CN102413764B - X-ray diagnostic device and method for controlling x-ray diaphragm - Google Patents
X-ray diagnostic device and method for controlling x-ray diaphragm Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 44
- 238000012360 testing method Methods 0.000 claims description 49
- 238000012545 processing Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000001678 irradiating effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000000370 acceptor Substances 0.000 description 36
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 210000000056 organ Anatomy 0.000 description 6
- 230000002485 urinary effect Effects 0.000 description 6
- 230000011218 segmentation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- A61B6/06—Diaphragms
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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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
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Abstract
In order to improve the operability of an X-ray diaphragm, and to reduce X-ray exposure to a subject, provided is an X-ray diagnostic device which is equipped with an X-ray irradiation section (104) for irradiating an X-ray to a subject, an X-ray diaphragm (106) having a plurality of diaphragm blades which block the X-ray, an X-ray diaphragm movement section (132) for inducing the movement of the plurality of diaphragm blades, an X-ray detection section (112) which is arranged so as to face the X-ray irradiation section and which detects the transmission X-ray of the subject, and a display section (118) for displaying X-ray images based on the X-ray signal detected by the X-ray detection section (112). The X-ray diagnostic device is equipped with a storage section (130) for storing a plurality of blocks obtained by dividing an X-ray irradiation area to which the X-ray is irradiated, and a selection section (122) for selecting at least one block among the plurality of blocks, wherein the X-ray diaphragm movement section (132) induces the movement of the plurality of diaphragm blades correspondingly to the selected block. Also provided is a method for controlling the X-ray diaphragm of the X-ray diagnostic device.
Description
Technical field
The present invention relates to utilize X ray to carry out X ray shooting and show radiographic apparatus and the X ray diaphragm control method of radioscopic image.
Background technology
Radiographic apparatus, to acceptor X-ray irradiation, with X ray test section, detect the X ray seeing through, obtain thus the X ray signal that sees through acceptor, with image processing part, X ray signal processed and generated radioscopic image, on display part, showing thus the radioscopic image of acceptor.
In recent years, provide in advance the identiflication number corresponding with the position of having carried out the X ray diaphragm after X ray is taken, position when operator takes by selecting this identiflication number, can make the X ray diaphragm be reproduced in to carry out last time X ray.(for example patent documentation 1).
Patent documentation 1: Japanese kokai publication hei 4-288146 communique
Summary of the invention
In patent documentation 1, can expect, operator is difficult to from holding intuitively the relation between identiflication number and the position of X ray diaphragm, thereby is difficult to accordingly X ray diaphragm be operated exactly with the shooting position of acceptor.
Particularly, when the urinary organs of acceptor is taken, acceptor is sitting on the end of workbench sometimes, X ray test section is moved to the end of workbench, and urinary organs is carried out to X ray shooting (according to X ray).So,, in the situation that X ray test section moves to the end of workbench, position that must be corresponding to the urinary organs with acceptor is the end X-ray irradiation of X ray test section.But, if cannot operate X ray diaphragm accordingly with the shooting position of acceptor, likely to the region without carrying out X ray shooting also X-ray irradiation, thereby there is unnecessary X ray and be subject to according to amount.
Therefore, the object of the invention is to, improve the operability of X ray diaphragm, and reduce the X ray of acceptor to be subject to shine and measure.
In order to address the above problem, the present invention forms as follows.
Radiographic apparatus of the present invention, it comprises: the x-ray bombardment portion to acceptor X-ray irradiation, have for covering the X ray diaphragm of a plurality of blades of diaphragm of described X ray, the X ray diaphragm moving part that described a plurality of blade of diaphragm is moved, configure in opposite directions and detect the X ray test section of the X ray that sees through described acceptor and the display part that shows the radioscopic image based on by the detected X ray signal of described X ray test section with described x-ray bombardment portion, wherein, described radiographic apparatus also comprises: storage part, a plurality of sections that storage is divided into the x-ray irradiation area of illuminated X ray, and selection portion, select at least one section in described a plurality of section, the corresponding selected described section of described X ray diaphragm moving part moves described a plurality of blade of diaphragm.
X ray diaphragm control method of the present invention comprises the following steps: the step of a plurality of sections that the x-ray irradiation area that storage can X-ray irradiation is divided into; Select the step of at least one section in a plurality of sections; And the step that a plurality of blades of diaphragm of X ray diaphragm is moved based on selected described section.
That is, the Region Segmentation of X ray test section is become to a plurality of sections, and the section of each section is started to coordinate and section end coordinate stores in storage part.In the situation that having selected section, the section of reading this section starts coordinate and section end coordinate, calculates the insertion amount of the blade of diaphragm on each limit according to this information, and blade of diaphragm is moved.
Invention effect
According to the present invention, can improve the operability of X ray diaphragm, and reduce the X ray of acceptor to be subject to shine and measure.
Accompanying drawing explanation
Fig. 1 means the integrally-built outside drawing of radiographic apparatus of the present invention.
Fig. 2 means the block diagram of the internal structure of radiographic apparatus of the present invention.
Fig. 3 means the section being divided in embodiments of the invention 1 and the figure of selected section.
Fig. 4 means the figure of the open and-shut mode of the X ray diaphragm in embodiments of the invention 1.
Fig. 5 means the figure of the display format of the display part in embodiments of the invention 1.
Fig. 6 means the flow chart of the action of the embodiment of the present invention 1.
Fig. 7 means the section being divided in embodiments of the invention 2 and the figure of selected section.
Fig. 8 means the figure of the open and-shut mode of the X ray diaphragm in embodiments of the invention 2.
Fig. 9 means the figure of embodiments of the invention 3.
Figure 10 means the figure of embodiments of the invention 4.
The specific embodiment
Below, the present invention will be described to utilize accompanying drawing.
Fig. 1 means the integrally-built outside drawing of radiographic apparatus 1 of the present invention.Pedestal portion 10 is arranged on ground to support the framework of taking platform whole (supporting arm part 20, carriage 30, column sections 50 etc.).Take in inside in this pedestal portion 10: the rotating mechanism that makes supporting arm part 20 carry out the elevating mechanism of lifting and supporting arm part 20 is rotated with respect to pedestal portion 10 with respect to pedestal portion 10.X-axis in Fig. 1 is equivalent to the width of workbench 102, and Y-axis is equivalent to the length direction of workbench 102.
On supporting arm part 20, be provided with the slide mechanism that carriage 30 is slided on the length direction of carriage 30 with respect to supporting arm part 20.Slide mechanism is not shown in the diagram, and it has: motor, the drive sprocket being rotated under the driving of motor, two driven sprockets and with the chain of each sprocket engagement.The both ends of chain are fixed on the fixed part of carriage 30.Rotation by drive sprocket can be sent chain, consequently, can make carriage 30 slide in the longitudinal direction with respect to supporting arm part 20.
On the top of carriage 30, be provided with the workbench 102 of placing acceptor 100.In radiographic apparatus 1, workbench 102 can form as follows, and it can slide in the longitudinal direction freely with respect to carriage 30.
In the inside of carriage 30, be provided with and make column sections 50 at length direction (A direction) and the width (B direction) of workbench 102, go up the X ray generating unit travel mechanism of sliding with respect to carriage 30.X ray generating unit travel mechanism is not shown in the diagram, and it has: the drive sprocket being rotated under the motor of a distolateral setting of the length direction of carriage 30, driving at motor, at the driven sprocket of another distolateral setting of carriage 30 and the chain that connects two sprocket wheels.The basilar part 51 that is fixed with column sections 50 on chain, rotates chain by sprocket wheel, and can make thus basilar part 51 is that column sections 50 is in the upper slip of length direction (A direction).In addition, can utilize the mechanism identical with the X ray generating unit travel mechanism of length direction (A direction) to make also to slide on width (B direction).
In addition, in the inside of the connecting portion 53 of column sections 50, be provided with the rotating mechanism that x-ray bombardment portion 104 is rotated up in C side with respect to connecting portion 53, therefore, can make the length direction of the direction of illumination deflection workbench 102 of X ray.Column sections 50 is extended from basilar part 51 along vertical, and along with extending on the length direction of carriage 30 and this both direction of width near connecting portion 53.Therefore, the standing place that can guarantee operator in the both sides of carriage 30 across x-ray bombardment portion 104, can approach acceptor 100 from head side and these three directions of both sides of acceptor 100.
X ray test section 112 is arranged on the inside of carriage 30.X ray test section 112 forms by configuring a plurality of detecting elements with two-dimensional array shape, is the equipment of X ray signal that detects according to the amount of incident irradiating from x-ray bombardment portion 104 and see through the X ray of acceptor 100.
The X ray test section travel mechanism (not shown) that X ray test section 112 is slided has: slide mechanism, is arranged on the inside of carriage 30, and makes X ray test section 112 in length direction (the D direction: Y direction) upper slip of workbench 102; And slide mechanism, make X ray test section 112 in width (the E direction: X-direction) upper slip of workbench 102.When the urinary organs of acceptor 100 is taken, because acceptor 100 is sitting on the end of workbench 102, thereby can X ray test section 112 be moved to by slide mechanism to the end of the length direction (D direction) of workbench 102.
Fig. 2 is for representing the block diagram of the internal structure of radiographic apparatus 1 of the present invention.
For radiographic apparatus 1 of the present invention, have: workbench 102, place acceptor 100; X-ray bombardment portion 104, to acceptor 100 X-ray irradiations; X ray diaphragm 106, has a plurality of blades of diaphragm, and sets the x-ray irradiation area to acceptor 100; High voltage generating unit 110, carries out electric power supply to x-ray bombardment portion 104; X ray test section 112, be disposed at x-ray bombardment portion 104 position in opposite directions on, and detect seeing through the X ray of acceptor 100; Image processing part 114, to carrying out image processing from the X ray signal of X ray test section 112 outputs; Image storage part 116, storage is from the radioscopic image of image processing part 114 outputs; Display part 118, shows radioscopic image; Control part 120, controls each composed component; And operating portion 122, control part 120 is sent to various instructions.
And radiographic apparatus 1 also has: storage part 130, x-ray irradiation area that can X-ray irradiation is divided into a plurality of sections, and the storage x-ray irradiation area corresponding with each section; With X ray diaphragm moving part 132, based on by x-ray irradiation area corresponding to the selected section of operating portion 122, carry out mobile X ray diaphragm 106.
X ray test section 112, for example with and not array-like be configured for and detect a plurality of detecting elements of X ray and form, be to detect the equipment that irradiates with from x-ray bombardment portion 104 and see through the X ray signal that the amount of incident of X ray of acceptor 100 is corresponding.Particularly, by the detected X ray of X ray test section 112, as electric charge, according to each pixel, be stored in holding capacitor (not shown).Then, the X ray signal based on according to each pixel stored charge is output to image processing part 114.
114 pairs of X ray signals of exporting from X ray test section 112 of image processing part carry out image processing, and the radioscopic image output after image is processed.Image is processed and to be comprised the expansion of gamma transformation, greyscale transform process, image/dwindle etc.
Illustrate embodiment 1 here.First, the roentgen radiation x Region Segmentation that storage part 130 can X-ray irradiation becomes a plurality of sections, and the pre-stored roentgen radiation x region corresponding with each section respectively.In embodiment 1, corresponding with each pixel of x-ray test section 112 1024 * 1024 region is divided into 9 sections.Section " 1 "～section " 9 " is respectively the foursquare section that size is identical.
Particularly, storage part 130 as shown in table 1 belowly respectively the pre-stored section corresponding with section " 1 "～section " 9 " start coordinate and section end coordinate.Section in section " 1 "～section " 9 " starts the on position that coordinate and section end coordinate are equivalent to the blade of diaphragm of X ray diaphragm 106.
Table 1
| Section | Section starts coordinate | Section end coordinate |
| 1 | (0，0) | (341，341) |
| 2 | (342，0) | (683，341) |
| 3 | (684，0) | (1023，341) |
| 4 | (0，342) | (341，683) |
| 5 | (342，342) | (683，683) |
| 6 | (684，342) | (1023，683) |
| 7 | (0，684) | (341，1023) |
| 8 | (342，684) | (683，1023) |
| 9 | (684，684) | (1023，1023) |
For example, the section of section " 5 " starts the coordinate (342,342) that coordinate is the upper left quarter in x-ray irradiation area of section " 5 ".The section end coordinate of section " 5 " is to be positioned at coordinate (683,683) on the diagonal that section starts coordinate, the right lower quadrant in x-ray irradiation area.
Operator selects to be equivalent to want the section of the x-ray irradiation area of X-ray irradiation by operating portion 122.Start coordinate with by section corresponding to the selected section of operating portion 122 and section end coordinate is transferred to control part 120 from storage part 130.
120 pairs of X ray diaphragm moving parts 132 of control part are controlled, and the blade of diaphragm of X ray diaphragm 106 is moved, with to selected section X-ray irradiation.Particularly, the section corresponding with selected section started to coordinate to control part 120 and section end coordinate transfers to X ray diaphragm moving part 132, X ray diaphragm moving part 132 is controlled, made the blade of diaphragm of X ray diaphragm 106 move to the position that section starts coordinate and section end coordinate.
As described later, the blade of diaphragm of X ray diaphragm 106 comprises right blade of diaphragm 300, upper blade of diaphragm 302, left blade of diaphragm 304 and lower blade of diaphragm 306.X ray diaphragm moving part 132 based on by section corresponding to the selected section of operating portion 122, started coordinate and section end coordinate (x-ray irradiation area) right blade of diaphragm 300, upper blade of diaphragm 302, left blade of diaphragm 304 and the lower blade of diaphragm 306 of X ray diaphragm 106 moved.
Be (X1 with starting coordinate by section corresponding to the selected section of operating portion 122, Y1), section end coordinate is (X2, Y2) time, the X coordinate (X1) that section starts coordinate becomes the on position of the left blade of diaphragm 304 of X ray diaphragm 106, and Y coordinate (Y1) becomes the on position of upper blade of diaphragm 302.Similarly, the X coordinate (X2) of section end coordinate becomes the on position of right blade of diaphragm 300, and Y coordinate (Y2) becomes the on position of lower blade of diaphragm 306.
For example, section " 5 " in the situation that, section starts coordinate for (342,342), and section end coordinate is (683,683).The X coordinate (342) that section starts coordinate becomes the on position of the left blade of diaphragm 304 of X ray diaphragm 106, and Y coordinate (342) becomes the on position of upper blade of diaphragm 302.Similarly, the X coordinate (683) of section end coordinate becomes the on position of right blade of diaphragm 300, and Y coordinate (683) becomes the on position of lower blade of diaphragm 306.
Though X ray moving part 132 is not shown, have for making blade of diaphragm 300～306 moves up and down mobile leading screw and for detection of the position detection part of the position of blade of diaphragm 300～306 up and down.X ray moving part 132 detects respectively the position of blade of diaphragm 300～306 up and down by position detection part, and move by mobile leading screw, so that the blade of diaphragm up and down 300～306 of X ray diaphragm 106 is configured in by the determined above-mentioned on position of the section of selecting by operating portion 122.
Utilize Fig. 3～Fig. 5 that embodiment 1 is described here.Fig. 3 represents to be stored in a plurality of sections 200 that are divided in storage part 130 and the section 202 of selecting by operating portion 122.With Fig. 1 in the same manner, the X-axis in Fig. 3 is equivalent to the width of workbench 102, Y-axis is equivalent to the length direction of workbench 102.
Fig. 3 (a) means the figure of be divided into a plurality of sections 200.Fig. 3 (b) means the figure of the state of a section 202 in a plurality of sections 200 of having selected to be divided into.
Be divided into a plurality of section 200 and be read out and be shown in display part 118 by storage part 130.Operator utilizes operating portion 122 at random to select section from be shown in a plurality of sections 200 of display part 118.In Fig. 3 (b), select section " 2 ".Display part 118 emphasize selected section " 2 " section 202 surrounding or section 202 itself is tinted and is shown the situation of having selected section " 2 " so that operator understands.
Fig. 4 mean the right blade of diaphragm 300 of the X ray diaphragm 106 towards the direction of workbench 102 from x-ray bombardment portion 104, on the figure of open and-shut mode of blade of diaphragm 302, left blade of diaphragm 304 and lower blade of diaphragm 306.
Fig. 4 (a) is the figure corresponding with Fig. 3 (a), means the figure of open and-shut mode of the blade of diaphragm up and down 300～306 of the X ray diaphragm 106 under the state of non-selected section.Due to and non-selected section, so blade of diaphragm up and down 300～306th of X ray diaphragm 106, the state of all opening.That is, the blade of diaphragm up and down 300～306th in Fig. 4 (a), does not cover the state of X ray.
Fig. 4 (b) is the figure corresponding with Fig. 3 (b), means the figure of open and-shut mode of the blade of diaphragm up and down 300～306 of the X ray diaphragm 106 while having selected a section.Fig. 4 (b) means the state of the blade of diaphragm up and down 300～306 of the X ray diaphragm 106 while having selected section " 2 ".That is, blade of diaphragm 300～306th up and down, only the state to section " 2 " X-ray irradiation.
The section corresponding with selected section " 2 " started to coordinate to control part 120 and section end coordinate transfers to X ray diaphragm moving part 132, and control, make the blade of diaphragm up and down 300～306 of X ray diaphragm 106 move to the position that section starts coordinate and section end coordinate.
X ray diaphragm moving part 132, starts coordinate by section and section end coordinate replaces with the size of X ray test section 112, and calculates the amount of movement of the blade of diaphragm up and down 300～306 of X ray diaphragm 106.Then, the amount of movement of X ray diaphragm moving part 132 based on calculated moves the blade of diaphragm up and down 300～306 of X ray diaphragm 106.
Particularly, if establish X ray test section 112, be of a size of 30cm * 30cm, X ray diaphragm moving part 132 makes the mobile to the left 10cm of right blade of diaphragm 300, makes left blade of diaphragm 304 mobile 10cm to the right, makes upwards side shifting 20cm of lower blade of diaphragm 306.The direction of arrow of Fig. 4 (b) and length represent moving direction and the amount of movement of blade of diaphragm 300～306 up and down.
Fig. 5 means the figure of the display format of display part 118.Display part 118 is presented at and as shown in Fig. 3 (b), Fig. 4 (b), makes captured radioscopic image 400 under state that X ray diaphragm 106 dwindles.In radioscopic image 400, sometimes also can comprise the position of being covered by lower blade of diaphragm 306.In addition, display part 118 shows be divided into a plurality of sections 200 on the picture identical with radioscopic image 400, and shows selected section 202.
When having selected section " 2 " by operating portion 122, except the radioscopic image 400 of section " 2 ", also shown the radioscopic image 400 of the blade of diaphragm up and down 300～306 of income X ray diaphragm 106.Therefore, image processing part 114 is set by the section that is selected as the section 202 of x-ray irradiation area and is started the rectangle that coordinate and section end coordinate are linked to be.Then, image processing part 114 expands the radioscopic image 400 corresponding with the rectangle setting, and thus, display part 118 can expand the demonstration radioscopic image 400 corresponding with selected section 202.
Then, utilize Fig. 6 to describe the action of embodiment 1.
(S100) first, whether operator selects according to section, X ray diaphragm 106 to be moved by operating portion 122.For example, in the situation that the shooting position of acceptor 100 is the end that urinary organs, acceptor 100 are sitting in workbench 102, X ray test section 112 is moved into the end of the length direction (D direction) of workbench 102.In this case, operator moves X ray diaphragm 106 by operating portion 122 selective basis sections.That is, operator selects to utilize embodiment 1 by operating portion 122 or by manually directly making X ray diaphragm 106 move.
(S101), in the situation that selective basis section moves X ray diaphragm 106, from storage part 130, read and be divided into a plurality of sections.Then, display part 118 shows a plurality of sections 200 of reading from storage part 130.
(S102) operator utilizes operating portion 122 from be shown in a plurality of sections 200 of display part 118, to select to want the section 202 of X-ray irradiation.Display part 118 is emphasized the surrounding of selected section 202 or section 202 itself is tinted and shown.
(S103) control part 120 starts coordinate by the section corresponding with selected section 202 and section end coordinate transfers to X ray diaphragm moving part 132, and control, make the blade of diaphragm up and down 300～306 of X ray diaphragm 106 move to the position that section starts coordinate and section end coordinate.
(S104) position that X ray diaphragm moving part 132 starts coordinate and section end coordinate based on section is moved respectively the blade of diaphragm up and down 300～306 of X ray diaphragm 106.
(S105), non-selected X ray diaphragm 106 is moved according to section in the situation that, operator utilizes operating portion 122 by manually making the blade of diaphragm up and down 300～306 of X ray diaphragm 106 move.At this moment, operating portion 122 makes right blade of diaphragm 300 and left blade of diaphragm 304 equally spaced move apart from X ray test section 112 center simultaneously.And similarly, operating portion 122 makes blade of diaphragm 302 and lower blade of diaphragm 306 equally spaced move apart from X ray test section 112 center simultaneously.
(S106) operator selects whether to expand radioscopic image 400 taken under the state dwindling at the blade of diaphragm up and down 300～306 that makes X ray diaphragm 106 by operating portion 122.
(S107) in the situation that expanding radioscopic image 400, image processing part 114 expands the radioscopic image 400 corresponding with selected section 202 according to the viewing area of display part 122, the radioscopic image 400 that display part 122 shows after expansions.
(S108) in the situation that not expanding radioscopic image 400, display part 122 does not expand radioscopic image 400 ground and shows.
In addition, in the present embodiment, utilization is of a size of the foursquare X ray test section 112 of 30 * 30cm, and 1024 * 1024 the Region Segmentation that each pixel with X ray test section 112 is corresponding becomes nine square sections to be illustrated, but the present invention is not limited to the present embodiment.
For example, also 1024 * 1024 Region Segmentation corresponding to each pixel with X ray test section 112 can be become to four, 16 ... foursquare section.In addition, also the present embodiment can be applied to rectangular X ray test section 112, now, also can be by the section of Region Segmentation rectangularity corresponding to each pixel with X ray test section 112, and suitably select rectangular section.
In addition, storage part 130 also can be stored a plurality of (four, 16 of various sections that are divided into as described above ... square, rectangle, polygon etc.) template, operator can at random select various template by operating portion 122.
As mentioned above, according to the present embodiment, only by selecting section arbitrarily to control the blade of diaphragm up and down 300～306 of X ray diaphragm 106, therefore can improve the operability of X ray diaphragm 106.In addition, can to X ray diaphragm 106, operate accordingly with the shooting position of acceptor 100, therefore can reduce the X ray of acceptor 100 is subject to according to amount.
Utilize Fig. 1～Fig. 8 to describe embodiment 2 here.Be to have selected a plurality of sections with the difference of embodiment 1.
In embodiment 2, operator selects to be equivalent to want a plurality of sections of the x-ray irradiation area of X-ray irradiation by operating portion 122.Start coordinate with by section corresponding to the selected a plurality of sections of operating portion 122 and section end coordinate is transferred to control part 120 from storage part 130.
120 pairs of X ray diaphragm moving parts 132 of control part are controlled, and the blade of diaphragm of X ray diaphragm 106 is moved, with to selected a plurality of section X-ray irradiations.Particularly, the section corresponding with selected section started to coordinate to control part 120 and section end coordinate transfers to X ray diaphragm moving part 132, and control, make the blade of diaphragm of X ray diaphragm 106 move to the position that section starts coordinate and section end coordinate.
Fig. 7 (a) means the figure of the state of two sections " 1 " in a plurality of sections 200 of having selected to be divided into, " 2 ".Fig. 8 (a) is the figure corresponding with Fig. 7 (a), means the figure of open and-shut mode of the diaphragm up and down 300～306 of the X ray diaphragm 106 while having selected two sections " 1 ", " 2 ".
X ray diaphragm moving part 132 based on by section corresponding to selected two sections of operating portion 122 " 1 ", " 2 ", start the blade of diaphragm up and down 300～306 that coordinate and section end coordinate (x-ray irradiation area) are carried out mobile X ray diaphragm 106.
Particularly, according to above-mentioned table 1, it is that (0,0), section end coordinate are (683,341) that the section of section " 1 ", " 2 " starts coordinate.The X coordinate (0) that section starts coordinate becomes the on position of the left blade of diaphragm 304 of X ray diaphragm 106, and Y coordinate (0) becomes the on position of upper blade of diaphragm 302.Similarly, the X coordinate (683) of section end coordinate becomes the on position of right blade of diaphragm 300, and Y coordinate (341) becomes the on position of lower blade of diaphragm 306.
The section corresponding with selected section " 1 ", " 2 " started to coordinate to control part 120 and section end coordinate transfers to X ray diaphragm moving part 132, and control, make the blade of diaphragm of X ray diaphragm 106 move to the position that section starts coordinate and section end coordinate.
Fig. 7 (b) means the figure of the state of three sections " 2 " in a plurality of sections 200 of having selected to be divided into, " 4 ", " 5 ".Fig. 8 (b) is the figure corresponding with Fig. 7 (b), means the figure of open and-shut mode of the diaphragm up and down 300～306 of the X ray diaphragm 106 while having selected three sections " 2 ", " 4 ", " 5 ".
X ray diaphragm moving part 132 based on by section corresponding to selected three sections of operating portion 122 " 2 ", " 4 ", " 5 ", start the blade of diaphragm up and down 300～306 that coordinate and section end coordinate (x-ray irradiation area) are carried out mobile X ray diaphragm 106.
Particularly, control part 120, according to above-mentioned table 1, the rectangular area based on covering section " 2 ", " 4 ", " 5 " calculates section and starts coordinate and section end coordinate.Particularly, extract the coordinate (0 of X coordinate/Y coordinate minimum that section starts in coordinate and section end coordinate, section starts coordinate of three sections, 0), and extract section end coordinate X coordinate/Y coordinate maximum coordinate (683,683) and set.Thus, the X coordinate (0) that section starts coordinate becomes the on position of the left blade of diaphragm 304 of X ray diaphragm 106, and Y coordinate (0) becomes the on position of upper blade of diaphragm 302.Similarly, the X coordinate (683) of section end coordinate becomes the on position of right blade of diaphragm 300, and Y coordinate (683) becomes the on position of lower blade of diaphragm 306.
The section corresponding with selected section " 2 ", " 4 ", " 5 " started to coordinate to control part 120 and section end coordinate transfers to X ray diaphragm moving part 132, and control, make the blade of diaphragm of X ray diaphragm 106 move to the position that section starts coordinate and section end coordinate.
Section is started to coordinate to X ray diaphragm moving part 132 and section end coordinate is transformed to the size of X ray test section 112, and calculate the amount of movement of the blade of diaphragm up and down 300～306 of X ray diaphragm 106.Then, the amount of movement of X ray diaphragm moving part 132 based on calculated moves the blade of diaphragm up and down 300～306 of X ray diaphragm 106.
About the action of embodiment 2, substantially the same manner as Example 1, thereby description thereof is omitted.
As mentioned above, according to the present embodiment, only, by selecting a plurality of sections arbitrarily to control the blade of diaphragm up and down 300～306 of X ray diaphragm 106, therefore can improve the operability of X ray diaphragm 106.In addition, can to X ray diaphragm 106, operate accordingly with the shooting position of acceptor 100, therefore can reduce the X ray of acceptor 100 is subject to according to amount.
Utilize Fig. 1～Fig. 9 to describe embodiment 3 here.Be with the difference of embodiment 1, embodiment 2: be divided into section 200 is read from storage part 130 in the position of control part 120 based on X ray test section 112, and select suitable section.
Particularly, as shown in Fig. 9 (a), in the situation that X ray test section 112 moves to the upper end of workbench 102, control part 120 is read be divided into section 200 from storage part 130.Due to section " 1 ", " 2 ", " 3 " upper end in the face of workbench 102, thereby control part 120 is selected a series of sections " 1 ", " 2 ", " 3 " corresponding with the upper end of workbench 102.As shown in Fig. 9 (b), in the situation that X ray test section 112 moves to the bottom of workbench 102, control part 120 is read be divided into section 200 from storage part 130.Due to section " 7 ", " 8 ", " 9 " bottom in the face of workbench 102, thereby control part 120 is selected a series of sections " 7 ", " 8 ", " 9 " corresponding with the bottom of workbench 102.
In addition, in the present embodiment, although only mentioned in the upper and lower end parts of workbench 102 and read section 200 and select the situation of suitable section 220, for the left and right end portions of workbench 102, also can similarly implement.
In addition, as shown in Fig. 9 (a), Fig. 9 (b), the housing that represents workbench 102 can be shown together be divided into section 200 and selected section 220.Therefore, operator can hold X ray test section 112 and where is disposed at respect to workbench 102.
About the action of embodiment 3, due to (S101) of the action from embodiment 1 and (S102) different, therefore explanation (S101) and (S102).
(S101) position based on X ray test section 112 (end of workbench 102), reads and is divided into a plurality of section 200 from storage part 130.Display part 118 shows a plurality of sections 200 of reading from storage part 130.
(S102) control part 120 is selected a series of sections 202 corresponding with the end of workbench 102 from be shown in a plurality of sections 200 of display part 118.Display part 118 is emphasized the surrounding of selected section 202 or is emphasized section 202 itself and show.
In addition,, if operator for example selects by operating portion 122 screening-mode that the urinary organs of acceptor 100 is taken, control part 120 makes X ray test section 112 automatically move to the end of workbench 102.In the present embodiment, control part 120 can be read be divided into section 200 in the position (end of workbench 102) based on X ray test section 112 from storage part 130, and selects suitable section 220.That is,, according to the present embodiment, also can from storage part 130, read be divided into section 200 according to the selected screening-mode of operator, and select suitable section 220.
As mentioned above, according to the present embodiment, can position, screening-mode based on X ray test section 112 blade of diaphragm up and down 300～306 of X ray diaphragm 106 be controlled, therefore can improve the operability of X ray diaphragm 106.
Utilize Fig. 1～Figure 10 to describe embodiment 4 here.Be with the difference of embodiment 1～3: storage part 130 storages are divided into rectangular section.
In the situation that X ray test section 112 is moved into the end of the length direction of workbench 102, as shown in Figure 10 (a), control part 120 is read and is compared with the width of workbench 102 in the longitudinal direction by thinner narrow the section of cutting apart from storage part 130.In the situation that X ray test section 112 is moved into the end of the width of workbench 102, as shown in Figure 10 (b), control part 120 is read and is compared with the length direction of workbench 102 on width by thinner narrow the section 210 of cutting apart from storage part 130.That is, from storage part 130, read out in the direction with the end quadrature of workbench 102 by thin narrow the section 210 of cutting apart.
About the action of embodiment 4, because (S101) of the action from embodiment 1 is different, therefore only explanation (S101).
(S101) position based on X ray test section 112 (end of workbench 102), reads out in the direction with the end quadrature of workbench 102 by thin narrow the section 210 of cutting apart from storage part 130.Display part 118 shows a plurality of sections 210 of reading from storage part 130.
As mentioned above, according to the present embodiment, storage part 130 can, based on being divided into rectangular section and according to the position of X ray test section 112, the blade of diaphragm up and down 300～306 of X ray diaphragm 106 being controlled, therefore can improve the operability of X ray diaphragm 106.
In addition, although embodiments of the invention 1～embodiment 4 has been described respectively, can combine in the present invention embodiment 1～embodiment 4 and suitably enforcement.
Description of reference numerals
100 acceptors
102 workbench
104 x-ray bombardment portions
106 X ray diaphragms
110 high voltage generating units
112 X ray test sections
114 image processing parts
116 image storage parts
118 display parts
120 control parts
122 operating portions
130 storage parts
Claims (11)
1. a radiographic apparatus, it comprises: to the x-ray bombardment portion of acceptor X-ray irradiation, have X ray diaphragm for covering a plurality of blades of diaphragm of described X ray, make X ray diaphragm moving part that described a plurality of blade of diaphragm moves, configure in opposite directions and detect the X ray test section of the X ray that sees through described acceptor and the display part that shows the radioscopic image based on by the detected X ray signal of described X ray test section with described x-ray bombardment portion
It is characterized in that,
Described radiographic apparatus also comprises:
Storage part, a plurality of sections that storage is divided into the x-ray irradiation area of illuminated X ray; And selection portion, select at least one section in described a plurality of section;
The corresponding selected described section of described X ray diaphragm moving part moves described a plurality of blade of diaphragm,
The section of pre-stored the be divided into section of described storage part starts coordinate and section end coordinate,
Described radiographic apparatus also comprises control part, and the described section corresponding with selected described section started to coordinate to this control part and described section end coordinate is transferred to described X ray diaphragm moving part;
Described control part is controlled described X ray diaphragm moving part, makes described a plurality of blade of diaphragm move to the position that described section starts coordinate and described section end coordinate.
2. radiographic apparatus as claimed in claim 1, wherein,
Described section is started to coordinate to described X ray diaphragm moving part and described section end coordinate replaces with the size of described X ray test section, and calculate the amount of movement of described a plurality of blades of diaphragm.
3. radiographic apparatus as claimed in claim 1, wherein,
Described radiographic apparatus also comprises image processing part, and this image processing part expands with described section by selected described section and starts the radioscopic image that rectangle that coordinate and described section end coordinate be linked to be is corresponding.
4. radiographic apparatus as claimed in claim 1, wherein,
Described display part shows described a plurality of sections and the selected described section being divided into.
5. radiographic apparatus as claimed in claim 4, wherein,
Described display part emphasizes to show selected described section.
6. radiographic apparatus as claimed in claim 1, wherein,
A plurality of templates that are divided into various sections of described storage portion stores.
7. radiographic apparatus as claimed in claim 1, wherein,
While having selected a plurality of section by described selection portion, the rectangular area of described control part based on covering described a plurality of sections calculates described section and starts coordinate and described section end coordinate.
8. radiographic apparatus as claimed in claim 1, wherein,
In the situation that described X ray test section is moved into the end of the workbench of the described acceptor of mounting, from described storage part, read be divided into described section, described selection portion is selected a series of sections corresponding with the end of described workbench.
9. radiographic apparatus as claimed in claim 1, wherein,
Described radiographic apparatus also comprises the operating portion of selecting screening-mode, based on selected described screening-mode, from described storage part, reads be divided into described section, and described selection portion is selected described section.
10. radiographic apparatus as claimed in claim 1, wherein,
In the situation that described X ray test section is moved into the end of workbench of the described acceptor of mounting, from described storage part, read out in the direction with the end quadrature of described workbench by thin narrow the section of cutting apart.
11. 1 kinds of X ray diaphragm control methods, is characterized in that, comprise the following steps:
A plurality of sections of being divided into of x-ray irradiation area that storage can X-ray irradiation the section of pre-stored be divided into section start the step of coordinate and section end coordinate;
Select the step of at least one section in described a plurality of section; And
Described section based on corresponding with selected described section starts coordinate and described section end coordinate makes a plurality of blades of diaphragm of X ray diaphragm move to the step that described section starts the position of coordinate and described section end coordinate.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-106198 | 2009-04-24 | ||
| JP2009106198 | 2009-04-24 | ||
| PCT/JP2010/056552 WO2010122917A1 (en) | 2009-04-24 | 2010-04-13 | X-ray diagnostic device and method for controlling x-ray diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102413764A CN102413764A (en) | 2012-04-11 |
| CN102413764B true CN102413764B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201080017689.9A Expired - Fee Related CN102413764B (en) | 2009-04-24 | 2010-04-13 | X-ray diagnostic device and method for controlling x-ray diaphragm |
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| Country | Link |
|---|---|
| JP (1) | JP5666430B2 (en) |
| CN (1) | CN102413764B (en) |
| WO (1) | WO2010122917A1 (en) |
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| FR2993447B1 (en) * | 2012-07-17 | 2014-07-11 | Gen Electric | METHOD AND SYSTEM FOR PROCESSING IMAGES FOR 3D DISPLAY OF AN ORGAN OF A PATIENT |
| JP2014054425A (en) * | 2012-09-13 | 2014-03-27 | Toshiba Corp | X-ray diagnostic apparatus |
| JP6292931B2 (en) * | 2014-03-07 | 2018-03-14 | 株式会社日立製作所 | X-ray imaging apparatus and method for adjusting movement and aperture of X-ray imaging unit |
| CN104490411A (en) * | 2014-12-21 | 2015-04-08 | 李景英 | Imaging diagnosis device |
| CN104983437A (en) * | 2015-07-09 | 2015-10-21 | 冯艳 | Radiological shooting system |
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- 2010-04-13 JP JP2011510287A patent/JP5666430B2/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2010122917A1 (en) | 2012-10-25 |
| WO2010122917A1 (en) | 2010-10-28 |
| CN102413764A (en) | 2012-04-11 |
| JP5666430B2 (en) | 2015-02-12 |
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