CN219000734U - 3D printed acetabular cup - Google Patents
3D printed acetabular cup Download PDFInfo
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- CN219000734U CN219000734U CN202223369157.0U CN202223369157U CN219000734U CN 219000734 U CN219000734 U CN 219000734U CN 202223369157 U CN202223369157 U CN 202223369157U CN 219000734 U CN219000734 U CN 219000734U
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- acetabular cup
- porous coating
- coating structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model provides a 3D printed acetabular cup, which is characterized by comprising: the acetabular cup comprises an acetabular cup body, a sleeve and a sleeve, wherein the acetabular cup body is formed into a hollow hemispherical shape, and three threaded mounting holes are formed in the surface of the acetabular cup body; the porous coating structure is coated on the surface of the acetabular cup main body and is formed by mutually intersecting and combining a plurality of irregular connecting rods; the barb structure is arranged on the surface of the porous coating structure. According to the 3D printed acetabular cup provided by the embodiment of the utility model, the irregular connecting rods are mutually crossed and combined to form the acetabular cup, the rod diameter, the porosity and the thickness of the porous coating structure are controllable, and the barb structure can better fix the porous coating structure and the bone tissue of a human body, so that the growth of the bone tissue in the early stage is facilitated.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a 3D printed acetabular cup.
Background
Hip joint prosthesis replacement is the most effective means for treating hip joint diseases at present, so that the physiological functions of the joints of patients are recovered to a certain extent, and the pain is relieved. In the prior art, the porous coating structure on the surface of the acetabular cup is not firmly connected with bone tissue.
Disclosure of Invention
In view of the above, the utility model provides a 3D printed acetabular cup which can be firmly connected with bone tissues, has better stability and lower cost, and can be suitable for different human body bone tissues.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
according to an embodiment of the utility model, a 3D printed acetabular cup includes:
the acetabular cup comprises an acetabular cup body, a sleeve and a sleeve, wherein the acetabular cup body is formed into a hollow hemispherical shape, and three threaded mounting holes are formed in the surface of the acetabular cup body;
the porous coating structure is coated on the surface of the acetabular cup main body and is formed by mutually intersecting and combining a plurality of irregular connecting rods;
the barb structure is arranged on the surface of the porous coating structure.
Further, the acetabular cup body, the porous coating structure and the barb structure are titanium alloy parts.
Further, the rod diameter of the porous coating structure is 0.15-0.2mm.
Further, the porous coating structure has a porosity of 45% -55%.
Further, the porous coating layer has a structural pore diameter of 100 μm to 600 μm.
Further, the thickness of the porous coating structure is 0.5mm-3mm.
The technical scheme of the utility model has at least one of the following beneficial effects:
according to the 3D printed acetabular cup, through the porous coating structure formed by mutually intersecting and combining the plurality of irregular connecting rods, the controllable rod diameter, the controllable porosity, the controllable porous coating structure thickness and the controllable porous structure aperture can be realized, and then different human body primary bone tissues can be adapted;
the barb structure is arranged on the surface of the porous coating structure, so that the porous coating can be better fixed with the bone tissue of the human body, and the bone tissue in the early stage can be grown in;
furthermore, the acetabular cup provided by the embodiment of the utility model adopts the 3D printing titanium alloy part, so that the cost can be reduced, and the service life can be prolonged.
Drawings
FIG. 1 is a schematic view of a 3D printed acetabular cup structure according to an embodiment of the utility model;
FIG. 2 is an enlarged schematic view of the porous coating structure according to the embodiment of the present utility model.
Reference numerals:
1. an acetabular cup body; 2. a porous coating structure; 3. a barb structure; 4. a threaded mounting hole; 5. and a connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate a relative positional relationship, which changes accordingly when the absolute position of the object to be described changes.
A 3D printed acetabular cup according to an embodiment of the utility model is described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, a 3D printed acetabular cup according to an embodiment of the utility model includes an acetabular cup body 1, a porous coating structure 2, and a barb structure 3.
The acetabular cup body 1 is formed in a hollow hemispherical shape and is provided with three threaded mounting holes 4 on the surface, whereby the acetabular cup body 1 is mounted in the acetabular socket by screws passing through the threaded mounting holes 4.
The porous coating structure 2 is coated on the surface of the acetabular cup main body 1, and the porous coating structure 2 is formed by mutually intersecting and combining a plurality of irregular connecting rods 5, as shown in fig. 2, so that the porous coating structure 2 is formed into an irregular multi-connecting rod structure, the controllable rod diameter, the controllable porosity and the controllable aperture can be realized, and the thickness of the porous coating structure 2 can be controlled, thereby being suitable for human primary bone tissues with different model sizes.
The barb structure 3 is arranged on the surface of the porous coating structure 2, compared with the method of directly fixing the porous structure and bone tissue in the prior art, the barb structure 3 is arranged in the embodiment of the utility model, so that the porous coating structure 2 can be better fixed with the original bone tissue of a human body, the connection stability is further improved, and the bone tissue in the early stage can grow into the porous coating structure 2.
Furthermore, the acetabular cup body 1, the porous coating structure 2 and the barb structure 3 are all made of titanium alloy, and the acetabular cup provided by the embodiment of the utility model adopts 3D printing titanium alloy, so that the cost can be reduced, and the service life can be prolonged.
Further, the rod diameter of the porous coating structure 2 is 0.15-0.2mm.
Further, the porous coating structure 2 has a porosity of 45% -55%.
Further, the pore size of the porous coating structure 2 is 100 μm to 600 μm.
Further, the porous coating structure 2 has a thickness of 0.5mm to 3mm.
Claims (6)
1. A 3D printed acetabular cup, comprising:
the acetabular cup comprises an acetabular cup body, a sleeve and a sleeve, wherein the acetabular cup body is formed into a hollow hemispherical shape, and three threaded mounting holes are formed in the surface of the acetabular cup body;
the porous coating structure is coated on the surface of the acetabular cup main body and is formed by mutually intersecting and combining a plurality of irregular connecting rods;
the barb structure is arranged on the surface of the porous coating structure.
2. The 3D printed acetabular cup of claim 1, wherein the acetabular cup body, the porous coating structure, and the barb structure are titanium alloy pieces.
3. The 3D printed acetabular cup of claim 1, wherein the porous coating structure has a stem diameter of 0.15-0.2mm.
4. The 3D printed acetabular cup of claim 1, wherein the porous coating structure porosity is 45% -55%.
5. The 3D printed acetabular cup of claim 1, wherein the porous coating structure pore size is 100-600 μιη.
6. The 3D printed acetabular cup of claim 1, wherein the porous coating structure thickness is 0.5mm-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223369157.0U CN219000734U (en) | 2022-12-15 | 2022-12-15 | 3D printed acetabular cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223369157.0U CN219000734U (en) | 2022-12-15 | 2022-12-15 | 3D printed acetabular cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219000734U true CN219000734U (en) | 2023-05-12 |
Family
ID=86244188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223369157.0U Active CN219000734U (en) | 2022-12-15 | 2022-12-15 | 3D printed acetabular cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219000734U (en) |
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2022
- 2022-12-15 CN CN202223369157.0U patent/CN219000734U/en active Active
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