CN1267158C - Polyetheretherketone total hip femoral head prosthesis material and preparation method thereof - Google Patents
Polyetheretherketone total hip femoral head prosthesis material and preparation method thereof Download PDFInfo
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- CN1267158C CN1267158C CN 200410025391 CN200410025391A CN1267158C CN 1267158 C CN1267158 C CN 1267158C CN 200410025391 CN200410025391 CN 200410025391 CN 200410025391 A CN200410025391 A CN 200410025391A CN 1267158 C CN1267158 C CN 1267158C
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Abstract
The present invention relates to a polyetheretherketone total hip femoral head prosthesis material and a preparation method thereof, which is used for the field of biomedicine. The material is formed from carbon fiber reinforced polyetheretherketone composite materials and is prepared from 10 wt% to 60 wt% of carbon fiber and polyetheretherketone as the rest. When chopped carbon fiber is used as the carbon fiber, the chopped carbon fiber and polyetheretherketone resin are firstly weighted according to the percentage by weight and are premixed in a high speed mixing machine; then, the chopped carbon fibers and the polyetheretherketone resin are mixed at high temperature, are extruded, are granulated and are compressed and formed by a double screw extruder. When continuous carbon fiber is used as carbon fiber, male fabric made from orthogonal reinforced carbon fiber and polyetheretherketone resin are overlapped firstly, the fiber reinforced direction is changed in the range of 0 to 90 DEG; then, the male fabric and the polyetheretherketone are put in a mould with a parallel plate to be compressed and formed. The present invention has the advantages of high abrasion resistance and good mechanics compatibility with bone tissue, and solves the problems of a series of complicating diseases of the loose of joint prostheses, bone resorption, osteanabrosis, etc. caused by prosthesis materials.
Description
Technical field
The present invention relates to a kind of full hip femoral head prosthesis material and preparation method thereof, specifically is a kind of ether-ether-ketone coxa caput femoris prosthetic material and preparation method thereof.Be used for the bio-medical composition field.
Background technology
The most effective Therapeutic Method of hip joint disease in late period is a replacement of total hip, and its main purpose is releasing hip pain, keeps the joint to stablize, improve function of joint, adjusts two lower limb length.Commercialization at present also only is confined to the full hip femoral head prosthesis that this three metalloid material of rustless steel (ferrous alloy), cobalt-base alloys and titanium-base alloy is made in clinical a large amount of uses, wherein cobalt alloy intensity height, abrasion resistance properties are good, biocompatibility is good, is a present most widely used class alloy.Produce so far from alloarthroplasty (THA), artificial joint prosthesis is loosening to be a difficult problem that perplexs the artificial joint surgical field for a long time always, also is one of major reason that causes the THA failure.Use fixedly artificial hip joint of acrylic acid bone cement the earliest, and be called first generation bone cement technology by the descendant, postoperative confirmed that loosening rate was up to 30% in 10 years.In order to improve the fixing of prosthese, part scholar is devoted to improve the bone cement technology, another part scholar has been developed the biological fixation technology of no bone cement, but has also run into the problem of prosthetic loosening, and its bone resorption and prosthetic loosening are also more serious than bone cement prosthese sometimes.Its reason mainly contains: 1, the elastic modelling quantity of rigid metallic material be bone 6-13 doubly, when being subjected to unit of force with one of the fixing formation of bone, stress will be concentrated down along the metal material of high elastic modulus and pass, and the osseous tissue of low elastic modulus absorbs gradually owing to lack stress stimulation, and this " stress shielding " effect makes prosthese lose the bone support and becomes flexible.2, after prosthese is inserted human body, move under stress condition and must wear and tear, a large amount of abrasive dusts that wearing and tearing produce enter into effective joint space, and activating macrophage causes the dissolving of osteoclast bone and causes prosthetic loosening.Therefore, development low modulus, anti abrasive joint material are the important directions of development.The low modulus characteristics of Yan Zhi polymer matrix composites were hopeful thorough solution " stress shielding " problem in the past, still also existed to wear no resistance, insert easily to produce a large amount of abrasive dusts initiations serious bone dissolving and loosening defective in the body.
Find by literature search, Chinese patent title: metal-based porous metal-oxide/hydroxyapatite cmposite artificial bone and preparation method, application number: 03142150.4, this patent is mentioned to a kind of metal-based porous metal-oxide/hydroxyapatite cmposite artificial bone, can effectively be used as the material of the bone substitute that bears big load position, for example femur, hip joint etc.Though this kind composite is by repeatedly putting metal oxide ceramic layer and hydroxyapatite layer on Metal Substrate, improved biocompatibility and mechanical property, but because the existence meeting of metal material can't thoroughly solve the disadvantage of " stress shielding " problem and generation abrasive dust inevitably.
Summary of the invention
The present invention is directed to above-mentioned deficiency and defective, a kind of ether-ether-ketone coxa caput femoris prosthetic material and preparation method thereof is provided, make it have high abrasion resistance, mechanical compatibility preferably be arranged, solve that the articular prosthesis that is now caused by joint abrasive dust, stress shielding and stress concentration with material at present becomes flexible and a series of complication such as bone resorption, osteanabrosis with osseous tissue.
The present invention is achieved by the following technical solutions, ether-ether-ketone coxa caput femoris prosthetic material of the present invention is a kind of full hip femoral head prosthesis material that forms with carbon fiber reinforced polyetheretherketonecomposite composite material, constituent that this composite comprises and percentage by weight thereof are: carbon fiber 10-60%, surplus is a polyether-ether-ketone.
Described polyether-ether-ketone can further improve its mechanical property and wearability after carbon fiber strengthens, used carbon fiber is chopped carbon fiber or continuous carbon fibre.
The preparation method of ether-ether-ketone coxa caput femoris prosthetic material of the present invention, can be divided into two kinds according to used carbon fiber kind difference: when carbon fiber adopts chopped carbon fiber, at first take by weighing chopped carbon fiber and polyether-ether-ketone resin according to percentage by weight, in high-speed mixer, carry out premixing, then with the double screw extruder high-temperature mixing, extrude, pelletize, compression molding; When carbon fiber adopts continuous carbon fibre, at first take by weighing enhanced carbon fiber plain of quadrature and polyether-ether-ketone resin, carry out lamination, the fiber reinforcement direction changes in 0-90 ° of scope, puts into the mould of parallel-plate then, compression molding.
In the method, described compression molding is: will need the material of mold pressing to put into mould, put into press behind the matched moulds, rise to 400 ℃ by room temperature, pressurization 20-50MPa heat-insulation pressure keeping 1-3 hour, reduces to 300 ℃ with the rate of temperature fall of 10-30 ℃/min from 400 ℃ then, then air-cooled immediately, the demoulding in the time of in temperature is reduced to 130-140 ℃ of scope.
The present invention has substantive distinguishing features and marked improvement, the present invention possesses following advantage and positive role: 1. the modulus of composite and human femur under loading are complementary, has the good mechanical compatibility with femur, for the stable bond of osseous tissue and prosthese, promote fixedly to have created biology good biomechanics environment.2. have certain intensity and high abrasion resistance.3. has excellent biological compatibility.4. can solve that the articular prosthesis that is now caused by joint abrasive dust, stress shielding and stress concentration with material at present becomes flexible and a series of complication such as bone resorption, osteanabrosis.
The specific embodiment
Below in conjunction with embodiment the present invention is described in detail.
Embodiment 1
The constituent of ether-ether-ketone coxa caput femoris prosthetic material and percentage by weight thereof are: carbon fiber 20%%, polyether-ether-ketone 80%.
Take by weighing 200g chopped carbon fiber and 800g polyether-ether-ketone resin, in high-speed mixer, carry out premixing, then with the double screw extruder high-temperature mixing, extrude, pelletize.The pellet of need mold pressing is put into mould, put into press behind the matched moulds, rise to 400 ℃ by room temperature, pressurization 20MPa, heat-insulation pressure keeping 2 hours is reduced to 300 ℃ with the rate of temperature fall of 20 ℃/min from 400 ℃ then, and is then air-cooled immediately, the demoulding when temperature is reduced to 140 ℃.
Embodiment 2
The constituent of ether-ether-ketone coxa caput femoris prosthetic material and percentage by weight thereof are: carbon fiber 10%%, polyether-ether-ketone 90%.
Take by weighing enhanced carbon fiber plain of 100g quadrature and 900g polyether-ether-ketone resin, carry out lamination, the fiber reinforcement direction is 0 °.Above-mentioned laminated material is put into the mould of parallel-plate, put into press behind the matched moulds, rise to 400 ℃ by room temperature, pressurization 40MPa, heat-insulation pressure keeping 3 hours is reduced to 300 ℃ with the rate of temperature fall of 10 ℃/min from 400 ℃ then, then air-cooled immediately, the demoulding when temperature is reduced to 135 ℃.
Embodiment 3
The constituent of ether-ether-ketone coxa caput femoris prosthetic material and percentage by weight thereof are: carbon fiber 40%, polyether-ether-ketone 60%.
Take by weighing enhanced carbon fiber plain of 400g quadrature and 600g polyether-ether-ketone resin, carry out lamination, the fiber reinforcement direction is 45 °.Above-mentioned laminated material is put into the mould of parallel-plate, put into press behind the matched moulds, rise to 400 ℃ by room temperature, pressurization 50MPa, heat-insulation pressure keeping 1 hour is reduced to 300 ℃ with the rate of temperature fall of 30 ℃/min from 400 ℃ then, then air-cooled immediately, the demoulding when temperature is reduced to 130 ℃.
Embodiment 4
The constituent of ether-ether-ketone coxa caput femoris prosthetic material and percentage by weight thereof are: carbon fiber 60%, polyether-ether-ketone 40%.
Take by weighing enhanced carbon fiber plain of 600g quadrature and 400g polyether-ether-ketone resin, carry out lamination, the fiber reinforcement direction is 45 °.Above-mentioned laminated material is put into the mould of parallel-plate, put into press behind the matched moulds, rise to 400 ℃ by room temperature, pressurization 30MPa, heat-insulation pressure keeping 2 hours is reduced to 300 ℃ with the rate of temperature fall of 10 ℃/min from 400 ℃ then, then air-cooled immediately, the demoulding when temperature is reduced to 135 ℃.
Embodiment 1-4 effect is as follows:
| Polyether-ether-ketone | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Elastic modelling quantity (Gpa) | 3.8 | 20 | 26.3 | 93.9 | 138.9 |
| Hot strength (Mpa) | 94 | 224 | 387.6 | 1268.4 | 1855.6 |
The pottery wet grinding is 100 minutes wear test result show, the volume wear rate of titanium alloy, vitallium and UHMWPE is respectively 53.7 times, 21.6 times and 2.3 times of carbon fiber/polyetheretherketonecomposite composite material of embodiment 3 preparation, illustrate that the composite that the present invention prepares has high abrasion resistance.
Simultaneously, the bone cylindrical body of rabbit is inserted experimental result and is shown, the carbon fiber/polyetheretherketonecomposite composite material of embodiment 1-4 preparation shows good biocompatibility and mechanical compatibility.
Claims (3)
1, a kind of ether-ether-ketone coxa caput femoris prosthetic material, it is characterized in that, described full hip femoral head prosthesis material forms with chopped carbon fiber or two kinds of composites of continuous carbon fibre reinforced polyether ether ketone, its component and percentage by weight thereof are: carbon fiber 10-60%, surplus is a polyether-ether-ketone.
2, a kind of preparation method of ether-ether-ketone coxa caput femoris prosthetic material, it is characterized in that, its constituent of described prosthetic material and percentage by weight thereof are: carbon fiber 10-60%, surplus is a polyether-ether-ketone, when carbon fiber adopts chopped carbon fiber, at first take by weighing chopped carbon fiber and polyether-ether-ketone resin, in high-speed mixer, carry out premixing according to percentage by weight, then with the double screw extruder high-temperature mixing, extrude, pelletize, compression molding; When carbon fiber adopts continuous carbon fibre, at first take by weighing enhanced carbon fiber plain of quadrature and polyether-ether-ketone resin, carry out lamination, the fiber reinforcement direction changes in 0-90 ° of scope, puts into the mould of parallel-plate then, compression molding.
3, the preparation method of ether-ether-ketone coxa caput femoris prosthetic material according to claim 2, it is characterized in that, described compression molding is: will need the material of mold pressing to put into mould, put into press behind the matched moulds, rise to 400 ℃, pressurization 20-50MPa by room temperature, heat-insulation pressure keeping 1-3 hour, reduce to 300 ℃ with the rate of temperature fall of 10-30 ℃/min from 400 ℃ then, then air-cooled immediately, the demoulding in the time of in temperature is reduced to 130-140 ℃ of scope.
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| CN 200410025391 CN1267158C (en) | 2004-06-24 | 2004-06-24 | Polyetheretherketone total hip femoral head prosthesis material and preparation method thereof |
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| CN 200410025391 CN1267158C (en) | 2004-06-24 | 2004-06-24 | Polyetheretherketone total hip femoral head prosthesis material and preparation method thereof |
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| CN1593670A CN1593670A (en) | 2005-03-16 |
| CN1267158C true CN1267158C (en) | 2006-08-02 |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0604061D0 (en) * | 2006-03-01 | 2006-04-12 | Invibio Ltd | Polymetric materials |
| CN100427150C (en) * | 2006-11-09 | 2008-10-22 | 清华大学 | The composite material of pearl powder/PEEK quasi natural bone, its preparation method and applications |
| CN101450517B (en) * | 2007-12-05 | 2011-07-20 | 林芳寿 | Preparation method of cage by embedded grade granular PEEK |
| CN102058906A (en) * | 2010-11-24 | 2011-05-18 | 南京理工大学 | Nanoparticle-reinforced polyether-ether-ketone joint prosthesis material as well as preparation method and application thereof |
| CN103747813B (en) * | 2011-07-13 | 2016-11-16 | 凯瑟琳·卡多雷尔 | The composite component that is implanted into for bone and for the method manufacturing described parts |
| CN102490350B (en) * | 2011-10-10 | 2014-12-17 | 黄登峰 | Process using poly ether ether ketone (PEEK) materials to manufacture cerebral cranium bones and special equipment and application thereof |
| EP2786854B1 (en) * | 2011-11-29 | 2018-02-14 | Wuhan Constant Science and Technology Ltd. | Process utilizing peek material to manufacture cerebral cranium bone and special equipment |
| CN102602000B (en) * | 2012-03-02 | 2014-07-30 | 北京奥精医药科技有限公司 | Implantable PEEK (polyetheretherketone) cold-pressing sintering molding method and spinal fusion cage |
| JP2016506263A (en) * | 2012-12-20 | 2016-03-03 | ソルベイ スペシャルティ ポリマーズ ユーエスエー， エルエルシー | Prosthesis |
| CN103602039B (en) * | 2013-11-13 | 2015-04-01 | 长春工业大学 | Preparation method of carbon fiber reinforced polyether ether ketone composite material |
| CN105310802B (en) * | 2014-06-03 | 2017-09-19 | 深圳兰度生物材料有限公司 | Artificial intervertebral disk and preparation method thereof |
| CN105030378B (en) * | 2015-05-15 | 2017-11-03 | 江苏奥康尼医疗科技发展有限公司 | A kind of high-molecular organic material semi-artificial hip joint prosthese |
| CN105748174A (en) * | 2016-05-17 | 2016-07-13 | 嘉思特华剑医疗器材(天津)有限公司 | Non-metal ball hip joint prosthesis |
| CN109966550B (en) * | 2019-03-15 | 2021-05-07 | 济宁医学院 | Nanoparticle @ graphene/polyether-ether-ketone composite material and preparation method and application thereof |
| CN110613535A (en) * | 2019-10-25 | 2019-12-27 | 北京安颂科技有限公司 | Femoral stem prosthesis and method of making same |
| CN114350108A (en) * | 2021-11-09 | 2022-04-15 | 航天科工防御技术研究试验中心 | Toughened carbon fiber woven fabric reinforced polyether-ether-ketone composite material and preparation method thereof |
| CN115581815B (en) * | 2022-10-12 | 2023-07-28 | 江苏君华特种工程塑料制品有限公司 | Continuous carbon fiber CF/PAEK thermoplastic composite material femur bone fracture plate and preparation method thereof |
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