CN104955395A - X-ray diagnostic device - Google Patents
X-ray diagnostic device Download PDFInfo
- Publication number
- CN104955395A CN104955395A CN201480005764.8A CN201480005764A CN104955395A CN 104955395 A CN104955395 A CN 104955395A CN 201480005764 A CN201480005764 A CN 201480005764A CN 104955395 A CN104955395 A CN 104955395A
- Authority
- CN
- China
- Prior art keywords
- detection faces
- instruction
- detector
- ray
- straight line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Provided is an X-ray imaging device whereby the resolution of an enlarged-displayed image can be enhanced. The X-ray diagnostic device according to the present invention has a bed unit on which a test subject is placed, a projection unit, a display control unit, and a system control unit. The projection unit includes an X-ray tube provided with a negative electrode and a positive electrode for receiving electrons from the negative electrode and irradiating X-rays to the test subject, and a first detector for detecting X-rays that pass through the test subject and are incident on a detection surface. The display control unit causes a display unit to display a first image generated on the basis of first detection data from the projection unit. The system control unit controls the display control unit so as to cause the display unit to display, as an enlarged image, a second image generated on the basis of second detection data obtained by detecting X-rays incident on a partial detection surface that is a partial region corresponding to the positive-electrode side of the detection surface when an enlargement instruction is received for causing a portion of a site in the test subject drawn in the first image to be displayed as an enlarged image.
Description
Technical field
Embodiments of the present invention relate to radiographic apparatus.
Background technology
Radiographic apparatus is, to subject X-ray irradiation, detects the X-ray of its transmission, by the device of the construct image of subject inside.
In the past, known a kind of radiographic apparatus, this radiographic apparatus by the supporter (C arm) of C word shape, the X-ray tube possessed in one end of supporter, the area detector possessed at the other end of supporter, mounting subject examination platform and the image processing apparatus etc. that the data for projection collected processes is formed.
The X-ray shooting that this radiographic apparatus walks abreast with it along with the operation undertaken by doctor the operation etc. of subject insertion probe or inspection (diagnosis).Now, the image taken by doctor's visual identity, the internal structure limit of limit grasp subject carries out performing the operation or checking thus.
Now, radiographic apparatus receives the instruction that Nonlinear magnify is shown sometimes.In this case, the up-sizing of the instruction of reception is converted to the region in the detection faces of area detector by radiographic apparatus, and by the region allocation after this conversion to area detector, fixes to make the central region in detection faces.Further, radiographic apparatus shows the image generated based on the X-ray inciding distributed region.
In addition, X-ray tube possesses negative electrode and anode.Anode receives the electronics from negative electrode and produces X-ray, and to subject X-ray irradiation.The X-ray of irradiating has beam divergence angle.
Area detector detects transmission subject and incides the X-ray of detection faces.Radiographic apparatus generates and shows the image of the X-ray based on incidence.As everyone knows, in the images, based on the exploring degree of the image of the data for projection of the X-ray incidence of the anode-side of beam divergence angle, better than the exploring degree of the image of the data for projection of the X-ray incidence of the cathode side based on beam divergence angle.In other words, the exploring degree of image situation about declining from anode side cathode side is known.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2012-130436 publication
The summary of invention
The problem that invention will solve
Radiographic apparatus in the past makes Nonlinear magnify show to make the fixing mode of the central region in the detection faces of area detector.Thus, the part that the exploring degree in the image before amplification declines is exaggerated display.Therefore, doctor must carry out visual identity by the enlarged image bad to exploring degree, there is the problem that doctor declines to the visual identity of enlarged image.When the visual identity of image declines, operation or long-timeization of review time can be produced, the worry of the increase of the amount of radiation of subject that this long-timeization causes etc.
Summary of the invention
The problem that the present invention will solve is, provides the radiographic apparatus of the exploring degree that can improve the image amplifying display.
For solving the means of problem
Radiographic apparatus involved by embodiment has the mounting examination platform portion of subject, Projection Division, display control unit and systems control division.Projection Division comprises: X-ray tube, possesses negative electrode and the electronics that receives from negative electrode and to the anode of subject X-ray irradiation; And the 1st detector, detect transmission subject and incide the X-ray of detection faces.Display control unit makes display part show the 1st image, and the 1st image detects data based on the 1st of Projection Division and generates.When the amplification instruction that the part receiving the position making the subject depicted in the 1st image shows as enlarged image, systems control division controls display control unit, to make display part be shown as enlarged image by the 2nd image detecting data genaration based on the 2nd, the 2nd detection data detect the X-ray inciding subregion suitable with anode-side in detection faces and part detection faces and obtain.
Detailed description of the invention
< the 1st embodiment >
Be described with reference to the radiographic apparatus of accompanying drawing to present embodiment.
[basic structure]
Fig. 1 is the block diagram represented the structure of the radiographic apparatus 1 of present embodiment.In addition, Fig. 2 is the schematic diagram represented the outward appearance of radiographic apparatus 1.Radiographic apparatus 1 has Projection Division 10, high voltage generating unit 11, examination platform portion 12, X-ray test section 13, image data generating section 14, systems control division 15, operating portion 2, display control unit 16, display part 3, ECG measurement unit 4 and mechanism part 17.
(Projection Division 10)
Projection Division 10 has X-ray generating unit 100, area detector 101 and C arm 102.X-ray generating unit 100 is to subject E X-ray irradiation.X-ray generating unit 100 has X-ray tube 1000 and X-ray aperture section 1001.X-ray tube 1000 is the vacuum tubes producing X-ray.Fig. 3 is the schematic diagram represented the outline of X-ray tube 1000.X-ray tube 1000 possesses negative electrode CA and anode A N.Negative electrode CA ejected electron.Anode A N receives the electronics from negative electrode CA and produces X-ray, and to subject E X-ray irradiation.At this, the minus side of x-axis is set to anode A N side, the positive side of x-axis is set to negative electrode CA side.As previously mentioned, the exploring degree based on the image of the X-ray of anode A N side is better than the exploring degree of the image of the X-ray based on negative electrode CA side.X-ray aperture section 1001 is between X-ray tube 1000 and subject E.X-ray aperture section 1001 forms slit (opening), and passes through the size and the shape that change this slit, adjusts the irradiation visual field of the X-ray that X-ray tube 1000 produces.
Area detector 101 detects transmission subject E and incides the X-ray of detection faces.Such as, the X-ray inciding detection faces is converted to electric charge and accumulates by area detector 101.Area detector 101 configures multiple x-ray detection device two-dimensionally and forms in detection faces.X-ray detection device possesses photovoltaic films, charge accumulation capacitor and thin film transistor (TFT).Photovoltaic films sensing X-ray, and corresponding to sensed X-ray dosage and generate electric charge.The electric charge generated by photovoltaic films accumulated by charge accumulation capacitor.The electric charge accumulated in charge accumulation capacitor reads by thin film transistor (TFT).Electric charge read-out by thin film transistor (TFT) exports as detection data to charge voltage converter section 1310 by area detector 101.In addition, area detector 101 is equivalent to an example of " the 1st detector " in the present invention.
C arm 102 supports X-ray generating unit 100 and area detector 101.C arm 102 is C word shapes, at one end possesses X-ray tube 1000, possesses area detector 101 at the other end.
(high voltage generating unit 11)
High voltage generating unit 11 produces the high voltage of X-ray generating unit 100 X-ray irradiation.High voltage generating unit 11 has X-ray control unit 110 and high voltage generator 111.X-ray control unit 110, based on the input from systems control division 15, exports the control signal for x-ray bombardment conditions such as the tube current in X-ray tube 1000, tube voltage, irradiation times to high voltage generator 111.High voltage generator 111, based on the input from X-ray control unit 110, applies high voltage between the anode A N and negative electrode CA of X-ray tube 1000.
(examination platform portion 12)
Platform portion 12 loads subject E in examination.Examination platform portion 12, based on the input from examination Tai Bu travel mechanism 170, makes placed subject E move up at its body direction of principal axis, upper and lower.
(X-ray test section 13)
X-ray test section 13 has gate drivers 130 and data for projection generating unit 131.Gate drivers 130 exports to the gate terminal of thin film transistor (TFT) the driving pulse read, so that thin film transistor (TFT) reads by the electric charge accumulated in charge accumulation capacitor.
Data for projection generating unit 131 generates data for projection based on the detection data from area detector 101.Data for projection generating unit 131 has charge voltage converter section 1310 and A/D converter section 1311.The charge conversion received as detecting data from area detector 101 is voltage by charge voltage converter section 1310, and exports the signal of the voltage after conversion to A/D converter section 1311.A/D converter section 1311 receives the signal from charge voltage converter section 1310, and is converted to digital signal.Digital signal after conversion exports to image data storing section 140 by A/D converter section 1311.
(image data generating section 14)
Image data generating section 14, based on the data for projection of data for projection generating unit 131, generates and stores the view data of the structure representing subject E inside.Image data generating section 14 has image data storing section 140 and image computation unit 141.Image data storing section 140 stores the data for projection of data for projection generating unit 131 and the view data of image computation unit 141.Data for projection exports to image computation unit 141 by image data storing section 140.View data exports to video data generating unit 160 by image data storing section 140.
Image computation unit 141 receives the data for projection of image data storing section 140, carries out various image procossing and generate the view data of structure representing subject E inside to data for projection.Generated view data exports to image data storing section 140 by image computation unit 141.
(systems control division 15)
Systems control division 15, after the information such as command signal, shooting condition temporarily storing the user inputted from operating portion 2, carries out the control in the generation of the X-ray projection data based on these information, the generation of view data and each portion such as display, the control relevant with mechanism part 17.Systems control division 15 is configured to comprise such as blood processor and storage device.As blood processor, such as, use CPU (Central Processing Unit: CPU), GPU (Graphic Processing Unit: graphic process unit) or ASIC (Application Specific Integrated Circuit: programmable asic).Storage device is configured to such as comprise ROM (Read Only Memory: read only memory), RAM (Random Access Memory: random access memory), HDD (Hard Disc Drive: hard disk drive).The computer program of the function in each portion for performing radiographic apparatus 1 is stored in storage device.Blood processor realizes above-mentioned functions by performing these computer programs.
Systems control division 15 has limit storage part 150, calculating part 151 and part detection faces determination portion 152.Limit storage part 150 prestores the limit suitable with the anode A N side of X-ray tube 1000 in the limit of the detection faces of area detector 101.This limit becomes the benchmark of part detection faces described later.Fig. 4 is the schematic diagram represented the relation of the X-ray tube 1000 in Projection Division 10 and area detector 101.In this approach, the anode A N of X-ray tube 1000 is positioned at-x side, and negative electrode CA is positioned at+x side.That is, the exploring degree based on the image of the X-ray of-x side is better than the exploring degree of the image of the X-ray based on+x side.In addition, Fig. 5 A and Fig. 5 B is the schematic diagram to representing in the appearance of detection faces A1 of area detector 101 and the relation of detection faces A1 and part detection faces A2 of observing Fig. 4 from the direction of-y side direction+y side.Detection faces A1 has limit SD1, limit SD2, limit SD3 and limit SD4.In this approach, the limit SD1 being positioned at-x side is the limit suitable with anode A N side.The limit suitable with anode A N side is decided according to the anode A N of the X-ray tube 1000 in Projection Division 10 and the position relationship of negative electrode CA.This position relationship suitably can design according to the machine of radiographic apparatus 1.Such as, be arranged in-z side and negative electrode CA is positioned at the machine of+z side at the anode A N of X-ray tube 1000, limit SD2 is the limit suitable with anode A N side.Similarly, be arranged in+x side and negative electrode CA is positioned at the machine of-x side at the anode A N of X-ray tube 1000, limit SD3 is the limit suitable with anode A N side.In addition, be arranged in+z side and negative electrode CA is positioned at the machine of-z side at the anode A N of X-ray tube 1000, limit SD4 is the limit suitable with anode A N side.In the present embodiment, opposite side SD1 is that the example on the limit suitable with anode A N side is described.In addition, about part detection faces A2, aftermentioned.
(operating portion 2)
Operating portion 2 receives the operation of user, and the signal corresponding with the content of this operation, information are inputed to each portion of device.Operating portion 2 is made up of such as keyboard, mouse, various switches etc.
(display control unit 16)
Display control unit 16 makes display part 3 show the 1st image detecting data genaration based on the 1st of Projection Division 10.When receiving the amplification instruction of a part for the 1st image being amplified display, display control unit 16 makes display part 3 amplify 2nd image of display based on the 2nd detection data genaration, and the 2nd detection data detect the X-ray inciding subregion suitable with anode A N side in detection faces A1 and part detection faces and obtain.Such as, display control unit 16 is based on amplifying limit suitable with anode A N side in the limit of up-sizing and the detection faces A1 comprised in instruction, using the limit suitable with anode A N side at least partially as limit, make display part 3 amplify 2nd image of display based on the 2nd detection data genaration, the X-ray that the 2nd detection data detect the subregion and part detection faces A2 inciding detection faces A1 obtains.
Display control unit 16 has video data generating unit 160 and converter section 161.Video data generating unit 160 receives view data from image data storing section 140, and the subsidiary character information expected etc., as incidental information, generate video data in the view data received.Converter section 161 receives video data from video data generating unit 160, and carries out D/A conversion and TV format conversion to the video data received, and generates signal of video signal.Signal of video signal exports to display part 3 by converter section 161.Thus, display control unit 16 makes display part 3 show image.
(display part 3)
Display part 3 receives video data from display control unit 16, and is shown as image.Display part 3 is such as made up of display devices such as LCD (Liquid Crystal Display: liquid crystal display), CRT (Cathode Ray Tube: cathode ray tube).
(ECG measurement unit 4)
ECG measurement unit 4 measures the ECG (Electrocardiogram: electrocardiogram) of subject E, and exports this ECG to systems control division 15.In addition, ECG measurement unit 4 is equipped without the need to certain one as radiographic apparatus 1, also can be the structure of the outside being arranged at radiographic apparatus 1 via general interface.
(mechanism part 17)
Mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively move.Mechanism part 17 has examination Tai Bu travel mechanism 170, C arm rotates travel mechanism 171 and mechanism controls portion 172.Examination Tai Bu travel mechanism 170 makes examination platform portion 12 move along the body direction of principal axis of subject E, the direction vertical with body axle.C arm rotates travel mechanism 171 makes C arm 102 rotate along the direction of the surrounding of subject E, and C arm 102 is moved in parallel.Mechanism controls portion 172, based on the input from systems control division 15, controls examination Tai Bu travel mechanism 170 and C arm rotation travel mechanism 171.
[amplifying display]
The structure that the part at the position of the subject depicted in the picture shows as enlarged image is described by radiographic apparatus 1.At this, the image before amplifying display is set to the 1st image, the image shown by amplifying instruction is set to the 2nd image.
When receiving amplification instruction, systems control division 15 pairs of display control units 16 control, to make display part 3 be shown as enlarged image by the 2nd image detecting data genaration based on the 2nd, the 2nd detection data incide subregion suitable with anode A N side in detection faces A1 and part detection faces obtains.Such as, systems control division 15 exports amplifying the up-sizing comprised in instruction to part detection faces determination portion 152 with the limit suitable with anode A N side prestored by limit storage part 150.Amplify instruction and such as input to systems control division 15 by user via operating portion 2.
Systems control division 15 control section detection faces determination portion 152 carrys out determining section detection faces A2.As long as the center C2 of part detection faces A2 more leans on anode A N side than the center C1 of detection faces A1.The region of one of detection faces A1, based on up-sizing, is defined as part detection faces A2 as limit by the limit SD1 suitable with anode A N side by part detection faces determination portion 152 at least partially.Such as, when up-sizing is respective in length and breadth 2 times (be 4 times as area multiplying power) of image, part detection faces A2 be respectively in length and breadth detection faces A1 1/2nd length, and using the region (with reference to Fig. 5 A) of a part of limit SD1 as limit.In addition, part detection faces determination portion 152 also can with the line segment that be distance CL place apart from limit SD1 for a part of region of detection faces A1 be defined as part detection faces A2 (reference Fig. 5 B) by limit.In other words, the region had from have left the limit of certain distance CL apart from limit SD1 also can be defined as part detection faces A2 by part detection faces determination portion 152.At this, distance CL such as can preset, and also can be specified by user.In addition, part detection faces determination portion 152 also can with the position in the direction parallel with limit SD1 (the z-axis coordinate in Fig. 5 A or Fig. 5 B) at the center C1 of the detection faces A1 mode determining section detection faces A2 identical with the center C2 of part detection faces A2.
Display control unit 16 from systems control division 15 receiving unit detection faces A2, and makes display part 3 will detect the 2nd Nonlinear magnify display of data genaration based on the 2nd, and the 2nd detection data detect the X-ray inciding part detection faces A2 and obtain.
In addition, when making display part 3 by the 2nd Nonlinear magnify display, display control unit 16 such as also can read the coordinate of the view data received from image data generating section 14, and the view data in the region that comprises of the part detection faces A2 in image data generating is as video data.Display control unit 16 exports this video data to display part 3, and makes display part 3 amplify display as the 2nd image.
In addition, when receiving amplification instruction, systems control division 15 also can indicate to mechanism part 17 output displacement, and this displacement instruction represents to make the close direction in the 1st isocentric position corresponding with detection faces A1 and the center such as 2nd corresponding with part detection faces A2 based on detection faces A1 and part detection faces A2.Such as, calculating part 151 obtains the center such as the 2nd relative to the 1st isocentric displacement.Fig. 6 is the schematic diagram represented the position relationship of the center C4 such as center C3 and the 2nd such as the 1st.The center C3 such as the 1st is, the intersection point of the straight line be connected the center C2 of detection faces A1 with x-ray focus C5 and the turning cylinder AX of C arm 102.The center C4 such as the 2nd is, the intersection point of the straight line be connected the center of part detection faces A2 with x-ray focus C5 and the turning cylinder AX of C arm 102.At this, the distance of the center C3 such as the distance of the center C1 of x-ray focus C5 and detection faces A1 and x-ray focus C5 and the 1st is known.In addition, when determining part detection faces A2, the distance of the center C1 of detection faces A1 and the center C2 of part detection faces A2 is known.Calculating part 151, based on the triangle be made up of the center C1 of x-ray focus C5, detection faces A1 and the center C2 of part detection faces A2 and the leg-of-mutton similarity relation be made up of x-ray focus C5, the center C4 such as center C3 and the 2nd such as the 1st, obtains the displacement of the center C4 such as the 2nd center C3 such as relative to the 1st.Calculating part 151 exports calculated displacement to systems control division 15.The displacement corresponding with the displacement received from calculating part 151 indicates and exports to mechanism part 17 by systems control division 15.Displacement instruction refers to, controls, makes with the position of the center C4 such as the 2nd and the mode of the position consistency of amplifying the center C3 such as the before indicating the 1st instruction of examination platform portion 12 and Projection Division 10 relative movement to mechanism part 17.
When receiving displacement instruction from systems control division 15, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively mobile with the position consistency of the position and the center C3 such as the 1st that make the center C4 such as the 2nd.At this, the mechanism controls portion 172 of mechanism part 17 is based on the displacement instruction received, control C arm rotates travel mechanism 171, make Projection Division 10 to making the close direction of the center C4 such as the position of the center C3 such as the 1st and the 2nd, namely moving from the center C4 such as the 2nd to the direction of the center C3 such as the 1st, make the position of the center C4 such as the 2nd and the position consistency of the center C3 such as the 1st thus.In addition, consistent precision is now the design item of radiographic apparatus 1, can design can resistance to practicality error scope in.In addition, mechanism controls portion 172 also can control examination Tai Bu travel mechanism 170 and make examination platform portion 12 to making the close direction of the center C4 such as the position of the center C3 such as the 1st and the 2nd, namely moving from the center C3 such as the 1st to the direction of the center C4 such as the 2nd, makes the position of the center C4 such as the 2nd and the position consistency of the center C3 such as the 1st thus.In addition, mechanism controls portion 172 also can rotate travel mechanism 171 to C arm and examination both Tai Bu travel mechanisms 170 control and Projection Division 10 and examination both platform portions 12 are moved, and makes the position of the center C4 such as the 2nd and the position consistency of the center C3 such as the 1st thus.Thus, the center of the 1st image and the center of the 2nd image, in display part 3, the position expected is exaggerated display.
In addition, also can be that, when receiving amplification instruction, systems control division 15 controls X-ray aperture section 1001 based on the up-sizing comprised in this amplification instruction and the limit suitable with anode A N side, forms the slit to part detection faces A2 X-ray irradiation.Now, the size of slit reduces before receiving amplification instruction, and the direction on the limit suitable with anode A N side is partial in the position of slit.
[action]
The action of radiographic apparatus 1 is described.Fig. 7 is the flow chart represented the action of radiographic apparatus 1.
(step S01)
Radiographic apparatus 1 photographs the 1st image and display part 3 is shown.Now, X-ray generating unit 100 is for detection faces A1 X-ray irradiation, and area detector 101 detects transmission subject E and incides the X-ray of detection faces A1.Area detector 101 it can be used as the 1st to detect data and exports data for projection generating unit 131 to.Data for projection generating unit 131 exports the data for projection detecting data based on the receive the 1st to image data generating section 14.Image data generating section 14 based on the data for projection image data generating received, and exports display control unit 16 to.Display control unit 16 generates video data based on the view data received, and display part 3 is shown.
(step S02, S03)
When receiving amplification instruction (step S02 is yes), this amplification is indicated the up-sizing comprised and the limit suitable with anode A N side stored in limit storage part 150 by systems control division 15, exports part detection faces determination portion 152 to.Part detection faces determination portion 152 exports determined part detection faces A2 to X-ray aperture section 1001 and calculating part 151.In addition, when systems control division 15 does not receive amplification instruction (being no in step S02), the action of radiographic apparatus 1 turns back to step S01.
(step S04)
X-ray aperture section 1001 changes slit based on the part detection faces A2 received from part detection faces determination portion 152.Thus, the X-ray from X-ray tube 1000 is irradiated towards part detection faces A2.
(step S05)
Calculating part 151, based on detection faces A1 and the part detection faces A2 that receives from part detection faces determination portion 152, obtains the displacement of the center C4 such as the corresponding with part detection faces A2 the 2nd relative to the center C3 such as 1st corresponding with detection faces A1.Calculated displacement exports to systems control division 15 by calculating part 151.The displacement corresponding with the displacement received from calculating part 151 indicates and exports to mechanism part 17 by systems control division 15.
(step S06)
Mechanism part 17 receives displacement instruction from systems control division 15, and examination platform portion 12 and Projection Division 10 are relatively moved, with the position consistency of the position and the center C3 such as the 1st that make the center C4 such as the 2nd.In addition, step S04 and step S05 and step S06 is equivalent to deal with relationship side by side.
(step S07)
Radiographic apparatus 1 is taken the 2nd image and display part 3 is shown.Now, X-ray generating unit 100 is for part detection faces A2 X-ray irradiation, and area detector 101 detects transmission subject E and incides the X-ray of part detection faces A2.Area detector 101, detects data as the 2nd and exports data for projection generating unit 131 to.Data for projection generating unit 131 exports the data for projection detecting data based on the receive the 2nd to image data generating section 14.Image data generating section 14 generates the view data based on the data for projection received, and is exported to display control unit 16.Display control unit 16 generates video data based on the view data received, and makes display part 3 amplify display.As mentioned above, the release shown in Fig. 7.
[effect]
The effect of the radiographic apparatus 1 of present embodiment is described.
Radiographic apparatus 1 has the examination platform portion 12 of mounting subject E, Projection Division 10, display control unit 16 and systems control division 15.Projection Division 10 comprises X-ray tube 1000 and the 1st detector, and X-ray tube 1000 possesses negative electrode CA and the electronics that receives from negative electrode CA and to the anode A N of subject E X-ray irradiation, the 1st detector detects transmission subject E and incides the X-ray of detection faces A1.Display control unit 16 makes display part 3 show the 1st image detecting data genaration based on the 1st of Projection Division 10.When receiving the amplification instruction part at the position of the subject E depicted in the 1st image shown as enlarged image, systems control division 15 pairs of display control units 16 control, to make display part 3 that the 2nd image detecting data genaration based on the 2nd is shown as enlarged image, the 2nd detection data are that the X-ray detecting the subregion suitable with anode A N side and the part detection faces A2 incided in detection faces A1 obtains.Like this, when the amplification instruction receiving image, the Nonlinear magnify based on the X-ray inciding part detection faces A2 shows by radiographic apparatus 1.In addition, the X-ray of the anode A N side of X-ray tube 1000 incides part detection faces A2, and the exploring degree based on the image of the X-ray of anode A N side is good.Thereby, it is possible to provide the radiographic apparatus 1 of the exploring degree that can improve the image amplifying display.
In addition, systems control division 15 has calculating part 151.When receiving amplification instruction, calculating part 151 is based on detection faces A1 and part detection faces A2, obtain the displacement of the center C4 such as the corresponding with part detection faces A2 the 2nd relative to the center C3 such as 1st corresponding with detection faces A1, and calculated displacement system is exported to control part 15.The displacement corresponding with the displacement received from calculating part 151 indicates and exports to mechanism part 17 by systems control division 15.In addition, when receiving displacement instruction from systems control division 15, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively move, with the position consistency of the position and the center C3 such as the 1st that make the center C4 such as the 2nd.Like this, improve the position consistency of the center C4 such as the 2nd after making the position of the center C3 such as the 1st before amplification and amplifying, the positions are conformed to each other of the subject E that the position of subject E that the center delineation of image before amplification goes out thus goes out with the center delineation of image after amplification.Therefore, it is possible to provide the exploring degree that can improve the image amplifying display, and the radiographic apparatus 1 amplifying display can be carried out under the state depicting same position.
< the 2nd embodiment >
[structure]
The radiographic apparatus of the 2nd embodiment is described.The difference of present embodiment and the 1st embodiment is, the structure of systems control division 15 and mechanism part 17.Below, mainly the item different from the 1st embodiment is described.
When receiving amplification instruction, systems control division 15 exports to mechanism part 17 and rotates instruction, this rotation instruction expression the 2nd straight line becomes and is parallel to the in rotary moving of the 1st straight line, 1st straight line is the 1st straight line be connected with x-ray focus C5 by the center C1 of detection faces A1, and the 2nd straight line is the straight line be connected with x-ray focus C5 by the center C2 of part detection faces A2.
The schematic diagram that Fig. 8 A is examination platform portion 12 before making examination platform portion 12 and Projection Division 10 relatively mobile to mechanism part 17, subject E and Projection Division 10 represent.The schematic diagram that Fig. 8 B is examination platform portion 12 when examination platform portion 12 and Projection Division 10 relatively being moved to mechanism part 17, subject E and Projection Division 10 represent.The schematic diagram that Fig. 8 C is examination platform portion 12 when examination platform portion 12 and Projection Division 10 relatively being rotated to mechanism part 17, subject E and Projection Division 10 represent.When mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively move, the direction of the 1st straight line L1 is different from the direction of the 2nd straight line L2.The direction of the 1st straight line L1 is equivalent to the x-ray bombardment direction to subject E before amplifying instruction.2nd straight line L2 direction is equivalent to the x-ray bombardment direction of amplifying the backward subject E of instruction.
Such as, systems control division 15, based on the displacement calculated by calculating part 151, obtains the angle in the direction of the 1st straight line L1 and the direction of the 2nd straight line L2.Systems control division 15, based on calculated angle, will make examination platform portion 12 and the instruction that Projection Division 10 is relatively rotated, namely represent that the 1st straight line L1 and the 2nd straight line L2 become parallel rotation in rotary moving and indicate and export mechanism part 17 to.
When receiving rotation instruction, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively rotate.Now, the mechanism controls portion 172 of mechanism part 17, based on the rotation instruction received, controls C arm rotation travel mechanism 171 and Projection Division 10 is rotated, making the 2nd straight line L2 be parallel to the 1st straight line L1 thus.In addition, parallel precision is now the design item of radiographic apparatus, can design can resistance to practicality error scope in.In addition, mechanism controls portion 172 also can control examination Tai Bu travel mechanism 170 and examination platform portion 12 be rotated, and makes the 2nd straight line L2 be parallel to the 1st straight line L1 thus.In addition, mechanism controls portion 172 also can rotate travel mechanism 171 to C arm and examination both Tai Bu travel mechanisms 170 control, and Projection Division 10 and examination both platform portions 12 are rotated, and makes the 2nd straight line L2 be parallel to the 1st straight line L1 thus.Thus, the radioscopic image that the radiographic apparatus of present embodiment is identical relative to the direction of illumination of subject with X-ray after amplification instruction before can being created on and amplifying instruction.
In addition, when mechanism part 17 makes Projection Division 10 rotate, exist and relatively move the situation of rotating centered by the C30 of Hou Deng center to examine platform portion 12 with Projection Division 10.In this case, the position of the center C3 such as the 1st before amplifying instruction with rotate after the position of the center C4 such as the 2nd produce and offset.It is the straight line Shang Deng center that examination platform portion 12 is connected with the center C10 of the detection faces A1 of area detector 101 with the x-ray focus C5 behind Projection Division 10 relatively movement Deng center C30.Such as, calculating part 151 based on amplify the center C3 such as the 1st before instruction position, etc. the position of center C30 and the rotational angle of Projection Division 10, obtain length and the direction of this skew, and calculated length and range tie exported to control part 15.Systems control division 15 exports the displacement instruction based on the length obtained by calculating part 151 and direction to control part 17.Mechanism part 17 indicates based on this displacement, and examination platform portion 12 and Projection Division 10 are relatively moved.Thus, in this case also, the center such as the 2nd and the position consistency of amplifying the center C3 such as the before indicating the 1st.
[action]
Fig. 9 is the flow chart represented the action of the radiographic apparatus of this embodiment.
(step S11 ~ step S16)
The process of the step S01 ~ step S06 in the process of step S11 ~ step S16 and the flow chart of Fig. 7 is suitable.
(step S17)
Systems control division 15 will represent that the rotation instruction in rotary moving the 2nd straight line L2 being become be parallel to the 1st straight line L1 exports mechanism part 17 to, 1st straight line L1 is the straight line be connected with x-ray focus C5 by the center C1 of detection faces A1, and the 2nd straight line L2 is the straight line be connected with x-ray focus C5 by the center C2 of part detection faces A2.Mechanism part 17 receives rotates instruction, and examination platform portion 12 and Projection Division 10 are relatively rotated, and makes the 2nd straight line L2 be parallel to the 1st straight line L1 thus.
(step S18)
The process of the step S07 in the process of step S18 and the flow chart of Fig. 7 is suitable.
[effect]
The effect of the radiographic apparatus of present embodiment is described.When receiving amplification instruction, expression the 2nd straight line is become the rotation instruction in rotary moving being parallel to the 1st straight line and exports mechanism part 17 to by systems control division 15,1st straight line is the straight line be connected with x-ray focus C5 by the center C1 of detection faces A1, and the 2nd straight line is the straight line be connected with x-ray focus C5 by the center C2 of part detection faces A2.When receiving rotation instruction, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively rotate.Thus, the 2nd straight line L2 becomes and is parallel to the 1st straight line L1.Therefore, it is possible to provide the radiographic apparatus being created on and amplifying the front radioscopic image identical relative to the direction of illumination of subject with X-ray after amplification instruction of instruction.
< the 3rd embodiment >
[structure]
The radiographic apparatus of the 3rd embodiment is described.The difference of present embodiment and the 1st embodiment and the 2nd embodiment is, the structure of Projection Division 10, systems control division 15 and mechanism part 17 is different.Below, mainly the item different from the 1st embodiment and the 2nd embodiment is described.
Figure 10 is the block diagram represented the structure of present embodiment radiographic apparatus 1.Figure 11 A and Figure 11 B is the schematic diagram represented the outline of the Projection Division 10 of present embodiment.Projection Division 10 comprises the 1st detector 1011 and the 2nd detector 1012.Area detector 101 in 1st detector 1011 and the 1st embodiment is suitable.Mechanism part 17 comprises the 2nd detector push-pull structure 173.
2nd detector 1012 is configured to can insert between the 1st detector 1011 and subject E.Such as, the 2nd detector 1012 is plugged between the 1st detector 1011 and subject E by the 2nd detector push-pull structure 173.Figure 11 A schematically represents the appearance that the 2nd detector 1012 inserted before between the 1st detector 1011 and subject E.Figure 11 B schematically represents the appearance that the 2nd detector 1012 inserts between the 1st detector 1011 and subject E.Such as, the 2nd detector push-pull structure 173 is formed as arm.One end of 2nd detector push-pull structure 173 is installed on the assigned position P of the top (+y direction in Figure 11 A, Figure 11 B) of the 1st detector 1011 on Projection Division 10 in the mode that can rotate.The other end of the 2nd detector push-pull structure 173 is fixed on the 2nd detector 1012.2nd detector push-pull structure 173 rotates centered by the P of assigned position, and the 2nd detector 1012 plugs between the 1st detector 1011 and subject E thus.The detection data of the X-ray detected based on the 2nd detector 1012 are exported by charge voltage converter section 1310.The schematic diagram that Figure 12 A is examination platform portion 12 before making examination platform portion 12 and Projection Division 10 relatively mobile to mechanism part 17, subject E and Projection Division 10 represent.The schematic diagram that Figure 12 B is examination platform portion 12 when examination platform portion 12 and Projection Division 10 relatively being moved to mechanism part 17, subject E and Projection Division 10 represent.The schematic diagram that Figure 12 C is examination platform portion 12 when examination platform portion 12 and Projection Division 10 being relatively rotated to mechanism part 17, subject E and Projection Division 10 represent.Details is aftermentioned.
As the 2nd detector 1012, use the area detector that X-ray detects compared with the 1st detector 1011 spatial resolution is high.Now, based on the exploring degree of the image of the X-ray detected by the 2nd detector 1012, higher than the exploring degree of the image based on the X-ray detected by the 1st detector 1011.As an example, use the area detector of indirect conversion type as the 1st detector 1011, use the area detector of direct conversion type as the 2nd detector 1012.
When receiving the insertion instruction that the 2nd detector 1012 is inserted, systems control division 15 exports displacement instruction to mechanism part 17, and this displacement instruction represents the direction making the center C6 such as the corresponding with the detection faces A3 of the 2nd detector 1012 the 3rd close to the position of the center C1 such as 1st corresponding with the detection faces A1 of the 1st detector 1011.This is equivalent to, and in the 1st embodiment, the center C4 such as center C2 and the 2nd of part detection faces A2, part detection faces A2 is replaced into the center C6 such as center C7 and the 3rd of the detection faces A3 of the 2nd detector 1012, the detection faces A3 of the 2nd detector 1012 in the 3rd embodiment.In addition, the positional information of detection faces A3 is determined based on the control information of the 2nd detector push-pull structure 173.Insert instruction to be inputted to systems control division 15 via operating portion by user.
In addition, when receiving the insertion instruction that the 2nd detector 1012 is inserted, systems control division 15 also can export rotation instruction to mechanism part 17, this rotation instruction represents that the 3rd straight line L3 is become is parallel to the in rotary moving of the 1st straight line L1,1st straight line L1 is the straight line be connected with x-ray focus C5 by the center C1 of the detection faces A1 of the 1st detector 1011, and the 3rd straight line L3 is the straight line be connected with x-ray focus C5 by the center C6 of the detection faces A3 of the 2nd detector 1012.This is equivalent to, and the 2nd straight line L2 in the 2nd embodiment is replaced into the 3rd straight line L3 in the 3rd embodiment.
When receiving displacement instruction, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively move.This is equivalent to, the center C4 such as the part detection faces A2 in the 1st embodiment, the center C2 of part detection faces A2 and the 2nd, are replaced into the center C6 such as center C7 and the 3rd of detection faces A3 of the detection faces A3 of the 2nd detector 1012, the 2nd detector 1012 in the 3rd embodiment.
In addition, when receiving rotation instruction, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively rotate.This is equivalent to, and the 2nd straight line L2 in the 2nd embodiment is replaced into the 3rd straight line L3 in the 3rd embodiment.
The schematic diagram that Figure 12 A is examination platform portion 12 before making examination platform portion 12 and Projection Division 10 relatively mobile to mechanism part 17, subject E and Projection Division 10 represent.The schematic diagram that Figure 12 B is examination platform portion 12 when examination platform portion 12 and Projection Division 10 relatively being moved to mechanism part 17, subject E and Projection Division 10 represent.The schematic diagram that Figure 12 C is examination platform portion 12 when examination platform portion 12 and Projection Division 10 having been relatively rotated to mechanism part 17, subject E and Projection Division 10 represent.Such as there is following situation: after user's visual identity in radioscopy goes out the image based on the 1st detector 1011, want the image vision based on high the 2nd detector 1012 of exploring degree compared with this image to be identified as enlarged image to the 2nd detector 1012.The radiographic apparatus 1 of the 3rd embodiment, can with the insertion indication linkage ground that the 2nd detector 1012 is inserted, make insertion indicate before isocentric position with insert indicate Hou Deng center consistent, and make insertion instruction before for subject E x-ray bombardment direction with insertion indicate after x-ray bombardment direction parallel.
In addition, when having made the amplification instruction for the image based on the X-ray detected by the 2nd detector 1012, radiographic apparatus 1 also can show enlarged image by the structure area detector 101 in the 1st embodiment being replaced into the 2nd detector 1012.
[action]
Figure 13 is the flow chart represented radiographic apparatus 1 action of present embodiment.
(step S21)
Radiographic apparatus 1 photographs the 1st image and display part 3 is shown.Now, X-ray generating unit 100 is for detection faces A1 X-ray irradiation, and the 1st detector 1011 detects transmission subject E and incides the X-ray of detection faces A1.1st detector 1011 detects data as the 1st and exports data for projection generating unit 131 to.Data for projection generating unit 131 exports the data for projection detecting data based on the receive the 1st to image data generating section 14.Image data generating section 14 generates the view data based on the data for projection received, and exports display control unit 16 to.Display control unit 16 generates video data based on the view data received, and display part 3 is shown.
(step S22, S23)
Receive when inserting instruction (step S22 is yes), systems control division 15 controlling organization 17, is inserted into the 2nd detector 1012 between the 1st detector 1011 and subject E.In addition, systems control division 15 does not receive when inserting instruction (being no in step S22), and the action of radiographic apparatus 1 turns back to step S21.
(step S24)
X-ray aperture section 1001 changes slit based on the detection faces A3 of the 2nd detector 1012.Thus, the X-ray from X-ray tube 1000 is irradiated towards detection faces A3.
(step S25)
Calculating part 151, based on detection faces A1 and detection faces A3, obtains the displacement of the center C6 such as the corresponding with detection faces A3 the 3rd relative to the center C3 such as 1st corresponding with detection faces A1.The displacement obtained exports to systems control division 15 by calculating part 151.The displacement corresponding with the displacement received from calculating part 151 indicates and exports to mechanism part 17 by systems control division 15.
(step S26)
Mechanism part 17 receives displacement instruction from systems control division 15, and examination platform portion 12 and Projection Division 10 are relatively moved, with the position consistency of the position and the center C3 such as the 1st that make the center C6 such as the 3rd.In addition, step S24 and step S25 and step S26 is relative to dealing with relationship side by side.
(step S27)
Systems control division 15 exports rotation instruction to mechanism part 17, this rotation instruction expression the 3rd straight line L3 becomes and is parallel to the in rotary moving of the 1st straight line L1,1st straight line L1 is the straight line be connected with x-ray focus C5 by the center C1 of detection faces A1, and the 3rd straight line L3 is the straight line be connected with x-ray focus C5 by the center C7 of detection faces A3.Mechanism part 17 receives rotates instruction, and examination platform portion 12 and Projection Division 10 are relatively rotated, and makes the 3rd straight line L3 be parallel to the 1st straight line L1 thus.
(step S28)
Radiographic apparatus 1 photographs the image based on the X-ray detected by the 2nd detector 1012, and display part 3 is shown.Now, X-ray generating unit 100 is for detection faces A3 X-ray irradiation, and the 2nd detector 1012 detects transmission subject E and incides the X-ray of detection faces A3.2nd detector 1012 exports detection data to data for projection generating unit 131.Data for projection generating unit 131 exports the data for projection based on the detection data received to image data generating section 14.Image data generating section 14 generates the view data based on the data for projection received, and exports display control unit 16 to.Display control unit 16 generates video data based on the view data received, and makes display part 3 amplify display.Above, the action shown in Figure 13 is terminated.
[effect]
The effect of the radiographic apparatus 1 of present embodiment is described.Projection Division 10 comprises the 1st detector 1011 and the 2nd detector 1012.When receiving the insertion instruction making the 2nd detector 1012 insert, systems control division 15 exports displacement instruction to mechanism part 17, and this displacement instruction represents the direction making the center C6 such as the corresponding with the detection faces A3 of the 2nd detector 1012 the 3rd close to the position of the center C1 such as 1st corresponding with the detection faces A1 of the 1st detector 1011.In addition, when receiving the insertion instruction making the 2nd detector 1012 insert, systems control division 15 exports rotation instruction to mechanism part 17, this rotation instruction expression the 3rd straight line L3 becomes and is parallel to the in rotary moving of the 1st straight line L1,1st straight line L1 is the straight line be connected with x-ray focus C5 by the center C1 of the detection faces A1 of the 1st detector 1011, and the 3rd straight line L3 is the straight line be connected with x-ray focus C5 by the center C6 of the detection faces A3 of the 2nd detector 1012.When receiving displacement instruction, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively move.In addition, when receiving rotation instruction, mechanism part 17 makes examination platform portion 12 and Projection Division 10 relatively rotate.Thus, radiographic apparatus 1 can with the insertion indication linkage ground inserted by the 2nd detector 1012, make insertion indicate after isocentric position with insert indicate Qian Deng center consistent, and make insertion instruction before for subject E x-ray bombardment direction with insertion indicate after x-ray bombardment direction parallel.Therefore, it is possible to provide such radiographic apparatus: the image before being inserted into for the 2nd detector and the image after being inserted into, can make isocentric position consistency, and the x-ray bombardment direction for subject can be made parallel.
Be illustrated several embodiment of the present invention, but these embodiments are pointed out as an example, intention is not limit scope of invention.These embodiments can be implemented in other various modes, in the scope of purport not departing from invention, can carry out various omission, displacement, change.These embodiments and distortion thereof, be contained in scope of invention and purport, similarly, is contained in the invention of claims record and equivalent scope thereof.
Symbol description
1 radiographic apparatus
2 operating portions
3 display parts
4 ECG measurement unit
10 Projection Divisions
11 high voltage generating units
12 examination platform portions
13 X-ray test sections
14 image data generating section
15 systems control divisions
16 display control units
17 mechanism part
100 X-ray generating units
101 area detectors
102 C arms
110 X-ray control unit
111 high voltage generators
130 gate drivers
131 data for projection generating units
140 image data storing section
141 image computation unit
150 limit storage parts
151 calculating parts
152 part detection faces determination portions
160 video data generating units
161 converter sections
170 examination Tai Bu travel mechanisms
171 C arms rotate travel mechanism
172 mechanism controls portions
173 the 2nd detector push-pull structures
1000 X-ray tubes
1001 X-ray aperture section
1011 the 1st detectors
1012 the 2nd detectors
1310 charge voltage converter sections
1311 A/D converter sections
Accompanying drawing explanation
Fig. 1 is the block diagram represented the structure of the radiographic apparatus of embodiment.
Fig. 2 is the schematic diagram represented the outline of the radiographic apparatus of embodiment.
Fig. 3 is the schematic diagram represented the outline of the X-ray tube of embodiment.
Fig. 4 is the schematic diagram represented the outline of the Projection Division of embodiment.
Fig. 5 A is the schematic diagram represented the outline of the detection faces of embodiment.
Fig. 5 B is the schematic diagram represented the outline of the detection faces of embodiment.
Fig. 6 is the schematic diagram represented with the 2nd isocentric outline the center (isocentre) such as the 1st of embodiment.
Fig. 7 is the flow chart represented the action of the radiographic apparatus of embodiment.
The schematic diagram that Fig. 8 A is examination platform portion to embodiment, the outline of subject and Projection Division represents.
The schematic diagram that Fig. 8 B is examination platform portion to embodiment, the outline of subject and Projection Division represents.
The schematic diagram that Fig. 8 C is examination platform portion to embodiment, the outline of subject and Projection Division represents.
Fig. 9 is the flow chart represented the action of the radiographic apparatus of embodiment.
Figure 10 is the block diagram represented the structure of the radiographic apparatus of embodiment.
Figure 11 A is the schematic diagram represented the outline of the Projection Division of embodiment.
Figure 11 B is the schematic diagram represented the outline of the Projection Division of embodiment.
The schematic diagram that Figure 12 A is examination platform portion to embodiment, the outline of subject and Projection Division represents.
The schematic diagram that Figure 12 B is examination platform portion to embodiment, the outline of subject and Projection Division represents.
The schematic diagram that Figure 12 C is examination platform portion to embodiment, the outline of subject and Projection Division represents.
Figure 13 is the flow chart represented the action of the radiographic apparatus of embodiment.
Claims (9)
1. a radiographic apparatus, has:
Examination platform portion, mounting subject;
Projection Division, comprises X-ray tube and the 1st detector, and this X-ray tube possesses negative electrode and the electronics that receives from described negative electrode and to the anode of subject X-ray irradiation, the 1st detector detects subject described in transmission and incides the X-ray of detection faces; And
Display control unit, makes display part show the 1st image, and the 1st image detects data based on the 1st of described Projection Division and generates,
The feature of described radiographic apparatus is,
There is systems control division, when the amplification instruction that the part receiving the position making the subject depicted in described 1st image shows as enlarged image, this systems control division controls described display control unit, to make display part be shown as described enlarged image by the 2nd image detecting data genaration based on the 2nd, the 2nd detection data detect the X-ray inciding subregion suitable with described anode-side in described detection faces and part detection faces and obtain.
2. radiographic apparatus as claimed in claim 1, is characterized in that,
Described part detection faces is, based on the limit that anode-side described in the described Bian Zhongyu amplifying the up-sizing that comprises and described detection faces in instruction is suitable, using the limit suitable with described anode-side at least partially as the described subregion on limit.
3. radiographic apparatus as claimed in claim 1, is characterized in that,
Also have mechanism part, this mechanism part makes described examination platform portion and described Projection Division relatively move,
When receiving described amplification instruction, described systems control division is based on described detection faces and described part detection faces, export displacement instruction to described mechanism part, this displacement instruction represents makes the close direction in the 1st isocentric position corresponding with described detection faces and the center such as 2nd corresponding with described part detection faces
When receiving described displacement instruction, described mechanism part makes described examination platform portion and described Projection Division relatively move.
4. radiographic apparatus as claimed in claim 3, is characterized in that,
Described systems control division has obtains the calculating part of the center such as the described 2nd relative to described 1st isocentric displacement, in described displacement instruction, export described mechanism part to comprising described displacement,
When receiving described displacement instruction, described mechanism part makes described examination platform portion and described Projection Division relatively move based on described displacement, to make center and the described 1st isocentric position consistency such as the described 2nd.
5. radiographic apparatus as claimed in claim 3, is characterized in that,
When receiving described displacement instruction, described mechanism part makes described Projection Division move.
6. radiographic apparatus as claimed in claim 3, is characterized in that,
When receiving described displacement instruction, described mechanism part makes described examination platform portion move.
7. radiographic apparatus as claimed in claim 3, is characterized in that,
When receiving described amplification instruction, described systems control division exports rotation instruction to described mechanism part, this rotation instruction expression the 2nd straight line becomes and is parallel to the in rotary moving of the 1st straight line, 1st straight line is the straight line be connected with x-ray focus at the center of described detection faces, 2nd straight line is the straight line be connected with described x-ray focus at the center of described part detection faces
When receiving described rotation instruction, described mechanism part makes described examination platform portion and described Projection Division relatively rotate.
8. radiographic apparatus as claimed in claim 1, is characterized in that,
Also have mechanism part, this mechanism part makes described examination platform portion and described Projection Division relatively move,
Described Projection Division comprises the 2nd detector that can insert between described 1st detector and described subject,
When receiving the insertion instruction making described 2nd detector insert, described systems control division exports displacement instruction to described mechanism part, this displacement instruction represents the direction making the center such as the corresponding with the detection faces of described 2nd detector the 3rd close to the 1st isocentric position corresponding with the detection faces of described 1st detector
When receiving described displacement instruction, described mechanism part makes described examination platform portion and described Projection Division relatively move.
9. radiographic apparatus as claimed in claim 1, is characterized in that,
Also have mechanism part, this mechanism part makes described examination platform portion and described Projection Division relatively move,
Described Projection Division comprises the 2nd detector that can insert between described 1st detector and described subject,
When receiving the insertion instruction making described 2nd detector insert, described systems control division exports rotation instruction to described mechanism part, this rotation instruction expression the 3rd straight line becomes and is parallel to the in rotary moving of the 1st straight line, 1st straight line is the straight line be connected with x-ray focus at the center of the detection faces of described 1st detector, 3rd straight line is the straight line be connected with described x-ray focus at the center of the detection faces of described 2nd detector
When receiving described rotation instruction, described mechanism part makes described examination platform portion and described Projection Division relatively rotate.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-009819 | 2013-01-23 | ||
| JP2013009819 | 2013-01-23 | ||
| PCT/JP2014/051275 WO2014115774A1 (en) | 2013-01-23 | 2014-01-22 | X-ray diagnostic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104955395A true CN104955395A (en) | 2015-09-30 |
Family
ID=54169548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480005764.8A Pending CN104955395A (en) | 2013-01-23 | 2014-01-22 | X-ray diagnostic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104955395A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108324294A (en) * | 2017-01-19 | 2018-07-27 | 株式会社日立制作所 | X-ray filming apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007159913A (en) * | 2005-12-15 | 2007-06-28 | Toshiba Corp | X-ray diagnostic apparatus and its operating method |
| JP2008142236A (en) * | 2006-12-08 | 2008-06-26 | Toshiba Corp | X-ray diagnostic apparatus |
| JP2010094497A (en) * | 2008-09-16 | 2010-04-30 | Fujifilm Corp | Radiation image photographing method and apparatus |
| JP2011206534A (en) * | 2010-03-12 | 2011-10-20 | Morita Mfg Co Ltd | X-ray imaging apparatus |
| CN102858249A (en) * | 2011-04-22 | 2013-01-02 | 株式会社东芝 | X-ray image diagnostic apparatus |
-
2014
- 2014-01-22 CN CN201480005764.8A patent/CN104955395A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007159913A (en) * | 2005-12-15 | 2007-06-28 | Toshiba Corp | X-ray diagnostic apparatus and its operating method |
| JP2008142236A (en) * | 2006-12-08 | 2008-06-26 | Toshiba Corp | X-ray diagnostic apparatus |
| JP2010094497A (en) * | 2008-09-16 | 2010-04-30 | Fujifilm Corp | Radiation image photographing method and apparatus |
| JP2011206534A (en) * | 2010-03-12 | 2011-10-20 | Morita Mfg Co Ltd | X-ray imaging apparatus |
| CN102858249A (en) * | 2011-04-22 | 2013-01-02 | 株式会社东芝 | X-ray image diagnostic apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108324294A (en) * | 2017-01-19 | 2018-07-27 | 株式会社日立制作所 | X-ray filming apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6944265B2 (en) | Image pasting using geometry measurement and a flat-panel detector | |
| JP5388680B2 (en) | Scattered ray correction method and scattered ray correction apparatus | |
| US10175181B2 (en) | X-ray imaging system allowing the correction of the scatter radiation and precise detection of the distance between the source and the detector | |
| JP4157455B2 (en) | X-ray diagnostic apparatus and imaging system movement control method | |
| CN102573634B (en) | Medical image processing device, X-ray computer tomography device, and medical image processing method | |
| JP6112773B2 (en) | Radiation imaging apparatus, control method thereof, and program | |
| CN102858249A (en) | X-ray image diagnostic apparatus | |
| JP2020146440A (en) | System and method for acquiring x-ray image | |
| US8903039B2 (en) | Tomographic image generation device and method | |
| CN103889331A (en) | Medical-image diagnostic device, medical-image processing device, and medical-image processing method | |
| CN104869906A (en) | Medical image diagnostic device and medical image processing device | |
| JP6157919B2 (en) | X-ray diagnostic equipment | |
| JPWO2015030091A1 (en) | X-ray imaging apparatus and X-ray fluoroscopic image display method | |
| CN103561658A (en) | X-ray diagnostic device and x-ray diagnostic support method | |
| JPH10234724A (en) | X-ray computed tomograph | |
| CN110109174A (en) | Drift correction method, apparatus, system and the storage medium of flat panel detector | |
| CN104955395A (en) | X-ray diagnostic device | |
| JP2017189240A (en) | X-ray detector and X-ray diagnostic apparatus | |
| JP6632881B2 (en) | Medical image diagnostic equipment | |
| JP2019118462A (en) | Radiographic image display apparatus and image display method | |
| JP5836079B2 (en) | Medical diagnostic imaging equipment | |
| KR101129369B1 (en) | Tomograph | |
| US20150320378A1 (en) | X-ray diagnosis apparatus | |
| JP2021036970A (en) | Image processing apparatus, radiographic system, image processing method and program | |
| JP2013192777A (en) | Radiographic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160713 Address after: Tochigi County, Japan Applicant after: Toshiba Medical System Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Toshiba Corp Applicant before: Toshiba Medical System Co., Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150930 |
|
| WD01 | Invention patent application deemed withdrawn after publication |