CN108853755A - A kind of method and device for realizing therapeutic community's location verification - Google Patents
A kind of method and device for realizing therapeutic community's location verification Download PDFInfo
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Abstract
The embodiment of the present application discloses the method and device for realizing therapeutic community's location verification, and for realizing more easily location verification is carried out to the therapeutic community of medical accelerator, this method includes：Control therapeutic bed is moved to initial position, and initial position and initial markers center have corresponding relationship；Read the position difference of initial markers center and planned treatment center, therapeutic bed is controlled according to position difference, and target position is moved to by initial position, so that second position marking arrangement points to target label point position, target label point position is for being arranged index point；Control therapeutic bed is moved to CT scan position, carries out CT scan, obtains the CT data of CT scan output；Goal treatment center is determined using the position of index point in CT data, and obtains the difference of goal treatment center Yu planned treatment center；When the difference of goal treatment center and planned treatment center is less than first threshold, control therapeutic bed is moved to target position, completes therapeutic community's location verification.
Description
Technical field
This application involves technical field of medical equipment, and in particular to a kind of method for realizing therapeutic community's location verification and dress
It sets.
Background technique
Medical accelerator is a kind of particle accelerator device for carrying out radiotherapy to tumour in biomedicine, is
Being irradiated by sigmatron to tumour makes its growth be suppressed dead device.Radiation positioning accuracy is improved, is kept away
The damage for exempting from tumour periphery normal cell is extremely important.Therefore in use medical accelerator before patient carries out radiotherapy,
To needing to keep degree of precision during the positioning, reset and location verification of patient therapeutic community.
In the prior art, the reset of therapeutic community and location verification process are needed with CT (Computed
Tomography, CT scan) CT Room of equipment and the therapeutic room with medical accelerator be respectively completed, operate
It is complex, and the case where tumour displacement is likely to occur in patient's moving process, cause radiotherapy inaccurate.Meanwhile
Reset and location verification process to therapeutic community need to carry out patient radioactive scanning at least twice, and it is unnecessary that patient receives
Radiation it is more.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of method and device for realizing therapeutic community's location verification, to solve
In the prior art to therapeutic community reset and location verification process is complicated for operation, patient receives to radiate more technology and asks
Topic.
To solve the above problems, technical solution provided by the embodiments of the present application is as follows：
A method of realizing therapeutic community's location verification, the method includes：
Control therapeutic bed is moved to initial position, and the initial position and initial markers center have corresponding relationship；
The position difference for reading the initial markers center Yu planned treatment center, according to the position difference
It controls the therapeutic bed and target position is moved to by initial position, so that second position marking arrangement points to target label point
It sets, the target label point position is for being arranged index point；
It controls the therapeutic bed and is moved to CT scan position, carry out CT scan, obtain the CT data of the CT scan output；
Goal treatment center is determined using the position of index point described in the CT data, and is obtained the target and controlled
Treat the difference of center and the planned treatment center；
When the difference of the goal treatment center and the planned treatment center is less than first threshold, control institute
It states therapeutic bed and is moved to the target position, complete therapeutic community's location verification.
Optionally, the method also includes：
When the difference of the goal treatment center and the planned treatment center is greater than or equal to described first
Threshold value and be less than second threshold, the goal treatment center is determined as the initial markers center, by the mesh
Cursor position is determined as the initial position, re-executes the control therapeutic bed and is moved to initial position and subsequent step.
Optionally, the method also includes：
When the difference of the goal treatment center and the planned treatment center is greater than second threshold, again really
The fixed planned treatment center, and the goal treatment center is determined as the initial markers center, it will
The target position is determined as the initial position, re-executes the control therapeutic bed and is moved to initial position and subsequent step
Suddenly.
Optionally, the method also includes：
When the difference of the goal treatment center and the planned treatment center is less than first threshold, record institute
State treatment position of the target position as active user.
Optionally, the initial markers center is determined according to initial markers point position, the initial markers point position
It is determined according to the instruction of first position marking arrangement.
A kind of device for realizing therapeutic community's location verification, described device include：
First control unit is moved to initial position, the initial position and initial markers center for controlling therapeutic bed
Position has corresponding relationship；
Second control unit, for reading the alternate position spike of the initial markers center and planned treatment center
Value controls the therapeutic bed according to the position difference and is moved to target position by initial position, so that second position label is set
Standby to point to target label point position, the target label point position is for being arranged index point；
Third control unit is moved to CT scan position for controlling the therapeutic bed, carries out CT scan, obtain the CT
Scan the CT data of output；
First determination unit, for determining goal treatment centre bit using the position of index point described in the CT data
It sets, and obtains the difference of the goal treatment center Yu the planned treatment center；
4th control unit is small for the difference when the goal treatment center and the planned treatment center
In first threshold, controls the therapeutic bed and be moved to the target position, complete therapeutic community's location verification.
Optionally, described device further includes：
Second determination unit is big for the difference when the goal treatment center and the planned treatment center
In or equal to the first threshold and it is less than second threshold, the goal treatment center is determined as in the initial markers
The target position is determined as the initial position, returns to the first control unit by heart position.
Optionally, described device further includes：
Third determination unit is big for the difference when the goal treatment center and the planned treatment center
In second threshold, redefine the planned treatment center, and by the goal treatment center be determined as it is described just
The target position is determined as the initial position, returns to the first control unit by beginning mark center position.
Optionally, described device further includes：
Recording unit, for the difference when the goal treatment center and the planned treatment center less than the
One threshold value records treatment position of the target position as active user.
Optionally, the initial markers center is determined according to initial markers point position, the initial markers point position
It is determined according to the instruction of first position marking arrangement.
It can be seen that the embodiment of the present application has the advantages that：
The embodiment of the present application is based on the medical accelerator of CT function is integrated with, by the reset of therapeutic community and therapeutic community
Location verification merge into a process.In this process, control therapeutic bed first is moved to initial position, according to initial markers
Therapeutic bed is moved to target position by the position difference of center and planned treatment center, and the second position marks at this time
Equipment points to target label point position, installs index point in target label point；Then control therapeutic bed is moved to CT and sweeps
Position is retouched, a CT scan is carried out, can determine the position of institute's sticking sign point in turn according to the CT data that CT scan exports
Determine goal treatment center；Goal treatment center is compared with planned treatment center, when the target
The difference of therapeutic community position and the planned treatment center is less than first threshold, represents goal treatment center standard
Really, therapeutic bed can be moved back to target position and carry out successive treatment, complete therapeutic community's location verification.The process has doctor
It is completed with the therapeutic room of accelerator, without patient mobile between not chummery, significantly reduces tumour in patient's moving process
A possibility that displacement, improves work efficiency, while the process at least only carries out a CT scan to patient, reduces patient and connects
The radiation received.
Detailed description of the invention
Fig. 1 is therapeutic community's position fixing process schematic diagram in the embodiment of the present application；
Fig. 2 is treatment plan process schematic in the embodiment of the present application；
Fig. 3 is the schematic diagram of a scenario of medical accelerator in the embodiment of the present application；
Fig. 4 is a kind of flow chart for the method for realizing therapeutic community's location verification in the embodiment of the present application；
Fig. 5 is the flow chart of another method for realizing therapeutic community's location verification in the embodiment of the present application；
Fig. 6 is a kind of schematic diagram for the device for realizing therapeutic community's location verification in the embodiment of the present application.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real
Mode is applied to be described in further detail the embodiment of the present application.
In the prior art, medical accelerator does not integrate CT function, needs to exist to positioning, the reset of patient therapeutic community
CT Room with CT equipment carries out, while needing CT scan of each progress to the positioning of therapeutic community, reset；Then by patient
Therapeutic room with medical accelerator is moved to by CT Room, carries out therapeutic community's location verification, therapeutic community's location verification also needs
Carry out primary emission scanning, such as IGRT (Image Guide Radiation Therapy, image-guided radiotherapy)
Scanning carries out subsequent radiation treatment in therapeutic room, if therapeutic community's location verification if therapeutic community's location verification passes through
Do not pass through, it is also possible to need that patient is moved to CT Room again and re-start the reset of therapeutic community, and turn again to therapeutic room into
The location verification of row therapeutic community.
Therefore, in the prior art the reset of therapeutic community and location verification process are needed to distinguish in CT Room and therapeutic room
It completes, complicated operation, and the case where tumour displacement is likely to occur in patient's moving process, causes radiotherapy inaccurate
Really.Meanwhile to therapeutic community reset and location verification process need to carry out radioactive scanning at least twice, patient to patient
It is more to receive unnecessary radiation.
For this purpose, the embodiment of the present application provides a kind of method and device for realizing therapeutic community's location verification, based on being integrated with
The location verification of the reset of therapeutic community and therapeutic community is merged into a process, makes to control by the medical accelerator of CT function
The reset at treatment center, location verification are carried out in the therapeutic room with medical accelerator, are suffered from without mobile between not chummery
Person significantly reduces a possibility that tumour shifts in patient's moving process, improves work efficiency, while the process is at least only right
Patient carries out a CT scan, reduces the radiation of patient's receiving.
For the ease of the understanding of subsequent embodiment, first to the embodiment of the present application carry out therapeutic community's location verification before
The positioning of therapeutic community and the process for carrying out treatment plan are illustrated.
The CT Room that is located in CT equipment of therapeutic community is completed, the position fixing process be in order to determine knub position and
Body surface relative positional relationship.Patient is fixed in simulation therapeutic bed by body film first, according to the position of tumour substantially, by the
Three lead matter index points are arranged in patient skin surface or body film surface in one position mark equipment, and the mode of setting can be viscous
Lead matter index point is pasted, the quantity of the general first position marking arrangement is 3, such as cross laser is respectively arranged in therapeutic bed or so
Linear laser lamp is arranged in lamp, therapeutic bed tailstock.Then a CT scan, shown in Figure 1, the CT obtained according to CT scan are carried out
Data, available three lead matter index point position, that is, initial markers point position, can determine according to initial markers point position
One initial markers center is used for successive treatment plan.
In the treatment after the completion of the positioning of the heart, treatment plan process can be carried out.Treatment planning systems abbreviation TPS, effect
It is that attending physician marks tumor's profiles and each organ contours in periphery to determine planned treatment center on the CT image in position fixing process
Position, and provide tumour and the dose of radiation of peripheral organs, it is ensured that it is thin to kill tumour that tumour receives enough x-ray radiations
Born of the same parents, while ensuring that the damage that peripheral organs' (especially vitals) are subject to is minimum.It is shown in Figure 2, carrying out treatment plan
It can determine that planned treatment center, planned treatment center are the important references for guaranteeing patient outcomes in the process
Point can determine target label point position according to planned treatment center.But target label point position is in body surface at this time
Position is also unmarked, needs to be marked by the position verification method provided by the embodiments of the present application for realizing therapeutic community, and
Complete the location verification to therapeutic community.Meanwhile treatment planning systems also need to calculate initial markers center and plan is controlled
Treat the position deviation of center.
After the positioning and treatment plan process for completing therapeutic community, need for patient to be moved to medical accelerator
Therapeutic room, completing the reset of therapeutic community and the location verification process of therapeutic community, the process can be implemented by the application
The method for realization therapeutic community's location verification that example provides is realized.
It is shown in Figure 3, show the applied field of the medical accelerator provided by the embodiments of the present application for being integrated with CT function
Scape schematic diagram.Accelerator rack outer ring is accelerator part 1, and inner ring is the part CT 2, and accelerator rack rotating shaft center is equipped with and opens
Hole is CT scan hole 3.Patient 5 is fixed in therapeutic bed 4, and therapeutic bed 4 can move, and when therapeutic bed is in treatment position, that is, controls
It treats bed to be located at below accelerator, accelerator can be treated to patient's progress radiotherapy, when therapeutic bed is in CT scan position
Bed is moved in CT scan hole, can carry out CT scan to patient.
It is integrated with the medical accelerator of CT function based on this, the embodiment of the present application provides a kind of realization therapeutic community position
The embodiment of the method for verifying, this method embodiment can be applied to the control equipment of the medical accelerator.It is detailed below in conjunction with attached drawing
Describe the bright embodiment of the method provided by the embodiments of the present application for realizing therapeutic community's location verification in detail.
It is shown in Figure 4, it is real to show a kind of method for realizing therapeutic community's location verification provided by the embodiments of the present application
The flow chart for applying example, may comprise steps of：
Step 401：Control therapeutic bed is moved to initial position, and initial position has corresponding close with initial markers center
System.
In practical applications, patient is fixed in therapeutic bed, and the controller of medical accelerator can control therapeutic bed shifting
It is dynamic.According to the above description, in the treatment in the position fixing process of the heart, patient skin surface or body film surface are provided with mark
Point, these index point positions are initial markers point position at this time, and initial markers point position is in above-mentioned position fixing process according to the
The instruction determination of one position mark equipment.
When carrying out therapeutic community's location verification, it can control therapeutic bed and be moved to below accelerator, and make above-mentioned initial
The position alignment of mark point position and the instruction of second position marking arrangement, the second position marking arrangement are fixed, meanings
The center of the position shown indicates the therapeutic community of accelerator default, similar with the first position marking arrangement, generally can be
The position of laser lamp, laser lamp immobilizes, and emitted laser can be directed toward therapeutic bed from therapeutic bed side, is used to indicate position
It sets, the quantity of initial markers point position can be consistent with the quantity of second position marking arrangement, general second position marking arrangement
Quantity be 3, such as therapeutic bed or so respectively setting cross laser lamp, therapeutic bed tailstock be arranged linear laser lamp.
After the position alignment of initial markers point position and the instruction of second position marking arrangement, therapeutic bed is moved to just at this time
Beginning position.In some possible implementations, which can be by the coordinate value on therapeutic bed vertical shift direction, therapeutic bed
The message identifications such as the coordinate value on traversing direction, the coordinate value in therapeutic bed short transverse, therapeutic bed angle.
Since initial markers point position is determined for initial markers center, then in initial position and initial markers
Also there is corresponding relationship between heart position.
Step 402：The position difference for reading initial markers center and planned treatment center, according to position difference
It controls therapeutic bed and target position is moved to by initial position, so that second position marking arrangement points to target label point position,
Target label point position is for being arranged index point.
Initial markers center and planned treatment center are read, the position difference of the two is calculated, according to the position
Therapeutic bed then can be moved to target position by initial position by difference, to eliminate the position difference.Such as initial markers center
Position is to differ 1 centimetre on therapeutic bed vertical shift direction with the position difference of planned treatment center, in the traversing side of therapeutic bed
0.5 centimetre of difference upwards, then move up 1 centimetre in therapeutic bed vertical shift respective party by initial position for therapeutic bed, in therapeutic bed
Traversing respective party moves up 0.5 centimetre, to eliminate alternate position spike between initial markers center and planned treatment center
Value, the position after therapeutic bed is mobile are target position.
After therapeutic bed is moved to target position, it is target label point that second position marking arrangement, which is directed toward new position, at this time
Position can be set index point in target label point position, such as by the prompt of second position marking arrangement, can make to treat
Technician re-pastes target label point position in patient or the existing index point of body membrane body table, forms new index point, should
Index point can be made of non-transmittive material, such as index point can be lead matter index point, thus in subsequent radiation scanning,
The position of index point can be acquired.
In this step, target label point position is labeled on body surface and comes out, and realizes the reset of therapeutic community.
Similar, which can be by the coordinate value on therapeutic bed vertical shift direction, the seat on the traversing direction of therapeutic bed
The message identifications such as scale value, the coordinate value in therapeutic bed short transverse, therapeutic bed angle.
Step 403：Control therapeutic bed is moved to CT scan position, carries out CT scan, obtains the CT data of CT scan output.
After therapeutic bed is moved to target position, therapeutic bed can also be controlled and be moved to integrated CT's by target position
Scan position, the scan position of CT are that pre-set therapeutic bed is moved to the position in CT scan hole, which can
To be configured according to scanned position.After therapeutic bed is moved to CT scan position, a CT scan can be carried out to patient, and
The CT data of CT scan output are obtained, CT data can be used for CT image reconstruction etc..
Step 404：Goal treatment center is determined using the position of index point in CT data, and is obtained in goal treatment
The difference of heart position and planned treatment center.
After carrying out CT image reconstruction using CT data, the position of set multiple index points can be obtained in CT image
It sets, can determine the goal treatment center for needing to verify using the position of multiple index points.For example, index point is
Three, by two index points on the traversing direction of therapeutic bed be endpoint generate straight line, using another index point as starting point to
The straight line does vertical line, and the intersection point of the vertical line and the straight line can be determined as goal treatment center.
At the same time it can also which goal treatment center to be compared with planned treatment center, the target is obtained
The difference of therapeutic community position and the planned treatment center realizes the location verification to goal treatment center.Meter
Draw therapeutic community position, goal treatment center can use identical coordinate system, i.e. planned treatment center with target position
Position, goal treatment center can also be by the coordinate values on therapeutic bed vertical shift direction, the coordinate on the traversing direction of therapeutic bed
The message identifications such as the coordinate value in value, therapeutic bed short transverse.
Step 405：When the difference of goal treatment center and planned treatment center is less than first threshold, control is controlled
It treats bed and is moved to target position, complete therapeutic community's location verification.
The distance between goal treatment center and planned treatment center can be used as goal treatment center
With the difference of planned treatment center, when the difference of goal treatment center and planned treatment center is less than the first threshold
Value, it is believed that goal treatment center is correct, and control therapeutic bed moves back to target position, in order to successive treatment, completes
Therapeutic community's location verification.The first threshold can be arranged according to the actual situation, such as the first threshold can be 1 milli
Rice, the embodiment of the present application is to the value of first threshold without limiting.
In some possible implementations of the embodiment of the present application, when goal treatment center and planned treatment centre bit
The difference set is less than first threshold, can also record treatment position of the target position as active user.
Namely after being verified to goal treatment center, therapeutic bed can be moved to above-mentioned by next time automatically when treating
Treatment position of the target position as the patient.
In some possible implementations of the embodiment of the present application, realization therapeutic community position provided by the above embodiment is tested
The method of card can also include：
When the difference of goal treatment center and planned treatment center is greater than or equal to first threshold and less than the
Two threshold values, are determined as initial markers center for goal treatment center, target position are determined as initial position, again
It executes control therapeutic bed and is moved to initial position and subsequent step.
In the embodiment of the present application, when goal treatment center and the difference of planned treatment center are greater than or equal to
First threshold and be less than second threshold, it is believed that goal treatment center needs to readjust target label there are deviation
Point position.It then needs goal treatment center at this time being determined as initial markers center, be controlled according to known plan
Treat the position difference that center recalculates initial markers center Yu planned treatment center.Therapeutic bed is mobile
Target position is gone back to, target position at this time is re-used as initial position, executes primary reality provided by the embodiments of the present application again
The method of existing therapeutic community's location verification fully ensures that radiation treatment to re-start the location verification at seance center
Therapeutic community it is accurate.Second threshold can be arranged according to the actual situation, such as second threshold can be 30 millimeters, and the application is real
Example is applied to the value of second threshold without limiting.
In some possible implementations of the embodiment of the present application, realization therapeutic community position provided by the above embodiment is tested
The method of card can also include：
When the difference of goal treatment center and planned treatment center is greater than second threshold, the plan of redefining is controlled
Center is treated, and goal treatment center is determined as initial markers center, target position is determined as initial position, weight
The new control therapeutic bed that executes is moved to initial position and subsequent step.
In the embodiment of the present application, when goal treatment center and the difference of planned treatment center are greater than or equal to
Second threshold needs to redefine planned treatment center at this time it may be considered that there is the case where tumour displacement.Doctor
Tumour current state is confirmed according to CT image, with above-mentioned treatment plan process different from, is readjusted in planned treatment
Heart position can be completed by executing ART (Adaptive Radiotherapy, adaptive radiation therapy) system, thus to meter
Therapeutic community position is drawn to be adjusted.Because planned treatment center is changed, needing will be in goal treatment at this time
Heart position is determined as initial markers center, recalculates initial markers according to the planned treatment center of readjustment
The position difference of center and planned treatment center.Therapeutic bed is moved back into target position, by target position at this time
It is re-used as initial position, executes the primary method provided by the embodiments of the present application for realizing therapeutic community's location verification again, with
The location verification for re-starting seance center fully ensures that the therapeutic community of radiation treatment is accurate.
In this way, the embodiment of the present application by the reset of therapeutic community and is controlled based on the medical accelerator of CT function is integrated with
The location verification at treatment center merges into a process.In this process, control therapeutic bed first is moved to initial position, according to first
Therapeutic bed is moved to target position by the position difference of beginning mark center position and planned treatment center, and position is marked at this time
Note equipment points to target label point position, installs index point in target label point；Then control therapeutic bed is moved to CT
Scan position carries out a CT scan, can determine the position of the index point in turn according to the CT data that CT scan exports
Determine goal treatment center；Goal treatment center is compared with planned treatment center, works as goal treatment
The difference of center and planned treatment center is less than first threshold, and it is accurate to represent goal treatment center, can will
Therapeutic bed moves back to target position and carries out successive treatment, completes therapeutic community's location verification.The process is with medical accelerator
Therapeutic room complete, without patient mobile between not chummery, significantly reduce that tumour in patient's moving process shifts can
Energy property, improves work efficiency, while the process at least only carries out a CT scan to patient, reduces the spoke of patient's receiving
It penetrates.
It is shown in Figure 5 in order to more completely illustrate the scheme of the embodiment of the present application, it shows the embodiment of the present application and mentions
The flow chart of another embodiment of the method for realizing therapeutic community's location verification of confession, may comprise steps of：
Step 501：Control therapeutic bed is moved to initial position, and initial position has corresponding close with initial markers center
System.
When carrying out therapeutic community's location verification, therapeutic bed is moved to below accelerator, and make above-mentioned initial markers
The position alignment of point position and the instruction of second position marking arrangement is indicated in initial markers point position and second position marking arrangement
Position alignment after, therapeutic bed is moved to initial position at this time.Initial marker locations are determined for initial markers centre bit
It sets, there is between initial position and initial markers center corresponding relationship at this time.
Step 502：The position difference for reading initial markers center and planned treatment center, according to position difference
It controls therapeutic bed and target position is moved to by initial position, so that second position marking arrangement points to target label point position,
Target label point position is for being arranged index point.
According to the position difference of initial markers center and planned treatment center, therapeutic bed is moved by initial position
It moves and eliminates the position deviation, the therapeutic bed after movement is to be moved to target position, and second position marking arrangement is directed toward at this time
Be target label point position.According to the prompt of second position marking arrangement, mark can be set on target label point position
Will point.
Step 503：Control therapeutic bed is moved to CT scan position, carries out CT scan, obtains the CT data of CT scan output.
In order to carry out therapeutic community's location verification, need for therapeutic bed to be moved to the CT scan position in integrated CT scan hole
Carry out CT scan is set, CT data are obtained, CT data can be used for CT image reconstruction.
Step 504：Goal treatment center is determined using the position of index point in CT data, and is obtained in goal treatment
The difference of heart position and planned treatment center.
The position that set multiple index points can be determined using CT data, can be true according to the position of multiple index points
Goal treatment center is made, so that goal treatment center and predetermined planned treatment center be compared
Compared with obtaining the difference of the goal treatment center Yu the planned treatment center, complete to goal treatment centre bit
The verifying set.
Step 505：Obtain the difference of the goal treatment center Yu the planned treatment center.
Step 506：When the difference of goal treatment center and planned treatment center is less than first threshold, control is controlled
It treats bed and is moved to target position, complete therapeutic community's location verification.
The first comparison result is that goal treatment center and the difference of planned treatment center are less than first threshold,
It represents goal treatment center to be verified, therapeutic bed can be moved back to above-mentioned target position can in order to successive treatment
Target position can also be recorded as the treatment position of current patents.
Step 507：When the difference of goal treatment center and planned treatment center is greater than or equal to first threshold
And it is less than second threshold, goal treatment center is determined as initial markers center.
Second comparison result is that the difference of goal treatment center and planned treatment center is greater than or equal to the
One threshold value and be less than second threshold, representing goal treatment center, there are deviations, need to readjust the treatment position of therapeutic bed
It sets.Goal treatment center at this time can be determined as initial markers center, and using above-mentioned target position as initial bit
It sets, returns to step 501.Since goal treatment center is determined according to target label point position, target label point
Position has a corresponding relationship with target position again, thus the initial markers center redefined and the initial position that redefines according to
So there is corresponding relationship.
Step 508：Target position is determined as initial position, returns to step 501.
Step 509：When the difference of goal treatment center and planned treatment center is greater than second threshold, again really
It works out a scheme therapeutic community position, and goal treatment center is determined as initial markers center.
The third comparison result is that the difference of goal treatment center and planned treatment center is greater than or equal to the
Two threshold values represent tumour there may be displacement, need to readjust planned treatment center.It can be by goal treatment at this time
Center is determined as initial markers center, and updates the position of initial markers center Yu planned treatment center
Difference, and using target position as initial position, return to step 501.
Step 510：Target position is determined as initial position, returns to step 501.
In this way, the embodiment of the present application by the reset of therapeutic community and is controlled based on the medical accelerator of CT function is integrated with
The location verification at treatment center merges into a process.It completes, is not necessarily in the therapeutic room with medical accelerator in this process
Mobile patient, significantly reduces a possibility that tumour shifts in patient's moving process between not chummery, improves work effect
Rate, while the process at least only carries out a CT scan to patient, reduces the radiation of patient's receiving.
It is shown in Figure 6, a kind of device for realizing therapeutic community's location verification provided in the embodiment of the present application is provided
The schematic diagram of embodiment may include：
First control unit 601 is moved to initial position for controlling therapeutic bed, in the initial position and initial markers
Heart position has corresponding relationship；
Second control unit 602, for reading the position of the initial markers center and planned treatment center
Difference controls the therapeutic bed according to the position difference and is moved to target position by initial position, so that the second position marks
Equipment points to target label point position, and the target label point position is for being arranged index point；
Third control unit 603 is moved to CT scan position for controlling the therapeutic bed, carries out CT scan, obtain institute
State the CT data of CT scan output；
First determination unit 604, for determining goal treatment center using the position of index point described in the CT data
Position, and obtain the difference of the goal treatment center Yu the planned treatment center；
4th control unit 605, for working as the difference of the goal treatment center and the planned treatment center
Value is less than first threshold, controls the therapeutic bed and is moved to the target position, completes therapeutic community's location verification.
In some possible implementations of the embodiment of the present application, described device further includes：
Second determination unit is big for the difference when the goal treatment center and the planned treatment center
In or equal to the first threshold and it is less than second threshold, the goal treatment center is determined as in the initial markers
The target position is determined as the initial position, returns to the first control unit by heart position.
In some possible implementations of the embodiment of the present application, described device further includes：
Third determination unit is big for the difference when the goal treatment center and the planned treatment center
In second threshold, redefine the planned treatment center, and by the goal treatment center be determined as it is described just
The target position is determined as the initial position, returns to the first control unit by beginning mark center position.
In some possible implementations of the embodiment of the present application, described device further includes：
Recording unit, for the difference when the goal treatment center and the planned treatment center less than the
One threshold value records treatment position of the target position as active user.
In some possible implementations of the embodiment of the present application, the initial markers center is according to initial markers point
Position determines that the initial markers point position is determined according to the instruction of first position marking arrangement.
In this way, the embodiment of the present application by the reset of therapeutic community and is controlled based on the medical accelerator of CT function is integrated with
The location verification at treatment center merges into a process.In this process, control therapeutic bed first is moved to initial position, according to first
Therapeutic bed is moved to target position, at this time second by the position difference of beginning mark center position and planned treatment center
Tagging equipment points to target label point position, installs index point in target label point；Then control therapeutic bed is mobile
To CT scan position, a CT scan is carried out, the position of institute's sticking sign point can be determined according to the CT data that CT scan exports
It sets and then determines goal treatment center；Goal treatment center is compared with planned treatment center, works as institute
The difference for stating goal treatment center and the planned treatment center is less than first threshold, represents goal treatment centre bit
It is accurate to set, and therapeutic bed can be moved back to target position and carry out successive treatment, complete therapeutic community's location verification.The process is having
There is the therapeutic room of medical accelerator to complete, without patient mobile between not chummery, significantly reduces in patient's moving process
A possibility that tumour shifts, improves work efficiency, while the process at least only carries out a CT scan to patient, reduces trouble
The radiation that person receives.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.For reality
For applying system or device disclosed in example, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of method for realizing therapeutic community's location verification, which is characterized in that the method includes：
Control therapeutic bed is moved to initial position, and the initial position and initial markers center have corresponding relationship；
The position difference for reading the initial markers center Yu planned treatment center is controlled according to the position difference
The therapeutic bed is moved to target position by initial position, so that second position marking arrangement points to target label point position,
The target label point position is for being arranged index point；
It controls the therapeutic bed and is moved to CT scan position, carry out CT scan, obtain the CT data of the CT scan output；
Goal treatment center is determined using the position of index point described in the CT data, and is obtained in the goal treatment
The difference of heart position and the planned treatment center；
When the difference of the goal treatment center and the planned treatment center is less than first threshold, controlled described in control
It treats bed and is moved to the target position, complete therapeutic community's location verification.
2. the method according to claim 1, wherein the method also includes：
When the difference of the goal treatment center and the planned treatment center is greater than or equal to the first threshold
And it is less than second threshold, the goal treatment center is determined as the initial markers center, by the target position
It sets and is determined as the initial position, re-execute the control therapeutic bed and be moved to initial position and subsequent step.
3. the method according to claim 1, wherein the method also includes：
When the difference of the goal treatment center and the planned treatment center is greater than second threshold, institute is redefined
Planned treatment center is stated, and the goal treatment center is determined as the initial markers center, it will be described
Target position is determined as the initial position, re-executes the control therapeutic bed and is moved to initial position and subsequent step.
4. the method according to claim 1, wherein the method also includes：
When the difference of the goal treatment center and the planned treatment center is less than first threshold, the mesh is recorded
Treatment position of the cursor position as active user.
5. the method according to claim 1, wherein the initial markers center is according to initial markers point
Determination is set, the initial markers point position is determined according to the instruction of first position marking arrangement.
6. a kind of device for realizing therapeutic community's location verification, which is characterized in that described device includes：
First control unit is moved to initial position, the initial position and initial markers center for controlling therapeutic bed
With corresponding relationship；
Second control unit, for reading the position difference of the initial markers center Yu planned treatment center, root
The therapeutic bed is controlled according to the position difference, target position is moved to by initial position, so that second position marking arrangement is directed toward
To target label point position, the target label point position is for being arranged index point；
Third control unit is moved to CT scan position for controlling the therapeutic bed, carries out CT scan, obtain the CT scan
The CT data of output；
First determination unit, for determining goal treatment center using the position of index point described in the CT data, and
Obtain the difference of the goal treatment center Yu the planned treatment center；
4th control unit, for the difference when the goal treatment center and the planned treatment center less than the
One threshold value controls the therapeutic bed and is moved to the target position, completes therapeutic community's location verification.
7. the apparatus according to claim 1, which is characterized in that described device further includes：
Second determination unit, be greater than for the difference when the goal treatment center and the planned treatment center or
Equal to the first threshold and it is less than second threshold, the goal treatment center is determined as the initial markers centre bit
It sets, the target position is determined as the initial position, returns to the first control unit.
8. the apparatus according to claim 1, which is characterized in that described device further includes：
Third determination unit is greater than for the difference when the goal treatment center and the planned treatment center
Two threshold values redefine the planned treatment center, and the goal treatment center are determined as the initial mark
Remember center, the target position is determined as the initial position, returns to the first control unit.
9. device according to claim 6, which is characterized in that described device further includes：
Recording unit, for when the difference of the goal treatment center and the planned treatment center is less than the first threshold
Value, records treatment position of the target position as active user.
10. device according to claim 6, which is characterized in that the initial markers center is according to initial markers point
Position determines that the initial markers point position is determined according to the instruction of first position marking arrangement.
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