A kind of atlas pivot surgery simulation system and its analogy method based on three-dimensional visualizationTechnical field
The present invention relates to Medical Image Processing and application field, a kind of specifically atlas pivot based on three-dimensional visualizationSurgery simulation system and its analogy method.
Background technology
Disease of atlas and axis is clinically relatively conventional, contains vital center in spinal cord since the area prolongs, the harmfulness of illnessOr potential risk is larger, and atlas and axis position is deep in, treatment more difficulty complicated with dissection, if directly carried out clinicalTreatment, it is not difficult there is only treatment, and there is very big risk, with the fast development of science and technology, Modern medical therapy meansQuick development has also been obtained accordingly with computer technology, how to be realized and is measured, simulates and risk analysis before surgeryOne of current important research direction is become.
Invention content
The purpose of the present invention is to solve of the prior art there are the defects of harmfulness is big, treatment is difficult, one is providedAtlas pivot surgery simulation system and its analogy method based on three-dimensional visualization are planted to solve the above problems.
To achieve these goals, technical scheme is as follows：The invention discloses one kind to be based on three-dimensional visualizationAtlas pivot surgery simulation system, including：Database interactive module, database module, three-dimensional reconstruction module, operation plan designModule, simulation surgical modules, operation risk analysis and reply module, prognostic analysis module, the database interactive module are usedIn being loaded into data information, image data, and the data information that is loaded onto, image data are sent to database module, the numberThe planning of atlas and axis operation plan is provided according to library module and simulates required feature and information, for operation plan design, operation windDanger analysis and reply, prognostic analysis, the three-dimensional reconstruction module are used to receive the atlas and axis operation side of database module transmissionCase planning simulates required feature and information, and realize the three-dimensional reconstruction of the bone at atlas and axis position, blood vessel structure, and by threeDimension rebuilds the 3-dimensional image model formed and is sent to operation plan design module, and the operation plan designs module to Three-dimensional GravityModeling block establish 3-dimensional image model analyzed and processed, carry out operation plan design, the simulation surgical modules according toThe operation plan of operation plan design module is simulated, and is placed prosthese, screw in simulation operation, is generated guide plate, and leadSlab, operation risk analysis and reply module are to the various simulation operation plan combination databases of simulation surgical modulesMould aggregation of data analysis operation risk in the block, takes counter-measure.
Preferably, the atlas pivot surgery simulation system based on three-dimensional visualization of the present invention, further includes prognostic analysis mouldBlock, the prognostic analysis module predicts the effect of simulation operation plan, analyzes possible prognosis.
The present invention also provides the analogy method of the above-mentioned atlas pivot surgery simulation system based on three-dimensional visualization, stepsIt is as follows：
Step 1：Establish database
Data information, image data are loaded into using database interactive module, atlas and axis operation plan planning simulation institute is providedThe feature and information needed, and the data information that is loaded onto, image data are sent to database module, the database moduleThe planning of atlas and axis operation plan is provided and simulates required feature and information, database is established with this, designed for operation plan,Operation risk is analyzed and reply, prognostic analysis；
Step 2：Three-dimensional reconstruction：
Using CT, MR image, according to the medical image feature of atlas and axis bone and blood vessel, established using three-dimensional reconstruction moduleThe threedimensional model of atlas and axis；
Step 3：Operation plan designs and simulation operation
According to the 3-D view of atlas and axis, operation plan design module is analyzed and processed, and carries out operation plan design, mouldIntend surgical modules using default guide plate type, screw position in simulation operation places screw way model, reuses guide plate tool, rawInto guide plate model；
Step 4：Risk analysis
Before screw hammers into and after hammering into, atlas and axis endoporus area is compared, according to 3-D view medium vessels position, assessmentOperation plan, designed according to operation plan, simulate operation as a result, with reference to data information in database, using operation risk pointAnalysis and reply analysis and the prognostic analysis that operation risk should be carried out to module and prognostic analysis module.
Preferably, data information includes name, gender, age, medical history, illness information in the step one, it is describedThe scanning computed tomography of image data including atlas and axis position, MR, STL data.
The present invention has the following advantages compared with prior art：
The atlas pivot surgery simulation system based on three-dimensional visualization of the present invention can efficiently use image resource, effectivelyIt realizes the medical image segmentation and three-dimensional modeling of atlas and axis, and combines the design of atlas and axis multiple analog operation plan, operation mouldIntend, operation risk analysis and reply, prognostic analysis, avoid directly using clinical operation and the treatment difficulty that occurs is big, existThe defects of security risk and Operative risk.
Description of the drawings
Fig. 1 is a kind of system block diagram of the atlas pivot surgery simulation system based on three-dimensional visualization of the present invention；
Fig. 2 is the present invention a kind of atlas pivot surgery simulation system and its simulation side based on three-dimensional visualization in embodiment 1The flow chart of method.
Wherein：Database interactive module 1, database module 2, three-dimensional reconstruction module 3, operation plan design module 4, simulationSurgical modules 5, operation risk analysis and reply module 6, prognostic analysis module 7.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferableEmbodiment and attached drawing cooperation detailed description, are described as follows：
As shown in Figs. 1-2, the invention discloses a kind of atlas pivot surgery simulation system based on three-dimensional visualization, including：Database interactive module 1, database module 2, three-dimensional reconstruction module 3, operation plan design module 4, simulation surgical modules 5, handArt risk analysis and reply module 6, the database interactive module 1 are used to be loaded into data information, image data, and be loaded ontoData information, image data be sent to database module 2, the database module 2 provides the planning of atlas and axis operation planRequired feature and information are simulated, for operation plan design, operation risk analysis and is coped with, prognostic analysis, described threeDimension rebuilds module 3 and simulates required feature and information for receiving the atlas and axis operation plan planning of the transmission of database module 2,And realize the three-dimensional reconstruction of the bone at atlas and axis position, blood vessel structure, and the 3-dimensional image model that three-dimensional reconstruction is formed is sentModule 4, the 3-dimensional image model that operation plan design module 4 establishes three-dimensional reconstruction module 3 are designed to operation planIt is analyzed and processed, carries out operation plan design, the simulation surgical modules 5 design the operation side of module according to operation planCase is simulated, and is placed prosthese, screw in simulation operation, is generated guide plate, and export guide plate model, operation risk analysisAnd the aggregation of data in various simulation operation plan combination database modules 2 of the reply module 6 to simulating surgical modules 5 analyzes handArt risk, takes counter-measure.
Preferably, the atlas pivot surgery simulation system based on three-dimensional visualization of the present invention, further includes prognostic analysis mouldBlock 7, the prognostic analysis module 7 predicts the effect of simulation operation plan, analyzes possible prognosis.
The present invention also provides the analogy method of the above-mentioned atlas pivot surgery simulation system based on three-dimensional visualization, stepsIt is as follows：
Step 1：Establish database
Data information, image data are loaded into using database interactive module 1, atlas and axis operation plan planning simulation institute is providedThe feature and information needed, and the data information that is loaded onto, image data are sent to database module 2, the database mouldBlock 2 provides the planning of atlas and axis operation plan and simulates required feature and information, establishes database with this, is set for operation planMeter, operation risk analysis and reply, prognostic analysis；
Step 2：Three-dimensional reconstruction：
Using CT, MR image, according to the medical image feature of atlas and axis bone and blood vessel, built using three-dimensional reconstruction module 3The threedimensional model of vertical atlas and axis；
Step 3：Operation plan designs and simulation operation
According to the 3-D view of atlas and axis, operation plan design module 4 is analyzed and processed, and carries out operation plan design,Surgical modules 5 are simulated using default guide plate type, screw position in simulation operation places screw way model, reuses guide plate tool,Generate guide plate model；
Step 4：Risk analysis
Before screw hammers into and after hammering into, atlas and axis endoporus area is compared, according to 3-D view medium vessels position, assessmentOperation plan, designed according to operation plan, simulate operation as a result, with reference to data information in database, using operation risk pointAnalysis and reply analysis and the prognostic analysis that operation risk should be carried out to module 6 and prognostic analysis module 7.
Preferably, data information includes name, gender, age, medical history, illness information in the step one, it is describedThe scanning computed tomography of image data including atlas and axis position, MR, STL data.
Embodiment 1
With reference to Fig. 2, the present invention includes the following steps：
Step 1：Database interactive module 1 and database module 2：Database interactive module 1 handles human-computer interaction, importsIn data to data library, database includes essential information, and including name, gender, age, medical history, illness, image data providesRequired feature and information are simulated in the planning of atlas and axis operation plan, for operation plan design and risk analysis；
The image data includes CT data, MR data, and three-dimensional reconstruction module is supplied to use；
The database can use the platform buildings such as Oracle, MySQL, SQL Server；
Step 2：Three-dimensional reconstruction：Image data in reading database establishes atlas and axis portion using three-dimensional reconstruction module 3The bone of position, the threedimensional model of blood vessel read image data, using the separation calculation of dynamic self-adapting region growing using ITKMethod sets gray threshold, a seed point is selected to call ITK algorithms libraries as initial point, rebuild in bone, angiosomesGo out bone, vascular pattern；
Step 3：Operation plan designs and simulation operation：Operation plan designs bone, blood vessel mould of the module 4 according to reconstructionType, the data in integrated database, passes through the relevant parameters such as length, volume, surface area, analysing patient's condition and needs in measurement modelThe operation plan taken；
It simulates surgical modules 5 and guide plate, prosthesis type is selected according to operation plan, generate screw, hand in graphics automaticallyDynamic adjusting screw position, angle, setting thickness, length, in simulation process, change of the structure realistic simulation bone in surgical procedureShape process prompts screw after the completion of bone surface, the safe distance of blood vessel, screw placement in time, generation guide plate, prosthese,And stl file form is exported, for 3D printing.
Step 4：Operation risk is analyzed and coped with and prognostic analysis：Module 6 and prognostic analysis are analyzed and coped with to operation riskInformation and operation plan design, the result of simulation operation in 7 integrated database of module carry out risk analysis and reply and prognosisAnalysis.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industryPersonnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present inventionPrinciple, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation andImprovement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and itsEquivalent defines.