CN109727236A - Acetabular bone defect assessment method and device, storage medium and processor - Google Patents
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Abstract
本发明公开了一种髋臼骨缺损的评估方法及装置、存储介质以及处理器。其中，该方法包括：获取待评估髋臼骨部位的三维影像数据；将三维影像数据调整至预设视角，得到处于预设视角下的三维影像数据；基于髋臼骨识别神经网络模型对处于预设视角下的三维影像数据进行评估，得到评估结果。本发明解决了由于相关技术中均是采用X光来进行髋臼骨缺损的评估，导致评估结果准确度较低的技术问题。
The invention discloses an evaluation method and device for acetabular bone defect, a storage medium and a processor. The method includes: acquiring three-dimensional image data of the acetabular bone to be evaluated; adjusting the three-dimensional image data to a preset viewing angle to obtain three-dimensional image data at the preset viewing angle; The 3D image data under the viewing angle is set for evaluation, and the evaluation results are obtained. The invention solves the technical problem that the accuracy of the evaluation result is low because X-rays are used to evaluate the acetabular bone defect in the related art.
Description
Technical field
The present invention relates to field of medical technology, and appraisal procedure and device in particular to a kind of acetabular bone defect are deposited
Storage media and processor.
Background technique
With receive the patients with total hip replacement age constantly increase and activity increase, hip revision perform the operation quantity
Constantly increase.It is many reason of needing row hip revision operation to cause first replacement of total hip unsuccessfully, there is the poly- second of infection, prosthese
The abrasion of alkene liner and prosthese habitual dislocation etc..The dissolution of Periprosthetic bone caused by prosthesis wear clast, and then cause prosthese sterile
Property loosen, always be implement hip revision operation main reason.The hip revision after the failure of first hip replacement
Art, acetabular bone side defect repair reconstruction operations strategy and surgical technic are one of the challenges to orthopedist.
The assessment of acetabular bone defect parting it is intended that operative doctor provides more specifically anatomic information, suffer from by entry evaluation operation
Person may retain the number of bone amount.In face of the hip revision operation patient increased increasingly, acetabular bone defect treatment principle is to the greatest extent may be used
It can restore and save patient's bone amount, obtain enough prosthese coverage rates to ensure that prosthese good initial stage stablizes, make bone grafting and interior
Amalgamation redistribution is generated between glove and host bone.Prosthese initial stage stabilization can guarantee sufficient bone fusion and the long people of bone, and good
The good long people of bone facilitates acetabular component component long term stabilization and survival rate.It is preoperative to fully understand patient's bone defect situation, and
Parting is carried out to bone defect to formulate Surgical treatment, the inner matter that may be needed in adequate preparation art.
It is acetabular bone defect that hip revision operation acetabular bone, which stresses to build the main problem faced, preoperative evaluation frequently with
Paprosky parting, U.S. orthopedist learn (AAOS) parting, Saleh parting, Gustilo parting and Gross parting etc.,
Middle Paprosky and AAOS parting is clinically most widely used.Hip clinically is implemented to the slight bone defect patient of acetabular bone at present
Skeleton animation art acetabular bone side Reconstruction Strategy is more consistent, but to the bone grafting, metallic in-laid object, bone water of acetabular bone severe bone defect patient
The selections such as mud application then remain dispute.Traditional classifying method is based on X-ray to be assessed, and accuracy is lower.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of appraisal procedure of acetabular bone defect and device, storage medium and processor,
At least to solve to lead to assessment result accuracy due to being the assessment for carrying out acetabular bone defect using X-ray in the related technology
Lower technical problem.
According to an aspect of an embodiment of the present invention, provide a kind of appraisal procedure of acetabular bone defect, comprising: obtain to
Assess the 3-dimensional image data of acetabular bone bony site；The 3-dimensional image data point reuse to default visual angle is obtained in described pre-
If the 3-dimensional image data under visual angle；Based on acetabular bone identification neural network model to the three-dimensional shadow under the default visual angle
As data are assessed, assessment result is obtained, wherein the acetabular bone identification neural network model is the institute by preset quantity
State what the 3-dimensional image data training under default visual angle obtained.
Further, the 3-dimensional image data for obtaining acetabular bone bony site to be assessed include: to be obtained according to default imaging method
The bidimensional image data of acetabular bone bony site to be assessed；Reverse process is carried out to the bidimensional image data, obtains 3-dimensional image number
According to.
Further, the default imaging method includes following one: CT scan CT imaging, nuclear-magnetism are total
Vibration imaging.
Further, by the 3-dimensional image data point reuse to default visual angle, three under the default visual angle are obtained
Dimension image data includes: to obtain the 3-dimensional image data point reuse to limbus of acetabulum planar process phase visual angle in plane angle
3-dimensional image data；And/or by the 3-dimensional image data point reuse to being parallel to human coronary face, to being parallel to human coronary
The acetabular bone center of the 3-dimensional image data in face carries out cutting, obtains the 3-dimensional image data in cutting visual angle.
Further, based on acetabular bone identification neural network model to the 3-dimensional image data under the default visual angle
It is assessed, obtaining assessment result includes: that the 3-dimensional image data in plane angle are divided into the first preset quantity
First area；Determine the assessment result of each first area；It is determined according to the assessment result of each first area
The assessment result.
Further, based on acetabular bone identification neural network model to the 3-dimensional image data under the default visual angle
It is assessed, obtaining assessment result includes: to be divided into the second preset quantity in the 3-dimensional image data at cutting visual angle for described
Second area；Determine the assessment result of each second area；It is determined according to the assessment result of each second area
The assessment result.
According to another aspect of an embodiment of the present invention, a kind of assessment device of acetabular bone defect is additionally provided, comprising: obtain
Unit, for obtaining the 3-dimensional image data of acetabular bone bony site to be assessed；Adjustment unit is used for the 3-dimensional image data tune
Whole to default visual angle obtains the 3-dimensional image data under the default visual angle；Assessment unit, for being identified based on acetabular bone
Neural network model assesses the 3-dimensional image data under the default visual angle, obtains assessment result, wherein described
Acetabular bone identification neural network model is that the 3-dimensional image data training under the default visual angle by preset quantity obtains.
Further, the acquiring unit includes: acquisition module, for obtaining acetabular bone to be assessed according to default imaging method
The bidimensional image data of bony site；Processing module obtains 3-dimensional image for carrying out reverse process to the bidimensional image data
Data.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, the storage medium includes storage
Program, wherein equipment where controlling the storage medium in described program operation executes acetabular bone defect as described above
Appraisal procedure.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, the processor is used to run program,
Wherein, the appraisal procedure of acetabular bone defect as described above is executed when described program is run.
In embodiments of the present invention, the 3-dimensional image data of acetabular bone bony site to be assessed are obtained；By 3-dimensional image data tune
Whole to default visual angle obtains the 3-dimensional image data under default visual angle；Based on acetabular bone identification neural network model to place
3-dimensional image data under default visual angle are assessed, and assessment result is obtained, using based on the multiple views of acetabular bone three-dimensional data
Acetabular bone defect degree is evaluated at angle, improves acetabular bone defect assessment accuracy, is realized effectively assessment acetabular bone and is lacked
The technical effect of damage, and then solve due to being the assessment for carrying out acetabular bone defect using X-ray in the related technology, cause to comment
Estimate the lower technical problem of result precision.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of the appraisal procedure of optional acetabular bone defect according to an embodiment of the present invention；
Fig. 2 is a kind of optional acetabular bone 3-dimensional image schematic diagram data according to an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of the assessment device of optional acetabular bone defect according to an embodiment of the present invention；
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of appraisal procedure of acetabular bone defect is provided, as shown in Figure 1, this method comprises:
S102 obtains the 3-dimensional image data of acetabular bone bony site to be assessed；
3-dimensional image data point reuse to default visual angle is obtained the 3-dimensional image data under default visual angle by S104；
S106 comments the 3-dimensional image data under default visual angle based on acetabular bone identification neural network model
Estimate, obtain assessment result, wherein acetabular bone identification neural network model is the three-dimensional shadow under the default visual angle by preset quantity
As data training obtains.
Hip revision operation acetabular bone stresses to build the main problem faced to be acetabular bone defect in the related technology, clinically right
Acetabular bone is slight, and bone defect patient implementation hip revision operation acetabular bone side Reconstruction Strategy is more consistent, but suffers to acetabular bone severe bone defect
In the selection courses such as bone grafting, metallic in-laid object, the bone cement application of person, general use is assessed based on X-ray, accuracy
It is lower.
And in embodiments of the present invention, the preliminary two dimension of hipbone is obtained by using imaging methods such as CT or nuclear magnetic resonance
Image data obtains the 3-dimensional image data with acetabular bone bony site to be assessed based on bidimensional image data.It is three-dimensional by building
Image data can facilitate and assess the defect situation of acetabular bone.
In actual application scenarios, the defect degree of acetabular bone is more difficult accurately to be observed, therefore, in this implementation
In example, the 3-dimensional image data by obtaining acetabular bone to be assessed are in by 3-dimensional image data point reuse to default visual angle
3-dimensional image data under default visual angle.The adjustment is including but not limited to rotated, translated, dividing and other methods of adjustment,
After being adjusted processing to 3-dimensional image data, the 3-dimensional image data under default visual angle are obtained.By observation in pre-
If the 3-dimensional image data under visual angle, acetabular bone can be intuitively observed with the presence or absence of defect.
In the present embodiment, acetabular bone identification neural network model is three under default visual angle by preset quantity
Dimension image data training obtains.That is, by 3-dimensional image data and corresponding defect situation under certain amount,
The training for carrying out neural network obtains acetabular bone identification neural network model, which identifies that neural network model can be to place
3-dimensional image data under default visual angle are assessed.
And in another preferred technical solution, it can be the bidimensional image data to the acetabular bone of certain predetermined quantity
It is trained, and then obtains acetabular bone identification neural network model.The acetabular bone identification mind obtained by the training of bidimensional image data
Directly bidimensional image data directly can be assessed through network model, bidimensional image data are corresponded to without carrying out
Processing.
Optionally, in the present embodiment, the 3-dimensional image data for obtaining acetabular bone bony site to be assessed include but is not limited to: root
The bidimensional image data of acetabular bone bony site to be assessed are obtained according to default imaging method；Reverse process is carried out to bidimensional image data,
Obtain 3-dimensional image data.
Specifically, being illustrated by taking CT imaging technique as an example, the CT tomoscan medicine of acetabular bone bony site to be assessed is obtained
Image simultaneously obtains two-dimensional medical image DICOM data, and two-dimensional medical image DICOM data are imported medical image processing software
In, carrying out sequence of operations for DICOM data in medical image processing software is inversely three-dimensional data.
Optionally, in the present embodiment, default imaging method includes following one: CT scan CT at
Picture, Magnetic resonance imaging.By above-mentioned default imaging method, the bidimensional image data that can be output it inversely are converted to three
Tie up image data.
Optionally, in the present embodiment, it by 3-dimensional image data point reuse to default visual angle, obtains under default visual angle
3-dimensional image data include but is not limited to: 3-dimensional image data point reuse to limbus of acetabulum planar process phase visual angle is obtained in plane
The 3-dimensional image data at visual angle；And/or 3-dimensional image data point reuse is preced with to human coronary face is parallel to human body is parallel to
The acetabular bone center of the 3-dimensional image data in shape face carries out cutting, obtains the 3-dimensional image data in cutting visual angle.
Specifically, (a) is in plane angle in Fig. 2 in acetabular bone 3-dimensional image schematic diagram data as shown in Figure 2
3-dimensional image data, (b) is the 3-dimensional image data in cutting visual angle in Fig. 2.
Optionally, in the present embodiment, based on acetabular bone identification neural network model to the three-dimensional under default visual angle
Image data is assessed, and is obtained assessment result and is included but is not limited to: the 3-dimensional image data in plane angle are divided into
The first area of first preset quantity；Determine the assessment result of each first area；According to the assessment result of each first area
Determine assessment result.
Specifically, being still illustrated by taking Fig. 2 as an example, the three-dimensional data of acetabular bone bony site is adjusted to limbus of acetabulum plane normal direction
Visual angle, if as shown in Fig. 2, acetabular bone bony site is divided by concentric circles and radial auxiliary line on limbus of acetabulum plane normal direction visual angle
Dry first area, first area can be numbered according to certain rule, convenient for record, such as " 1 " " 2 " " 3 " " ... " in figure；Really
Whether fixed each first area occurs bone defect, for shown in Fig. 2, if bone defect occurs for acetabular bone ring at " 1 " " 2 ", observes
As a result " 1 " " 2 " are recorded, if bone defect occurs for acetabular bone ring at " 1 " " 3 ", result is observed and records " 1 " " 3 "；If on the inside of acetabular bone
There are bone defects for wall.
Optionally, in the present embodiment, based on acetabular bone identification neural network model to the three-dimensional under default visual angle
Image data is assessed, and is obtained assessment result and is included but is not limited to: the 3-dimensional image data in cutting visual angle are divided into
The second area of second preset quantity；Determine the assessment result of each second area；According to the assessment result of each second area
Determine assessment result.
Specifically, being still illustrated by taking Fig. 2 as an example, the three-dimensional data of acetabular bone bony site is adjusted to human coronary face, and
Cutting is carried out at acetabular bone center, cutting visual angle is obtained, as shown in Fig. 2, being parallel to the cutting that human coronary face is located at acetabular bone center
Circular arc auxiliary line on visual angle is illustrated as the position after acetabular cup is put into, and acetabular bone bony site is divided into several second areas,
Second area can be numbered according to certain rule, be labeled as " A " convenient for record, such as inner sidewall of acetabular bone in figure.If acetabular bone
There are bone defects for inner sidewall, then result is recorded as " A- ", if acetabular bone inner sidewall, without bone defect, result is recorded as " A+ ".
It should be noted that in the above-described embodiments, it can be independent according to the 3-dimensional image data for being in plane angle, or
The damage condition that acetabular bone is individually judged according to the 3-dimensional image data in cutting visual angle, the two can also be combined
Judge the defect situation of acetabular bone, can be specifically configured according to actual experience.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 2
According to embodiments of the present invention, it additionally provides a kind of for implementing the acetabular bone of the appraisal procedure of above-mentioned acetabular bone defect
The assessment device of defect, as shown in figure 3, the device includes:
1) acquiring unit 30, for obtaining the 3-dimensional image data of acetabular bone bony site to be assessed；
2) adjustment unit 32, for by the 3-dimensional image data point reuse to default visual angle, obtaining in the default view
3-dimensional image data under angle；
3) assessment unit 34, for identifying neural network model to the three-dimensional under the default visual angle based on acetabular bone
Image data is assessed, and assessment result is obtained, wherein the acetabular bone identification neural network model is by preset quantity
What the 3-dimensional image data training under the default visual angle obtained
Optionally, in the present embodiment, the acquiring unit 30 includes:
1) module is obtained, for obtaining the bidimensional image data of acetabular bone bony site to be assessed according to default imaging method；
2) processing module obtains 3-dimensional image data for carrying out reverse process to the bidimensional image data.
Optionally, the specific example in the present embodiment can be with reference to example described in above-described embodiment 1, the present embodiment
Details are not described herein.
Embodiment 3
According to embodiments of the present invention, a kind of storage Jie for implementing the appraisal procedure of above-mentioned acetabular bone defect is additionally provided
Matter, the storage medium include the program of storage, wherein equipment where controlling the storage medium in described program operation is held
The appraisal procedure of row acetabular bone defect as described above.
Optionally, in the present embodiment, storage medium is arranged to store the program code for executing following steps:
S1 obtains the 3-dimensional image data of acetabular bone bony site to be assessed；
The 3-dimensional image data point reuse to default visual angle is obtained the 3-dimensional image under the default visual angle by S2
Data；
S3 comments the 3-dimensional image data under the default visual angle based on acetabular bone identification neural network model
Estimate, obtain assessment result, wherein the acetabular bone identification neural network model is under the default visual angle by preset quantity
The training of 3-dimensional image data obtain.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or
The various media that can store program code such as CD.
Optionally, the specific example in the present embodiment can be with reference to example described in above-described embodiment 1, the present embodiment
Details are not described herein.
Embodiment 4
The embodiments of the present invention also provide a kind of processors.Optionally, in the present embodiment, the upper processor is used for
Run program, wherein described program executes the appraisal procedure of acetabular bone defect as described above when running.
Optionally, in the present embodiment, processor is arranged to be used for executing the program code of following steps:
S1 obtains the 3-dimensional image data of acetabular bone bony site to be assessed；
The 3-dimensional image data point reuse to default visual angle is obtained the 3-dimensional image under the default visual angle by S2
Data；
S3 comments the 3-dimensional image data under the default visual angle based on acetabular bone identification neural network model
Estimate, obtain assessment result, wherein the acetabular bone identification neural network model is under the default visual angle by preset quantity
The training of 3-dimensional image data obtain.
Optionally, storage medium is also configured to store for executing step included in the method in above-described embodiment 1
Rapid program code repeats no more this in the present embodiment.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
If the integrated unit in above-described embodiment is realized in the form of SFU software functional unit and as independent product
When selling or using, it can store in above-mentioned computer-readable storage medium.Based on this understanding, skill of the invention
Substantially all or part of the part that contributes to existing technology or the technical solution can be with soft in other words for art scheme
The form of part product embodies, which is stored in a storage medium, including some instructions are used so that one
Platform or multiple stage computers equipment (can be personal computer, server or network equipment etc.) execute each embodiment institute of the present invention
State all or part of the steps of method.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed client, it can be by others side
Formula is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, and only one
Kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
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