CN208741211U - Cup serves as a contrast integrated acetabular component - Google Patents
Cup serves as a contrast integrated acetabular component Download PDFInfo
- Publication number
- CN208741211U CN208741211U CN201820073226.8U CN201820073226U CN208741211U CN 208741211 U CN208741211 U CN 208741211U CN 201820073226 U CN201820073226 U CN 201820073226U CN 208741211 U CN208741211 U CN 208741211U
- Authority
- CN
- China
- Prior art keywords
- acetabular
- cup
- trabecular bone
- liner
- bone
- Prior art date
- 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.)
- Active
Links
Landscapes
- Prostheses (AREA)
Abstract
The utility model provides a kind of glass of lining integrated acetabular component, including acetabular cup, acetabular bone liner and trabecular bone structure, trabecular bone structure is arranged on the outer surface of acetabular cup, acetabular cup and trabecular bone structure are integrally formed, for the welding of acetabular bone liner on the inner surface of acetabular cup, the inner surface of acetabular cup is the rough surface with microcellular structure.Preferably, the porosity of trabecular bone structure is 50%~65%.The aperture of trabecular bone structure is 300 μm~800 μm.Acetabular cup is metal acetabulum cup.Trabecular bone structure is metal trabecular bone structure.Acetabular bone liner is non-metal acetabulum liner.Trabecular bone structure is stratiform.The cup of the utility model serves as a contrast the firm stabilization of integrated acetabular component structure, can improve early postoperation fixed effect and steady in a long-term, using safe and simple convenience, long service life is ingenious in design, and simple for structure, manufacture is easy.
Description
Technical field
The utility model relates to orthopedic medical device technical field, in particular to hip prosthesis replacement technique field, tools
Body refers to the integrated acetabular component of a kind of glass of lining.
Background technique
Hip joint is one of human body maximum, most important joint, subjects the upper part of the body weight of entire body.Due to closing
Save both ends cartilage surface, can with the age, heredity, denaturation, cross with and damage cause coarse denaturation, it is therefore desirable to do joint replacement
Operation.Artificial total hip arthroplasty is current releasing one of patient pain and the most effective operative treatment mode of dysfunction,
Wherein acetabular component is the important application component in artificial total hip arthroplasty.
Currently, common acetabular component is mainly made of acetabular cup and acetabular bone liner.Acetabular cup outer surface is bone trabecula painting
Layer, vacuum plasma titanium coating, composite coating or titanium pearl sinter coating, it is ensured that Bone Ingrowth.Crystallite lattice porous structure or bone trabecula
Structure is clinically it is verified that the short-term stability and long-time stability of implantation material prosthese can be effectively improved；And crystallite lattice are more
The structure design in the hole of pore structure or trabecular bone structure is always to improve the effective means of implantation material bone fusion, higher hole
The presence of rate, suitable pore size and cell morphology can stimulate the growth and differentiation of bone tissue.
Currently, acetabular bone liner is matched by way of clamping mechanism or interference with acetabular cup, this requires in acetabular cup
Surface and acetabular bone liner outer surface requirement on machining accuracy are high, and there is a possibility that loosening to a certain extent, can aggravate hip
The abrasion of mortar liner outer surface simultaneously generates particle, these particles may induce bone to dissolve, and causes shadow to other systems of patient
It rings.
Accordingly, it is desirable to provide a kind of acetabular component, the firm stabilization of structure, can improve early postoperation fixed effect and length
Phase stablizes, and uses safe and simple convenience, long service life.
Utility model content
In order to overcome the disadvantages of the prior art mentioned above, one of the utility model is designed to provide a kind of glass of lining one
Acetabular component, the firm stabilization of structure can improve early postoperation fixed effect and steady in a long-term, using safe and simple convenience,
Long service life, ingenious in design, simple for structure, manufacture is easy, is suitable for large-scale promotion application.
To achieve the above objectives, the utility model provides a kind of glass of lining integrated acetabular component, including in acetabular cup and acetabular bone
Lining, its main feature is that, it further includes trabecular bone structure that the cup, which serves as a contrast integrated acetabular component, and the trabecular bone structure is arranged in the hip
On the outer surface of mortar cup, the acetabular cup and the trabecular bone structure are integrally formed, and the acetabular bone liner welding is in the acetabular bone
On the inner surface of cup, the inner surface of the acetabular cup is the rough surface with microcellular structure.
Preferably, the porosity of the trabecular bone structure is 50%~65%.
Preferably, the aperture of the trabecular bone structure is 300 μm~800 μm.
Preferably, the acetabular cup is metal acetabulum cup.
Preferably, the trabecular bone structure is metal trabecular bone structure.
Preferably, the acetabular bone liner is non-metal acetabulum liner.
More preferably, the nonmetallic acetabular bone liner is plastics acetabular bone liner.
Preferably, the trabecular bone structure is stratiform.
The beneficial effects of the utility model essentially consist in:
1, the rough surface that the cup of the utility model serves as a contrast the trabecular bone structure of integrated acetabular component can be with the pine of patient's acetabular bone
Matter bone effectively combines, and improves early postoperation fixed effect and steady in a long-term, passes through " welding " between acetabular cup and acetabular bone liner
Technology links together, and remains the original intensity of acetabular bone liner, eliminates the peace of acetabular bone liner and acetabular cup in surgical procedure
Step is filled, while substantially eliminating a possibility that wearing between acetabular cup and acetabular bone liner, improves artificial hip prosthesis'
Service life, therefore, the firm stabilization of structure can improve early postoperation fixed effect and steady in a long-term, and use is safe and simple
Convenient, long service life is ingenious in design, simple for structure, and manufacture is easy, is suitable for large-scale promotion application.
The these and other objects of the utility model, feature and advantage are wanted by following detailed descriptions, attached drawing and right
It acquires to fully demonstrate, and can be achieved by means, device and the their combination specially pointed out in appended claims.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram for the specific embodiment that the cup of the utility model serves as a contrast integrated acetabular component.
Fig. 2 is the main view schematic cross-sectional view of specific embodiment shown in FIG. 1.
Fig. 3 is the main view schematic cross-sectional view of the acetabular cup of specific embodiment shown in FIG. 1 and the component of trabecular bone structure.
Fig. 4 is the main view broken section signal of acetabular bone liner raw material welding to be processed on the inner surface of acetabular cup
Figure.
(symbol description)
1 acetabular cup；11 outer surfaces；12 inner surfaces；2 acetabular bone liners；3 trabecular bone structures；The acetabular bone liner former material of 4 preliminary working
Material.
Specific embodiment
In order to be more clearly understood that the technology contents of the utility model, spy lifts following embodiment and is described in detail.
Shown in referring to Figure 1~Fig. 3, in a specific embodiment of the utility model, the cup of the utility model serves as a contrast one
Acetabular component includes acetabular cup 1, acetabular bone liner 2 and trabecular bone structure 3, and the acetabular cup 1 is arranged in the trabecular bone structure 3
On outer surface 11, the acetabular cup 1 and the trabecular bone structure 3 are integrally formed, and 2 welding of acetabular bone liner is in the acetabular cup
On 1 inner surface 12, the inner surface 12 of the acetabular cup 1 is the rough surface with microcellular structure.The microcellular structure is simultaneously
Without particular/special requirement, tetrahedron, hexahedron, 4 (the preparation side below of acetabular bone liner raw material to be processed of molten condition
The step of method (2), refers to) it can enter micropore, and can be in conjunction with micropore.
Bone trabecula is extension of the cortical bone in cancellous bone, i.e. bone trabecula is connected with cortical bone, in ossis
In irregular space network, such as luffa sample or spongy, play hematopoiesis support tissue.The trabecular bone structure 3
It is the structure that there is same structure with bone trabecula, or perhaps bionical bone trabecula.
The porosity of the trabecular bone structure 3 can according to need determination, preferably, the hole of the trabecular bone structure 3
Rate is 50%~65%.In a specific embodiment of the utility model, the porosity of the trabecular bone structure 3 is 50%.?
In the another specific embodiment of the utility model, the porosity of the trabecular bone structure 3 is 60%.In the another of the utility model
In specific embodiment, the porosity of the trabecular bone structure 3 is 65%.
The aperture of the trabecular bone structure 3 can according to need determination, preferably, the aperture of the trabecular bone structure 3 is
300 μm~800 μm.In a specific embodiment of the utility model, the aperture of the trabecular bone structure 3 is 300 μm.In this reality
With in novel another specific embodiment, the aperture of the trabecular bone structure 3 is 500 μm.In the another specific of the utility model
In embodiment, the aperture of the trabecular bone structure 3 is 800 μm.
The acetabular cup 1 can be the acetabular cup of any suitable material, in a specific embodiment of the utility model, institute
Stating acetabular cup 1 is metal acetabulum cup.The metal can be such as titanium alloy.
The trabecular bone structure 3 can be the trabecular bone structure of any suitable material, and one in the utility model is specific real
It applies in example, the trabecular bone structure 3 is metal trabecular bone structure.The metal can be such as titanium alloy.
The acetabular bone liner 2 can be the acetabular bone liner of any suitable material, preferably, the acetabular bone liner 2 is non-gold
Belong to acetabular bone liner, in a specific embodiment of the utility model, the acetabular bone liner 2 is plastics acetabular bone liner, such as poly- second
Alkene plastics acetabular bone liner.
The trabecular bone structure 3 can have any suitable shape, refer to shown in Fig. 2~Fig. 3, in the utility model
A specific embodiment in, the trabecular bone structure 3 be stratiform.
Above-mentioned cup serve as a contrast the preparation method of integrated acetabular component the following steps are included:
(1) using acetabular cup 1 and the bone trabecula knot described in laser sintering and moulding equipment laser sintered material powder compacting
Structure 3, as shown in Figure 3；
Usually extra material can be remained in the inner surface 12 of the trabecular bone structure 3 and the acetabular cup 1 after sintering
Powder needs to remove, such as can clean removal.
(2) by the exterior contour of acetabular bone liner raw material to be processed be processed into exterior semi-spherical surface to by it is described to
The acetabular bone liner raw material of processing are processed into the acetabular bone liner raw material 4 of preliminary working, using fusion welding equipment by the hemisphere
The welding of shape outer surface is on the inner surface 12 of the acetabular cup 1, as shown in Figure 4；
(3) in-profile of the acetabular bone liner raw material 4 of the processing preliminary working is to form the acetabular bone liner 2,
As depicted in figs. 1 and 2, the acetabular bone liner 2 has hemispherical concave depressions, and the inner surface of the hemispherical concave depressions is articular surface.
The laser sintering and moulding equipment can be any suitable laser sintering and moulding equipment, the one of the utility model
In specific embodiment, the laser sintering and moulding equipment is 3D laser printing apparatus, before the step (1), the cup
Serve as a contrast the preparation method of integrated acetabular component further include:
(11) acetabular cup 1 and the threedimensional model of the trabecular bone structure 3 are carried out by slicing treatment using Slice Software
Form slice file；
The acetabular cup 1 and the threedimensional model of the trabecular bone structure 3 can make in this way: by the three-dimensional mould of acetabular cup 1
The file that type is converted to STL format saves, and is handled by software, outer surface 11 is processed into trabecular bone structure 3, will be with hip
The inner surface 12 that mortar liner 2 contacts is processed into the rough surface with microcellular structure, it is of course also possible to use other method systems
Make；
(12) the slice file is imported in the 3D laser printing apparatus.
The Slice Software can be any suitable Slice Software, for example, 3D laser printing apparatus carry software or
Magics software.The minimum thickness for being sliced the single layer obtained should adapt to the requirement of 3D laser printing apparatus, for example, 30 μm, 50 μm,
60 μm can be specifically can require to determine according to device model.
The 3D laser printing apparatus can be any suitable 3D laser printing apparatus, such as Germany EOS M290, moral
State SLM 500, U.S. 3D Systems LayerWise, etc..
The material powder is exactly the powder of the material of the acetabular cup 1 and the use of the trabecular bone structure 3, the acetabular bone
Cup 1 and the trabecular bone structure 3 can be formed using any suitable material, in a specific embodiment of the utility model,
The material powder is metal powder.The metal powder can be such as titanium alloy powder.
Therefore, the utility model provides the integrated acetabular component of a kind of glass of lining, wherein the rough surface energy of trabecular bone structure
It is effectively combined with the cancellous bone of patient's acetabular bone, improves early postoperation fixed effect, higher porosity, suitable pore size
Stimulate bone tissue ingrowth into realizing steady in a long-term；Acetabular cup inner surface be microcellular structure, can by way of " welding " and
Acetabular bone liner is fixed together, and has not only remained the original intensity of acetabular bone liner, but also eliminates acetabular bone liner and hip in surgical procedure
The installation steps of mortar cup, while abrasion caused by the loosening between acetabular cup and acetabular bone liner is substantially eliminated, it improves artificial
The service life of hip prosthesis.
To sum up, the cup of the utility model serves as a contrast the firm stabilization of integrated acetabular component structure, can improve the fixed effect of early postoperation
Fruit and steady in a long-term, using safe and simple convenience, long service life is ingenious in design, and simple for structure, manufacture is easy.
It can be seen that the purpose of this utility model completely and is effectively achieved.The function of the utility model and
Structural principle is shown and is illustrated in embodiment, and under without departing substantially from the principle, embodiment can make any modification.Institute
With the utility model includes all variant embodiments based on claim spirit and scope of the claims.
Claims (8)
1. the integrated acetabular component of a kind of glass of lining, including acetabular cup and acetabular bone liner, which is characterized in that the cup serves as a contrast integrated acetabular bone
Component further includes trabecular bone structure, and the trabecular bone structure is arranged on the outer surface of the acetabular cup, the acetabular cup and institute
State trabecular bone structure integrated molding, the acetabular bone liner welding on the inner surface of the acetabular cup, the acetabular cup it is interior
Surface is the rough surface with microcellular structure.
2. cup as described in claim 1 serves as a contrast integrated acetabular component, which is characterized in that the porosity of the trabecular bone structure is
50%~65%.
3. cup as described in claim 1 serves as a contrast integrated acetabular component, which is characterized in that the aperture of the trabecular bone structure is 300 μ
M~800 μm.
4. cup as described in claim 1 serves as a contrast integrated acetabular component, which is characterized in that the acetabular cup is metal acetabulum cup.
5. cup as described in claim 1 serves as a contrast integrated acetabular component, which is characterized in that the trabecular bone structure is metal bone trabecula
Structure.
6. cup as described in claim 1 serves as a contrast integrated acetabular component, which is characterized in that the acetabular bone liner is in non-metal acetabulum
Lining.
7. cup as claimed in claim 6 serves as a contrast integrated acetabular component, which is characterized in that the nonmetallic acetabular bone liner is plastics hip
Mortar liner.
8. cup as described in claim 1 serves as a contrast integrated acetabular component, which is characterized in that the trabecular bone structure is stratiform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820073226.8U CN208741211U (en) | 2018-01-17 | 2018-01-17 | Cup serves as a contrast integrated acetabular component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820073226.8U CN208741211U (en) | 2018-01-17 | 2018-01-17 | Cup serves as a contrast integrated acetabular component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208741211U true CN208741211U (en) | 2019-04-16 |
Family
ID=66050421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820073226.8U Active CN208741211U (en) | 2018-01-17 | 2018-01-17 | Cup serves as a contrast integrated acetabular component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208741211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042243A (en) * | 2018-01-17 | 2018-05-18 | 上海科太迈迪医疗器械有限公司 | Integral acetabular component of cup lining and preparation method thereof |
| CN110464512A (en) * | 2019-09-11 | 2019-11-19 | 广州华钛三维材料制造有限公司 | A kind of hip prosthesis |
-
2018
- 2018-01-17 CN CN201820073226.8U patent/CN208741211U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042243A (en) * | 2018-01-17 | 2018-05-18 | 上海科太迈迪医疗器械有限公司 | Integral acetabular component of cup lining and preparation method thereof |
| CN110464512A (en) * | 2019-09-11 | 2019-11-19 | 广州华钛三维材料制造有限公司 | A kind of hip prosthesis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108042243A (en) | Integral acetabular component of cup lining and preparation method thereof | |
| Taniguchi et al. | Effect of pore size on bone ingrowth into porous titanium implants fabricated by additive manufacturing: An in vivo experiment | |
| Bobyn et al. | Characteristics of bone ingrowth and interface mechanics of a new porous tantalum biomaterial | |
| US20180021136A1 (en) | Rapid manufacturing of porous metal prostheses | |
| CN101862231B (en) | Method for preparing prosthesis with tantalum coating | |
| CN209059542U (en) | A kind of 3D printing metal bone trabecula surface hip joint prosthese | |
| CN110507850B (en) | Bionic three-dimensional bone trabecula structure porous tantalum and preparation method thereof | |
| CN101708138A (en) | Artificial knee joint bone fusion prosthesis | |
| CN208741211U (en) | Cup serves as a contrast integrated acetabular component | |
| CN108210127A (en) | Cementless tibial component of trabecular bone structure and preparation method thereof | |
| CN101708134A (en) | Artificial hip stem with low elasticity modulus | |
| CN208552136U (en) | The Cementless tibial component of trabecular bone structure | |
| CN201394097Y (en) | Artificial hip joint and femoral stem with low elastic modulus | |
| CN105105876A (en) | Improved artificial hip joint outer metal acetabular cup with porous film and preparation method thereof | |
| CN201414855Y (en) | Artificial knee-joint bone fusion prosthesis | |
| CN105105879A (en) | Improved artificial hip joint femoral stem with porous film and preparation method thereof | |
| Fabi et al. | Porous coatings on metallic implant materials | |
| CN202154767U (en) | Low-abrasion loss artificial tibial platform prosthesis | |
| CN204995613U (en) | Modified area thin porous layer's artificial knee joint tibial tray | |
| CN204909738U (en) | Modified area thin porous layer's artificial knee joint tibial tray | |
| CN105105884A (en) | Improved artificial knee joint tibial tray with porous film and preparation method thereof | |
| CN204909737U (en) | Modified area thin porous layer's artificial knee joint femoral prosthesis | |
| CN208447854U (en) | A kind of improved femur handle structure | |
| CN203388964U (en) | Human hip joint for bone replacement and implantation | |
| CN204909735U (en) | Modified area thin porous layer's artificial knee joint femoral prosthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |