CN110192891A - X-ray imaging equipment and its localization method - Google Patents
X-ray imaging equipment and its localization method Download PDFInfo
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- CN110192891A CN110192891A CN201810157290.9A CN201810157290A CN110192891A CN 110192891 A CN110192891 A CN 110192891A CN 201810157290 A CN201810157290 A CN 201810157290A CN 110192891 A CN110192891 A CN 110192891A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000004807 localization Effects 0.000 title claims abstract description 25
- 238000010586 diagram Methods 0.000 claims description 28
- 230000008520 organization Effects 0.000 claims description 10
- 230000005855 radiation Effects 0.000 abstract description 9
- 210000000988 bone and bone Anatomy 0.000 description 6
- 238000003331 infrared imaging Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000002318 cardia Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4476—Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit
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Abstract
The invention discloses a kind of x-ray imaging equipment and its localization method, the x-ray imaging equipment includes: the x-ray source for emitting X-ray；It is oppositely arranged with the x-ray source, the X-ray detector for receiving X-ray；For acquiring the infrared image acquisition device of infrared image, the image of the infrared image acquisition device acquisition includes that human body contour outline, Human Height, body be wide, the thick information of body；Image for being acquired according to infrared image acquisition device determines the image processor of target position, and the target position is the position of body structures；And for driving the x-ray source and/or X-ray detector to be moved to the driver of camera site corresponding with the target position according to the target position.The localization method is completed based on the x-ray imaging equipment.The present invention can utmostly avoid patient and operation doctor from injuring by extra X-ray radiation, also facilitate the operation of doctor, improve the efficiency of x-ray imaging.
Description
Technical field
The present invention relates to medical imaging field more particularly to a kind of x-ray imaging equipment with target positioning function and
Its localization method.
Background technique
During patient is imaged using x-ray imaging equipment, doctor is mobile by x-ray source and detector
Shooting imaging is carried out after nearby to target position.If doctor is in carrying out spinal surgical procedure, X-ray C arm machine can be passed through
Auxiliary positioning is carried out, the relevant spinal segments of operation are found.In this process in order to accurately find target position, need not
The position of disconnected adjustment X-ray C arm machine, and cooperate lifting moving, back-and-forth motion, the track moving in rotation, ring rotation of C-shaped bracket
Mobile, constantly perspective confirmation can just make targeted level (spinal segments) be located at the middle position of imaging region in this way.The above process
Middle patient and doctor inevitably will be by unnecessary radiation, and therefore operating time also extends.
Fig. 1 is existing X-ray C arm machine schematic diagram.As shown in Figure 1, patient 2 lies on bed board 3 during above-mentioned, institute
Stating X-ray C arm machine 100 includes: main body 5, display 6, wheel 7, C-shaped bracket 8 and is connected to 8 both ends of C-shaped bracket
X-ray source 1 and detector 4, during imaging, the C-shaped bracket 8 can be relative to patient's lifting moving (along the Y direction
It is mobile), move left and right and (move along the X direction), track moving in rotation (being moved along the direction AB), ring rotation it is mobile (with X-axis
It is rotated for rotary shaft).
Fig. 2 is existing X-ray C arm machine target position positioning flow schematic diagram；Fig. 3 is existing X-ray C arm machine target position
Target position schematic diagram in positioning flow.As shown in Fig. 2, including: S10 when being imaged by X-ray C arm machine, X is adjusted
The pendulum position of ray C arm machine and/or C-shaped bracket, this process first put position to general position generally by the experience of operation doctor
It sets；S11 treats imaging position and is had an X-rayed, in this process because not being to be accurately positioned, the figure obtained after perspective
There is deviation in the target position that picture and operation doctor go for, and doctor as shown in Figure 3 wants the image of L3, L4 sections of spinal bone,
And vertebrae of the perspective at L1, L2 sections when having an X-rayed for the first time；S12, judges whether fluoroscopy images meet clinical demand, faces if meeting
Bed demand, then complete pendulum position, if being unsatisfactory for clinical demand, first time have an X-rayed on the basis of, operation doctor according to oneself
Experience adjusts the pendulum position of X-ray C arm machine and/or C-shaped bracket again, and is had an X-rayed again, until the image satisfaction of perspective is faced
Bed demand, in the example in figure 3, so that meet clinical demand, it has carried out accurately finding L3, L4 sections after four perspectives
Spinal bone.
Therefore, in the prior art, in order to accurately find target position, multiple exposure and multiple position tune are needed
Section is likely to enough accurately find target position.And in this process, not only patient and doctor by not should not X-ray spoke
It penetrates, and goes back the efficiency that image is entirely imaged.
Patent document CN204698593U, publication date 2015.10.14, disclose a kind of medical X-ray it is self-positioning and imaging
System, it includes computer, and the computer is connected with image processor, central server and X-ray machine；Described
Central server is connected with Cloud Server, and the X-ray machine includes controller, and the controller is connected with mechanical drive
Dynamic device, the mechanical actuation device are connected with X-ray production apparatus, and the X-ray production apparatus is provided with pyroscan, X-ray
Machine is connected with image intensifier, and the image intensifier is provided with optical lens, and image intensifier is connected with flat panel detector,
The flat panel detector is provided with temperature inductor；The utility model is to have the advantages that the doctor of intelligence, systematization, automation
With X-ray is self-positioning and imaging system.
However, the x-ray imaging equipment of the above patent disclosure is positioned to patient's approximate location, it still cannot be accurate
Positioning cannot effectively reduce patient and doctor are subject in such as spinal surgical procedure radiation and improve imaging efficiency, use
There is also inconveniences in journey, and adjusting can not be made according to different operation demand.Patient can be reduced to greatest extent by lacking at present
The radiation that is subject to doctor, accurate reliable positioning, it is high-efficient, conveniently, suitable for clinical application x-ray imaging equipment and
Localization method.
Summary of the invention
The purpose of the present invention is for the defects in the prior art, provide it is a kind of can reduce to greatest extent patient and doctor by
Radiation, the accurate reliable positioning, high-efficient, easy to use, suitable for clinical application x-ray imaging equipment arrived.
The another purpose of the present invention is to provide a kind of localization method of x-ray imaging equipment.
To realize above-mentioned first purpose, the technical scheme adopted by the invention is as follows:
A kind of x-ray imaging equipment, comprising: for emitting the x-ray source of X-ray；Be oppositely arranged with the x-ray source,
For receiving the X-ray detector of X-ray；For acquiring the infrared image acquisition device of infrared image；For according to infrared image
The image of collector acquisition determines the image processor of target position, and the image of the infrared image acquisition device acquisition includes people
Body profile, Human Height, body are wide, the thick information of body, and the target position is the position of body structures；And for according to institute
Stating target position drives the x-ray source and/or X-ray detector to be moved to camera site corresponding with the target position
Driver.
As another preference, the Image Acquisition direction of the infrared image acquisition device and the roentgenogram of the x-ray source
It is consistent to penetrate direction.
As another preference, the infrared image acquisition device includes that the first infrared image positioned at x-ray source one end is adopted
Collect unit and the second infrared image acquisition unit positioned at X-ray detector one end.
As another preference, the x-ray imaging equipment further include: arc bracket, the x-ray source and the X are penetrated
Line detector is located at the both ends of the arc bracket.
As another preference, the x-ray imaging equipment further include: sliding rail；It is moved along the sliding rail telescopic
Bracket；The x-ray source is fixed on the jack column；Column；The X-ray detector is movably connected to described vertical
Column.
To realize above-mentioned second purpose, the technical scheme adopted by the invention is as follows:
A kind of localization method of x-ray imaging equipment, comprising:
Acquire the infrared image of patient, the infrared image of the patient includes that Human Height, body be wide, the thick information of body；
Target position is determined according to infrared image, comprising: human body contour outline is extracted according to infrared image, according to infrared image
Human Height, body are wide, the thick information of body and the human body contour outline calculate the position of body structures；
Driving x-ray source and/or X-ray detector are moved to camera site corresponding with the target position.
As another preference, by the data in the human body contour outline matching database；Target is determined according to matching result
Position.
It is described that target position is determined according to infrared image as another preference further include: according to IR image enhancement people
Body structural schematic diagram；Receive target information；Target position is determined in the organization of human body schematic diagram according to target information.
As another preference, the x-ray imaging equipment used is as described above；The positioning side of the x-ray imaging equipment
Method further include: acquisition rack imaging position information first；The infrared of acquisition image is determined according to the rack imaging position information
Image acquisition device；According to the infrared image of determining infrared image acquisition device acquisition patient.
As another preference, the localization method of the x-ray imaging equipment further includes verifying shooting step: working as X-ray
After source and/or X-ray detector are moved to camera site corresponding with the target position, carried out again with infrared image acquisition device
Image Acquisition, and it is sent to image processor, it is verified by image processor according to infrared image, it is suitable to judge whether
X-ray exposure is carried out on present position.
Compared with prior art, the invention has the advantages that:
1, x-ray imaging equipment according to the present invention and its localization method can be adopted by harmless infrared image
Storage carries out infrared image acquisition, and target position is determined according to the infrared image, and the infrared image contains people
Body profile, Human Height, body are wide, the thick information of body, and then can calculate the position of body structures, without using X-ray
Target position can be accurately searched out under the premise of being exposed, and reduced spinal operation etc. to the maximum extent and performed the operation
The radiation that patient and doctor are subject in journey；
2, localization method of the invention, also by the data progress in the human body contour outline information and date library of infrared image
Match, target position is then determined according to matching result, is based on big data, significantly improves the accuracy of positioning；
3, localization method of the invention generates organization of human body schematic diagram, doctor can be in human body after obtaining infrared image
Area-of-interest is clicked in structural schematic diagram, is quickly positioned；This theory is completely new；
4, x-ray imaging equipment of the invention may include multiple infrared image acquisition units, can be according to needing to select in art
Suitable infrared image acquisition device acquires image, and to obtaining, accurate believable infrared imaging is advantageous, has been obviously improved practicability, has solved
Ignored infrared imaging precision problem is easy in clinic of having determined；
5, localization method of the invention, determine target position and x-ray source and/or X-ray detector be moved to
Behind the corresponding camera site in the target position, also further acquisition infrared image is verified again, improves positioning again
Accuracy；
6, x-ray imaging equipment of the invention is being avoided that patient and is operating what doctor injured by extra X-ray radiation
X-ray source can also be automatically controlled simultaneously and X-ray detector is moved to the corresponding camera site in target position, facilitate operation
The operation of doctor improves the efficiency of x-ray imaging.
To sum up, the present invention solves the problems, such as that many of the prior art are easy ignored and details, provides a kind of practical
Property strong x-ray imaging equipment and localization method, change clinical x-ray and status be imaged.
Detailed description of the invention
Fig. 1 is existing X-ray C arm machine schematic diagram；
Fig. 2 is existing X-ray C arm machine target position positioning flow schematic diagram；
Fig. 3 is the target position schematic diagram in the positioning flow of existing X-ray C arm machine target position；
Fig. 4 is the X-ray C arm machine structural schematic diagram of the embodiment of the present invention 1；
Fig. 5 is the Image Acquisition schematic diagram of the infrared image acquisition device of the embodiment of the present invention 1；
Fig. 6 is another X-ray C arm machine structural schematic diagram of the embodiment of the present invention 1；
Fig. 7 is target position schematic diagram in the infrared image of the embodiment of the present invention 1；
Fig. 8 is the X-ray C arm machine target position localization method flow diagram of the embodiment of the present invention 1；
Fig. 9 is the schematic diagram of the column x-ray imaging equipment of the embodiment of the present invention 2.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Detail is elaborated in the following description to fully understand the present invention.But
It is that the present invention can be implemented with a variety of different from other way described herein, those skilled in the art can be without prejudice to originally
Similar popularization is done in the case where invention intension.Therefore the present invention is not limited by following public specific embodiment.
Embodiment 1
In order to solve the problems in the prior art, in the present embodiment, x-ray imaging equipment according to the present invention, comprising: use
In the x-ray source of transmitting X-ray；It is oppositely arranged with the x-ray source, the X-ray detector for receiving X-ray；For adopting
Collect the infrared image acquisition device of infrared image；Image for being acquired according to infrared image acquisition device determines the image of target position
Processor；And for driving the x-ray source and/or X-ray detector to be moved to target position pair according to the target position
The driver for the camera site answered.
By taking the x-ray imaging equipment is X-ray C arm machine as an example, Fig. 4 is the X-ray C arm machine knot of the embodiment of the present invention 1
Structure schematic diagram.As shown in figure 4, according in the X-ray C arm machine 200 of the present embodiment, the x-ray source 11 and the X-ray detection
Device 12 is connected to the both ends of C-shaped bracket 18 and is oppositely arranged, and the X-ray C arm machine 200 further includes for curing to operation
Teacher provide the display 16 of human-computer interaction, host 10 and positioned at it is described host 10 lower section, driving that X-ray C arm machine can be made mobile
Idler wheel 17.Described image processor (not shown) can be located in host 10, and the host 10 (is not schemed except described image processor
Show) it in addition further include the post-processing work station post-processed to the radioscopic image that X-ray detector 12 acquires, it can be to driving
The battery etc. of the offer power supply of idler wheel 17.The C-shaped bracket 18 is connected to main body 10 by driver (not shown).
In the X-ray C arm machine 200 of the present embodiment, patient 20 is lain on bed board 30, according to the imaging position of patient 20, is needed
The position of x-ray source 11 and X-ray detector 12 is adjusted accordingly.The position of x-ray source 11 and X-ray detector 12 is mobile
Mainly realized by mobile C-shaped bracket 18.The driver drives the C-shaped bracket 18 that can go up and down relative to patient 20 and moves
Dynamic (moving along the Y direction), move left and right and (move along the X direction), track moving in rotation (moves, i.e. C-shaped branch along the direction AB
Frame is moved by rotary shaft of Z axis) and ring rotation movement (C-shaped bracket is rotated by rotary shaft of X-axis).In order to
It is moved on the multiple direction, the driver may include driving motor and transmission mechanism in multiple directions, specifically
Transmission mechanism is it is not limited here.
In the present embodiment, the irradiation in the Image Acquisition direction of the infrared image acquisition device 13 and the x-ray source 11
Direction is consistent.As shown in figure 4, the infrared image acquisition device 13 can be located near x-ray source 11, specifically can be set in X
The outer side of shell of radiographic source 11 also can be set in the position with x-ray source 11 with certain distance.The infrared image acquisition
The Image Acquisition direction of device 13 is consistent with the direction of illumination of x-ray source 11 advantageous to the calculating process for simplifying target position.
Fig. 5 is the Image Acquisition schematic diagram of the infrared image acquisition device of the embodiment of the present invention 1.With upper movement in the horizontal direction
X-ray source 11 is located at target position 23 for the center of 11 beam of x-ray source, as shown in figure 5, in infrared image
When the acquisition direction of collector 13 is identical as the direction of illumination of x-ray source 11, infrared image acquisition device 13 and x-ray source 11 are opposite
Position a is it is known that (according to infrared image acquisition device known to horizontal distance c between infrared image acquisition device 13 and target position 23
The image of acquisition can be analyzed and be obtained), be thus easy to calculate between x-ray source 11 and target position 23 move horizontally away from
From b.
Infrared image acquisition device 13 can be located at the outer wall of 11 shell of x-ray source in the embodiment, in other implementations
In example, the infrared image acquisition device 13 can also be accommodated in 11 shell of x-ray source.In general, infrared image acquisition
The volume of device 13 is less than x-ray source 11, is accommodated in the embodiment in 11 shell of x-ray source in infrared image acquisition device 13
In, infrared image acquisition device 13 is accommodated in 11 shell of x-ray source under normal condition, and the infrared image when needing to be imaged
Collector 13 extend out to outside the shell of x-ray source 11 and carries out infrared image acquisition.The appearance that above structure is conducive to complete machine is whole
Protection clean and to infrared image acquisition device 13.
Further, in an embodiment of the present invention, the infrared image acquisition device 13 may be disposed at X-ray detector 12
One end.For certain imaging positions, the X-ray detector 12 is located above hospital bed, and x-ray source 11 is located under hospital bed
Side, in this case, the infrared image acquisition device 13 is located at 12 one end of X-ray detector, to the advantageous (nothing of infrared imaging
The blocking of hospital bed, thermal energy induction are sharper).
Fig. 6 is another X-ray C arm machine structural schematic diagram of the embodiment of the present invention 1.More preferably, the infrared image acquisition
Device 13 may include positioned at the first infrared image acquisition unit 13a of 11 one end of x-ray source and positioned at 12 one end of X-ray detector
Second infrared image acquisition unit 13b, system can choose the first infrared image acquisition unit 13a or according to camera site
Two infrared image acquisition unit 13b carry out Image Acquisition.If being located at 12 one end of X-ray detector according to imaging commands judgement
Second infrared image acquisition unit 13b is more advantageous to progress infrared imaging, and (X-ray detector 12 is located above hospital bed, x-ray source
11 are located at below hospital bed), then infrared imaging is carried out using the second infrared image acquisition unit 13b.Certainly in other embodiments,
Image Acquisition can also be carried out using two infrared image acquisition devices simultaneously, and judge which infrared image acquisition device is collected red
Outer image is more advantageous to the positioning of target position, positions target position (such as root to be more conducive to the infrared image of target position positioning
According to the contrast etc. of infrared image, sharper infrared image is incuded as the infrared image of positioning target position using thermal energy).
Fig. 7 is target position schematic diagram in the infrared image of the embodiment of the present invention 1；Fig. 8 is that the X of the embodiment of the present invention 1 is penetrated
Line C arm machine target position localization method flow diagram.As shown in Figure 7, Figure 8, it is rule of thumb substantially put in operation doctor
After position, the positioning of X-ray C arm machine target position includes: S20, obtains the infrared image of patient, first passes through infrared image acquisition device
13 couples of patients are imaged, as left-side images are to pass through the collected infrared image of infrared image acquisition device 13, common people in Fig. 7
The body temperature of body can be higher than environment temperature, and infrared image acquisition device 13 can acquire out the heat radiation of human-body emitting, therefore acquire
To infrared image in it is distinguishable go out human body parts and environment division, and determine with this location information of patient；S21, described
Target position is determined in infrared image, the position of bone and internal organs is generally more similar between the human body of identical physique, therefore root
According to the Human Height body of collected infrared image is wide or the information such as body is thick can calculate the position of body structures, such as scheme
Image right in 7 is the schematic diagram of determining L3, L4 sections of the spinal bone on patient position information, is determining trouble as shown in Figure 7
After the location information of person, so that it may calculate L3, L4 in patient body section according to the bodily form information of patient and (be located at 21 in figure
For imaging region) spinal bone position；S22 drives the position of x-ray source and/or detector according to the position of target position, will
The x-ray source 11 and X-ray detector 12 are moved to target area corresponding position, and the position of target area is determined by S21,
And after the relative position of known x-ray source 11 and X-ray detector 12 with respect to infrared image acquisition device 13, it can calculate
The positional relationship of x-ray source 11 and X-ray detector 12 and target position, therefore the x-ray source and X-ray detection can be driven
Device is moved to target area corresponding position；S23 has an X-rayed the target position, i.e., in X corresponding with the target area
It is shot on the position of radiographic source 11 and X-ray detector 12.It should also be noted that, in the localization method, step S21
It is middle to determine that target position includes: to extract human body contour outline according to infrared image according to infrared image, target is determined according to the profile
Position.Namely when determining target position not only will and height wide by the body of people, but also more accurately to draw human body
Profile calculates target position further according to the information of human body contour outline, the determination of target position can be made more accurate.
Further, in the localization method, determine that target position includes according to the human body contour outline according to the profile
With the data in database；Target position is determined according to matching result.As store a large amount of different heights, difference in database
Body is wide, the organization of human body data under the conditions of not androgynous thickness, all ages and classes, different sexes etc., after determining human body contour outline again
The immediate matched data of the information searchings such as age, gender with patient assists determining with the organization of human body of the matched data
Target position.
Further, the database can be big data database, to ever-increasing different patients in the database
Information arranged and learnt, calculate most suitable people after the profile information and the information such as age-sex for inputting a patient
Body structured data, the positioning of auxiliary mark position.The database can also be patient cases' archive database, due to patient it
Before did X-ray examination or CT examination or the data of magnetic resonance examination and can be stored in case file data corresponding with the patient
In library, therefore can be according to the data with the positioning of auxiliary mark position.
Further, described to determine that target position includes: to illustrate according to IR image enhancement organization of human body according to infrared image
Figure；Receive target information；Target position is determined in the organization of human body schematic diagram according to target information.The wherein target letter
Breath is the area-of-interest for operating doctor and selecting in the organization of human body schematic diagram according to IR image enhancement, for example, when operation
The area-of-interest of doctor's selection clicks cardia in the organization of human body schematic diagram when being heart.
In above-mentioned steps, further includes: acquisition rack imaging position information first；According to the rack imaging position information
Determine the infrared image acquisition device of acquisition image；According to the infrared image of determining infrared image acquisition device acquisition patient.
In above-mentioned steps, verifying shooting step can further include, namely complete S22 for the x-ray source
11 and after X-ray detector 12 is moved to target area corresponding position, then carry out an image with infrared image acquisition device 13 and adopt
Collection, and it is sent to image processor, it is verified by the infrared image that image processor is sent according to second, judges whether to close
It fits and carries out X-ray exposure on present position, because infrared image acquisition is different from x-ray image acquisition, to patient and operation
Doctor will not generate injury, therefore can carry out multiple infrared imaging, guarantee that the position before exposure is optimum position.
Embodiment 2
Fig. 9 is the schematic diagram of the column x-ray imaging equipment of the embodiment of the present invention 2.According to the X-ray of the present embodiment at
As equipment 400, comprising: sliding rail 46；The jack column 44 moved along the sliding rail 46；X-ray source 41 is fixed on described stretch
Contracting formula bracket 44；Column 45；X-ray detector 42 is movably connected to the column 45.It is described in the present embodiment infrared
Image acquisition device 43 is located at the bottom of 41 shell of x-ray source.
When imaging, doctor is rule of thumb rough that patient is made to carry out pendulum position for operation, obtains the infrared image of patient, first passes through
Patient is imaged in infrared image acquisition device 43, after being transmitted to by the collected infrared image of infrared image acquisition device 43
The body temperature of processing workstation (not shown), general human body can be higher than environment temperature, and infrared image acquisition device 43 can acquire
The heat radiation of human-body emitting out, therefore post-process work station distinguishable human body parts and environment out in collected infrared image
Part, and determine with this location information of patient；Target position is determined in the infrared image, between the human body of identical physique
The position of bone and internal organs is generally more similar, therefore or the letters such as body thick wide according to the Human Height body of collected infrared image
Breath, while human body contour outline is drawn, in conjunction with the information of human body contour outline, the position of body structures can be calculated, is suffered from determining
After the location information of person, so that it may calculate the target position in patient body according to the bodily form information of patient；According to target
Position drives the position of x-ray source and/or detector, and it is corresponding that the x-ray source and X-ray detector are moved to target area
Position, because having determined target position, and known x-ray source 41 and X-ray detector 42 are with respect to infrared image acquisition device 43
Relative position after, the positional relationship of x-ray source 41 and X-ray detector 42 and target position can be calculated, therefore can
The x-ray source 41 and X-ray detector 42 is driven to be moved to target area corresponding position；The target position is carried out saturating
Depending on being shot on the position of x-ray source 41 corresponding with the target area and X-ray detector 42.In this implementation
X-ray detector 42 described in example and x-ray source 41 are driven by individual driver.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.
Claims (10)
1. a kind of x-ray imaging equipment characterized by comprising for emitting the x-ray source of X-ray；With the x-ray source
It is oppositely arranged, the X-ray detector for receiving X-ray；For acquiring the infrared image acquisition device of infrared image；For basis
The image of infrared image acquisition device acquisition determines the image processor of target position, the figure of the infrared image acquisition device acquisition
As including that human body contour outline, Human Height, body be wide, the thick information of body, the target position is the position of body structures；And it uses
In driving the x-ray source and/or X-ray detector to be moved to bat corresponding with the target position according to the target position
Act as regent the driver set.
2. x-ray imaging equipment according to claim 1, which is characterized in that the image of the infrared image acquisition device is adopted
It is consistent with the x-ray bombardment direction of the x-ray source to collect direction.
3. x-ray imaging equipment according to claim 1, which is characterized in that the infrared image acquisition device includes being located at X
The first infrared image acquisition unit of radiographic source one end and the second infrared image acquisition unit positioned at X-ray detector one end.
4. x-ray imaging equipment according to claim 1, which is characterized in that further include: arc bracket, the x-ray source
The both ends of the arc bracket are located at the X-ray detector.
5. x-ray imaging equipment according to claim 1, which is characterized in that further include: sliding rail；It is moved along the sliding rail
Dynamic jack column；The x-ray source is fixed on the jack column；Column；The X-ray detector movably connects
It is connected to the column.
6. a kind of localization method of x-ray imaging equipment characterized by comprising
Acquire the infrared image of patient, the infrared image of the patient includes that Human Height, body be wide, the thick information of body；
Target position is determined according to infrared image, comprising: human body contour outline is extracted according to infrared image, according to the human body of infrared image
Height, body are wide, the thick information of body and the human body contour outline calculate the position of body structures；
Driving x-ray source and/or X-ray detector are moved to camera site corresponding with the target position.
7. the localization method of x-ray imaging equipment according to claim 6, which is characterized in that by the human body contour outline
With the data in database；Target position is determined according to matching result.
8. the localization method of x-ray imaging equipment according to claim 6, which is characterized in that described according to infrared image
Determine target position further include: according to IR image enhancement organization of human body schematic diagram；Receive target information；Existed according to target information
Target position is determined in the organization of human body schematic diagram.
9. the localization method of x-ray imaging equipment according to claim 6, which is characterized in that the x-ray imaging used is set
It is standby as claimed in claim 3；The localization method of the x-ray imaging equipment further include: acquisition rack imaging position information first；
The infrared image acquisition device of acquisition image is determined according to the rack imaging position information；According to determining infrared image acquisition device
Acquire the infrared image of patient.
10. the localization method of x-ray imaging equipment according to claim 6, which is characterized in that the x-ray imaging is set
Standby localization method further includes verifying shooting step: when x-ray source and/or X-ray detector are moved to and the target position
Behind corresponding camera site, an Image Acquisition is carried out again with infrared image acquisition device, and be sent to image processor, by image
Processor is verified according to infrared image, judges whether properly to carry out X-ray exposure on present position.
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