CN109247940A - The scan method and magnetic resonance system of magnetic resonance system - Google Patents
The scan method and magnetic resonance system of magnetic resonance system Download PDFInfo
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- CN109247940A CN109247940A CN201811400428.XA CN201811400428A CN109247940A CN 109247940 A CN109247940 A CN 109247940A CN 201811400428 A CN201811400428 A CN 201811400428A CN 109247940 A CN109247940 A CN 109247940A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
Abstract
The invention discloses a kind of scan method of magnetic resonance system and magnetic resonance systems.This method comprises: obtaining the basic feature information of target object, target object in the scanning bed first location information and at least one default scanned position, wherein, the basic feature information includes at least one in age, gender, height and weight；According to the first location information, the basic feature information of target object, driving is described scanning bed, and the default scanned position is moved to the detection zone；The default scanned position is excited using imaging sequence, to obtain the magnetic resonance image of the default scanned position.The technical solution of the embodiment of the present invention automatically adjusts scanning bed moving distance in magnetic resonance imaging task, reduces the workload of target user, is automatically performed the scanning at multiple positions, improves clinical position efficiency.
Description
Technical field
The present embodiments relate to the scan methods and magnetic resonance of medical imaging technology more particularly to a kind of magnetic resonance system
System.
Background technique
Magnetic resonance imaging technology can be imaged patient's diseased region, so that auxiliary mark user diagnoses.?
Before magnetic resonance equipment formally scans, it is also necessary to position simultaneously Scan orientation picture to patient scan position.
Magnetic resonance scanning method is as follows in the prior art: patient lies on scanning bed, and target user configures with patient
The corresponding coil of wanted scanned position；Target user operates motion scan bed, is located at scanned position under the light beam of positioning；Target
User presses a key into bed, scanning bed to send scanned position to magnet center；Between target user leaves scanning, selective positioning picture association
View, by starting to scan, system starts calibration and Scan orientation picture；After system completes positioning as scanning, target user is according to gained
The positioning picture arrived sets the scanning in cross section, coronal-plane, sagittal plane, enables the system to the image for accessing correct anatomical directions.It is existing
Have and be not supplied to the good interactive interface of target user in technology, the degree of automation is low, is being directed to multi-modal magnetic resonance imaging
In, need target user to possess nuclear medicine experience and magnetic resonance radiography experience, it is higher to the professional skill requirement of target user, together
When can not also be accurately obtained and adjust scanning bed into bed distance.It, can not be automatic when target user scans multiple positions
That changes is sent to next scanned position magnet center, and target user carries out magnetic resonance imaging needs and takes a substantial amount of time, grasps
It is also more complicated and cumbersome to make process, causes scan efficiency low.
Summary of the invention
The embodiment of the invention provides a kind of scan method of magnetic resonance system and magnetic resonance system, realization is swept in magnetic resonance
The scanning work that patient's positioning and positioning picture are automatically completed during retouching, improves the clinical position efficiency of target user.
In a first aspect, the embodiment of the invention provides a kind of scan method of magnetic resonance system, the magnetic resonance system packet
Magnet and scanning bed, the magnet formation detection zone are included, it is described scanning bed for carrying target object, this method comprises:
The basic feature information of target object, target object are obtained in the scanning bed first location information and at least
One default scanned position, wherein the basic feature information includes at least one in age, gender, height and weight；
According to the first location information, the basic feature information of target object, driving is described scanning bed, will be described pre-
If scanned position moves to the detection zone；
The default scanned position is excited using imaging sequence, to obtain the magnetic resonance image of the default scanned position.
Second aspect, it is described the embodiment of the invention also provides a kind of magnetic resonance system, including scanning bed and scanning means
Scanning means includes magnet, wherein the magnet forms detection zone, described scanning bed for carrying target object, described to sweep
Imaging apparatus includes:
Data obtaining module, for obtaining the basic feature information of target object, target object described scanning bed
One location information and at least one default scanned position, wherein the basic feature information include the age, gender, height with
At least one of and in weight；
Drive module, for the characteristic information according to the first location information, target object, driving is described scanning bed,
The default scanned position is moved to the detection zone；
Scan module, for exciting the default scanned position using imaging sequence, to obtain the default scanned position
Magnetic resonance image.
The technical solution of the embodiment of the present invention is swept by the basic feature information of acquisition target object, target object described
Retouch the first location information and at least one default scanned position of bed, wherein the basic feature information includes age, property
Not, in height and weight at least one of, can be according to the characteristic information of target object, target object described scanning bed
Position is calculated automatically into bed distance, position to be scanned is moved to detection zone automatically, reduction target user passes through will be to be scanned
Position moves to the time of detection zone.In turn, according to the first location information, the basic feature information of target object and to
Scanned position, driving is described scanning bed, and the default scanned position is moved to the detection zone, is reduced to target user
The requirement of workmanship improves the clinical position efficiency of target user.In turn, the default scanning is excited using imaging sequence
Position, to obtain the magnetic resonance image of the default scanned position, magnetic resonance imaging task is completed in guidance.Above-mentioned technical proposal solution
Target user is needed to be scanned in magnetic resonance imaging task of having determined according to different target object, position to be scanned and target object
Position on bed needs that position to be scanned is moved to detection zone manually, workload very complicated, need target user possess compared with
The problem of high professional skill, is realized in magnetic resonance imaging task automatically according to different target object, position to be scanned and mesh
Position to be scanned is moved to detection zone by position of the mark object on scanning bed, reduces the workload of target user, automatic complete
At the scanning at multiple positions, clinical position efficiency is improved.
Detailed description of the invention
Fig. 1 a is a kind of flow chart of the scan method for magnetic resonance system that the embodiment of the present invention one provides；
Fig. 1 b is a kind of structural schematic diagram for manikin block diagram that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow chart of the scan method of magnetic resonance system provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of flow chart of the scan method for magnetic resonance system that the embodiment of the present invention three provides；
Fig. 4 is a kind of structural schematic diagram of the scanning means for magnetic resonance system that the embodiment of the present invention four provides；
Fig. 5 is a kind of structural schematic diagram for equipment that the embodiment of the present invention five provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 a is a kind of flow chart of the scan method for magnetic resonance system that the embodiment of the present invention one provides, the magnetic resonance
System includes magnet and scanning bed, the magnet formation detection zone, described scanning bed for carrying target object.The present embodiment
The case where being applicable to Medical Devices scanning, is particularly suitable for the case where magnetic resonance system scans.This method can be by magnetic resonance
System executes, which can be realized by hardware and/or software, which can be integrated in equipment (such as magnetic resonance imaging
Equipment) in execute, as shown in Figure 1a, specifically comprise the following steps:
Step 101, the basic feature information for obtaining target object, target object are in the scanning bed first location information
And at least one default scanned position.
Wherein, the basic feature information includes at least one in age, gender, height and weight.
Wherein, target object is often referred to the object of the wanted scanning collection data of magnetic resonance scanning system.Such as it can be doctor
The medical patient of institute or the collected personnel of laboratory assistant experiment etc..
Wherein, target object can be true by multiple pressure sensors of scanning bed upper setting in the scanning bed position
Set the goal the pressure-plotting of object, determines that the profile of target object obtains according to the pressure-plotting of the target object,
The profile that the target object can be acquired by the filming apparatus being arranged on the magnet obtains.
According to the basic feature information of target object the target object profile.
Default scanned position refers to position to be scanned, can be a scanned position, is also possible to multiple scanned positions, sweeps
The particular number and concrete position to be scanned for retouching position can be set according to actual needs by target user.Into one
Also corresponding placement radio frequency (radio frequency, the RF) receiving coil of scanned position is preset on step ground.Default scanned position can be with
It is one of head, abdomen, chest, mammary gland, neck, shoulder, pelvic cavity, ankle, leg, four limbs etc. or a variety of.Accordingly, it penetrates
Frequency receiving coil can be head coil, spine coil, four main pole windings, ankle coil, Breast Coil etc..Different radio frequency receptions
Coil usually has different shapes, can determine default scanned position by the RF coil of shooting.
Optionally, the basic feature information for obtaining target object and at least one default scanned position, comprising:
Receive the basic feature information and at least of the target object inputted by the user that human-computer interaction device sends
One default scanned position；Alternatively,
The voice messaging for receiving target user's input, the basic feature information of target object is determined according to the voice messaging
And at least one default scanned position.
For example, human-computer interaction device can be touch screen, hand-held touch screen flat panel electricity on magnetic resonance system
The input equipments such as brain, mobile phone and remote controler, these human-computer interaction devices can receive input (by input frame or hand-written shape
Formula) target object basic feature information, such as information such as age, gender, height and weight of target object, and can be with
The scanned position information of input is received, the scanned position information of input can be one or more scanned positions, such as ancon, when
When determining scanning ancon, exact matching this vocabulary of ancon is not needed, elbow, ancon, elbow joint etc. can be inputted, these inputs
Information the scanned position information containing identical semanteme of input is made by the methods of simple corresponding relationship or semantics recognition
Finally obtain identical scanned position information.In addition to scanned position can be directly inputted, imported disease can also be worked as with imported disease
When, the corresponding scanned position information of disease can be obtained, to be scanned.Touch screen, hand-held touch on magnetic resonance system
Manikin block diagram can also be shown by shielding on the input equipments such as tablet computer, may include human body in the manikin block diagram
Frontal outline and back side profile.As shown in Figure 1 b, it is frontal outline figure on the left of Fig. 1 b, is back side profile diagram on the left of Fig. 1 b, and
Front and back profile shows alternative all scanned position information.As shown in Figure 1 b, certain positions in being elected to, such as elbow
When portion and head, corresponding icon can be lighted, other unselected positions keep defaulting non-lit up state.
Human-computer interaction device is also possible to interactive voice equipment, by the essential characteristic of the phonetic acquisition target object of input
Information and scanned position information.Such as ancon is scanned, phase can be obtained using voice input as elbow, ancon, elbow joint etc.
Same result.Target user can also input the information such as age, gender, height, the weight of target object by voice.
Step 102, according to the first location information, the basic feature information of target object, drive it is described scanning bed, with
The default scanned position is moved into the detection zone.
Wherein, first location information refers to target object in the scanning bed position.
According to the first location information, the basic feature information of target object, driving is described scanning bed, and target pair
As the detection zone can be moved to scanning bed, the default scanned position is moved into the detection zone.
Step 103 excites the default scanned position using imaging sequence, total with the magnetic for obtaining the default scanned position
Shake image.
For example, the process of target object progress magnetic resonance imaging is as follows: being located at target object in magnetic resonance cavity
It is scanning bed on, and corresponding coil is covered in target object body portion.Target user can be handed over by tablet computer or voice
The characteristic informations such as age, gender, height and the weight of the interactive devices input target object such as mutual equipment simultaneously register portion to be scanned
Position, such as when scanning chest, according to target object in scanning bed upper position, the characteristic information of target object leads to magnetic resonance system
Ergonomics statistical value is crossed to judge automatically that the chest of target object is moved to magnet detection area into bed distance required for obtaining
Domain.After moving to detection zone, system automatically begins to be scanned pre-calibration operation.After the completion of pre-calibration, system is automatically begun to pair
Target object carries out positioning as scanning.System is according to the positioning picture scanned, and by image recognition algorithm, confining can be obtained correctly
The image of anatomical directions simultaneously starts to scan.
The technical solution of the embodiment of the present invention is swept by the basic feature information of acquisition target object, target object described
Retouch the first location information and at least one default scanned position of bed, wherein the basic feature information includes age, property
Not, in height and weight at least one of, can be according to the characteristic information of target object, target object described scanning bed
Position is calculated automatically into bed distance, position to be scanned is moved to detection zone automatically, reduction target user passes through will be to be scanned
Position moves to the time of detection zone.In turn, according to the first location information, the basic feature information of target object and to
Scanned position, driving is described scanning bed, and the default scanned position is moved to the detection zone, is reduced to target user
The requirement of workmanship improves the clinical position efficiency of target user.In turn, the default scanning is excited using imaging sequence
Position, to obtain the magnetic resonance image of the default scanned position, magnetic resonance imaging task is completed in guidance.Above-mentioned technical proposal solution
Target user is needed to be scanned in magnetic resonance imaging task of having determined according to different target object, position to be scanned and target object
Position on bed needs that position to be scanned is moved to detection zone manually, workload very complicated, need target user possess compared with
The problem of high professional skill, is realized in magnetic resonance imaging task automatically according to different target object, position to be scanned and mesh
Position to be scanned is moved to detection zone by position of the mark object on scanning bed, reduces the workload of target user, automatic complete
At the scanning at multiple positions, clinical position efficiency is improved.
Embodiment two
Fig. 2 is a kind of flow chart of the scan method of the magnetic resonance system provided in the embodiment of the present invention two.The present embodiment
On the basis of the above embodiments, optional is described according to the first location information, the basic feature information of target object, is driven
It moves described scanning bed, the default scanned position is moved into the detection zone, comprising:
Determine the default scanned position in the second of the target object according to the basic feature information of target object
Confidence breath；Determine default scanned position described scanning bed the according to the first location information, the second location information
Three location informations；It is described scanning bed according to the third place information driving, the default scanned position is moved into the inspection
Survey region.
On this basis, further, the default scanned position is excited using imaging sequence described, described in obtaining
Before the magnetic resonance image of default scanned position, further includes:
Pre-calibration is scanned to the magnetic resonance system, wherein the scanning pre-calibration includes being directed to transmitting coil width
The calibration of degree and phase, for B0 calibrations and at least one of B1 calibration.
On this basis, further, described to excite the default scanned position using imaging sequence, it is described pre- to obtain
If the magnetic resonance image of scanned position, comprising:
It is based on positioning sequence pulse in the detection zone to be scanned to obtain positioning picture, wherein the positioning is as including
Cross section positions at least one of picture, coronal-plane positioning picture and sagittal plane positioning picture；
Each actual scanning of the positioning as in is obtained as identifying to the positioning based on pre-set image recognizer
Position；
The positioning is generated as being pre-positioned according to the default scanned position and each actual scanning position
Predetermined bit information；
It carries out carrying out magnetic resonance imaging to the target object based on predetermined bit information, to obtain the default scanned position
Magnetic resonance image.
On this basis, further, the basic feature information according to target object determines the default scanner section
Second location information of the position in the target object, comprising:
The pressure-plotting of target object is determined by multiple pressure sensors of the scanning bed upper setting；
The profile of target object is determined according to the pressure-plotting of the target object；
According to the basic feature information of the profile of the target object and target object, the default scanned position is determined
In the second location information of the target object.
On this basis, further, the basic feature information according to target object determines the default scanner section
Second location information of the position in the target object, comprising:
The profile of the target object is acquired by the filming apparatus being arranged on the magnet；
Default scanned position is determined in the profile of the target object according to the basic feature information of target object, is determined
The second location information.
On this basis, further, the filming apparatus includes: camera or infrared imaging device.
On this basis, further, described sweep target object progress magnetic resonance based on predetermined bit information
It retouches, comprising:
Targeted scans sequence is chosen according to the predetermined bit information, based on the targeted scans sequence to the target object
Carry out magnetic resonance imaging.
As shown in Fig. 2, the method for the present embodiment specifically comprises the following steps:
Step 201, the basic feature information for obtaining target object, target object are in the scanning bed first location information
And at least one default scanned position.
Wherein, the basic feature information includes at least one in age, gender, height and weight.
Step 202 determines the default scanned position in the target object according to the basic feature information of target object
Second location information.
Optionally, the basic feature information according to target object determines the default scanned position in the target pair
The second location information of elephant, comprising:
The pressure-plotting of target object is determined by multiple pressure sensors of the scanning bed upper setting；
The profile of target object is determined according to the pressure-plotting of the target object；
According to the basic feature information of the profile of the target object and target object, the default scanned position is determined
In the second location information of the target object.
Wherein, the general outline that target object can be sketched out according to pressure-plotting, according to the substantially wheel of target object
Wide and target object basic feature information can obtain scanned position in the target pair according to ergonomics statistical value
The position of elephant.
For example, when determine scan a scanned position when, and there is known age of target object, gender, height,
The information such as weight can obtain position of the scanned position relative to human body entirety with ergonomics statistical value.For example, when determination is swept
When retouching chest, ergonomics statistical value can be 0.3, at this time if it is known that 1.7 meters of target object height, pass through 1.7*0.3
Chest can be determined in the position of human body.
Optionally, the basic feature information according to target object determines the default scanned position in the target pair
The second location information of elephant, comprising:
The profile of the target object is acquired by the filming apparatus being arranged on the magnet；
Default scanned position is determined in the profile of the target object according to the basic feature information of target object, is determined
The second location information.
Optionally, the filming apparatus includes: camera or infrared imaging device.
Magnetic resonance system can also acquire the image of target object by the filming apparatus being arranged on magnet, determine scanner section
Position is in the position of the target object.Since target object body is covered with coil, so acquired image can be coil
Image obtains human body contour outline by coil image.Magnetic resonance system according to collected target object profile, combining target object
Basic feature information calculates target object position to be scanned relative to target object whole body according to ergonomics statistical value
Position.
Step 203 determines that default scanned position is swept described according to the first location information, the second location information
Retouch the third place information of bed.
It, can by target object in the scanning bed position, default scanned position in the position of the target object
Default scanned position is obtained in the scanning bed position, so that it is determined that scanning bed moving distance, mobile by position to be scanned
To detection zone.
Step 204, according to the third place information drive it is described scanning bed, the default scanned position is moved into institute
State detection zone.
Such as when scanning chest, according to calculated scanning bed moving distance motion scan bed, and by chest locations
Detection zone is moved to, detection zone is magnetic resonance imaging imaging region, is imaged for magnetic resonance imaging.
Step 205 is scanned pre-calibration to the magnetic resonance system.
Wherein, it is described scanning pre-calibration include for transmitting coil amplitude and phase calibration, for B0 calibrations with
And for B1 at least one of calibrations.It is understood that the purpose of scanning pre-calibration is to adjust sweep parameter, make magnetic
Resonance scan can adjust relevant sweep parameter according to scanned position, more to adapt to the scanning of scanned position.
Step 206 excites the default scanned position using imaging sequence, total with the magnetic for obtaining the default scanned position
Shake image.
Optionally, described to excite the default scanned position using imaging sequence, to obtain the default scanned position
Magnetic resonance image, comprising:
It is based on positioning sequence pulse in the detection zone to be scanned to obtain positioning picture, wherein the positioning is as including
Cross section positions at least one of picture, coronal-plane positioning picture and sagittal plane positioning picture；
It (can it is understood that usually first collecting positioning picture when magnetic resonance equipment one organ such as lung of scanning
Can be the positioning picture of human body thorax abdomen), positioning seems the low-resolution image comprising body scans position, and the present embodiment is logical later
Cross the high-definition picture that image recognition algorithm further automatically identifies lung.
Each actual scanning of the positioning as in is obtained as identifying to the positioning based on pre-set image recognizer
Position；
Wherein, pre-set image recognizer can be common recognizer in pattern-recognition, such as Adaboost algorithm,
Neural network algorithm etc..Before identifying a certain position using image recognition algorithm, also magnetic resonance image is constructed for identification
The training set of each scanned position is trained.When identifying a certain position using image recognition algorithm, can using pre-set color,
Preset shape etc. outlines scanned position.
The positioning is generated as being pre-positioned according to the default scanned position and each actual scanning position
Predetermined bit information；
Wherein it is possible to carry out predetermined bit manipulation to image according to anatomical directions, then provided according to desired scanned position
Conventional sweep sequence simultaneously starts to scan.Predetermined bit information includes the information such as magnetic resonance imaging sequence.
It carries out carrying out magnetic resonance imaging to the target object based on predetermined bit information, to obtain the default scanned position
Magnetic resonance image.
It is optionally, described to carry out carrying out magnetic resonance imaging to the target object based on predetermined bit information, comprising:
Targeted scans sequence is chosen according to the predetermined bit information, based on the targeted scans sequence to the target object
Magnetic resonance imaging is carried out, to obtain the magnetic resonance image of the default scanned position.
Wherein, the process for choosing targeted scans sequence can be target user in the computer screen of magnetic resonance equipment
To after predetermined bit information, scanning sequence required for choosing carries out next step scanning；It is also possible to magnetic resonance imaging according to requiring
Scanned position provide conventional sweep sequence carry out next step scanning.
The technical solution of the present embodiment determines the default scanned position by the basic feature information according to target object
In the second location information of the target object；Default sweep is determined according to the first location information, the second location information
Position is retouched in the scanning bed the third place information；It is described scanning bed according to the third place information driving, it will be described
Default scanned position moves to the detection zone, can calculate scanning bed moving distance automatically, and position to be scanned is moved to inspection
Region is surveyed, reduces the workload of target user, and can accurately control scanning bed moving distance.In turn, by described scanning bed
Multiple pressure sensors of upper setting determine the pressure-plotting of target object；Pressure-plotting according to the target object is true
Set the goal the profile of object；According to the basic feature information of the profile of the target object and target object, determine described pre-
If scanned position presets scanned position in the target object in the second location information of the target object, automatic obtain in turn
Position.In turn, the profile of the target object is acquired by the filming apparatus being arranged on the magnet；According to target object
Basic feature information determines default scanned position in the profile of the target object, determines the second location information, automatically
Default scanned position is obtained in the position of the target object.In turn, the default scanning is excited using imaging sequence described
Position before the magnetic resonance image to obtain the default scanned position, is scanned pre-calibration, energy to the magnetic resonance system
Sweep parameter is enough automatically regulated, is allowed to adapt to subsequent scanning.In turn, in the detection zone be based on positioning sequence pulse into
Row, which scans, obtains positioning picture, wherein the positioning picture includes that cross section positioning picture, coronal-plane positioning picture and sagittal plane position picture
At least one of；Each reality of the positioning as in is obtained as identifying to the positioning based on pre-set image recognizer
Border scanned position；According to the default scanned position and each actual scanning position to the positioning as being pre-positioned,
Generate predetermined bit information；It carries out carrying out magnetic resonance imaging to the target object based on predetermined bit information, it is described default to obtain
The magnetic resonance image of scanned position makes target user not need manual positioning scanned position, adjusts scanning bed moving distance, subtract
The workload for having lacked target user, make magnetic resonance imaging it is more convenient, automation.In turn, it is chosen according to the predetermined bit information
Targeted scans sequence carries out magnetic resonance imaging to the target object based on the targeted scans sequence, completes magnetic resonance imaging.
Embodiment three
Fig. 3 is a kind of flow chart of the scan method of the magnetic resonance system provided in the embodiment of the present invention three.The present embodiment
On the basis of the above embodiments, it is optional be when get the basic feature information of target object, the first location information with
And at least two default scanned positions, and when detecting that the magnetic resonance imaging of current goal scan position is completed, it obtains next
Targeted scans position simultaneously carries out magnetic resonance imaging to the target object based on next targeted scans position.As shown in figure 3,
The method of the present embodiment specifically comprises the following steps:
Step 301, the basic feature information for obtaining target object, target object are in the scanning bed first location information
And at least one default scanned position.
Wherein, the basic feature information includes at least one in age, gender, height and weight.
Step 302 determines the default scanned position in the target object according to the basic feature information of target object
Second location information.
Step 303 determines that default scanned position is swept described according to the first location information, the second location information
Retouch the third place information of bed.
Step 304, according to the third place information drive it is described scanning bed, the default scanned position is moved into institute
State detection zone.
Step 305 is scanned pre-calibration to the magnetic resonance system.
Step 306 excites the default scanned position using imaging sequence, total with the magnetic for obtaining the default scanned position
Shake image.
Step 307 judges whether the magnetic resonance imaging of current goal scan position is completed.If so, step 308 is executed,
If it is not, continuing to execute step 306.
Wherein, targeted scans position refers to the corresponding position of default scanned position.Since default scanned position can be one
A or multiple, when there are multiple default scanned positions, magnetic resonance system can be stored multiple default scanned positions, example
As stored into list.
Step 307, which refers to, judges whether the magnetic resonance imaging at Current Scan position is completed.
Step 308 judges whether present scanning position is the last one targeted scans position.If it is not, step 309 is executed,
If so, executing step 310.
When default scanned position information includes two or more default scanned positions, can either automatically or manually obtain
A targeted scans position is removed, and magnetic resonance imaging is carried out to the target object based on next targeted scans position.
Step 309 obtains next targeted scans position and sweeps next targeted scans location updating for current goal
Position is retouched, returns to step 304.
Wherein, next targeted scans position can be the current goal scan position in list described in step 307
Next scan position.
It is understood that can determine the of all default scanned positions by step 301, step 302 and step 303
Three location informations, and it is stored, when comprising multiple default scanned positions, it may not be necessary to determine default scanner section again
The third place information of position, directly according to the third place information motion scan bed of the default scanned position of storage.
Step 310 terminates magnetic resonance imaging.
For example, the scanning process of the present embodiment is as follows: make target object be located at magnetic resonance chamber it is intracorporal it is scanning bed on,
And corresponding coil is covered in target object body portion.Target user inputs target pair by tablet computer or interactive voice equipment
The characteristic informations such as age, gender, height and the weight of elephant, such as when scanning chest, magnetic resonance system exists according to target object
Scanning bed upper position, the characteristic information of target object are judged automatically required for obtaining by ergonomics statistical value into bed
The chest of target object is moved to magnet center by distance.After moving to magnet center, system automatically begins to be scanned pre-calibration behaviour
Make.After the completion of pre-calibration, system automatically begins to carry out target object positioning as scanning.Positioning is scanned as after, target user
It can hold touch screen flat panel computer by the touch screen on magnetic resonance system or interactive voice equipment selects three kinds of scanning moulds
Formula is respectively as follows: either scans' mode, sub-scanning mode and automatically scanning mode.Wherein, either scans' mode is system scanning
Picture is positioned out, and target user is in positioning as upper operation navigates to scanned position, progress magnetic resonance image acquisition.Sub-scanning mode
Are as follows: system scans positioning picture, then according to positioning as upper image in conjunction with the scanned position required before identifies image
Middle cross section, coronal-plane, the scanned position at least one face in sagittal plane, and pre-determined bit behaviour is carried out to image according to anatomical directions
Make, after target user sees predetermined bit information on magnetic resonance equipment screen, magnetic resonance imaging sequence required for choosing is carried out
It scans in next step.The automatically scanning mode supports the two or more scanned position scannings of target object, when completion one
After the scanning of a scanned position, the system relevant operation that selected non-scanned position carries out magnetic resonance imaging before is carried out certainly
Dynamicization ground magnetic resonance imaging.
It should be noted that being carried out clearly just for the sake of convenient to each technical characteristic in this implementation to the number of step
The explanation of Chu, not to the considered critical of execution sequence.Illustratively, it can also be returned to step after executing step 309
303。
The technical solution of the present embodiment passes through when basic feature information, the first location information for getting target object
And at least two default scanned positions, and when detecting that the magnetic resonance imaging of current goal scan position is completed, under acquisition
One targeted scans position simultaneously carries out magnetic resonance imaging to the target object based on next targeted scans position, may be implemented
In magnetic resonance imaging, magnetic resonance imaging automatically is carried out to multiple positions to be scanned, conventional sweep sequence is obtained, subtracts significantly
The time for having lacked target user's magnetic resonance imaging reduces magnetic resonance imaging for the dependence journey of target user's professional ability
Degree.
Example IV
Fig. 4 is a kind of structural schematic diagram of magnetic resonance system scanning means provided by the embodiment of the present invention four.The present invention
The magnetic resonance system of embodiment includes scanning bed and scanning means, and the scanning means includes magnet.Magnetic resonance system scanning
Device can be used for executing the scan method of magnetic resonance system provided by any embodiment of the invention.Magnetic resonance system scanning dress
The specific structure set is as follows: data obtaining module 41, drive module 42 and scan module 43.
Wherein, data obtaining module 41 is used to obtain target object basic feature information, target object is in the scanning
The first location information of bed and at least one default scanned position, wherein the basic feature information include the age, gender,
At least one of in height and weight；
Drive module 42 drives the scanning for the characteristic information according to the first location information, target object
Bed, moves to the detection zone for the default scanned position；
Scan module 43, for exciting the default scanned position using imaging sequence, to obtain the default scanner section
The magnetic resonance image of position.
The technical solution of the embodiment of the present invention is swept by the basic feature information of acquisition target object, target object described
Retouch the first location information and at least one default scanned position of bed, wherein the basic feature information includes age, property
Not, in height and weight at least one of, can be according to the characteristic information of target object, target object described scanning bed
Position is calculated automatically into bed distance, position to be scanned is moved to detection zone automatically, reduction target user passes through will be to be scanned
Position moves to the time of detection zone.In turn, according to the first location information, the basic feature information of target object and to
Scanned position, driving is described scanning bed, and the default scanned position is moved to the detection zone, is reduced to target user
The requirement of workmanship improves the clinical position efficiency of target user.In turn, the default scanning is excited using imaging sequence
Position, to obtain the magnetic resonance image of the default scanned position, magnetic resonance imaging task is completed in guidance.Above-mentioned technical proposal solution
Target user is needed to be scanned in magnetic resonance imaging task of having determined according to different target object, position to be scanned and target object
Position on bed needs that position to be scanned is moved to detection zone manually, workload very complicated, need target user possess compared with
The problem of high professional skill, is realized in magnetic resonance imaging task automatically according to different target object, position to be scanned and mesh
Position to be scanned is moved to detection zone by position of the mark object on scanning bed, reduces the workload of target user, automatic complete
At the scanning at multiple positions, clinical position efficiency is improved.
Based on the above technical solution, drive module 42 are particularly used in:
Determine the default scanned position in the second of the target object according to the basic feature information of target object
Confidence breath；
Determine default scanned position described scanning bed the according to the first location information, the second location information
Three location informations；
It is described scanning bed according to the third place information driving, the default scanned position is moved into the detection zone
Domain.
Based on the above technical solution, drive module 42 are particularly used in: being believed according to the essential characteristic of target object
Breath determines the default scanned position in the second location information of the target object；
Determine default scanned position described scanning bed the according to the first location information, the second location information
Three location informations；
It is described scanning bed according to the third place information driving, the default scanned position is moved into the detection zone
Domain.
Based on the above technical solution, drive module 42 are particularly used in: passing through the more of the scanning bed upper setting
A pressure sensor determines the pressure-plotting of target object；
The profile of target object is determined according to the pressure-plotting of the target object；
According to the basic feature information of the profile of the target object and target object, the default scanned position is determined
In the second location information of the target object.
Illustratively, the filming apparatus includes: camera or infrared imaging device.
Based on the above technical solution, scanning means can also include: scanning pre-calibration module.
Pre-calibration module is scanned, for exciting the default scanned position using imaging sequence described, described in obtaining
Before the magnetic resonance image of default scanned position, pre-calibration is scanned to the magnetic resonance system, wherein the pre- school of scanning
Standard includes for the calibration of transmitting coil amplitude and phase, for B0 calibrations and at least one in B1 calibrations
It is a.
Based on the above technical solution, data obtaining module 41 are particularly used in: obtaining the substantially special of target object
Reference breath and at least one default scanned position, comprising:
Receive the basic feature information and at least of the target object inputted by the user that human-computer interaction device sends
One default scanned position；Alternatively,
The voice messaging for receiving target user's input, the basic feature information of target object is determined according to the voice messaging
And at least one default scanned position.
Based on the above technical solution, scan module 43 are particularly used in: being based on positioning sequence in the detection zone
Column pulse is scanned to obtain positioning picture, wherein the positioning picture includes cross section positioning picture, coronal-plane positioning picture and sagittal
At least one of face positioning picture；
Each actual scanning of the positioning as in is obtained as identifying to the positioning based on pre-set image recognizer
Position；
The positioning is generated as being pre-positioned according to the default scanned position and each actual scanning position
Predetermined bit information；
It carries out carrying out magnetic resonance imaging to the target object based on predetermined bit information, to obtain the default scanned position
Magnetic resonance image.
Based on the above technical solution, scan module 43 are particularly used in: choosing mesh according to the predetermined bit information
Scanning sequence is marked, magnetic resonance imaging is carried out to the target object based on the targeted scans sequence.
Based on the above technical solution, scanning means can also include: multiple location automatically scanning module.
Multiple location automatically scanning module, for when basic feature information, the first position letter for getting target object
Breath and at least two default scanned positions, and when detecting that the magnetic resonance imaging of current goal scan position is completed, it obtains
Next targeted scans position simultaneously carries out magnetic resonance imaging to the target object based on next targeted scans position.
The scanning means of magnetic resonance system provided by the embodiment of the present invention can be performed any embodiment of that present invention and be provided
Magnetic resonance system scan method, have the corresponding functional module of execution method and beneficial effect.
Embodiment five
Fig. 5 is a kind of structural schematic diagram for equipment that the embodiment of the present invention five provides, as shown in figure 5, the equipment includes place
Manage device 50, memory 51, input unit 52 and output device 53；The quantity of processor 50 can be one or more in equipment,
In Fig. 5 by taking a processor 50 as an example；Processor 50, memory 51, input unit 52 and output device 53 in equipment can be with
It is connected by bus or other modes, in Fig. 5 for being connected by bus.
Memory 51 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, if the corresponding program instruction/module of the scan method of the magnetic resonance system in the embodiment of the present invention is (for example, magnetic
Data obtaining module 41, drive module 42 and scan module 43 in resonance scan device).Processor 50 is stored in by operation
Software program, instruction and module in memory 51, thereby executing the various function application and data processing of equipment, i.e., in fact
The scan method of existing above-mentioned magnetic resonance system.
Memory 51 can mainly include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.This
Outside, memory 51 may include high-speed random access memory, can also include nonvolatile memory, for example, at least a magnetic
Disk storage device, flush memory device or other non-volatile solid state memory parts.In some instances, memory 51 can be further
Including the memory remotely located relative to processor 50, these remote memories can by network connection to equipment/terminal/
Server.The example of above-mentioned network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Input unit 52 can be used for receiving the number of input, character information, touch selection operation or voice input, and produce
Raw signal input related with the user setting of equipment and function control.Output device 53 may include the touch of magnetic resonance system
The interactive devices such as screen or hand-held touch screen flat panel computer.
Embodiment six
The embodiment of the present invention six also provides a kind of storage medium comprising computer executable instructions, and the computer can be held
Row is instructed when being executed by computer processor for executing a kind of scan method of magnetic resonance system, this method comprises:
The basic feature information of target object, target object are obtained in the scanning bed first location information and at least
One default scanned position, wherein the basic feature information includes at least one in age, gender, height and weight；
According to the first location information, the basic feature information of target object, driving is described scanning bed, will be described pre-
If scanned position moves to the detection zone；
The default scanned position is excited using imaging sequence, to obtain the magnetic resonance image of the default scanned position.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present invention
The method operation that executable instruction is not limited to the described above, can also be performed magnetic resonance system provided by any embodiment of the invention
Relevant operation in the scan method of system.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, in the embodiment of above-mentioned magnetic resonance system scanning means, included each unit and module
It is only divided according to the functional logic, but is not limited to the above division, as long as corresponding functions can be realized；
In addition, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of scan method of magnetic resonance system, which is characterized in that the magnetic resonance system includes magnet and scanning bed, described
Magnet forms detection zone, described scanning bed for carrying target object, which comprises
Obtain the basic feature information of target object, target object the scanning bed first location information and at least one
Default scanned position, wherein the basic feature information includes at least one in age, gender, height and weight；
According to the first location information, the basic feature information of target object, driving is described scanning bed, and described preset is swept
It retouches position and moves to the detection zone；
The default scanned position is excited using imaging sequence, to obtain the magnetic resonance image of the default scanned position.
2. the method according to claim 1, wherein described according to the first location information, target object
Basic feature information, driving is described scanning bed, and the default scanned position is moved to the detection zone, comprising:
Determine the default scanned position in the second confidence of the target object according to the basic feature information of target object
Breath；
Determine default scanned position in the scanning bed third position according to the first location information, the second location information
Confidence breath；
It is described scanning bed according to the third place information driving, the default scanned position is moved into the detection zone.
3. according to the method described in claim 2, it is characterized in that, the basic feature information according to target object determines institute
Default scanned position is stated in the second location information of the target object, comprising:
The pressure-plotting of target object is determined by multiple pressure sensors of the scanning bed upper setting；
The profile of target object is determined according to the pressure-plotting of the target object；
According to the basic feature information of the profile of the target object and target object, determine the default scanned position in institute
State the second location information of target object.
4. according to the method described in claim 2, it is characterized in that, the basic feature information according to target object determines institute
Default scanned position is stated in the second location information of the target object, comprising:
The profile of the target object is acquired by the filming apparatus being arranged on the magnet；
It is determined in the profile of the target object according to the basic feature information of target object and presets scanned position, described in determination
Second location information.
5. according to the method described in claim 4, it is characterized in that, the filming apparatus includes:
Camera or infrared imaging device.
6. the method according to claim 1, wherein exciting the default scanner section using imaging sequence described
, before the magnetic resonance image to obtain the default scanned position, further includes:
Pre-calibration is scanned to the magnetic resonance system, wherein the scanning pre-calibration include for transmitting coil amplitude and
The calibration of phase, for B0 calibrations and at least one of B1 calibration.
7. the method according to claim 1, wherein the basic feature information and extremely for obtaining target object
A few default scanned position, comprising:
Receive the target object inputted by the user that human-computer interaction device sends basic feature information and at least one
Default scanned position；Alternatively,
Receive target user input voice messaging, according to the voice messaging determine target object basic feature information and
At least one default scanned position.
8. the method according to claim 1, wherein described excite the default scanner section using imaging sequence
Position, to obtain the magnetic resonance image of the default scanned position, comprising:
It is based on positioning sequence pulse in the detection zone to be scanned to obtain positioning picture, wherein the positioning is as including cross-section
Face positions at least one of picture, coronal-plane positioning picture and sagittal plane positioning picture；
Each actual scanning portion of the positioning as in is obtained as identifying to the positioning based on pre-set image recognizer
Position；
The positioning is generated predetermined as being pre-positioned according to the default scanned position and each actual scanning position
Position information；
It carries out carrying out magnetic resonance imaging to the target object based on predetermined bit information, to obtain the magnetic of the default scanned position
Resonance image.
9. the method according to claim 1, wherein further include:
When the basic feature information, the first location information and at least two default scanned positions for getting target object,
And when detecting that the magnetic resonance imaging of current goal scan position is completed, next targeted scans position is obtained and based under described
One targeted scans position carries out magnetic resonance imaging to the target object.
10. a kind of magnetic resonance system, which is characterized in that including scanning bed and scanning means, the scanning means includes magnet,
In, the magnet forms detection zone, and described scanning bed for carrying target object, the scanning means includes:
Data obtaining module, for obtaining the basic feature information of target object, target object at described scanning bed first
Confidence breath and at least one default scanned position, wherein the basic feature information includes age, gender, height and body
At least one of in weight；
Drive module, for the characteristic information according to the first location information, target object, driving is described scanning bed, will
The default scanned position moves to the detection zone；
Scan module, for exciting the default scanned position using imaging sequence, to obtain the magnetic of the default scanned position
Resonance image.
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