CN102805636A - CT machine and method and system for determining scanning area of CT machine - Google Patents
CT machine and method and system for determining scanning area of CT machine Download PDFInfo
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- CN102805636A CN102805636A CN201110145238XA CN201110145238A CN102805636A CN 102805636 A CN102805636 A CN 102805636A CN 201110145238X A CN201110145238X A CN 201110145238XA CN 201110145238 A CN201110145238 A CN 201110145238A CN 102805636 A CN102805636 A CN 102805636A
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Abstract
The invention discloses a CT (computed tomography) machine, a method and system for determining a scanning area of a CT machine, a computer program and a readable recording medium. The system comprises a coordinate setting unit used for setting a coordinate system for an examining table plate, a camera used for collecting an image of a patient, a first image processing unit used for determining an examining scope of a target organ according to the image of the patient, and a coordinate determining unit used for determining a scanning zero position of a scanning plane according to a relative distance between the zero position of the scanning plane and the examining zero position of the target organ in the coordinate system. With the adoption of the technical scheme, radiation doses on the patient can be reduced in the locating process.
Description
Technical field
The present invention relates to medical domain, the sweep limits of particularly a kind of computed tomography (CT) machine is confirmed method, system and CT machine.
Background technology
As shown in Figure 1; When utilizing the CT machine that human body is carried out scanning imagery; Need patient 101 be placed on patient table 102 the bed board 1021, just can carry out scanography through the scanning area that mobile bed board 1021 is sent patient's 101 horizontal positioned into CT frame 103, when carrying out scanography; Generally include two stages; First stage is location scanning (toposcan) stage, also is definite stage of sweep limits, is used for the angle of inclination of original position, end position and the frame (gantry) of definite scanning.Second stage is tomoscan (tomoscan) stage, the promptly real scanning imagery stage.
At present, the phase I all is to utilize the X-line imaging to carry out confirming of sweep limits, though the radiation dose of this X-line imaging in safety range, patient's radiation dose still is devoted to further to reduce in CT machine field.
Summary of the invention
In view of this; One aspect of the present invention has proposed a kind of sweep limits of CT machine and has confirmed method; The sweep limits that has proposed a kind of CT machine on the other hand is fixed system and CT machine really; Proposed on the one hand a kind of computer program and computer-readable recording medium again, confirmed method, reduced between fixation phase radiation dose the patient in order to the sweep limits that replaces the X-line imaging.
The sweep limits of CT machine proposed by the invention is confirmed method, comprising:
For the examining table bed board is set coordinate system;
Confirm the initial position of the plane of scanning motion in said coordinate system;
Utilization is positioned at the first camera collection patient's of patient top positive bit image; And/or utilization is positioned at the second camera collection patient's of patient side side bit image;
From said positive bit image and/or said side bit image, identify the body surface identification point of Target organ, according to the examination scope of the definite Target organ of said body surface symbol point, said examination scope comprises the inspection original position;
According to position and the said plane of scanning motion the initial position in said coordinate system of said inspection original position in said coordinate system, confirm the scanning starting position of the plane of scanning motion.
Preferably, this method further comprises: confirm the position of Target organ with respect to frame central according to said side bit image.
Preferably, this method further comprises: confirm to rebuild the visual field according to said positive bit image and said side bit image.
Wherein, if said Target organ is a head;
Saidly confirm that according to said positive bit image and said side bit image the examination scope of Target organ comprises: from said positive bit image and said side bit image, identify the position on the crown, confirm the inspection original position of head according to the position on the said crown; The angle of inclination of frame is confirmed in the position of eyelid and external auditory meatus outside from said side bit image, identifying according to the line of said outer eyelid and external auditory meatus;
Perhaps, if said Target organ is a breast portion;
Saidly confirm that according to said positive bit image and said side bit image the examination scope of Target organ comprises: from said positive bit image, identify the position of clavicle, confirm the inspection original position of chest according to the position of said clavicle.
Preferably, said first photographic head and said second photographic head are the panoramic shooting head; Saidly confirm before the examination scope of Target organ according to said positive bit image and/or said side bit image; Further comprise: with the normotopia image reconstruction of said first camera collection is the positive bit image that is fit to the plan view of human eye, the side bit image of said second camera collection is reconstructed into the side bit image of the plan view that is fit to human eye.
The sweep limits of CT machine proposed by the invention is confirmed system, and said CT machine comprises the examining table bed board; This system comprises:
Coordinate is provided with the unit, is used to the examining table bed board and sets coordinate system;
Be positioned at first photographic head of patient top, be used to gather patient's positive bit image;
Be positioned at second photographic head of patient side, be used to gather patient's side bit image;
First graphics processing unit is used for identifying from said positive bit image and/or said side bit image the body surface identification point of Target organ, confirms the examination scope of Target organ according to said body surface symbol point, and said examination scope comprises the inspection original position;
Coordinate is confirmed the unit, is used for confirming the initial position of the plane of scanning motion in said coordinate system; According to position and the said plane of scanning motion the initial position in said coordinate system of said inspection original position in said coordinate system, confirm the scanning starting position of the plane of scanning motion.
Preferably, said first graphics processing unit is further used for confirming the position of Target organ with respect to CT machine frame central according to said side bit image.
Preferably, said first graphics processing unit is further used for confirming to rebuild the visual field according to said positive bit image and said side bit image.
Preferably, said first photographic head and said second photographic head are the panoramic shooting head; This system further comprises:
Second graphics processing unit, the normotopia image reconstruction that is used for said first camera collection is the positive bit image that is fit to the plan view of human eye, and the positive bit image after the reconstruct is exported to first graphics processing unit; The side bit image of said second camera collection is reconstructed into the side bit image of the plan view that is fit to human eye, and the side bit image after the reconstruct is exported to first graphics processing unit.
CT machine proposed by the invention comprises: the sweep limits of the CT machine of above-mentioned any concrete way of realization is confirmed system.
Perhaps, CT machine proposed by the invention also can comprise:
Be provided with the examining table bed board of coordinate system;
Be positioned at first photographic head of patient top, be used to gather patient's positive bit image;
Be positioned at second photographic head of patient side, be used to gather patient's side bit image;
First graphics processing unit is used for identifying from said positive bit image and/or said side bit image the body surface identification point of Target organ, confirms the examination scope of Target organ according to said body surface symbol point, and said examination scope comprises the inspection original position;
Coordinate is confirmed the unit, is used for confirming the initial position of the plane of scanning motion in said coordinate system; According to position and the said plane of scanning motion the initial position in said coordinate system of said inspection original position in said coordinate system, confirm the scanning starting position of the plane of scanning motion.
Preferably, said first graphics processing unit is further used for confirming the position of Target organ with respect to CT machine frame central according to said side bit image.
Preferably, said first graphics processing unit is further used for confirming to rebuild the visual field according to said positive bit image and said side bit image.
Preferably, said first photographic head and said second photographic head are the panoramic shooting head; This system further comprises:
Second graphics processing unit, the normotopia image reconstruction that is used for said first camera collection is the positive bit image that is fit to the plan view of human eye, and the positive bit image after the reconstruct is exported to first graphics processing unit; The side bit image of said second camera collection is reconstructed into the side bit image of the plan view that is fit to human eye, and the side bit image after the reconstruct is exported to first graphics processing unit.
Computer program proposed by the invention when said computer program runs in the machine, can make said machine carry out the method for above-mentioned any concrete way of realization.
Computer-readable recording medium proposed by the invention has been stored above-mentioned computer program.
From such scheme, can find out; Because the present invention utilizes two optics photographic head to gather the image of patient's normotopia and side position respectively; And confirm the examination scope of Target organ according to the image that collects, according to the coordinate system of preset bed board, confirm scanning starting position; Thereby realized replacing the X-line imaging to realize confirming of sweep limits, therefore reduced between fixation phase radiation dose the patient with optical imagery.
In addition; Further confirm the position of Target organ through utilizing this optical imagery with respect to the CT frame central; Can reduce present manual work and confirm the error of Target organ, practice thrift human cost, and can shorten patient's whole sweep time with respect to the position of CT frame central.
Equally, further confirm to rebuild the visual field, can reduce the error that present manual work confirms to rebuild the visual field equally, practice thrift human cost, and can shorten patient's whole sweep time through utilizing this optical imagery.
In addition, gather optical imagery, can enlarge and gather the visual angle, increased the applicability of system through utilizing the panoramic shooting head.
Description of drawings
To make clearer above-mentioned and other feature and advantage of the present invention of those of ordinary skill in the art through describing the preferred embodiments of the present invention in detail below with reference to accompanying drawing, in the accompanying drawing:
Fig. 1 is the sketch map when utilizing the CT machine to scan.
Fig. 2 confirms the schematic flow sheet of method for the sweep limits of CT machine in the embodiment of the invention.
Fig. 3 is the sketch map of the position relation between two photographic head and the patient in the embodiment of the invention.
Fig. 4 a and Fig. 4 b are when carrying out head scanning, from normotopia image graph 4a and side bit image Fig. 4 b, confirm the sketch map of HC scope.
Fig. 5 confirms the structural representation of system for the sweep limits of CT machine in the one embodiment of the invention.
Among the figure: 101-patient 102-examining table 103-CT frame 1021-bed board
201-is that bed board setting coordinate system 202-confirms that plane of scanning motion initial position 203-gathers optical imagery 204-and confirms that examination scope 205-confirms scanning starting position
The 301-first photographic head 302-second photographic head
T-crown position St-inspection original position A, the outer eyelid position C of B-, Tg-angle of inclination, D-external auditory meatus position
The 501-coordinate is provided with the unit 502-first photographic head 503-second photographic head 504-first graphics processing unit 505-coordinate and confirms unit 506-second graphics processing unit
The specific embodiment
Among the present invention,, consider to replace the X-line imaging to carry out confirming of sweep limits with optical imagery in order to reduce between fixation phase radiation injury to the patient; Promptly utilize the first camera collection patient's who is positioned at the patient top positive bit image; Utilization is positioned at the second camera collection patient's of patient side side bit image, confirms the examination scope of Target organ afterwards through the body surface identification point that in this positive bit image and/or side bit image, identifies Target organ, comprising: the inspection original position; When carrying out head scanning (as) also comprises the angle of inclination of frame in case of necessity; Be the angle of inclination of the plane of scanning motion, in addition, also can comprise for reference inspection end position.
In addition; In order to determine the relative position between the plane of scanning motion and the inspection original position; To confirm the initial scanning position of the plane of scanning motion, set a coordinate system for the examining table bed board among the present invention, and the initial position of definite plane of scanning motion in this coordinate system; According to the position of inspection original position in this coordinate system of Target organ, confirm the scanning starting position of the plane of scanning motion afterwards.
Further, also can be among the present invention according to confirming the position of Target organ with respect to frame central according to said positive bit image and said side bit image.
In addition, also can confirm to rebuild the visual field among the present invention according to said positive bit image and said side bit image.
During concrete the realization, above-mentioned first photographic head and second photographic head can be common photographic head, as long as can satisfy current angular field of view.Perhaps; In order to enlarge angular field of view; Above-mentioned first photographic head and second photographic head also can be the panoramic shooting head, at this moment, and before confirming the examination scope of Target organ according to positive bit image and/or side bit image; Should be at first with the normotopia image reconstruction of said first camera collection positive bit image for the plan view that is fit to human eye, the side bit image of said second camera collection is reconstructed into the side bit image of the plan view that is fit to human eye.
For making the object of the invention, technical scheme and advantage clearer, below lift embodiment to further explain of the present invention.
Fig. 2 confirms the schematic flow sheet of method for the sweep limits of CT machine in the embodiment of the invention.As shown in Figure 2, this method comprises the steps:
Step 201 is for the examining table bed board is set coordinate system.
Wherein, the coordinate system of setting for the examining table bed board can be the coordinate system that is marked on the examining table bed board, also can be the electronic coordinate system consistent with the bed board image scaled, specifically adopts which kind of application to confirm according to actual needs.
This coordinate system can be can identify the one-dimensional coordinate system that bed board moves forward and backward, and also can be to comprise the above coordinate system of two dimension that this moves forward and backward direction.
Step 202 is confirmed the initial position of the plane of scanning motion in said coordinate system.
Wherein, this initial position can be an absolute position, also can be a relative position, specifically can be provided with according to actual needs.
Step 203 is gathered optical imagery, promptly utilizes the first camera collection patient's who is positioned at the patient top positive bit image, and/or utilization is positioned at the second camera collection patient's of patient side side bit image.
Fig. 3 is the sketch map of the position relation between two photographic head and the patient in the embodiment of the invention.As shown in Figure 3, first photographic head 301 is positioned at patient 101 top, is used to gather positive bit image of the patient 101, and second photographic head 302 is positioned at patient 101 side, is used to gather patient 101 side bit image.
In the practical application,, confirm that the required image of Target organ examination scope also maybe be different, so might only need gather wherein piece image in this step, also might gather two width of cloth images simultaneously according to the difference of the Target organ that scans.For example, when carrying out chest scan, can only need to gather positive bit image; And when carrying out head scanning, can only need to gather the side bit image, perhaps positive bit image and side bit image all need be gathered.
Certainly, in the practical application, also can not consider specifically scan which Target organ, and all gather two width of cloth images, in step 204, select for use more afterwards.
Step 204 is confirmed the examination scope of Target organ to comprise the inspection original position in this examination scope from said positive bit image and/or said side bit image, if carry out head scanning etc., also comprises the angle of inclination of frame.The inspection end position that also can comprise in addition, reference in this examination scope.
Be example with the situation of carrying out head scanning and chest scan respectively below, this step is illustrated.
Fig. 4 a and Fig. 4 b are when carrying out head scanning, from normotopia image graph 4a and side bit image Fig. 4 b, confirm the sketch map of HC scope.As shown in Figs. 4a and 4b, in this step, can from normotopia image graph 4a and side bit image Fig. 4 b, identify the position T on the crown, confirm the inspection original position St of head according to the position T on the said crown; And from side bit image Fig. 4 b, identify position C, the D of position A, B and the both sides external auditory meatus of eyelid outside the both sides, confirm the angle of inclination Tg of frame according to the line of the position C of the position A of the outer eyelid of a side and this side external auditory meatus.Afterwards, can frame be tilted according to this angle of inclination.During concrete the realization, also can only identify the position (like A) and the position (like C) of a side external auditory meatus of the outer eyelid of a side, the line of the position of the position of the outer eyelid that identifies of basis and external auditory meatus is confirmed the angle of inclination Tg of frame afterwards.
When Target organ is chest, in this step, can from said positive bit image, identify the position of clavicle, confirm the inspection original position of chest according to the position of said clavicle.
It is thus clear that, in the said process, at first from said positive bit image and/or said side bit image, identify the body surface identification point of Target organ, confirm the examination scope of Target organ according to said body surface symbol point.
Step 205 according to position and the said plane of scanning motion the initial position in said coordinate system of said inspection original position in said coordinate system, is confirmed the scanning starting position of the plane of scanning motion.
In this step,, can calculate the distance that bed board need move, thereby determine the scanning starting position of the plane of scanning motion according to the position and the initial position of the said plane of scanning motion in said coordinate system of said inspection original position in said coordinate system.
Afterwards, can bed board be moved to this scanning starting position place and scan, can judge whether scanning finishes according to the pairing scanning of the scanogram of real-time demonstration position then.Perhaps, if confirmed the inspection end position of reference in advance, also can when scanning proceeds to this inspection end position, finish scanning, or not consider this inspection end position, the image that directly obtains according to scanning judges whether that needs finish scanning.
In the present embodiment, before beginning scanning, can confirm the position of Target organ, and Target organ moved to the center of frame through mobile bed board according to said side bit image with respect to frame central (iso-center).For example, can confirm the last bottom profiled of Target organ body surface, and the center of the last bottom profiled of Target organ body surface moved to the center of frame through mobile bed board according to the side bit image.
In the present embodiment, further, can also confirm to rebuild the visual field (FOV, Field of View) according to said positive bit image and said side bit image.For example, be the situation of foursquare FOV for visual field profile, can confirm the last bottom profiled of present organ body surface according to the side bit image, and obtain the maximum range value between the bottom profiled; Confirm the left and right sides profile of Target organ body surface according to positive bit image, and obtain the maximum range value between the profile of the left and right sides; From two maximum range value, choose the greater as the visual field length of side of rebuilding FOV, go up the center that bottom profiled and left and right sides profile can be confirmed Target organ, can confirm to rebuild the center, the visual field of FOV according to the center of said Target organ according to above-mentioned.
Shown in Fig. 4 a, can confirm to rebuild the visual field length of side of FOV according to the maximum range value H between the last bottom profiled of head in maximum range value L between the left and right sides profile of head in the positive bit image and the side bit image, i.e. L.
In the practical application; If first photographic head and second photographic head are the panoramic shooting head; Then between step 203 and the step 204; Further comprise: with the normotopia image reconstruction of said first camera collection is the positive bit image that is fit to the plan view of human eye, the side bit image of said second camera collection is reconstructed into the side bit image of the plan view that is fit to human eye.
Head in above-mentioned example and the application of chest, the technical scheme among the present invention can also be applied to the scanning at other position, and like the scanning of hands, foot, arm and lower limb etc., range of application is wider.
More than the sweep limits of CT machine in the embodiment of the invention is confirmed that method describes in detail, again the sweep limits of CT machine in the embodiment of the invention is confirmed that system is described in detail below.
Fig. 5 confirms the structural representation of system for the sweep limits of CT machine in the one embodiment of the invention.As shown in Figure 5, this system can comprise: coordinate is provided with unit 501, first photographic head 502, second photographic head 503, first graphics processing unit 504 and coordinate and confirms unit 505.
Wherein, coordinate is provided with unit 501 and is used to examining table bed board setting coordinate system.
First photographic head 502 is positioned at patient's top, is used to gather patient's positive bit image.
Second photographic head 503 is positioned at patient's side, is used to gather patient's side bit image.
First graphics processing unit 504; Be used for identifying the body surface identification point of Target organ from said positive bit image and/or said side bit image; Confirm the examination scope of Target organ according to said body surface symbol point; Said examination scope comprises the inspection original position, if carry out head scanning etc., also comprises the angle of inclination of frame.The inspection end position that also can comprise in addition, reference in this examination scope.For example; When Target organ is head; First graphics processing unit 504 can identify the position on the crown from positive bit image and side bit image; Confirm the inspection original position of head according to the position on the said crown, the angle of inclination of frame is confirmed in the position of eyelid and external auditory meatus outside from the side bit image, identifying according to the line of said outer eyelid and external auditory meatus.When Target organ was chest, first graphics processing unit 504 can identify the position of clavicle from positive bit image, confirmed the inspection original position of chest according to the position of said clavicle.
Coordinate is confirmed unit 505, is used for confirming the initial position of the plane of scanning motion in said coordinate system; According to position and the said plane of scanning motion the initial position in said coordinate system of said inspection original position in said coordinate system, confirm the scanning starting position of the plane of scanning motion.
Further, this first graphics processing unit 504 can be confirmed the position of Target organ with respect to CT machine frame central according to the side bit image.For example, can confirm the last bottom profiled of Target organ body surface, and the center of the last bottom profiled of Target organ body surface moved to the center of frame through mobile bed board according to the side bit image.
Further, first graphics processing unit 504 can confirm to rebuild the visual field according to positive bit image and side bit image.For example, be the situation of foursquare FOV for visual field profile, can confirm the last bottom profiled of present organ body surface according to the side bit image, and obtain the maximum range value between the bottom profiled; Confirm the left and right sides profile of Target organ body surface according to positive bit image, and obtain the maximum range value between the profile of the left and right sides; From two maximum range value, choose the greater as the visual field length of side of rebuilding FOV, go up the center that bottom profiled and left and right sides profile can be confirmed Target organ, can confirm to rebuild the center, the visual field of FOV according to the center of said Target organ according to above-mentioned.
In the present embodiment; When first photographic head 502 and second photographic head 503 are the panoramic shooting head; This system further comprises: second graphics processing unit 506 between the photographic head and first graphics processing unit 504; The normotopia image reconstruction that is used for said first photographic head 502 is gathered is the positive bit image that is fit to the plan view of human eye; And the positive bit image after the reconstruct exported to first graphics processing unit 504, the side bit image that said second photographic head 503 is gathered is reconstructed into the side bit image of the plan view that is fit to human eye, and the side bit image after the reconstruct is exported to first graphics processing unit 504.
CT machine in the embodiment of the invention can comprise that the sweep limits of the CT machine of above-mentioned arbitrary concrete way of realization confirms system.
In addition, when specifically realizing, the CT machine in the embodiment of the invention can not comprise that also above-mentioned coordinate is provided with unit 501, but comprises examining table bed board that is provided with coordinate system etc.Concrete which kind of mode that adopts can be confirmed according to actual needs.
The present invention also provides a kind of machine-readable storage medium, and the sweep limits that storage is used to make a machine to carry out CT machine as described herein is confirmed the instruction of method.Particularly; System or the device of being furnished with storage medium can be provided; On this storage medium, storing the software program code of realizing the function of arbitrary embodiment in the foregoing description, and making the computer (or CPU or MPU) of this system or device read and carry out the program code that is stored in the storage medium.
In this case, the program code itself that reads from storage medium can be realized the function of any one embodiment the foregoing description, so program code and program code stored storage medium have constituted a part of the present invention.
Be used to provide the storage medium embodiment of program code to comprise floppy disk, hard disk, magneto-optic disk, CD (like CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), tape, Nonvolatile memory card and ROM.Selectively, can be by communication network download program code from the server computer.
In addition; Be noted that; The program code that not only can read through object computer; And the operating system of calculating hands-operation is waited accomplish practical operation partly or completely, thereby realize the function of any embodiment in the foregoing description.
In addition; It is understandable that; Will by the program code that storage medium is read write in the memorizer set in the expansion board of inserting in the computer or write with expanding element that computer is connected in the memorizer that is provided with; Instruction based on program code subsequently makes the CPU that is installed on expansion board or the expanding element wait operating part and all practical operations, thereby realizes the function of arbitrary embodiment in the foregoing description.
The sweep limits that the invention discloses a kind of CT machine is confirmed system, method, CT machine, computer program and readable medium recording program performing.Wherein, System can comprise: the coordinate that is used to examining table bed board setting coordinate system is provided with the unit; Be used to gather the photographic head of patient's image; Be used for confirming first graphics processing unit of Target organ examination scope, be used for confirming that in the relative distance of said coordinate system the coordinate of the scanning starting position of the plane of scanning motion confirms the unit according to the plane of scanning motion and Target organ inspection original position according to patient's image.The disclosed technical scheme of the present invention can reduce between fixation phase the radiation dose to the patient.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the sweep limits of a CT machine is confirmed system, and said CT machine comprises the examining table bed board; It is characterized in that this system comprises:
Be positioned at first photographic head (502) of patient top, be used to gather patient's positive bit image;
Be positioned at second photographic head (503) of patient side, be used to gather patient's side bit image;
First graphics processing unit (504) is used for identifying from said positive bit image and/or said side bit image the body surface identification point of Target organ, confirms the examination scope of Target organ according to said body surface symbol point, and said examination scope comprises the inspection original position;
Coordinate is confirmed unit (505), is used for confirming the initial position of the plane of scanning motion in the coordinate system of said examining table bed board; According to position and the said plane of scanning motion the initial position in said coordinate system of said inspection original position in said coordinate system, confirm the scanning starting position of the plane of scanning motion.
2. system according to claim 1 is characterized in that, said first graphics processing unit (504) is further used for confirming the position of Target organ with respect to CT machine frame central according to said side bit image.
3. system according to claim 1 is characterized in that, said first graphics processing unit (504) is further used for confirming to rebuild the visual field according to said positive bit image and said side bit image.
4. according to each described system in the claim 1 to 3, it is characterized in that said first photographic head (502) and said second photographic head (503) are the panoramic shooting head; This system further comprises:
Second graphics processing unit (506), the normotopia image reconstruction that is used for said first camera collection is the positive bit image that is fit to the plan view of human eye, and the positive bit image after the reconstruct is exported to first graphics processing unit; The side bit image of said second camera collection is reconstructed into the side bit image of the plan view that is fit to human eye, and the side bit image after the reconstruct is exported to first graphics processing unit.
5. system according to claim 1 is characterized in that, this system comprises that also coordinate is provided with unit (501), is used to the examining table bed board and sets coordinate system.
6. a CT machine comprises the examining table bed board, it is characterized in that, this CT machine also comprises: the sweep limits like each described CT machine in the claim 1 to 5 is confirmed system.
7. the sweep limits of a CT machine is confirmed method, it is characterized in that, this method comprises:
For the examining table bed board is set coordinate system (201);
Confirm the initial position (202) of the plane of scanning motion in said coordinate system;
Utilization is positioned at the first camera collection patient's of patient top positive bit image; And/or utilization is positioned at the second camera collection patient's of patient side side bit image (203);
From said positive bit image and/or said side bit image, identify the body surface identification point of Target organ, according to the examination scope of the definite Target organ of said body surface symbol point, said examination scope comprises inspection original position (204);
According to position and the said plane of scanning motion the initial position in said coordinate system of said inspection original position in said coordinate system, confirm the scanning starting position (205) of the plane of scanning motion.
8. method according to claim 7 is characterized in that, this method further comprises: confirm the position of Target organ with respect to frame central according to said side bit image.
9. method according to claim 7 is characterized in that, this method further comprises: confirm to rebuild the visual field according to said positive bit image and said side bit image.
10. method according to claim 9 is characterized in that, said Target organ is a head; Saidly confirm that according to said positive bit image and said side bit image the examination scope of Target organ comprises: from said positive bit image and said side bit image, identify the position on the crown, confirm the inspection original position of head according to the position on the said crown; The angle of inclination of frame is confirmed in the position of eyelid and external auditory meatus outside from said side bit image, identifying according to the line of said outer eyelid and external auditory meatus;
Perhaps, said Target organ is a breast portion; Saidly confirm that according to said positive bit image and said side bit image the examination scope of Target organ comprises: from said positive bit image, identify the position of clavicle, confirm the inspection original position of chest according to the position of said clavicle.
11., it is characterized in that said first photographic head and said second photographic head are the panoramic shooting head according to each described method in the claim 7 to 10; Saidly confirm before the examination scope of Target organ according to said positive bit image and/or said side bit image; Further comprise: with the normotopia image reconstruction of said first camera collection is the positive bit image that is fit to the plan view of human eye, the side bit image of said second camera collection is reconstructed into the side bit image of the plan view that is fit to human eye.
12. a computer program when said computer program runs in the machine, can make said machine carry out like each described method among the claim 7-11.
13. a computer-readable recording medium has been stored computer program as claimed in claim 15.
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| CN201110145238.XA CN102805636B (en) | 2011-05-31 | 2011-05-31 | CT machine and method and system for determining scanning area of CT machine |
| BR102012013157A BR102012013157A2 (en) | 2011-05-31 | 2012-05-31 | Method and system for determining the scan range of a tc machine, and tc machine |
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| CN201110145238.XA CN102805636B (en) | 2011-05-31 | 2011-05-31 | CT machine and method and system for determining scanning area of CT machine |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266837A (en) * | 2014-10-27 | 2016-01-27 | 沈阳东软医疗系统有限公司 | Body surface location method and device |
| CN106469253A (en) * | 2015-08-21 | 2017-03-01 | 西门子医疗有限公司 | Apparatus and method for display location information |
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| CN109549659A (en) * | 2019-01-08 | 2019-04-02 | 沈阳东软医疗系统有限公司 | A kind of method and system automatically obtaining scanned position locating plate |
| CN111053570A (en) * | 2020-03-02 | 2020-04-24 | 明峰医疗系统股份有限公司 | Non-contact CT scanning positioning method |
| CN111297383A (en) * | 2019-12-24 | 2020-06-19 | 上海联影医疗科技有限公司 | Correction method, device and storage medium for X-ray imaging |
| CN113081017A (en) * | 2021-03-30 | 2021-07-09 | 东软医疗系统股份有限公司 | CT scanning method and device and electronic equipment |
| US11622740B2 (en) | 2018-05-28 | 2023-04-11 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for taking X-ray images |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04138393A (en) * | 1990-09-29 | 1992-05-12 | Shimadzu Corp | Apparatus for correcting body movement |
| DE4335301C1 (en) * | 1993-10-15 | 1994-12-08 | Siemens Ag | Medical unit |
| DE19508715A1 (en) * | 1995-03-10 | 1996-09-12 | Siemens Ag | Positioning of patient in medical diagnostic appts. |
| JPH0919441A (en) * | 1995-07-04 | 1997-01-21 | Toshiba Corp | Image displaying device for assisting operation |
| US5662111A (en) * | 1991-01-28 | 1997-09-02 | Cosman; Eric R. | Process of stereotactic optical navigation |
| US20020118280A1 (en) * | 2001-02-26 | 2002-08-29 | Siemens Aktiengesellschaft | Positioning device for an imaging diagnosis system |
| CN1443513A (en) * | 2002-03-07 | 2003-09-24 | 西门子公司 | Method for making patient repeat same relative location and equipment |
| CN1476812A (en) * | 2002-07-18 | 2004-02-25 | 西门子公司 | Patient-locating method and device for medical diagnostic or therapeutic equipment |
| CN1805711A (en) * | 2003-05-08 | 2006-07-19 | 株式会社日立医药 | Reference image display method for ultrasonography and ultrasonograph |
| CN101010039A (en) * | 2004-09-03 | 2007-08-01 | 西门子公司 | X-ray device |
| DE102007017794B3 (en) * | 2007-04-16 | 2008-12-04 | Siemens Ag | Method for positioning of displaceable patient couch in medical diagnose unit, involves taking consequence of graphic data sets of patient couch with patient present at it by camera |
| CN101952837A (en) * | 2008-01-15 | 2011-01-19 | 艾可瑞公司 | The use of the single radioscopic image of the three-dimensional imaging centering of the quality assurance that is used to follow the tracks of |
| JP2011072521A (en) * | 2009-09-30 | 2011-04-14 | Ge Medical Systems Global Technology Co Llc | Medical imaging system |
-
2011
- 2011-05-31 CN CN201110145238.XA patent/CN102805636B/en active Active
-
2012
- 2012-05-31 BR BR102012013157A patent/BR102012013157A2/en not_active IP Right Cessation
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04138393A (en) * | 1990-09-29 | 1992-05-12 | Shimadzu Corp | Apparatus for correcting body movement |
| US5662111A (en) * | 1991-01-28 | 1997-09-02 | Cosman; Eric R. | Process of stereotactic optical navigation |
| DE4335301C1 (en) * | 1993-10-15 | 1994-12-08 | Siemens Ag | Medical unit |
| DE19508715A1 (en) * | 1995-03-10 | 1996-09-12 | Siemens Ag | Positioning of patient in medical diagnostic appts. |
| JPH0919441A (en) * | 1995-07-04 | 1997-01-21 | Toshiba Corp | Image displaying device for assisting operation |
| US20020118280A1 (en) * | 2001-02-26 | 2002-08-29 | Siemens Aktiengesellschaft | Positioning device for an imaging diagnosis system |
| CN1443513A (en) * | 2002-03-07 | 2003-09-24 | 西门子公司 | Method for making patient repeat same relative location and equipment |
| CN1476812A (en) * | 2002-07-18 | 2004-02-25 | 西门子公司 | Patient-locating method and device for medical diagnostic or therapeutic equipment |
| CN1805711A (en) * | 2003-05-08 | 2006-07-19 | 株式会社日立医药 | Reference image display method for ultrasonography and ultrasonograph |
| CN101010039A (en) * | 2004-09-03 | 2007-08-01 | 西门子公司 | X-ray device |
| DE102007017794B3 (en) * | 2007-04-16 | 2008-12-04 | Siemens Ag | Method for positioning of displaceable patient couch in medical diagnose unit, involves taking consequence of graphic data sets of patient couch with patient present at it by camera |
| CN101952837A (en) * | 2008-01-15 | 2011-01-19 | 艾可瑞公司 | The use of the single radioscopic image of the three-dimensional imaging centering of the quality assurance that is used to follow the tracks of |
| JP2011072521A (en) * | 2009-09-30 | 2011-04-14 | Ge Medical Systems Global Technology Co Llc | Medical imaging system |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10006758B2 (en) * | 2014-10-27 | 2018-06-26 | Shenyang Neusoft Medical Systems Co., Ltd. | Locating the body surface position of a CT scanned subject |
| US20160117826A1 (en) * | 2014-10-27 | 2016-04-28 | Shenyang Neusoft Medical Systems Co., Ltd. | Locating the body surface position of a ct scanned subject |
| CN105266837A (en) * | 2014-10-27 | 2016-01-27 | 沈阳东软医疗系统有限公司 | Body surface location method and device |
| CN106469253A (en) * | 2015-08-21 | 2017-03-01 | 西门子医疗有限公司 | Apparatus and method for display location information |
| US10512417B2 (en) | 2015-08-21 | 2019-12-24 | Siemens Healthcare Gmbh | Imaging apparatus and method for displaying position information |
| CN108024776A (en) * | 2015-09-30 | 2018-05-11 | 通用电气公司 | Emission tomography imaging device and program |
| CN106580356A (en) * | 2015-10-19 | 2017-04-26 | 上海西门子医疗器械有限公司 | CT machine scanning area determining method, system and CT machine |
| CN106821408A (en) * | 2017-01-04 | 2017-06-13 | 沈阳东软医疗系统有限公司 | A kind of scan method and device |
| CN107320124A (en) * | 2017-06-28 | 2017-11-07 | 上海联影医疗科技有限公司 | The method and medical image system of spacer scanning are set in medical image system |
| CN107273885A (en) * | 2017-06-30 | 2017-10-20 | 上海联影医疗科技有限公司 | A kind of method that scanning area is automatically determined based on positioning image |
| CN107789001A (en) * | 2017-10-31 | 2018-03-13 | 上海联影医疗科技有限公司 | A kind of pendulum position method and system for image scanning |
| CN108294772A (en) * | 2017-12-31 | 2018-07-20 | 北京纳米维景科技有限公司 | A kind of CT scan vision positioning method and CT system |
| CN108652653A (en) * | 2018-05-28 | 2018-10-16 | 上海联影医疗科技有限公司 | Shoot method, apparatus, Medical Imaging System and the storage medium of medical image |
| US11622740B2 (en) | 2018-05-28 | 2023-04-11 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for taking X-ray images |
| CN109146992A (en) * | 2018-08-24 | 2019-01-04 | 吴玉新 | A kind of method and device that tomoscan plane is reappeared |
| CN109363695A (en) * | 2018-09-30 | 2019-02-22 | 上海联影医疗科技有限公司 | A kind of imaging method and system |
| CN109363695B (en) * | 2018-09-30 | 2023-12-08 | 上海联影医疗科技股份有限公司 | Imaging method and system |
| CN109549659A (en) * | 2019-01-08 | 2019-04-02 | 沈阳东软医疗系统有限公司 | A kind of method and system automatically obtaining scanned position locating plate |
| CN111297383A (en) * | 2019-12-24 | 2020-06-19 | 上海联影医疗科技有限公司 | Correction method, device and storage medium for X-ray imaging |
| CN111053570A (en) * | 2020-03-02 | 2020-04-24 | 明峰医疗系统股份有限公司 | Non-contact CT scanning positioning method |
| CN113081017A (en) * | 2021-03-30 | 2021-07-09 | 东软医疗系统股份有限公司 | CT scanning method and device and electronic equipment |
| CN113081017B (en) * | 2021-03-30 | 2022-11-29 | 东软医疗系统股份有限公司 | CT scanning method and device and electronic equipment |
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| BR102012013157A2 (en) | 2013-06-18 |
| CN102805636B (en) | 2015-04-29 |
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