CN109528282A - A kind of preparation method customizing shin bone locking steel plate - Google Patents
A kind of preparation method customizing shin bone locking steel plate Download PDFInfo
- Publication number
- CN109528282A CN109528282A CN201811228503.9A CN201811228503A CN109528282A CN 109528282 A CN109528282 A CN 109528282A CN 201811228503 A CN201811228503 A CN 201811228503A CN 109528282 A CN109528282 A CN 109528282A
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- CN
- China
- Prior art keywords
- steel plate
- shin bone
- locking steel
- bone locking
- printing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
Abstract
The invention discloses a kind of preparation methods for customizing shin bone locking steel plate, the CT+MRI medical image of wherein patient is done into entity extraction based on the medical instrument system in cloud, generate the stl file of 3D Object, 64 software reconstructing three-dimensional model of Geomagic Design X is being used, it wherein can be according to the customizing model locking steel plate of the shin bone extent of damage and proximal end stress condition adaptability in reconstruction process.Prepared shin bone locking steel plate has meltable and adaptability, improve the design process of traditional shin bone locking steel plate, it reduces design difficulty and improves production efficiency, fix it safer reliable, it is flexible with modeling, the advantages that rapid shaping, plate Anawgy accuracy are high, stability is high, and use the locking steel plate after degradation material can natural degradation when people's bone bone restores to be formed over time, the risk and damage of secondary disassembly operation are avoided with this.
Description
Technical field
The research and development technology field for rebuilding auxiliary instrument is resetted the present invention relates to fracture of tibia, it is specifically a kind of both to melt
The preparation method for the customization shin bone locking steel plate being suitable for again.
Background technique
Fracture of tibial plateau is kneed common fracture, often due to caused by serious violence damage, malpractice Chang Yanchong
Knee joint function is influenced, therefore treats the problem that fracture of tibial plateau is always orthopaedic trauma.
The purpose for treating fracture of tibial plateau is to reset the bone fragment for collapsing and cleaving, and restores the smooth of articular surface, entangles
Just in knee or Varus deformity reduces the generation of traumatic arthritis, keeps the integrality of ligament, and prevention or reduction adhesion
Occur.
Shin bone locking steel plate changes the biography between bone plate and bone based on frictional force as a kind of inner fixed support
System fixed mode, farthest protects the blood supply of periosteum and bone, so as to shorten the time of union, reduces
The incidence of nonunion.
The screw of shin bone locking steel plate proximal end is designed using lock screw, which has frame structure, by right
The broken bone block of nearly articular surface and cancellous bone fracture end use angulation stable type padlock screw and steel plate phase padlock, and pass through self-drilling
The fixed fracture other end of os integumentale screw makes there is angulation stability, to be formed between steel plate and screw similar to the frame in building
Frame structure can be obtained the support to articular surface and the stabilization of entirety.It can avoid the loss of the reduction of the fracture, postoperative permission after fixation
Early recovery is carried out, the generation of knee joint trauma Osteoarthritis is effectively reduced.
The screw and steel plate of locking can be used as an entirety, reduce the torque between nail and bone plate, for longitudinal direction
Stress screw will not be displaced relative to steel plate, avoid losing for the reduction of the fracture caused by due to screw loosening or extraction
It loses, is particularly suitable for the fixation of osteoporotic fracture.
At present artificial joint prosthesis clinically to the design of its form, surface treatment, material selection, manufacturing process and
Packaging has very strict requirements, but there are still the unstable factors such as prosthesis wear, infection, loosening for artificial joint prosthesis.State
Interior normalized artificial joint prosthesis at present is not able to satisfy the demand that its adaptability is precisely treated, the measure prostheses design of adaptability
Process is complicated, and time demand is big and cost is high.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of preparation methods for customizing shin bone locking steel plate, pass through the party
The shin bone locking steel plate of method preparation, realizes meltable and adaptability, has modeling flexibly, rapid shaping, plate fitting essence
The advantages that degree is high, stability is high, and locking steel plate can be natural when people's bone bone restores to be formed over time
Degradation avoids the risk and damage of secondary disassembly operation with this.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: provide a kind of customization shin bone locking
The preparation method of steel plate, comprising the following specific steps
Step 1: according to the position of fracture of tibia, one is selected to lock in material depot with the matched simulation shin bone of fracture of tibia
Steel plate and the threedimensional model for obtaining simulation shin bone locking steel plate, by the three-dimensional of the threedimensional model of shin bone and simulation shin bone locking steel plate
Model is with the preservation of STL format；
Step 2: the threedimensional model of the simulation shin bone locking steel plate of the STL format of acquisition is imported in reverse engineering software and is carried out
The contour line of shin bone and the song of construction shin bone locking steel plate are drawn in curved surface optimization according to the shin bone extent of damage and stress condition cooperation
Dough sheet finally generates shin bone locking steel plate hypostazation model according to the fitting surface of contour line and patch；
Step 3: on the basis of shin bone locking steel plate hypostazation model, in conjunction with the porous knot of patient's sclerotin situation design flexibility
Structure and design screw way position, reduce soft tissue injury to the greatest extent, reduce with serious soft tissue injury when facilitating operation
Fracture of tibia carry out open reduction and Kirschner wire fixation complication risk；
Step 4: the threedimensional model of the shin bone locking steel plate of the STL format of acquisition is imported into 3D printing terminal, adds 3D printing branch
Support, according to printing technology generate shin bone locking steel plate mimeograph documents, select 3D printing material, complete shin bone locking steel plate at
Type printing, obtains shin bone locking steel plate entity finished product.
In a preferred embodiment of the present invention, the reverse engineering software is Geomagic Wrap, Geomagic
Design, Solidworks or UG NX 3 d modeling software.
In a preferred embodiment of the present invention, the 3D printing material is degradable Medical magnesium alloy material JDBM.
The beneficial effects of the present invention are: the preparation method of customization shin bone locking steel plate of the invention, prepared shin bone lock
Steel plate is determined with meltable and adaptability, is improved the design process of traditional shin bone locking steel plate, is reduced design difficulty
And production efficiency is improved, it fixes it safer reliable, there is modeling flexibly, rapid shaping, plate Anawgy accuracy are high, steady
The advantages that qualitative high, and using the locking steel plate after degradation material can be fixed in the recovery of people's bone bone over time
Natural degradation when type avoids the risk and damage of secondary disassembly operation with this.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the flow chart of a preferred embodiment of the preparation method of present invention customization shin bone locking steel plate.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the present invention includes:
A kind of preparation method customizing shin bone locking steel plate, comprising the following specific steps
Step 1: according to the position of fracture of tibia, one is selected to lock in material depot with the matched simulation shin bone of fracture of tibia
Steel plate and the threedimensional model for obtaining simulation shin bone locking steel plate, by the three-dimensional of the threedimensional model of shin bone and simulation shin bone locking steel plate
Model is with the preservation of STL format；
Step 2: the threedimensional model of the simulation shin bone locking steel plate of the STL format of acquisition is imported in reverse engineering software and is carried out
The contour line of shin bone and the song of construction shin bone locking steel plate are drawn in curved surface optimization according to the shin bone extent of damage and stress condition cooperation
Dough sheet finally generates shin bone locking steel plate hypostazation model according to the fitting surface of contour line and patch；
Step 3: on the basis of shin bone locking steel plate hypostazation model, in conjunction with the porous knot of patient's sclerotin situation design flexibility
Structure and design screw way position, reduce soft tissue injury to the greatest extent, reduce with serious soft tissue injury when facilitating operation
Fracture of tibia carry out open reduction and Kirschner wire fixation complication risk；
Step 4: the threedimensional model of the shin bone locking steel plate of the STL format of acquisition is imported into 3D printing terminal, adds 3D printing branch
Support, according to printing technology generate shin bone locking steel plate mimeograph documents, select 3D printing material, complete shin bone locking steel plate at
Type printing, obtains shin bone locking steel plate entity finished product.
Among the above, the reverse engineering software be Geomagic Wrap, Geomagic Design, Solidworks or
UG NX 3 d modeling software；The 3D printing material is that degradable Medical magnesium alloy material JDBM(hands over big biological magnesium).
Embodiment one, as shown in Figure 1:
1. the characteristics of CT+MRI medical image Scan orientation picture is according to check point is carried out, to determine that scanning normotopia or side position are fixed
Position picture:
According to the length of check point, to determine the length of positioning picture, during scanning, operator will examine the aobvious of image
Show and the case where examinee, after end exposure, observes whether whole scan images show clearly, acquire out complete imaging number
According to by the imaging data importing three-dimensional reconstruction software progress image processing operations of acquisition.
2. the threedimensional model of acquisition is imported 3 d modeling software, further according to patient bone in carrying out three-dimensional model reconfiguration
Adaptive modelling is carried out at folding:
According to the position of fracture of tibia, one and the matched simulation shin bone locking steel plate of fracture of tibia are selected in material depot, is obtained
The threedimensional model of shin bone locking steel plate is imported march in reverse engineering software by the threedimensional model that must simulate shin bone locking steel plate
Face optimization, according to contour line, the construction shin bone locking steel plate curved surface of the drafting shin bone that the shin bone extent of damage and stress condition cooperate
Piece finally generates shin bone locking steel plate hypostazation model according to the fitting surface of contour line and patch.
3. on the basis of shin bone locking steel plate hypostazation model, in conjunction with patient's sclerotin situation design flexibility porous structure,
Screw way position is designed with optimum position, reduces soft tissue injury when facilitating operation to the greatest extent, is reduced with soft group serious
The fracture of tibia for knitting damage carries out the complication risk of open reduction and Kirschner wire fixation.
4. shin bone locking steel plate threedimensional model blank is imported in finite simulation element analysis software, optimize sliding eye and static(al)
The position in hole, judges whether Finite element analysis results reach desired design target, if reaching desired design target, will meet and set
The threedimensional model for counting the shin bone locking steel plate of target saves, if analysis result is not up to desired design target, shin bone is locked
The threedimensional model blank of steel plate is reconstructed.The threedimensional model of the shin bone locking steel plate of the STL format of acquisition is imported into 3D printing
Terminal, addition 3D printing support, has improved printing technology, has generated the mimeograph documents of shin bone locking steel plate, selected 3D printing material,
The molding printing for completing shin bone locking steel plate, obtains shin bone locking steel plate entity finished product.
In the present embodiment, the desired design target is simulation intramedullary nail stress distribution uniformly and maximum stress should reach most
Small value.
The CT+MRI medical image of wherein patient can be done entity extraction by the medical instrument system based on cloud, generate 3D
The stl file of Object is using 64 software reconstructing three-dimensional model of Geomagic Design X, wherein can in reconstruction process
With according to the customizing model locking steel plate of the shin bone extent of damage and proximal end stress condition adaptability, if around customization locking steel plate
When distribution of force difference difference, it can be combined with patient's sclerotin situation and be designed adaptability porous structure, and followed closely in fixation
When position, it can be optimized by cae and be obtained, so that locking steel plate is more bonded after fixed affected part, and make the distribution of its mechanics more
It is more uniform, to strengthen its adaptability and stability.Its printed material selects the file printing that can be melted into human body, locking steel plate
Can over time people's bone bone restore be formed when natural degradation, with this come avoid it is secondary disassembly operation risk
And damage
In conclusion the preparation method of customization shin bone locking steel plate of the invention, prepared shin bone locking steel plate have and can melt
Property and adaptability, improve the design process of traditional shin bone locking steel plate, reduce design difficulty and improve production effect
Rate fixes it safer reliable, has many advantages, such as modeling flexibly, and rapid shaping, plate Anawgy accuracy is high, stability is high,
And using the locking steel plate after degradation material can be natural when people's bone bone restores to be formed over time
Degradation avoids the risk and damage of secondary disassembly operation with this.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (3)
1. a kind of preparation method for customizing shin bone locking steel plate, which is characterized in that comprising the following specific steps
Step 1: according to the position of fracture of tibia, one is selected to lock in material depot with the matched simulation shin bone of fracture of tibia
Steel plate and the threedimensional model for obtaining simulation shin bone locking steel plate, by the three-dimensional of the threedimensional model of shin bone and simulation shin bone locking steel plate
Model is with the preservation of STL format；
Step 2: the threedimensional model of the simulation shin bone locking steel plate of the STL format of acquisition is imported in reverse engineering software and is carried out
The contour line of shin bone and the song of construction shin bone locking steel plate are drawn in curved surface optimization according to the shin bone extent of damage and stress condition cooperation
Dough sheet finally generates shin bone locking steel plate hypostazation model according to the fitting surface of contour line and patch；
Step 3: on the basis of shin bone locking steel plate hypostazation model, in conjunction with the porous knot of patient's sclerotin situation design flexibility
Structure and design screw way position；
Step 4: the threedimensional model of the shin bone locking steel plate of the STL format of acquisition is imported into 3D printing terminal, adds 3D printing branch
Support, according to printing technology generate shin bone locking steel plate mimeograph documents, select 3D printing material, complete shin bone locking steel plate at
Type printing, obtains shin bone locking steel plate entity finished product.
2. the preparation method of customization shin bone locking steel plate according to claim 1, which is characterized in that the reverse-engineering
Software is Geomagic Wrap, Geomagic Design, Solidworks or UG NX 3 d modeling software.
3. the preparation method of customization shin bone locking steel plate according to claim 1, which is characterized in that the 3D printing material
Material is degradable Medical magnesium alloy material JDBM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228503.9A CN109528282A (en) | 2018-10-22 | 2018-10-22 | A kind of preparation method customizing shin bone locking steel plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228503.9A CN109528282A (en) | 2018-10-22 | 2018-10-22 | A kind of preparation method customizing shin bone locking steel plate |
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| CN201811228503.9A Pending CN109528282A (en) | 2018-10-22 | 2018-10-22 | A kind of preparation method customizing shin bone locking steel plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111134824A (en) * | 2020-01-02 | 2020-05-12 | 南方医科大学 | 3D printing tibia far-end steel plate and preparation method thereof |
| CN112704557A (en) * | 2019-10-25 | 2021-04-27 | 可成生物科技股份有限公司 | Customized construction method and system for modular bone plate lamination |
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