CN112656549A - Surface treatment method of acetabulum prosthesis and acetabulum prosthesis - Google Patents
Surface treatment method of acetabulum prosthesis and acetabulum prosthesis Download PDFInfo
- Publication number
- CN112656549A CN112656549A CN202010445962.3A CN202010445962A CN112656549A CN 112656549 A CN112656549 A CN 112656549A CN 202010445962 A CN202010445962 A CN 202010445962A CN 112656549 A CN112656549 A CN 112656549A
- Authority
- CN
- China
- Prior art keywords
- prosthesis
- ultrasonic cleaning
- treatment method
- acetabulum
- surface treatment
- 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.)
- Pending
Links
Landscapes
- Prostheses (AREA)
Abstract
The application provides a surface treatment method of an acetabular prosthesis and the acetabular prosthesis, and relates to the field of medical instruments. The surface treatment method of the acetabulum prosthesis comprises the following steps: A. sand blasting treatment: sandblasting the surface of the acetabulum prosthesis by using 40-80-mesh sandblasting objects, wherein the pressure of compressed air is 3-6 bar, the jetting distance is 50-150 mm, and the jetting time is 2-20 s; B. ultrasonic cleaning: sequentially placing the acetabulum prosthesis subjected to sand blasting into acetone, 95% ethanol and deionized water for respective ultrasonic cleaning, and then drying the acetabulum prosthesis; C. acid washing and impurity removal: placing the acetabulum prosthesis prepared in the step B into pickling solution for pickling treatment; D. ultrasonic cleaning: and sequentially placing the acetabulum prosthesis after acid washing in acetone, 95% ethanol and deionized water, respectively carrying out ultrasonic washing and drying. The application can thoroughly remove the powder on the surface of the outer cup of the acetabular prosthesis so as to form complete and clear pores.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a surface treatment method of an acetabular prosthesis and the acetabular prosthesis.
Background
The acetabulum prosthesis is an implant applied to the current orthopedic hip joint replacement, and is suitable for repairing and reconstructing the acetabulum part of a human body. It forms a set of hip joint prosthesis together with the femoral head and the femoral stem of the prosthesis implant at the femoral side of the human body. The biological acetabular prosthesis is generally provided with a microporous outer surface so as to be attached to bone of a physiological acetabular surface of a human body to form a bone interface, so that the growth of bone tissues is promoted, and the acetabular prosthesis is prevented from loosening.
With the development of medical science and 3D printing technology, titanium metal artificial implants using selective laser melting Stereolithography (SLM) of titanium metal powder are increasingly used to treat bone tissue disorders and repair defects, such as acetabular prostheses, etc.
After the 3D printing of the acetabular prosthesis is completed, the pores on the outer surface of the acetabular prosthesis are occupied by the unsintered powder, and therefore, a surface powdering operation of the acetabular prosthesis is required. The problem to be solved in the art is how to thoroughly remove the powder on the surface of the outer cup of the acetabular prosthesis without damaging the shape and the size of the blank of the acetabular prosthesis so as to form complete and clear pores.
Disclosure of Invention
An object of the embodiment of the present application is to provide a surface treatment method for an acetabular prosthesis, which can completely remove powder on the surface of an outer cup of the acetabular prosthesis to form complete and clear pores.
In a first aspect, an embodiment of the present application provides a surface treatment method for an acetabular prosthesis, including the following steps:
A. sand blasting treatment: sandblasting the surface of the acetabulum prosthesis by using 40-80-mesh sandblasting objects, wherein the pressure of compressed air is 3-6 bar, the jetting distance is 50-150 mm, and the jetting time is 2-20 s;
B. ultrasonic cleaning: sequentially placing the acetabulum prosthesis subjected to sand blasting in acetone, 95% ethanol and deionized water for ultrasonic cleaning respectively, and then drying the acetabulum prosthesis;
C. acid washing and impurity removal: placing the acetabulum prosthesis prepared in the step B into pickling solution for pickling treatment;
D. ultrasonic cleaning: and sequentially placing the acetabulum prosthesis after acid washing in acetone, 95% ethanol and deionized water, respectively carrying out ultrasonic cleaning and drying.
In the implementation process, the surface treatment method in the application firstly carries out sand blasting on the outer surface of the acetabular prosthesis through large-particle sand blasting objects so as to remove the attached or semi-molten titanium beads. The process is a physical treatment method. The pickling process removes a small amount of abrasive debris introduced by the blasting process. Titanium powder, sand blasting particles and the like do not exist on the surface of the acetabulum prosthesis after ultrasonic treatment, and the process is a chemical treatment method. By combining the physical and chemical surface treatment methods and optimizing specific process parameters, the invention can thoroughly remove the powder on the surface of the outer cup of the acetabular prosthesis so as to form complete and clear pores, effectively reduce the surface roughness of the acetabular prosthesis and further promote osseointegration.
In a possible embodiment, step a further comprises:
in the process of sand blasting, the acetabulum prosthesis needs to be turned over continuously.
In the implementation process, the acetabulum prosthesis is continuously rotated, so that sand blasting substances can be prevented from accumulating in the pores on the outer surface of the acetabulum prosthesis, and the sand blasting effect is better.
In one possible embodiment, the grit blast is corundum or titanium dioxide.
In a possible embodiment, after the step D is completed, the roughness Ra of the surface of the acetabular prosthesis is 2-5 μm.
In one possible embodiment, in step C, the acid wash is prepared from concentrated hydrochloric acid and deionized water in a volume ratio of 1: 2, mixing, wherein the temperature of the pickling solution is 40-80 ℃, and the pickling time is 10-15 min.
In a possible embodiment, in the step B, the ultrasonic cleaning time in acetone is 5-10 min; ultrasonic cleaning in 95% ethanol for 5-10 min; the ultrasonic cleaning time in the deionized water is 5-10 min.
In a possible embodiment, in the step D, the ultrasonic cleaning time in acetone is 5-10 min; ultrasonic cleaning in 95% ethanol for 5-10 min; the ultrasonic cleaning time in the deionized water is 5-10 min.
In one possible embodiment, the pores of the outer surface of the acetabular prosthesis have a pore size of 100-2000 microns and a porosity of 50% -90%.
According to another aspect of the invention, there is also provided an acetabular prosthesis comprising an outer surface provided with apertures and treated using the surface treatment method described above.
In one possible embodiment, the structure of the acetabular prosthesis is a bone-like trabecular structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments.
Thus, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
According to a first aspect of the present application, a method of surface treatment of an acetabular prosthesis is provided. The surface treatment method comprises the following steps:
A. sand blasting treatment: and (3) sandblasting the surface of the acetabulum prosthesis by using 40-80-mesh sandblasting objects, wherein the pressure of compressed air is 3-6 bar, the jetting distance is 50-150 mm, and the jetting time is 2-20 s.
In the process of sand blasting, the acetabulum prosthesis needs to be turned over continuously. If the acetabulum prosthesis is not frequently overturned, the sand blasting substances are accumulated in the pores of the bone-like trabecular structure, and the sand blasting effect is influenced.
In one embodiment, the grit blast may be selected from corundum or titanium dioxide. It should be noted that the blasting object in the present application includes, but is not limited to, corundum or titanium dioxide.
In this step, the mesh number of the blasting object is optionally set to 40 mesh, 50 mesh, 60 mesh, 70 mesh, or 80 mesh. The pressure of the compressed air can optionally be set to 3bar, 4bar, 5bar or 6 bar. Correspondingly, the spray distance can be set to 50mm, 70mm, 90mm, 110mm, 130mm or 150 mm. The injection time is selectively set to 2s, 4s, 6s, 8s, 10s, 12s, 14s, 16s, 18s, or 20 s. The sand blasting time can be selected according to the type and the mesh number of the adopted sand blasting objects.
B. Ultrasonic cleaning: and sequentially placing the acetabulum prosthesis subjected to sand blasting into acetone, 95% ethanol and deionized water for ultrasonic cleaning respectively, and then drying the acetabulum prosthesis.
In one embodiment, the ultrasonic cleaning time of the acetabulum prosthesis after sand blasting in acetone is 5-10 min; ultrasonic cleaning in 95% ethanol for 5-10 min; the ultrasonic cleaning time in the deionized water is 5-10 min.
C. Acid washing and impurity removal: and D, placing the acetabulum prosthesis prepared in the step B into pickling solution for pickling treatment.
In one embodiment, the pickling solution is prepared from concentrated hydrochloric acid and deionized water in a volume ratio of 1: 2 and mixing. The temperature of the pickling solution is 40-80 ℃, and the pickling time is 10-15 min.
In this step, the temperature of the pickling solution is optionally set to 40 ℃, 50 ℃, 60 ℃, 70 ℃ or 80 ℃. The pickling time can be set to 10min, 11min, 12min, 13min, 14min or 15min selectively.
D. Ultrasonic cleaning: and sequentially placing the acetabulum prosthesis after acid washing in acetone, 95% ethanol and deionized water, respectively carrying out ultrasonic cleaning and drying.
In one embodiment, the ultrasonic cleaning time of the acetabulum prosthesis after sand blasting in acetone is 5-10 min; ultrasonic cleaning in 95% ethanol for 5-10 min; the ultrasonic cleaning time in the deionized water is 5-10 min.
The roughness Ra of the surface of the acetabulum prosthesis treated by the steps is 2-5 mu m.
In the implementation process, the surface treatment method in the application firstly carries out sand blasting on the outer surface of the acetabular prosthesis through large-particle sand blasting objects so as to remove the attached or semi-molten titanium beads. The process is a physical treatment method. The pickling process removes a small amount of abrasive debris introduced by the blasting process. Titanium powder, sand blasting particles and the like do not exist on the surface of the acetabulum prosthesis after ultrasonic treatment, and the process is a chemical treatment method. Therefore, the invention can thoroughly remove the powder on the surface of the outer cup of the acetabular prosthesis by combining the physical and chemical surface treatment methods and optimizing specific process parameters so as to form complete and clear pores, effectively reduce the surface roughness of the acetabular prosthesis and further promote osseointegration.
The surface treatment method is suitable for the acetabulum prosthesis with the pore diameter of the pore of the outer surface of 100-2000 microns and the porosity of 50-90 percent.
According to a second aspect of the present application, there is also provided an acetabular prosthesis comprising an outer surface provided with apertures and treated using the surface treatment method described above.
In one possible embodiment, the structure of the acetabular prosthesis is a bone-like trabecular structure.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A surface treatment method of an acetabular prosthesis is characterized by comprising the following steps:
A. sand blasting treatment: sandblasting the surface of the acetabulum prosthesis by using 40-80-mesh sandblasting objects, wherein the pressure of compressed air is 3-6 bar, the jetting distance is 50-150 mm, and the jetting time is 2-20 s;
B. ultrasonic cleaning: sequentially placing the acetabulum prosthesis subjected to sand blasting into acetone, 95% ethanol and deionized water for respective ultrasonic cleaning, and then drying the acetabulum prosthesis;
C. acid washing and impurity removal: placing the acetabulum prosthesis prepared in the step B into pickling solution for pickling treatment;
D. ultrasonic cleaning: and sequentially placing the acetabulum prosthesis after acid washing in acetone, 95% ethanol and deionized water, respectively carrying out ultrasonic washing and drying.
2. The surface treatment method according to claim 1, further comprising, in the step a:
in the process of sand blasting, the acetabulum prosthesis needs to be turned over continuously.
3. A surface treatment method according to claim 1 or 2, characterized in that the blasting substance is corundum or titanium dioxide.
4. The surface treatment method according to claim 3, wherein the roughness Ra of the surface of the acetabular prosthesis after completion of the step D is 2-5 μm.
5. The surface treatment method according to claim 1, wherein in the step C, the pickling solution is prepared from concentrated hydrochloric acid and deionized water in a volume ratio of 1: 2, mixing, wherein the temperature of the pickling solution is 40-80 ℃, and the pickling time is 10-15 min.
6. The surface treatment method according to claim 1, wherein in the step B, the ultrasonic cleaning time in acetone is 5 to 10 min; ultrasonic cleaning in 95% ethanol for 5-10 min; the ultrasonic cleaning time in the deionized water is 5-10 min.
7. The surface treatment method according to claim 1 or 6, wherein in the step D, the ultrasonic cleaning time in acetone is 5 to 10 min; ultrasonic cleaning in 95% ethanol for 5-10 min; the ultrasonic cleaning time in the deionized water is 5-10 min.
8. The surface treatment method as claimed in claim 1, wherein the pores of the outer surface of the acetabular prosthesis have a pore size of 100-2000 μm and a porosity of 50-90%.
9. An acetabular prosthesis comprising an outer surface provided with apertures and treated by a method according to any one of claims 1 to 8.
10. The acetabular prosthesis of claim 9, wherein the structure is a bone-like trabecular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445962.3A CN112656549A (en) | 2020-05-22 | 2020-05-22 | Surface treatment method of acetabulum prosthesis and acetabulum prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445962.3A CN112656549A (en) | 2020-05-22 | 2020-05-22 | Surface treatment method of acetabulum prosthesis and acetabulum prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112656549A true CN112656549A (en) | 2021-04-16 |
Family
ID=75403137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010445962.3A Pending CN112656549A (en) | 2020-05-22 | 2020-05-22 | Surface treatment method of acetabulum prosthesis and acetabulum prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112656549A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456723A (en) * | 1989-03-23 | 1995-10-10 | Institut Straumann Ag | Metallic implant anchorable to bone tissue for replacing a broken or diseased bone |
| US20040199261A1 (en) * | 2003-02-24 | 2004-10-07 | Benoist Girard Sas | Surface treatment for a metal prosthesis |
| CN101106957A (en) * | 2004-12-23 | 2008-01-16 | Plus整形有限公司 | A method of surface finishing a bone implant |
| US20100010632A1 (en) * | 2006-09-26 | 2010-01-14 | Biomatlante | Sand-blasting method using biocompatible polymers |
| CN101791244A (en) * | 2010-04-02 | 2010-08-04 | 西部超导材料科技有限公司 | Processing method of pure titanium curved plate used as body implant |
| CN101848683A (en) * | 2007-09-10 | 2010-09-29 | 弗朗西斯科·J·加西亚塞班 | Method for obtaining a surface of a titanium-based metal implant intended to be inserted into bone tissue |
| CN105689709A (en) * | 2016-01-28 | 2016-06-22 | 佛山市安齿生物科技有限公司 | Construction method for micro-nano hierarchical structure on surface of SLM forming titanium implant |
| 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 |
| CN108992213A (en) * | 2017-06-06 | 2018-12-14 | 上海博玛医疗科技有限公司 | A kind of acetabular cup and preparation method thereof with class trabecular bone structure layer |
-
2020
- 2020-05-22 CN CN202010445962.3A patent/CN112656549A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456723A (en) * | 1989-03-23 | 1995-10-10 | Institut Straumann Ag | Metallic implant anchorable to bone tissue for replacing a broken or diseased bone |
| US20040199261A1 (en) * | 2003-02-24 | 2004-10-07 | Benoist Girard Sas | Surface treatment for a metal prosthesis |
| CN101106957A (en) * | 2004-12-23 | 2008-01-16 | Plus整形有限公司 | A method of surface finishing a bone implant |
| US20100010632A1 (en) * | 2006-09-26 | 2010-01-14 | Biomatlante | Sand-blasting method using biocompatible polymers |
| CN101848683A (en) * | 2007-09-10 | 2010-09-29 | 弗朗西斯科·J·加西亚塞班 | Method for obtaining a surface of a titanium-based metal implant intended to be inserted into bone tissue |
| CN101791244A (en) * | 2010-04-02 | 2010-08-04 | 西部超导材料科技有限公司 | Processing method of pure titanium curved plate used as body implant |
| CN105689709A (en) * | 2016-01-28 | 2016-06-22 | 佛山市安齿生物科技有限公司 | Construction method for micro-nano hierarchical structure on surface of SLM forming titanium implant |
| CN108992213A (en) * | 2017-06-06 | 2018-12-14 | 上海博玛医疗科技有限公司 | A kind of acetabular cup and preparation method thereof with class trabecular bone structure layer |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0728022B1 (en) | Surgically implantable prosthetic devices | |
| CN105105875B (en) | A kind of biomimetic prosthetic hip joint with interior growth function | |
| CN101106957B (en) | A method of surface finishing a bone implant | |
| ES2379304T3 (en) | Method for manufacturing a bioactive implant material | |
| US10959850B2 (en) | Implant having porous layer and molding method thereof | |
| JP3053214B2 (en) | Method for producing implants made of titanium or its alloys | |
| KR101046560B1 (en) | Surface treatment method of dental implant fixture using blasting process | |
| US20050090905A1 (en) | Porous implant with a dried, lubricious when wet, in vivo absorbable coating | |
| JP2010031369A (en) | Open-celled metal implant with roughened surface and method for surface-roughening open-celled metal implant | |
| CN103607976A (en) | Acetabular roof reinforcement plate | |
| CN112999414B (en) | 3D printing titanium alloy and preparation method thereof | |
| CN110882417B (en) | Metal prosthesis of composite porous bioceramic and preparation method thereof | |
| CN112076009A (en) | Multilayer bionic joint based on curved surface 3D printing and preparation method thereof | |
| US10285816B2 (en) | Implant including cartilage plug and porous metal | |
| CN112656549A (en) | Surface treatment method of acetabulum prosthesis and acetabulum prosthesis | |
| JP2007296250A (en) | Medical implant and artificial joint using thereof | |
| CN114344560A (en) | Roughening treatment technology for surface of bone implant prosthesis | |
| Uklejewski et al. | Prototype of a Biomimetic Multi-Spiked Connecting Scaffold for a New Generation of Resurfacing Endoprostheses | |
| CN113599027A (en) | Material increase manufacturing porous tantalum artificial tibia cushion block | |
| CN111803244A (en) | Bone filling block with tantalum metal porous structure layer, manufacturing method and application | |
| CN112043465A (en) | Tantalum metal trabecula, stem prosthesis and production methods of trabecula and stem prosthesis | |
| RU2637105C1 (en) | Method for plasty of defects of acetabulum antero- and posterosuperior edge with structural autobone in hip joint endoprosthesis | |
| CN103785061B (en) | Collagen/hydroxyapatite composite coating joint prosthesis implant and preparation method thereof | |
| JP2007509690A (en) | Long bone head prosthesis to protect cartilage | |
| CN212522088U (en) | Multilayer bionic joint based on curved surface 3D printing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210416 |