CN106924811A - Composite coating joint prosthesis and preparation method thereof - Google Patents
Composite coating joint prosthesis and preparation method thereof Download PDFInfo
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- CN106924811A CN106924811A CN201710183579.3A CN201710183579A CN106924811A CN 106924811 A CN106924811 A CN 106924811A CN 201710183579 A CN201710183579 A CN 201710183579A CN 106924811 A CN106924811 A CN 106924811A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/30—Inorganic materials
- A61L27/306—Other specific inorganic materials not covered by A61L27/303 - A61L27/32
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/30—Inorganic materials
- A61L27/32—Phosphorus-containing materials, e.g. apatite
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/18—Modification of implant surfaces in order to improve biocompatibility, cell growth, fixation of biomolecules, e.g. plasma treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2420/00—Materials or methods for coatings medical devices
- A61L2420/02—Methods for coating medical devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2420/00—Materials or methods for coatings medical devices
- A61L2420/08—Coatings comprising two or more layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/24—Materials or treatment for tissue regeneration for joint reconstruction
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention is on composite coating joint prosthesis and preparation method thereof.One embodiment of the invention provides a composite coating joint prosthesis, and it includes：Joint prosthesis；Physical vapour deposition (PVD) PVD coatings are adhered on the surface of joint prosthesis successively and growth promotes nanometer particle-modified PVD coatings, wherein PVD coatings are the nanometer hard coat that AlCrN, CrAlN, CrN, AlTiN, TiAlN, TiAlCrN, TiSiN, TiSiAlN, TiAlWN or its mixture are constituted, and it is calcium nano-particle, phosphorus nano-particle, zinc nano-particle or its mixture that growth promotes nano-particle.The embodiment of the present invention is sequentially depositing PVD coatings and the nanometer particle-modified PVD coatings formation composite coating joint prosthesis of growth promotion by the surface of joint prosthesis, the hardness and wearability of joint prosthesis are not only increased, and nano-particle therein has effectively facilitated the growth of coupled joint tissue and/or the healing of wound.
Description
Technical field
The present invention relates to medical surgery technique with the apparatus field, more particularly to composite coating joint prosthesis and preparation method thereof.
Background technology
Joint prosthesis is a kind of artificial implantation, and it passes through in surgical replacement human body because of various diseases or unexpected injury
Cause the joint that cannot be used.Joint prosthesis is typically made up of the metal material with excellent mechanical performances, but existing people
Work joint can not well with it is corresponding in vivo arround tissue combination, and metal material therein can directly affect joint
Healing, more seriously, can cause the inflammatory reaction of local joint.
Thus, existing joint prosthesis needs improvement badly, to lift the therapeutic effect of joint prosthesis.
The content of the invention
An object of the present invention is to provide a composite coating joint prosthesis, and it can effectively facilitate coupled joint
The growth of tissue.
An embodiment of the invention, a composite coating joint prosthesis, it includes：Joint prosthesis；The table of joint prosthesis
Physical vapour deposition (PVD) PVD coatings and the nanometer particle-modified PVD coatings of growth promotion are adhered in face successively, and wherein PVD coatings are
The nanometer that AlCrN, CrAlN, CrN, AlTiN, TiAlN, TiAlCrN, TiSiN, TiSiAlN, TiAlWN or its mixture are constituted
Hard coat, it is calcium nano-particle, phosphorus nano-particle, zinc nano-particle or its mixture that growth promotes nano-particle.
The preparation method of composite coating joint prosthesis is additionally provided according to another embodiment of the present invention, and it includes following step
Suddenly：Joint prosthesis is provided；Using physical vapour deposition (PVD) PVD surface depositing Al CrN, CrAlN of joint prosthesis, CrN,
The nanometer hard coat that AlTiN, TiAlN, TiAlCrN, TiSiN, TiSiAlN, TiAlWN or its mixture are constituted is to form PVD
Coating；Promote nano-particle to import in physical vapour deposition (PVD) PVD stove growth, existed using physical vapour deposition (PVD) PVD
The surface of PVD coatings forms growth and promotes nanometer particle-modified PVD coatings, wherein it is calcium nanoparticle that growth promotes nano-particle
Son, phosphorus nano-particle, zinc nano-particle or its mixture.
Composite coating joint prosthesis and preparation method thereof is the embodiment of the invention provides, it is by the surface of joint prosthesis
It is sequentially depositing PVD coatings and growth promotes nanometer particle-modified PVD coatings to form composite coating joint prosthesis, on the one hand strengthens
The hardness and wearability of joint prosthesis, on the other hand, growth promotes the growth in nanometer particle-modified PVD coatings to promote to receive
Rice corpuscles can also effectively facilitate the growth of coupled joint tissue and/or the healing of wound.
Brief description of the drawings
It is the front view of composite coating joint prosthesis according to an embodiment of the invention shown in Fig. 1
It is enlarged section of the composite coating joint prosthesis shown in Fig. 1 along A-A' directions shown in Fig. 2
Specific embodiment
Spirit for a better understanding of the present invention, makees furtherly below in conjunction with part preferred embodiment of the invention to it
It is bright.
It is the front view of composite coating joint prosthesis according to an embodiment of the invention shown in Fig. 1, is Fig. 1 institutes shown in Fig. 2
The composite coating joint prosthesis for showing along A-A' directions enlarged section.
As illustrated in fig. 1 and 2, composite coating joint prosthesis 100 includes joint prosthesis 10, the surface 10a of joint prosthesis 10 according to
Secondary attachment PVD coatings 12 and growth promote nanometer particle-modified PVD coatings 14.Wherein, PVD coatings 12 be include AlCrN,
The nanometer hard that CrAlN, CrN, AlTiN, TiAlN, TiAlCrN, TiSiN, TiSiAlN, TiAlWN or its mixture are constituted is applied
Layer, growth promotes the growth in nanometer particle-modified PVD coatings 14 to promote nano-particle by calcium nano-particle, phosphorus nanoparticle
Son, zinc nano-particle or its mixture composition.
Calcium nano-particle, phosphorus nano-particle or zinc nano-particle in growth promotion nano-particle can be with joint prosthesis phases
Joint tissue even carries out ion exchange, when not only shortening the combination of joint prosthesis and the joint tissue being attached thereto in vivo
Between, both bond strengths are also enhanced, the growth healing of joint tissue can be effectively facilitated.
In one embodiment of this invention, in the PVD coatings 14 that growth promotes nanometer particle-modified, growth promotes nanometer
The part by weight of particle is about 5%-40%, and particle diameter is 1nm-100nm.
In another embodiment of the present invention, the thickness of PVD coatings 12 is 1 μm -15 μm, and the thickness of PVD coatings 12 can enter
One step is preferably 3 μm -6 μm, and the case hardness of PVD coatings 12 is 1500HV-5000HV.The case hardness of PVD coatings 12 can be entered
One step is preferably from about 2000HV-3500HV.
In another embodiment of the present invention, it is 1 μm of -15 μ that growth promotes the thickness of nanometer particle-modified PVD coatings 14
M, it can be more preferably 3 μm -6 μm that growth promotes the thickness of nanometer particle-modified PVD coatings 14.
In another embodiment of the present invention, the case hardness of the nanometer particle-modified PVD coatings 14 of growth promotion is
1000HV-3000HV.The case hardness of the nanometer particle-modified PVD coatings 14 of growth promotion can be more preferably about
1500HV-2500HV。
The preparation method of composite coating joint prosthesis 100 according to an embodiment of the invention comprises the following steps shown in Fig. 1：
Joint prosthesis 10 is provided；
Using PVD on the surface 10a of joint prosthesis 10 depositing Al CrN, CrAlN, CrN, AlTiN, TiAlN,
The nanometer hard coat that TiAlCrN, TiSiN, TiSiAlN, TiAlWN or its mixture are constituted is to form PVD coatings 12；And
The growth that will be made up of calcium nano-particle, phosphorus nano-particle, zinc nano-particle or its mixture promotes nano-particle
Import in PVD stove, promoted in the surface 12a formation growths of the PVD coatings 12 using PVD nanometer particle-modified
PVD coatings 14.
In one embodiment of this invention, the step of forming PVD coating 12 using PVD includes：Pass first into purity
It is 99.999% argon gas, the surface 10a of joint prosthesis 10 is cleaned under conditions of bias is for 800-1000V；Then stop logical
Enter argon gas, be passed through the nitrogen that purity is 99.999%, under conditions of bias is for 80-100V, open comprising for constituting PVD paintings
Layer 12 metal target, arc current is 120A-200A, using PVD after the cleaning joint prosthesis 10 surface 10a deposit shape
Into PVD coatings 12.
In one embodiment of this invention, growth is formed using PVD and promotes nanometer particle-modified PVD coatings 14
Step includes：Continue to be passed through the nitrogen that purity is 99.999%, under conditions of bias is for 80-100V, keep comprising for group
Into the opening of the target of the metal of PVD coatings 12, while import including calcium nano-particle, phosphorus nano-particle, zinc nano-particle
Or the growth of its mixture promotes nano-particle, arc current is 120A-200A, using PVD on the surface of PVD coatings 12
12a deposits to form the nanometer particle-modified PVD coatings 14 of growth promotion.
The embodiment of the present invention can form PVD coatings 12 and growth and promote by conventional PVD equipment using conventional PVD
Enter nanometer particle-modified PVD coatings 14.
It is described further below in conjunction with part more preferred embodiment of the invention.
Embodiment 1
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, CrAl targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Al CrN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of CrAl targets is kept, while importing the calcium nano-particle of 1nm-100nm, arc current is 120A-200A, is used
PVD in the nanometer particle-modified PVD coatings of the calcium that the surface deposit thickness of PVD coatings is 3 μm -6 μm, so as to form compound
Coating joint prosthesis.
Embodiment 2
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, CrAl targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Al CrN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of CrAl targets is kept, while importing the phosphorus nano-particle of 1nm-100nm, arc current is 120A-200A, is used
PVD in the nanometer particle-modified PVD coatings of the phosphorus that the surface deposit thickness of PVD coatings is 3 μm -6 μm, so as to form compound
Coating joint prosthesis.
Embodiment 3
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, AlTi targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Ti AlN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of AlTi targets is kept, while importing the phosphorus nano-particle of 1nm-100nm, arc current is 120A-200A, is used
PVD in the nanometer particle-modified PVD coatings of the phosphorus that the surface deposit thickness of PVD coatings is 3 μm -6 μm, so as to form compound
Coating joint prosthesis.
Embodiment 4
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, AlTi targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Ti AlN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of AlTi targets is kept, while importing the zinc nano-particle of 1nm-100nm, arc current is 120A-200A, is used
PVD in the nanometer particle-modified PVD coatings of the zinc that the surface deposit thickness of PVD coatings is 3 μm -6 μm, so as to form compound
Coating joint prosthesis.
Embodiment 5
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, AlTi targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Ti AlN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of AlTi targets is kept, while importing the calcium nano-particle and zinc nano-particle of 1nm-100nm, arc current is
120A-200A, uses PVD to promote for 3 μm -6 μm of growth in the surface deposit thickness of PVD coatings nanometer particle-modified
PVD coatings, so as to form composite coating joint prosthesis.
Embodiment 6
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, AlTi targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Ti AlN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of AlTi targets is kept, while importing the calcium nano-particle and phosphorus nano-particle of 1nm-100nm, arc current is
120A-200A, uses PVD to promote for 3 μm -6 μm of growth in the surface deposit thickness of PVD coatings nanometer particle-modified
PVD coatings, so as to form composite coating joint prosthesis.
Embodiment 7
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, AlTi targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Ti AlN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of AlTi targets is kept, while importing the zinc nano-particle and phosphorus nano-particle of 1nm-100nm, arc current is
120A-200A, uses PVD to promote for 3 μm -6 μm of growth in the surface deposit thickness of PVD coatings nanometer particle-modified
PVD coatings, so as to form composite coating joint prosthesis.
Embodiment 8
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, AlTi targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Ti AlN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of AlTi targets is kept, while the calcium nano-particle of 1nm-100nm, phosphorus nano-particle and zinc nano-particle are imported,
Arc current is 120A-200A, uses PVD in the surface deposit thickness of PVD coatings for 3 μm -6 μm of growth promotes nanoparticle
The modified PVD coatings of son, so as to form composite coating joint prosthesis.
Embodiment 9
Joint prosthesis is provided；
The argon gas (i.e. high-purity argon gas) that purity is 99.999% is passed through, under conditions of bias is for 800-1000V, people is cleaned
The surface in work joint；Then stop being passed through argon gas, be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be in bias
Under conditions of 80-100V, CrAl targets are opened, arc current is 120A-200A, using the table of PVD joint prosthesis after the cleaning
Face depositing Al CrN alloys form the PVD coatings that thickness is 3 μm -6 μm；
Then, continue to be passed through the nitrogen (i.e. high pure nitrogen) that purity is 99.999%, be the condition of 80-100V in bias
Under, the opening of CrAl targets is kept, while the calcium nano-particle of 1nm-100nm, phosphorus nano-particle and zinc nano-particle are imported,
Arc current is 120A-200A, uses PVD in the surface deposit thickness of PVD coatings for 3 μm -6 μm of growth promotes nanoparticle
The modified PVD coatings of son, so as to form composite coating joint prosthesis.
Although PVD technique is on the multidisciplinary basis such as modern physicses, chemistry, materialogy, electronics, mechanics known to one
On the engineering technology set up, will metal or nonmetallic target (institute's Coating Materials) under vacuum conditions, by physics mistake
Journey is deposited on the process for needing film-coating workpiece surface.But only with PVD technique joint prosthesis 10 surface Direct precipitation coating
Resulting joint prosthesis, it can not be combined with joint tissue connected in vivo well, metal material therein directly with
The joint contact being attached thereto in vivo, influences the healing in joint.And in embodiments of the present invention, by the surface of joint prosthesis
It is sequentially depositing PVD coatings and growth promotes nanometer particle-modified PVD coatings to form composite coating joint prosthesis, two coatings is not only
The hardness and wearability of joint prosthesis are enhanced, and growth promotes the nano-particle tool in nanometer particle-modified PVD coatings
There is good bioactivity, effectively promote the growth of coupled joint tissue.
Technology contents of the invention and technical characterstic have revealed that as above, but those of ordinary skill in the art still may base
Make a variety of replacements and modification without departing substantially from spirit of the present invention in teachings of the present invention and announcement.Therefore, protection model of the invention
Enclose the content that should be not limited to disclosed in embodiment, and should include various without departing substantially from replacement of the invention and modification, and be this patent
Application claims are covered.
Claims (10)
1. a kind of composite coating joint prosthesis, it includes：Joint prosthesis；Physical vapor is adhered on the surface of the joint prosthesis successively
Deposition PVD coatings and growth promote nanometer particle-modified PVD coatings, wherein the PVD coatings be AlCrN, CrAlN, CrN,
The nanometer hard coat that AlTiN, TiAlN, TiAlCrN, TiSiN, TiSiAlN, TiAlWN or its mixture are constituted, the growth
It is calcium nano-particle, phosphorus nano-particle, zinc nano-particle or its mixture to promote nano-particle.
2. composite coating joint prosthesis according to claim 1, wherein the growth promotes nano-particle in the growth
It is 5%-40% to promote the part by weight in nanometer particle-modified PVD coatings.
3. composite coating joint prosthesis according to claim 1, wherein the growth promotes the particle diameter of nano-particle to be
1nm-100nm。
4. composite coating joint prosthesis according to claim 1, wherein the thickness of the PVD coatings is 1 μm -15 μm, table
Surface hardness is 1500HV-5000HV.
5. composite coating joint prosthesis according to claim 1, the growth promotes nanometer particle-modified PVD coatings
Thickness is 1 μm -15 μm.
6. a kind of preparation method of composite coating joint prosthesis, it comprises the following steps：
Joint prosthesis is provided；
Using physical vapour deposition (PVD) PVD surface depositing Al CrN, CrAlN of the joint prosthesis, CrN, AlTiN,
The nanometer hard coat that TiAlN, TiAlCrN, TiSiN, TiSiAlN, TiAlWN or its mixture are constituted is to form PVD coatings；
Nano-particle is promoted to import in physical vapour deposition (PVD) PVD stove growth, using physical vapour deposition (PVD) PVD in institute
The surface for stating PVD coatings forms the nanometer particle-modified PVD coatings of growth promotion, wherein it is calcium that the growth promotes nano-particle
Nano-particle, phosphorus nano-particle, zinc nano-particle or its mixture.
7. the preparation method of composite coating joint prosthesis according to claim 6, wherein the growth promotes nano-particle
Part by weight in the growth promotes nanometer particle-modified PVD coatings is 5%-40%.
8. the preparation method of composite coating joint prosthesis according to claim 6, wherein the growth promotes nano-particle
Particle diameter be 1nm-100nm.
9. the preparation method of composite coating joint prosthesis according to claim 6, wherein forming described using PVD
The step of PVD coatings, includes：The argon gas that purity is 99.999% is passed first into, is cleaned under conditions of bias is for 800-1000V
The surface of the joint prosthesis；Then stop being passed through argon gas, be passed through the nitrogen that purity is 99.999%, be 80-100V in bias
Under conditions of, the target comprising the metal for constituting the PVD coatings is opened, arc current is 120A-200A, using PVD
The surface of the joint prosthesis after the cleaning deposits to form the PVD coatings.
10. the preparation method of composite coating joint prosthesis according to claim 6, wherein forming described using PVD
The step of growth promotes nanometer particle-modified PVD coatings includes：Continue to be passed through the nitrogen that purity is 99.999%, be in bias
Under conditions of 80-100V, the opening of the target comprising the metal for constituting the PVD coatings is kept, while importing described
Growth promotes nano-particle, and arc current is 120A-200A, deposits to form described on the surface of the PVD coatings using PVD
Growth promotes nanometer particle-modified PVD coatings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710183579.3A CN106924811A (en) | 2017-03-24 | 2017-03-24 | Composite coating joint prosthesis and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710183579.3A CN106924811A (en) | 2017-03-24 | 2017-03-24 | Composite coating joint prosthesis and preparation method thereof |
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| CN106924811A true CN106924811A (en) | 2017-07-07 |
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