CN101347358A - Titanium alloy artificial hip joint with abrasion-proof ceramic coat and method for producing the same - Google Patents
Titanium alloy artificial hip joint with abrasion-proof ceramic coat and method for producing the same Download PDFInfo
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- CN101347358A CN101347358A CN 200810137090 CN200810137090A CN101347358A CN 101347358 A CN101347358 A CN 101347358A CN 200810137090 CN200810137090 CN 200810137090 CN 200810137090 A CN200810137090 A CN 200810137090A CN 101347358 A CN101347358 A CN 101347358A
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- China
- Prior art keywords
- titanium alloy
- abrasion
- ceramic coat
- femoral head
- proof ceramic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Abstract
The invention relates to a titanium alloy artificial hip joint provided with a wear-resistant ceramic coat and a manufacturing method thereof, which relates to the titanium alloy artificial hip joint and the manufacturing method thereof. The invention solves the problems existing in the existing caput femoris provided with a film of thin film thickness, low bonding strength of the film and a matrix, poor mechanical bearing strength and bad wear resistance and durable stability. The wear-resistant ceramic coat is coated on the spherical surface of the titanium alloy caput femoris and the surface of a titanium alloy articulation coax cup. A cylindrical slot that has fit connection with a femur handle is arranged on the upper end surface of the titanium alloy caput femoris. The method of the invention is that the joint is polished, shielded, installed and blocked; then the joint is processed by spark intensifying electrochemical oxidation to produce the wear-resistant ceramic coat; the joint is taken out, cleaned and dried; and finally, the surface of the joint is processed by polishing treatment. The artificial hip joint of the invention has the advantages of thick caput femoris film, strong bonding strength of the film and the matrix, good mechanical bearing strength and sound wear resistance and durable stability, etc. And the manufacturing method of the invention has simple process flows.
Description
Technical field
The present invention relates to a kind of titanium alloy artificial hip joint and manufacture method thereof.
Background technology
Replacement of Hip Joint has become a kind of effective Therapeutic Method of treatment hip joint disease.But when the human body normal activity, because under the rubbing action of mechanical loading and relative motion, the femoral head implant can produce wearing and tearing usually or cause the wearing and tearing of antithesis articular cartilage.Though pottery femoral head anti-wear performance is good, the toughness low-quality is crisp, and the load performance that withstands shocks is poor, and application is restricted.Titanium alloy has good biocompatibility, be employed as the femoral head material, but its hardness is low, wears no resistance.Granted publication number is 2 days a utility model patent of JIUYUE in 1987 disclosed " the wide beam hybrid ionic injects the titanium alloy artificial full hip-joint " with wide beam hybrid ionic (N for CN86202828, Granted publication day
++ N
+ 2) be that 50KeV～100KeV, dosage are 10 at energy
16/ cm
2～10
18/ cm
2In the scope titanium alloy is carried out the vertical injection, formed high rigidity TiN thin layer on the surface; Granted publication number for CN1715439A, Granted publication day be the patent of invention disclosed " titanium alloy artificial joint head surface titanium oxide is to the method for making of titanium nitride gradient wear resistant layer " on January 4th, 2006 with comprehensive ion implantation apparatus to the first high target temperature injecting nitrogen ion of titanium alloy ball and socket joint, the target temperature is 600 ℃～700 ℃, and implantation dosage is 10
17/ cm
2～10
18/ cm
2Then the sample that the first step is injected again high dose inject oxonium ion, the target temperature is room temperature～300 ℃, implantation dosage is 10
18/ cm
2～10
19/ cm
2, get titanium oxide surface-titanium nitride gradient film titanium alloy ball and socket joint sample.More than two patents adopt the ganoine thin film of ion implantation preparation all to strengthen capital wearability, alleviated the wearing and tearing of cartilage material (UHMWPE).But the above-mentioned femoral head that has thin layer exists, and film thickness is thin, thin film and substrate combinating strength is low, the defective of mechanics bearing capacity difference and wear-resisting lasting stability difference.Therefore on the femoral head of instructions for use harshness, be difficult to obtain good effect.
Summary of the invention
The objective of the invention is to have in order to solve the existing femoral head that has thin layer that film thickness is thin, thin film and substrate combinating strength is low, the problem of mechanics bearing capacity difference and wear-resisting lasting stability difference, and then provide a kind of titanium alloy artificial hip joint and manufacture method thereof with abrasion-proof ceramic coat.
The titanium alloy hip cup that the titanium alloy artificial hip joint of band abrasion-proof ceramic coat of the present invention comprises the titanium alloy femoral head and cooperates with its antithesis, described hip joint also comprises abrasion-proof ceramic coat, described abrasion-proof ceramic coat be coated on the capital sphere of titanium alloy and the surface of titanium alloy hip cup on, have the cylindrical groove that is connected with strand handle on the capital upper surface of described titanium alloy.
The manufacture method of the titanium alloy artificial hip joint of band abrasion-proof ceramic coat of the present invention is finished like this: step 1, the titanium alloy femoral head of pre-ceramic treatment and titanium alloy hip cup are distinguished sanding and polishing to minute surface, two anchor clamps are installed on the bottom surface of the cylindrical groove on the titanium alloy femoral head upper surface respectively and on the titanium alloy hip cup, and with the insulation shielding object filling of the cylindrical groove on the titanium alloy femoral head upper surface, simultaneously an anode contact wire is embedded in the insulation shielding object, and the anode contact wire is connected with anchor clamps on the cylindrical groove bottom surface, and another root anode contact wire is connected with anchor clamps on the titanium alloy hip cup; Step 2, the titanium alloy femoral head that will clamp and titanium alloy hip cup are as anode, place electrolyte to carry out spark respectively and strengthen electrochemical oxidation, corrosion resistant plate is as negative electrode, temperature＜50 by cooling system control electrolyte in oxidizing process ℃, adopt the bipolar pulse power supply to produce abrasion-proof ceramic coat with the disruptive discharge of titanium alloy surface, the thickness of coating is 6 μ m～40 μ m; Step 3, will take out, and remove insulation shielding object, anchor clamps and anode contact wire with the titanium alloy femoral head of abrasion-proof ceramic coat and titanium alloy hip cup; The titanium alloy femoral head of step 4, cleaning tape abrasion-proof ceramic coat and titanium alloy hip cup; The titanium alloy femoral head of step 5, dry zone abrasion-proof ceramic coat and titanium alloy hip cup; Step 6, the band titanium alloy femoral head of abrasion-proof ceramic coat and titanium alloy hip cup are carried out surface finish handle, remove outmost surface porosity and looseness layer, obtain smooth ceramic coating, the thickness of coating is 5 μ m～30 μ m.
The present invention compared with prior art has following beneficial effect: one, the present invention has the titanium alloy femoral head of abrasion-proof ceramic coat, its titanium oxide surface ceramic coating, strengthen capital wearability, improve biocompatibility and decay resistance again, the present invention substitutes Co-Cr-Mo alloy femoral head with the titanium alloy femoral head of band wear-resistant ceramic layer, avoided the galvanic corrosion problem that causes because of potential difference between titanium alloy thigh handle and Co-Cr-Mo alloy femoral head dissimilar metal, the titanium alloy hip cup of the present invention and femoral head antithesis also adopts titanium alloy, same its outer surface growth ceramic coating, two antithesis surface is growing nano titanium oxide bioceramic all, the antifriction quality of titanium oxide own is good, in addition, titania coating and joint fluid wettability are good, surface pit slightly helps storing lubricating fluid, improve the contact lubricated state of antithesis friction surface, effectively reduce the joint friction, prolong the service life that femoral head and titanium alloy hip cup are planted body subsidiary wearing and tearing; Two, the present invention has the titanium alloy femoral head and the titanium alloy hip cup of abrasion-proof ceramic coat, the preparation method of its titanium oxide surface ceramic coating is an electrochemical oxidation process, be that erose femoral head of sphere or titanium alloy hip cup are placed electrolyte, produce ceramic coating by the even spark discharge effect in surface original position, be coated with the restriction that layer growth evenly and not is subjected to size and shape; Three, the present invention has the titanium alloy femoral head and the titanium alloy hip cup of abrasion-proof ceramic coat, its outer surface ceramic coating is after grinding and polishing is handled, fine and close slick interior working lining thickness is 5～30 microns, the bearing capacity height, and obviously reduce coefficient of friction, the femoral head mantle friction test rear surface polishing scratch and the pears ditch of no ceramic coating are a lot, and the titanium alloy joint of being with the very smooth no wear trace in surface of ceramic layer, the present invention to have abrasion-proof ceramic coat can effectively reduce the wearing and tearing on friction pair surface; Four, electrochemical oxidation growth ceramic coating technology is clean and pollution-free, to goods mechanical property not damaged, technology allows disposable processing accumulation large tracts of land goods, therefore can realize that femoral head is once produced in batches, the ceramic coating of growth can use after only needing surperficial grinding and polishing to handle, and technological process is simple, economic, practical.
Description of drawings
Fig. 1 is the overall structure sketch map of the titanium alloy artificial hip joint of band abrasion-proof ceramic coat of the present invention, Fig. 2 is the electrochemical oxidation titanium alloy femoral head of the present invention sketch map that is installed in electrolysis bath, and Fig. 3 is the electrochemical oxidation titanium alloy hip cup of the present invention sketch map that is installed in electrolysis bath.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1, the titanium alloy hip cup 4 that present embodiment comprises titanium alloy femoral head 5 and cooperates with its antithesis, described hip joint also comprises abrasion-proof ceramic coat 2, described abrasion-proof ceramic coat 2 is coated on the sphere of titanium alloy femoral head 5 and on the surface of titanium alloy hip cup 4, has the cylindrical groove 3 that is connected with strand handle on the upper surface of described titanium alloy femoral head 5.
The specific embodiment two: present embodiment is described in conjunction with Fig. 2 and Fig. 3, the manufacture method of the titanium alloy artificial hip joint of the band abrasion-proof ceramic coat of present embodiment is finished like this: step 1, the titanium alloy femoral head 5 of pre-ceramic treatment and titanium alloy hip cup 4 are distinguished sanding and polishings to minute surface, two anchor clamps 7 are installed on the bottom surface of the cylindrical groove 3 on titanium alloy femoral head 5 upper surfaces respectively and on the titanium alloy hip cup 4, and with 8 fillings of the 3 usefulness insulation shielding objects of the cylindrical groove on titanium alloy femoral head 5 upper surfaces, simultaneously an anode contact wire 6 is embedded in the insulation shielding object 8, and anode contact wire 6 is connected with anchor clamps 7 on cylindrical groove 3 bottom surfaces, and another root anode contact wire 6 is connected with anchor clamps 7 on the titanium alloy hip cup 4; Step 2, the titanium alloy femoral head 5 that will clamp and titanium alloy hip cup 4 are as anode, place electrolyte 9 to carry out spark respectively and strengthen electrochemical oxidation, corrosion resistant plate is as negative electrode, temperature＜50 by cooling system control electrolyte 9 in oxidizing process ℃, adopt the bipolar pulse power supply to produce abrasion-proof ceramic coat 2 with the disruptive discharge of titanium alloy surface, the thickness of coating is 6 μ m～40 μ m; Step 3, will take out, and remove insulation shielding object 8, anchor clamps 7 and anode contact wire 6 with the titanium alloy femoral head 5 of abrasion-proof ceramic coat 2 and titanium alloy hip cup 4; The titanium alloy femoral head 5 of step 4, cleaning tape abrasion-proof ceramic coat 2 and titanium alloy hip cup 4; The titanium alloy femoral head 5 of step 5, dry zone abrasion-proof ceramic coat 2 and titanium alloy hip cup 4; Step 6, the band titanium alloy femoral head 5 of abrasion-proof ceramic coat 2 and titanium alloy hip cup 4 are carried out surface finish handle, remove outmost surface porosity and looseness layer, obtain smooth ceramic coating, the thickness of coating is 5 μ m～30 μ m.
The specific embodiment three: in conjunction with Fig. 2 present embodiment is described, the difference of the present embodiment and the specific embodiment two is: present embodiment is made by aluminium alloy or titanium alloy material at anchor clamps described in the step 17.Make anchor clamps closely contact with titanium alloy hip cup 4, avoided under the electrion situation, ablating because of loose contact causes contact point with titanium alloy femoral head 5.
The specific embodiment four: present embodiment is described in conjunction with Fig. 2, the difference of the present embodiment and the specific embodiment two is: present embodiment is formulated by calcic or phosphorated electrolyte and deionized water at electrolyte described in the step 29, the quality proportioning of described electrolyte and deionized water is (5～50): 1000, and the calcic electrolyte is calcium acetate or calcium oxalate; Phosphorous electrolyte is sodium dihydrogen phosphate, dibastic sodium phosphate, sodium hexameta phosphate or sodium glycerophosphate.Above-mentioned electrolyte does not contain harmful ion, enters these calcics and phosphorus substance tool biocompatibility in the coating by micro-arc discharge.
The specific embodiment five: present embodiment is described in conjunction with Fig. 2, the difference of the present embodiment and the specific embodiment four is: present embodiment is formulated by calcic or phosphorated electrolyte, pH value regulator and deionized water at electrolyte described in the step 29, the quality proportioning of described electrolyte, pH value regulator and deionized water is (2～10): 1000, and the calcic electrolyte can be calcium acetate or calcium oxalate; Phosphorous electrolyte can be sodium dihydrogen phosphate, dibastic sodium phosphate, sodium hexameta phosphate or sodium glycerophosphate, and the pH value regulator is NaOH.Adjust the pH value of electrolyte.
The specific embodiment six: present embodiment is described in conjunction with Fig. 2, the difference of the present embodiment and the specific embodiment two is: present embodiment is 400V～600V in the pulse voltage of the power supply of bipolar pulse described in the step 2, frequency is 400Hz～800Hz, and dutycycle is 4%～20%.Electrical quantity is controlled in the above-mentioned scope, and micro-arc discharge is even, and coating fast growth, quality are good.
The specific embodiment seven: in conjunction with Fig. 2 present embodiment is described, the difference of the present embodiment and the specific embodiment two is: present embodiment is 0.4 μ m～0.6 μ m in the surface roughness Ra of abrasion-proof ceramic coat described in the step 62.Fine and close slick coating obviously reduces coefficient of friction, improves the anti-wear performance on titanium alloy femoral head and titanium alloy hip cup antithesis surface, prolongs the service life of implant.
Claims (7)
1, a kind of titanium alloy artificial hip joint with abrasion-proof ceramic coat, the titanium alloy hip cup (4) that it comprises titanium alloy femoral head (5) and cooperates with its antithesis, it is characterized in that: described hip joint also comprises abrasion-proof ceramic coat (2), described abrasion-proof ceramic coat (2) is coated on the sphere of titanium alloy femoral head (5) and on the surface of titanium alloy hip cup (4), has the cylindrical groove (3) that is connected with strand handle on the upper surface of described titanium alloy femoral head (5).
2, a kind of manufacture method of the titanium alloy artificial hip joint with abrasion-proof ceramic coat, the step that it is characterized in that described method is: step 1, the titanium alloy femoral head (5) of pre-ceramic treatment and titanium alloy hip cup (4) are distinguished sanding and polishing to minute surface, two anchor clamps (7) are installed on the bottom surface of the cylindrical groove (3) on titanium alloy femoral head (5) upper surface respectively and on the titanium alloy hip cup (4), and with insulation shielding object (8) filling of the cylindrical groove (3) on titanium alloy femoral head (5) upper surface, simultaneously an anode contact wire (6) is embedded in the insulation shielding object (8), and anode contact wire (6) is connected with anchor clamps (7) on cylindrical groove (3) bottom surface, and another root anode contact wire (6) is connected with anchor clamps (7) on the titanium alloy hip cup (4); Step 2, the titanium alloy femoral head (5) that will clamp and titanium alloy hip cup (4) are as anode, place electrolyte (9) to carry out spark respectively and strengthen electrochemical oxidation, corrosion resistant plate is as negative electrode, temperature＜50 by cooling system control electrolyte (9) in oxidizing process ℃, adopt the bipolar pulse power supply to produce abrasion-proof ceramic coat (2) with the disruptive discharge of titanium alloy surface, the thickness of coating is 6 μ m～40 μ m; Step 3, will take out, and remove insulation shielding object (8), anchor clamps (7) and anode contact wire (6) with the titanium alloy femoral head (5) of abrasion-proof ceramic coat (2) and titanium alloy hip cup (4); The titanium alloy femoral head (5) of step 4, cleaning tape abrasion-proof ceramic coat (2) and titanium alloy hip cup (4); The titanium alloy femoral head (5) of step 5, dry zone abrasion-proof ceramic coat (2) and titanium alloy hip cup (4); Step 6, the titanium alloy femoral head (5) of band abrasion-proof ceramic coat (2) and titanium alloy hip cup (4) are carried out surface finish handle, removal outmost surface porosity and looseness layer obtains smooth ceramic coating, and the thickness of coating is 5 μ m～30 μ m.
3, according to the manufacture method of the titanium alloy artificial hip joint of the described band abrasion-proof ceramic coat of claim 2, it is characterized in that: make by aluminium alloy or titanium alloy material at anchor clamps described in the step 1 (7).
4, according to the manufacture method of the titanium alloy artificial hip joint of the described band abrasion-proof ceramic coat of claim 2, it is characterized in that: formulated by calcic or phosphorated electrolyte and deionized water at electrolyte described in the step 2 (9), the quality proportioning of described electrolyte and deionized water is (5～50): 1000, and the calcic electrolyte is calcium acetate or calcium oxalate; Phosphorous electrolyte is sodium dihydrogen phosphate, dibastic sodium phosphate, sodium hexameta phosphate or sodium glycerophosphate.
5, according to the manufacture method of the titanium alloy artificial hip joint of the described band abrasion-proof ceramic coat of claim 2, it is characterized in that: formulated by calcic or phosphorated electrolyte, pH value regulator and deionized water at electrolyte described in the step 2 (9), the quality proportioning of described electrolyte and deionized water is (5～50): 1000, the quality proportioning of described pH value regulator and deionized water is (2～10): 1000, and the calcic electrolyte can be calcium acetate or calcium oxalate; Phosphorous electrolyte can be sodium dihydrogen phosphate, dibastic sodium phosphate, sodium hexameta phosphate or sodium glycerophosphate, and the pH value regulator is NaOH.
6, according to the manufacture method of the titanium alloy artificial hip joint of the described band abrasion-proof ceramic coat of claim 2, it is characterized in that: the pulse voltage at the power supply of bipolar pulse described in the step 2 is 400V～600V, frequency is 400Hz～800Hz, and dutycycle is 4%～20%.
7, according to the manufacture method of the titanium alloy artificial hip joint of the described band abrasion-proof ceramic coat of claim 2, it is characterized in that: the surface roughness Ra at abrasion-proof ceramic coat described in the step 6 (2) is 0.4 μ m～0.6 μ m.
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| CN 200810137090 CN101347358B (en) | 2008-09-10 | 2008-09-10 | Method for producing titanium alloy artificial hip joint with abrasion-proof ceramic coat |
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|---|---|---|---|
| CN 200810137090 CN101347358B (en) | 2008-09-10 | 2008-09-10 | Method for producing titanium alloy artificial hip joint with abrasion-proof ceramic coat |
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| CN101347358A true CN101347358A (en) | 2009-01-21 |
| CN101347358B CN101347358B (en) | 2012-04-25 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210615A (en) * | 2010-04-08 | 2011-10-12 | 让·克劳德·卡尔蒂利耶 | Series of acetabular implants of different sizes |
| WO2012045248A1 (en) * | 2010-10-08 | 2012-04-12 | Li Yadong | Artificial hip joint consisting of multi-layer shell core composite structural components |
| CN101775171B (en) * | 2010-01-29 | 2012-05-23 | 南京航空航天大学 | Method for processing surface superfine texture of ultrahigh molecular weight polyethylene material for artificial joint |
| CN104546226A (en) * | 2013-10-11 | 2015-04-29 | 浙江一火科技有限公司 | Artificial hip joint and manufacturing method thereof |
| CN104840275A (en) * | 2015-05-22 | 2015-08-19 | 中奥汇成科技股份有限公司 | Artificial hip joint |
| CN106109059A (en) * | 2016-08-05 | 2016-11-16 | 北京爱康宜诚医疗器材有限公司 | Borrowed structure |
| CN107505192A (en) * | 2017-06-23 | 2017-12-22 | 天津市天津医院 | Acetabular bone simulation fixture and preparation method thereof |
| CN107595440A (en) * | 2017-09-29 | 2018-01-19 | 北京爱康宜诚医疗器材有限公司 | Acetabular component |
| CN113500194A (en) * | 2021-06-17 | 2021-10-15 | 西安理工大学 | Preparation method of ordered multi-level pore structure tantalum bone implant |
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| US5152795A (en) * | 1990-04-25 | 1992-10-06 | Spire Corporation | Surgical implants and method |
| CN1031040C (en) * | 1989-11-16 | 1996-02-21 | 齐齐哈尔轻工学院 | Biological active coating-Ti alloy man-made bone, joint and its preparation |
| SE517365C2 (en) * | 1998-03-19 | 2002-05-28 | Biomat System Ab | Ceramic silica nitride biomaterial and method for its manufacture |
| CN100372807C (en) * | 2006-09-01 | 2008-03-05 | 哈尔滨医科大学 | Shaping method of nanometer bioceramic artificial joint |
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| CN101775171B (en) * | 2010-01-29 | 2012-05-23 | 南京航空航天大学 | Method for processing surface superfine texture of ultrahigh molecular weight polyethylene material for artificial joint |
| CN102210615A (en) * | 2010-04-08 | 2011-10-12 | 让·克劳德·卡尔蒂利耶 | Series of acetabular implants of different sizes |
| CN102210615B (en) * | 2010-04-08 | 2015-06-17 | 让·克劳德·卡尔蒂利耶 | Series of acetabular implants of different sizes |
| WO2012045248A1 (en) * | 2010-10-08 | 2012-04-12 | Li Yadong | Artificial hip joint consisting of multi-layer shell core composite structural components |
| CN104546226A (en) * | 2013-10-11 | 2015-04-29 | 浙江一火科技有限公司 | Artificial hip joint and manufacturing method thereof |
| CN104840275A (en) * | 2015-05-22 | 2015-08-19 | 中奥汇成科技股份有限公司 | Artificial hip joint |
| CN106109059A (en) * | 2016-08-05 | 2016-11-16 | 北京爱康宜诚医疗器材有限公司 | Borrowed structure |
| CN114179281A (en) * | 2017-06-08 | 2022-03-15 | 卡酷思汽车配件(廊坊)有限公司 | Polyurethane molded part with integrated mounting aid, method for the production thereof and method for the mounting thereof |
| CN107505192A (en) * | 2017-06-23 | 2017-12-22 | 天津市天津医院 | Acetabular bone simulation fixture and preparation method thereof |
| CN107595440A (en) * | 2017-09-29 | 2018-01-19 | 北京爱康宜诚医疗器材有限公司 | Acetabular component |
| CN113500194A (en) * | 2021-06-17 | 2021-10-15 | 西安理工大学 | Preparation method of ordered multi-level pore structure tantalum bone implant |
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