 3 is a diagram showing a second embodiment of the mobile X-ray apparatus of the present invention.
- FIG. 6 is a diagram showing a third embodiment of the mobile X-ray apparatus of the present invention.
- FIG. 6 is a diagram showing a fourth embodiment of the mobile X-ray apparatus of the present invention.
- FIG. 6 is a diagram showing a fifth embodiment of the mobile X-ray apparatus of the present invention.
- FIG. 1 and 2 show an overview of the mobile X-ray apparatus of the present invention.
- FIG. 1 shows the form of a mobile X-ray apparatus in an imaging mode for performing X-ray imaging
- FIG. 2 shows the form of the mobile X-ray apparatus in a movement mode for moving the mobile X-ray apparatus. .
- the mobile X-ray apparatus has a main body 10 and a carriage 11 that is equipped with the main body 10 and has wheels 12 and 13 for moving the main body 10 and the like, and an X-ray tube that generates X-rays.
- X-ray generator 14 for generating X-ray
- X-ray movable diaphragm 15 for adjusting the X-ray irradiation field
- X-ray generator 14 and arm 16 for supporting X-ray movable diaphragm 15, and carriage 11 for supporting arm 16
- the support column 17 installed above, the operation handle 18 for the operator to move the mobile X-ray device, and the arm holding unit 19 for holding and fixing the arm 16 when moving the mobile X-ray device have.
- the X-ray generator 14 has an X-ray tube that generates X-rays and a high voltage generator.
- the X-ray generation unit 14 generates X-rays according to preset X-ray imaging conditions.
- One end of the arm 16 is provided with an X-ray generation unit 14 and an X-ray movable diaphragm 15, and the other end of the arm 16 is supported by a column 17 installed on the carriage 11 so as to be slidable in the vertical and horizontal directions.
- the X-ray generator 14 and the X-ray movable diaphragm 15 can be protruded in the moving direction of the main body 10. Therefore, the X-ray generator 14 and the X-ray movable diaphragm 15 can be arranged on the bed.
- the X-ray movable diaphragm 15 has two pairs of movable limiting blades that adjust the X-ray irradiation range and an illumination lamp that illuminates the X-ray irradiation range. Further, on the periphery of the X-ray movable diaphragm 15, an operation knob 151 for controlling the movable restricting blade, an illumination switch for turning on the illumination lamp, and the like are provided. By rotating the operation knob 151, the two pairs of movable restriction blades can be opened and closed.
- a concave handle 152 is provided on both sides of the X-ray movable diaphragm 15. Inside the handle 152, release switches for releasing the brakes of the arm 16, the support column 17 and the like are provided for moving the X-ray generation unit 14, respectively. By holding the handle 152, the operator can press the release switch with the operator's finger or palm to release the brakes applied to the arm 16, the support column 17, etc., and the X-ray generator 14 ⁇ and the X-ray The movable diaphragm 15 can be moved to an arbitrary position.
- the operator can brake the arm 16 and the support column 17 by releasing the handle 152, and the X-ray generator 14 and the X-ray movable diaphragm 15 are fixed at predetermined positions. That is, the X-ray generation unit 14 and the X-ray movable diaphragm 15 are fixed at the positions where the X-ray generation unit 14 and the X-ray movable diaphragm 15 are arranged when the operator releases the handle 152.
- a rod-shaped guide pin 20 is provided on the lower surface of the arm 16.
- the guide pin 20 has a through hole at its tip.
- a cylindrical arm holding portion 19 is installed on the upper surface of the carriage 11.
- the arm holding portion 19 has a guide hole for inserting the rod-shaped guide pin 20 and a fixing mechanism for fixing the guide pin 20.
- the fixing mechanism for fixing the guide pin 20 is constituted by, for example, a rod portion that passes through a through hole at the tip of the guide pin 20.
- the mobile X-ray apparatus After the X-ray imaging is performed in the form of the mobile X-ray apparatus in the imaging mode, the mobile X-ray apparatus is moved to another hospital room. At this time, from the form of the mobile X-ray apparatus in the imaging mode shown in FIG. 1 (the arm 16 is on the right side of the support column 17 (side facing the main body 10)), the mobile X in the mobile mode shown in FIG. Transition to the form of the wire device (the arm 16 is on the left side of the support column 17 (the main body 10 side))
- the support column 17 is rotated with respect to the carriage 11 around the vertical direction, and the arm 16 is moved to the left side of the support column 17 (main body Move to 10 side). After the column 17 rotates, the arm 16 is disposed above the carriage 11.
- the arm 16 With the arm 16 disposed above the carriage 11, the arm 16 is contracted, the arm 16 is slid downward, and the rod-shaped guide pin 20 installed on the lower surface of the arm 16 is inserted into the guide hole of the arm holding portion 19. To insert. In a state where the guide pin 20 is inserted into the guide hole of the arm holding portion 19, a rod portion (fixing mechanism) is inserted into the through hole at the tip of the guide pin 20 to fix the guide pin 20.
- the arm holding part 19 holds and fixes the rod-shaped guide pin 20 installed on the lower surface of the arm 16, whereby the main body 10 and the arm 16 are integrated. Since the arm 16 is stored compactly, the operator can stably move the mobile X-ray apparatus.
- the guide pin 20 may be fixed using a magnet or the like.
- the main body 10 of the mobile X-ray apparatus includes a holding detection unit 30 that detects the holding state of the arm holding unit 19, a power control unit 31 that controls the power supply of each component, and a wheel that drives the wheel 12.
- Drive unit 32, wheel lock unit 33 that brakes the wheel 12 to lock the wheel, a reading device 34 that reads the image data of the imaging plate irradiated with X-rays, and the image data read from the reading device 34 is stored PC (image storage and processing unit) 35 that performs image processing, a battery 38 that is charged via an outlet etc. external to the main body 10 and supplies power to each component, power conditions of each component, etc.
- PC image storage and processing unit
- the X-ray movable diaphragm 15 includes a diaphragm lamp 36 that illuminates the X-ray irradiation range.
- the movement-related unit 40 related to the movement of the mobile X-ray apparatus includes, for example, a movement switch 21, a power control unit 31, a wheel drive unit 32, and a wheel lock unit 33.
- a movement switch 21 for driving the wheel 12 is disposed on the periphery of the operation handle 18.
- the movement switch 21 is pressed.
- the brake of the wheel 12 by the wheel lock portion 33 is released.
- pressing information on the operating handle 18 by the operator is detected, and the wheel driving unit 32 drives the wheels 12 to rotate based on the pressing information.
- the operator can move the cart 11 and move the mobile X-ray device by pressing the operation handle 18 in the direction of the arrow shown in FIG.
- the movement of the mobile X-ray apparatus is synonymous with the movement of the carriage 11.
- the operator releases the operation handle 18 and releases the movement switch 21.
- the movement switch 21 is released, the wheel 12 is not driven by the wheel drive unit 32, and the wheel 12 is braked by the wheel lock unit 33.
- the wheel 13 is an auxiliary wheel.
- the broken lines shown in FIG. 3 indicate that power is supplied from the battery 38 to each component.
- the battery 38 can supply power to at least each component of the movement-related unit 40, the reading device 34, the PC 35, and the aperture lamp 36.
- the holding detection unit 30 detects whether or not the rod-shaped guide pin 20 installed on the lower surface of the arm 16 is held by the arm holding unit 19, and detects the holding state of the arm 16. Specifically, an optical sensor that detects the guide pin 20 inserted into the arm holding portion 19 is installed in the guide hole of the arm holding portion 19 although not shown.
- the light sensor includes an illumination unit that emits light, and an illumination detection unit that is installed in the guide hole so as to face the illumination unit and detects light emitted from the illumination unit.
- an illumination unit that emits light
- an illumination detection unit that is installed in the guide hole so as to face the illumination unit and detects light emitted from the illumination unit.
- the holding detection unit 30 detects that the guide pin 20 is not inserted into the arm holding unit 19 and that the arm 16 is not held by the arm holding unit 19.
- the guide pin 20 inserted into the arm holding part 19 was detected by the light sensor of the illumination part and the illumination detection part, but was the rod part inserted through the through hole at the tip of the guide pin 20 inserted by the fixing mechanism described above?
- the holding detection unit 30 can also detect the holding state of the arm holding unit 19.
- the reading device 34 converts and outputs the latent image accumulated in the imaging plate as image data.
- the imaging plate has a phosphor and accumulates a two-dimensional X-ray energy pattern generated from the X-ray generator 14 and transmitted through the subject as a latent image in the phosphor.
- the reading device 34 includes laser scanning means, a photomultiplier tube, an A / D converter, and the like. To read out the image, a laser beam is scanned by a laser scanning unit on the latent image accumulated as electrons in the phosphor of the imaging plate. The phosphor scanned with the laser beam emits light according to the amount of X-ray irradiation, and the latent image is converted into photons. Photons are converted into analog electrical signals by a photomultiplier tube, and converted to digital signals by an A / D converter to obtain image data.
- a PC (image storage / processing unit) 35 performs predetermined image processing on the image data output from the reading device 34.
- the predetermined image processing is, for example, dynamic range compression processing or frequency enhancement processing.
- the operation unit 37 has a touch panel, a keyboard and the like mounted on the upper surface of the carriage 11 and operates the power control unit 31 and the like.
- the power control unit 31 includes components of the movement-related unit 40 that are related to the movement of the mobile X-ray device, and a configuration of the non-movement-related unit 54 that is not related to the movement of the mobile X-ray device other than the movement-related unit 40.
- the power supplied from the battery 38 is controlled by distinguishing the elements.
- the power control unit 31 relates to the movement of the mobile X-ray device other than the movement-related unit 40 based on the determination unit 50 that determines the movement state of the mobile X-ray device and the movement state determined by the determination unit 50. And a power setting unit 51 that sets power supplied to the components of the non-moving related unit 54.
- the components of the movement-related unit 40 related to the movement of the mobile X-ray apparatus are, for example, the movement switch 21, the power control unit 31, the wheel drive unit 32, and the wheel lock unit 33.
- Constituent elements of the non-movement related portion 54 that are not related to the movement of the mobile X-ray apparatus are, for example, the reading device 34, the PC 35, and the aperture lamp 36.
- the determination unit 50 is shown in FIG. In addition, it is determined that the mobile X-ray apparatus is in the imaging mode.
- the determination unit 50 is shown in FIG. As shown, the mobile X-ray device determines that it is in a mobile mode. The determination unit 50 outputs information on the determined movement state (shooting mode or movement mode) to the power setting unit 51.
- the power setting unit 51 reflects the power condition set in advance by the operation unit 37 and relates to the movement of the mobile X-ray device.
- the power cut mode for cutting off the power supplied to the components of the non-moving related section 54 without the power supply or the power saving mode for reducing the power supplied to the components of the non-moving related section 54 is set.
- the operation unit 37 can select the power disconnect mode or the power saving mode in advance for the power supplied to the components of the non-movement related unit 54 and reflect the selection information on the power setting unit 51.
- the mobile X-ray apparatus adjusts the X-ray irradiation field, the main body 10, the carriage 11 on which the main body 10 is mounted, the X-ray generation unit 14 having an X-ray tube that generates X-rays Equipped with an X-ray movable diaphragm 15, an arm 16 that supports the X-ray generator 14, a column 17 that is installed on the carriage 11 and supports the arm 16, and a battery 38 that supplies power to each component, and moves Components of the non-moving related part that are not related to the movement of the mobile X-ray device based on the moving state determined by the determining unit 50 that determines the moving state of the mobile X-ray device (cart 11) It is characterized by including a power setting unit 51 that sets power supplied from the battery 38 to 34, 35, and 36.
- the power cut mode is selected in advance by the operation unit 37.
- the operation unit 37 is provided with a power cut mode button for starting the power cut mode and a power cut mode release button for ending the power cut mode.
- the operator can select the power cut mode by pressing the power cut mode button on the operation unit 37.
- the power setting unit 51 may automatically select the power cut mode based on a preset X-ray imaging schedule.
- the power setting unit 51 includes the reading device 34 and the PC 35 in the non-movement related unit 54 that are not related to the movement of the mobile X-ray device.
- the power supplied to the aperture lamp 36 is cut off. That is, power is not supplied from the battery 38 to the components of the non-movement related unit 54.
- the power control unit 31 releases the brake of the wheel 12 by the wheel lock unit 33 and the wheel drive unit 32 rotates the wheel 12 using the movement switch 21 as a trigger. It is necessary to let Therefore, when the mobile X-ray apparatus is in the movement mode, the power setting unit 51 is connected to the movement-related unit 40 including the movement switch 21, the power control unit 31, the wheel driving unit 32, and the wheel lock unit 33 from the battery 38. Supply power.
- the power supplied from the battery 38 is not supplied to the components of the non-movement related unit 54, but is supplied only to the components of the movement related unit 40.
- the power consumption of the battery 38 can be efficiently suppressed, and the battery 38 can be extended.
- the operator When the movement of the mobile X-ray apparatus is completed in the movement mode, the operator removes the guide pin 20 from the arm holding unit 19 and shifts to the form of the mobile X-ray apparatus in the imaging mode shown in FIG.
- the determination unit 50 detects that the guide pin 20 is not inserted into the arm holding unit 19 by the holding detection unit 30. The determination unit 50 determines the shooting mode because the arm 16 is not held by the arm holding unit 19.
- the power setting unit 51 is supplied to components of the non-movement related unit 54 that are not related to the movement of the mobile X-ray device. Cancel the power cut mode that cuts off the power. Therefore, power is supplied from the battery 38 to the reading device 34, the PC 35, and the aperture lamp 36, which are components of the non-movement related unit 54.
- the power setting unit 51 does not move the mobile X-ray apparatus because the movement of the mobile X-ray apparatus is not performed.
- the electric power supplied from the battery 38 to the movement switch 21, the wheel drive unit 32, and the wheel lock unit 33, which are related movement-related units 40, can also be cut off.
- the power control unit 31 is included in the movement related unit 40, it is necessary to control the power of each component, so that power is always supplied to the power control unit 31.
- the carriage 11 may be slightly moved at the bedside in order to set the imaging range of the subject in the imaging mode.
- the power setting unit 51 temporarily stores a battery in a component of the movement-related unit 40 related to the movement of the mobile X-ray apparatus. Power can be supplied from 38.
- the power setting unit 51 cuts off the power supplied to the reading device 34 in the non-movement related unit 54 that is not related to the movement of the mobile X-ray device.
- the power setting unit 51 can also be set so as to temporarily supply power only to the reading device 34 of the non-movement related unit 54. Therefore, even when the mobile X-ray apparatus is in the movement mode, the operator can use the reading device 34, and the image data stored in the imaging plate is not shown on the operation unit 37 via the PC 35. It can be displayed on the display unit.
- the power saving mode is selected by the operation unit 37 in advance.
- the operation unit 37 includes a power saving mode button for starting the power saving mode and a power saving mode cancel button for ending the power saving mode.
- the operator can select the power saving mode by pressing the power saving mode button of the operation unit 37.
- the power setting unit 51 may automatically select the power saving mode based on a preset X-ray imaging schedule.
- the power setting unit 51 includes the reading device 34 and the PC 35 in the non-movement related unit 54 that are not related to the movement of the mobile X-ray device. The power supplied from the battery 38 to the aperture lamp 36 is saved.
- the power saving mode is a mode for saving power consumption.
- the power setting unit 51 sets so as not to supply power to any of the components of the laser scanning unit, the photomultiplier tube, and the A / D converter.
- power is always supplied from the battery 38 to the constituent elements (for example, photomultiplier tubes) of the reading apparatus 34 that are slow to start among the constituent elements of the reading apparatus 34, and the starting is fast.
- the power supplied from the battery 38 is cut off to the components (for example, laser scanning means, A / D converter) of the reading device 34.
- the power setting unit 51 can suppress the power supplied from the battery 38 to unnecessary PC 35 components while maintaining the operating state of the PC 35, or can maintain the operating state of the PC 35. Without writing the last operating state to the PC35 hard disk, stop the rotation of the hard disk.
- the power setting unit 51 suppresses the power supplied from the battery 38 to the aperture lamp 36.
- the power supplied from the battery 38 is supplied to the constituent elements of the non-moving related part 54 with power saving, the power consumption of the battery 38 can be efficiently suppressed, and the battery 38 can be lasted longer. .
- the power supplied from the battery 38 is always supplied to the components of the movement related unit 40.
- the power setting unit 51 supplies the component to the non-movement related unit 54 that is not related to the movement of the mobile X-ray device. Cancel the power saving mode that saves the power used. Therefore, power is supplied from the battery 38 to the reading device 34, the PC 35, and the aperture lamp 36 of the non-movement related unit 54 without power saving.
- the power saving mode is canceled, but the operator releases the power saving mode by pressing the power saving mode cancel button on the operation unit 37.
- (S1) As shown in FIG. 1, in the form of the mobile X-ray apparatus in the imaging mode for performing X-ray imaging, the X-ray irradiation field is adjusted by the X-ray movable diaphragm 15, and the subject is detected by the X-ray generator 14. X-rays are generated and X-rays are taken.
- the imaging plate arranged so as to face the X-ray generation unit 14 accumulates a two-dimensional X-ray energy pattern transmitted through the subject as a latent image in the phosphor.
- the power cut mode or the power save mode is selected by pressing a power save mode button for starting a power save mode for reducing the power supplied to the components of the related unit 54.
- the power setting unit 51 uses the power cut mode or the power saving mode selection information by the operation unit 37 to configure the power cut mode as a constituent element of the non-moving related unit 54 that is not related to the movement of the mobile X-ray device. Or set the power saving mode. Therefore, the power setting unit 51 can cut off the power supplied to the reading device 34, the PC 35, and the aperture lamp 36 in the non-movement related unit 54, and can save power.
- the determination unit 50 detects that the guide pin 20 is not inserted into the arm holding unit 19 when the holding detection unit 30 detects that the arm 16 is not being held by the arm holding unit 19, and determines that the shooting mode is set. .
- the power setting unit 51 is a power cutting mode in which the power supplied to the components of the non-moving related unit 54 that is not related to the movement of the mobile X-ray device is cut, or a power saving mode in which the power is saved Is released.
- the movement state is grasped from the state of the component of the mobile X-ray apparatus, and the power supply of the component of the non-moving related part that is not related to the movement of the mobile X-ray apparatus is controlled. be able to.
- the power consumption of the battery 38 can be efficiently suppressed, and the battery 38 can be extended.
- the reading device 34, the PC 35, and the aperture lamp 36 are described as the constituent elements of the non-moving related portion 54 that are not related to the movement of the mobile X-ray apparatus, but other constituent elements (X Line generator 14 etc.) may be included.
- a flat panel detector (FPD) is a flat detector having two-dimensionally arranged transistors and a conversion film that converts X-rays into electric signals.
- the flat panel detector (FPD) is connected to a PC (image storage / processing unit) 35, and the PC (image storage / processing unit) 35 performs predetermined processing on image data output from the flat panel detector (FPD). Perform image processing.
- Example 2 will be described mainly using FIG.
- the difference from the first embodiment is that the determination unit 50 determines the movement state of the mobile X-ray apparatus based on any movement information such as the movement time, movement distance, and movement speed of the mobile X-ray apparatus (cart 11). It is a point to judge.
- the determination unit 50 measures a moving time of the mobile X-ray device, a time measuring unit 60 that measures the moving time of the mobile X-ray device, a distance measuring unit 61 that measures a moving distance of the mobile X-ray device, and a moving speed of the mobile X-ray device
- a time measuring unit 60 that measures the moving time of the mobile X-ray device
- a distance measuring unit 61 that measures a moving distance of the mobile X-ray device
- a moving speed of the mobile X-ray device One of the speed measurement units 62 and a movement mode determination calculation unit 63 that determines whether the mobile X-ray apparatus is in the movement mode based on movement information of the mobile X-ray apparatus.
- the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is in the movement mode based on the time information measured by the time measurement unit 60.
- the time measuring unit 60 measures the pressing time resulting from the movement switch 21 of the operating handle 18 being pressed by the operator. Specifically, when the movement switch 21 is pressed, the pressing information is transmitted from the movement switch 21 to the time measuring unit 60, and the time measuring unit 60 starts measuring the pressing time. The time information measured by the time measurement unit 60 is output to the movement mode determination calculation unit 63.
- the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is in the movement mode. To do. If the time measured by the time measurement unit 60 is less than or equal to a preset threshold time (for example, 5 seconds or less), the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is not in the movement mode.
- the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is in the movement mode based on the distance information measured by the distance measurement unit 61.
- the distance measuring unit 61 measures the movement distance of the carriage 11 of the mobile X-ray apparatus based on the wheel encoder 65 installed on the wheel 12 of the carriage 11.
- the wheel encoder 65 has a plurality of magnets and an element for detecting the position of the magnet, and generates a pulse each time the wheel 12 rotates by a predetermined angle (for example, 30 degrees). Specifically, when the movement switch 21 is pressed, the pressing information is transmitted from the movement switch 21 to the time measurement unit 60, and the distance measurement unit 61 starts measuring the distance of the carriage 11 using the wheel encoder 65.
- the mobile X-ray apparatus is directed to another hospital room. There is a high possibility of moving. Therefore, if the distance measured by the distance measurement unit 61 is equal to or greater than a preset threshold value (for example, 3 m or more), the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is in the movement mode. If the distance measured by the distance measuring unit 61 is equal to or less than a preset threshold value (for example, 3 m or less), the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is not in the movement mode.
- a preset threshold value for example, 3 m or more
- the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is in the movement mode based on the speed information measured by the speed measurement unit 62.
- the speed measuring unit 62 measures the moving speed of the carriage 11 of the mobile X-ray apparatus based on the wheel encoder 65 installed on the wheel 12 of the carriage 11. Specifically, when the movement switch 21 is pressed, the pressing information is transmitted from the movement switch 21 to the time measurement unit 60, and the speed measurement unit 62 starts measuring the speed of the carriage 11 using the wheel encoder 65.
- the movement switch 21 of the operation handle 18 When the movement switch 21 of the operation handle 18 is pushed by the operator and the moving speed of the carriage 11 whose speed is measured by the wheel encoder 65 and the speed measuring unit 62 is, for example, 5 (km / h) or more, the mobile X-ray device Is likely moving to another room. Therefore, if the speed measured by the speed measuring unit 62 is equal to or higher than a preset threshold (for example, 5 (km / h) or higher), the movement mode determination calculation unit 63 indicates that the mobile X-ray apparatus is in the movement mode. Determine.
- a preset threshold for example, 5 (km / h
- the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is not in the movement mode. .
- the power setting unit 51 reflects the power condition set in advance by the operation unit 37, and cuts the power supplied to the components of the non-moving related unit 54 that is not related to the movement of the mobile X-ray apparatus. Or set to a power saving mode in which the power supplied to the components of the non-moving related unit 54 is reduced.
- the movement mode determination calculation unit 63 combines the time information measured by the time measurement unit 60 with the distance information measured by the distance measurement unit 61 and the speed information measured by the speed measurement unit 62, It may be determined that the X-ray apparatus is in the movement mode. For example, the time measured by the time measuring unit 60 is not less than a preset threshold time (for example, 5 seconds or more), and the speed measured by the speed measuring unit 62 is not less than a preset threshold (for example, 5 ( km / h) or more), the movement mode determination calculation unit 63 determines that the mobile X-ray apparatus is in the movement mode.
- a preset threshold time for example, 5 seconds or more
- a preset threshold for example, 5 ( km / h
- the movement state of the mobile X-ray apparatus is grasped from the movement information of any one of the movement time, the movement distance, and the movement speed, and the non-movement relation not related to the movement of the mobile X-ray apparatus.
- the power supply of the components of the unit can be controlled.
- Example 3 will be described mainly with reference to FIG.
- the difference from the first and second embodiments is that the power cutting mode or the power saving mode to be assigned to each component of the non-moving related unit 54 that is not related to the movement of the mobile X-ray apparatus is selected, and the power condition is set. It is.
- FIG. 7 shows one form of the operation unit 37.
- the operation unit 37 includes a power cut mode button 70 for starting the power cut mode, a power cut mode release button 71 for ending the power cut mode, and a power save mode button 72 for starting the power save mode. And a power saving mode cancel button 73 for ending the power saving mode.
- the operation unit 37 in this embodiment is a touch panel, and the operator can perform various settings by pressing each button from the upper surface of the operation unit 37.
- the selection of the power cut mode or the power saving mode of the reading device 34 will be described.
- a selection mark 75 is displayed as shown in FIG.
- the power saving mode button 72 is pressed.
- the power saving mode corresponding to the reading device is displayed as ON.
- the power saving mode is selected by the operation unit 37 for the reading device 34 which is one of the components of the non-movement related unit 54.
- the power cut mode or the power saving mode can be selected by the operation unit 37 in the same manner as the reading device 34.
- the power saving mode is selected for the PC 35
- the power cutting mode is selected for the aperture lamp 36 by the operation unit 37.
- the power cut mode or the power saving mode assigned to each component of the non-moving related unit 54 that is not related to the movement of the mobile X-ray apparatus can be selected by the operation unit 37. That is, the operator can manage the power of the battery 38 in accordance with the characteristics of each component.
- Example 4 will be described mainly with reference to FIG.
- the difference from the first to third embodiments is that a power cut mode or a power saving mode assigned to each component of the non-movement related unit 54 that is not related to the movement of the mobile X-ray apparatus is set as an initial setting.
- the power-off mode or the power-saving mode is selected in advance by the operation unit 37 for the reading device 34, the PC 35, and the aperture lamp 36 of each component of the non-movement related unit 54 that is not related to the movement of the mobile X-ray apparatus.
- the selected power cut mode or power saving mode is stored in a storage unit (not shown) in the power control unit 31 as an initial setting. Even if the power cutting mode or the power saving mode is not selected by the operation unit 37, the non-selection information in which the power cutting mode or the power saving mode is not selected is stored in the storage unit.
- the power cut mode, power saving mode, and non-selection information corresponding to the reading device 34, the PC 35, and the aperture lamp 36 are read from the storage unit, for example, as shown in FIG. And displayed.
- the power saving mode is selected for the reading device 34
- the power cutting mode is selected for the aperture lamp 36
- the PC 35 is not selected.
- a default mark 80 is displayed on the operation unit 37.
- the default mark 80 displayed on the operation unit 37 is deleted.
- the power cutting mode or the power saving mode assigned to each component (reading device 34, PC 35, aperture lamp 36) of the non-moving related unit 54 that is not related to the movement of the mobile X-ray device is initially set. Can be selected as a setting. That is, the operator does not have to perform power management of the battery 38 every time the mobile X-ray apparatus is used as in the third embodiment.
- Example 5 will be described mainly with reference to FIG.
- the difference from the first to fourth embodiments is that the power setting unit 51 sets the power cut mode or the power saving mode based on selection information on whether or not to perform X-ray imaging again.
- the power setting unit 51 supplies the power supplied to the components of the non-moving related unit 54 that are not related to the movement of the mobile X-ray apparatus.
- Set the power disconnect mode to disconnect.
- the determination unit 50 detects that the guide pin 20 is not inserted into the arm holding unit 19 when the holding detection unit 30 detects that the arm 16 is not being held by the arm holding unit 19, and determines that the shooting mode is set. .
- the power setting unit 51 cancels the power saving mode in which the power supplied to the components of the non-moving related unit 54 that is not related to the movement of the mobile X-ray apparatus is saved.
- the mobile X-ray apparatus of the present invention can be implemented by appropriately combining the first to fifth embodiments.
- the determination unit 50 combines the arm holding state information detected by the holding detection unit 30 described in the first embodiment and the movement information of the mobile X-ray apparatus (cart 11) described in the second embodiment. Can also determine the movement state of the mobile X-ray apparatus.
- the holding detection unit 30 detects that the guide pin 20 is inserted and held in the arm holding unit 19, and the arm 16 is held in the arm holding unit 19 and the time measurement unit 60 and the distance measurement.
- the movement mode determination calculation unit 63 determines that the mobile X-ray device is moving from the movement information detected from either the unit 61 or the speed measurement unit 62, the determination unit 50 moves the mobile X-ray device. It is determined that the mode.
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Abstract
Description
まず、移動型X線装置の移動に関連がない非移動関連部54の構成要素に供給される電力を切断する電力切断モードについて説明する。
次に、移動型X線装置の移動に関連がない非移動関連部54の構成要素に供給される電力を省電力化する省電力モードについて説明する。
Claims (14)
- 本体と、前記本体を搭載する台車と、X線を発生させるX線管を有したX線発生部と、前記X線の照射野を調整するX線可動絞りと、前記X線発生部を支持するアームと、前記台車上に設置され、前記アームを支持する支柱と、各構成要素に電力を供給するバッテリとを備える移動型X線装置であって、
移動型X線装置の移動状態を判定する判定部と、前記判定部で判定された移動状態に基づいて、移動型X線装置の移動に関連がない非移動関連部の構成要素に前記バッテリから供給される電力を設定する電力設定部とを備えることを特徴とする移動型X線装置。 - 移動型X線装置が移動している移動モードであると前記判定部が判定した場合、前記電力設定部は、前記非移動関連部の構成要素に前記バッテリから供給される電力を切断する電力切断モードに設定することを特徴とする請求項1記載の移動型X線装置。
- 移動型X線装置が移動している移動モードであると前記判定部が判定した場合、前記電力設定部は、前記非移動関連部の構成要素に前記バッテリから供給される電力を低減する省電力モードに設定することを特徴とする請求項1記載の移動型X線装置。
- 移動型X線装置がX線撮影する撮影モードであると前記判定部が判定した場合、電力設定部は、移動型X線装置の移動に関連のある移動関連部の構成要素にバッテリから供給している電力を切断する電力切断モードに設定することを特徴とする請求項1記載の移動型X線装置。
- 移動型X線装置が移動している移動モードであると前記判定部が判定した場合、前記電力設定部は、移動型X線装置の移動に関連のある移動関連部の構成要素に前記バッテリから電力を供給することを特徴とする請求項1記載の移動型X線装置。
- 前記非移動関連部の構成要素は、移動型X線装置の移動に関連のある移動関連部の構成要素以外であることを特徴とする請求項1記載の移動型X線装置。
- 前記非移動関連部の構成要素に供給される電力について、前記電力切断モード又は前記省電力モードを選択する操作部を備えることを特徴とする請求項2乃至4のいずれか1項に記載の移動型X線装置。
- 前記非移動関連部の構成要素は、イメージングプレートに蓄積された潜像を画像データとして変換出力する読取装置、前記読取装置から出力された画像データに対して所定の画像処理を行なうPC、前記X線可動絞りに設けられたX線の照射範囲を照光する絞りランプのいずれかであることを特徴とする請求項1記載の移動型X線装置。
- 移動型X線装置の移動時に前記アームを保持するアーム保持部と、該アーム保持状態を検出する保持検出部とを備え、前記判定部は前記アーム保持状態に基づいて移動型X線装置の移動状態を判定することを特徴とする請求項1記載の移動型X線装置。
- 前記判定部は、移動型X線装置の移動時間、移動距離、移動速度のいずれかの移動情報に基づいて、前記移動状態を判定することを特徴とする請求項1記載の移動型X線装置。
- 前記非移動関連部の各構成要素に供給される電力について、前記電力切断モード又は前記省電力モードをそれぞれ選択する操作部を備えることを特徴とする請求項2乃至4のいずれか1項記載の移動型X線装置。
- 前記操作部によって予め電力切断モード又は省電力モードが選択され、選択された電力切断モード又は省電力モードを初期設定として記憶する記憶部を備えることを特徴とする請求項11記載の移動型X線装置。
- 前記電力設定部は、再度X線撮影を行なうかどうかの選択情報に基づいて、電力切断モード又は省電力モードを設定することを特徴とする請求項1記載の移動型X線装置。
- 移動型X線装置の移動状態を判定するステップと、前記判定された移動状態に基づいて、移動型X線装置の移動に関連がない非移動関連部の構成要素にバッテリから供給する電力を設定するステップと、含むことを特徴とする移動型X線装置の制御方法。
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CN201180021070.XA CN102858248B (zh) | 2010-04-26 | 2011-04-20 | 移动型x射线装置以及移动型x射线装置的控制方法 |
US13/641,942 US9101319B2 (en) | 2010-04-26 | 2011-04-20 | Mobile X-ray device and method for controlling mobile X-ray device |
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