CN105055050B - The method that patterned surface prepares low friction high rigidity artificial hip joint bulb - Google Patents

The method that patterned surface prepares low friction high rigidity artificial hip joint bulb Download PDF

Info

Publication number
CN105055050B
CN105055050B CN201510473611.2A CN201510473611A CN105055050B CN 105055050 B CN105055050 B CN 105055050B CN 201510473611 A CN201510473611 A CN 201510473611A CN 105055050 B CN105055050 B CN 105055050B
Authority
CN
China
Prior art keywords
hip joint
artificial hip
dimple
friction
laser
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.)
Active
Application number
CN201510473611.2A
Other languages
Chinese (zh)
Other versions
CN105055050A (en
Inventor
王作斌
魏晓凤
李文君
梁铂坚
付跃刚
李冰琳
宋正勋
翁占坤
董莉彤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun University of Science and Technology
Original Assignee
Changchun University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changchun University of Science and Technology filed Critical Changchun University of Science and Technology
Priority to CN201510473611.2A priority Critical patent/CN105055050B/en
Publication of CN105055050A publication Critical patent/CN105055050A/en
Application granted granted Critical
Publication of CN105055050B publication Critical patent/CN105055050B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Prostheses (AREA)
  • Laser Beam Processing (AREA)

Abstract

The present invention relates to a kind of method that patterned surface prepares low friction high rigidity artificial hip joint bulb, it is made up of vitallium material, feature is that patterning dimple array is formed on artificial hip joint bulb surface, patterning dimple array is prepared in artificial hip joint bulb friction surface with laser interference lithography, form the small-sized buffer of joint fluid or tissue fluid, reduce the real contact area between friction pair simultaneously, accommodate caused abrasive particle in friction process, reach the purpose of antifriction.The TRANSIENT HIGH TEMPERATURE of laser, make crystal grain refinement, material hardness enhancing, obtain low friction, high rigidity performance artificial hip joint.Artificial hip joint bulb of the invention has good greasy property, can reduce the rubbing action between artificial hip joint friction pair interface, reduce friction.Hardness enhancing simultaneously, reduces abrasion, optimizes friction, the polishing machine of existing artificial hip joint bulb.

Description

The method that patterned surface prepares low friction high rigidity artificial hip joint bulb
Technical field
The present invention relates to a kind of method that patterned surface prepares low friction high rigidity artificial hip joint bulb, belong to existing There is the improvement of artificial hip joint performance.
Background technology
Artificial joint replacement is to treat whole end stage joint illness most efficient method at present, can be obviously improved patient's Motor function and raising life quality.Because population continues aging and the notable extension of human longevity, there is an urgent need to develop The joint prosthesis of long-life.Therefore, need at present the key issue solved be exactly can be the hundreds of millions of osteoarthropathy in the whole world Patient provides super quality and competitive price, long life, the joint prosthesis of bio-compatible.
Joint prosthesis technology is related to the multi-disciplinary intersection such as materialogy, bio-tribology and engineering in medicine, is related to people Quality of life.The friction and wear behavior of joint prosthesis is a key factor for evaluating its quality.How people is improved The performance at work joint-friction interface, and then the service life for significantly improving joint prosthesis has become a crowd world of interest Problem.Domestic and international material and medical science and technology worker have carried out numerous studies to improving artificial joint material antiwear and friction reduction property, Focus primarily upon at present and surface modification treatment is carried out to traditional joint material, to improve material surface state and physics, chemistry Performance, so as to improve the anti-wear performance of artificial joint material, reduce coefficient of friction.
The Main Means for reaching improvement artificial joint material tribological property are modified by surface face coat method, surface Graft modification, plasma treatment, patterned surface etc..Found by the retrieval to prior art, Chinese invention patent number 200810137090.3 day for announcing 2009-01-21, Chinese invention patent number describes the titanium alloy people with abrasion-proof ceramic coat Work hip joint and its manufacture method, Chinese invention patent, 201210086231.X, publication date 2012-08-08, describe artificial Hip joint surface of friction pair film layer and preparation method thereof, the key of coating quality are interface bond strength between coating and matrix Size, this is most important in coating and more scabrous problem.Meanwhile the difference of the thermal coefficient of expansion of coating and matrix can be led Cause internal stress in material be present, and then influence the abrasion-resistance of joint prosthesis.
Patterned surface is micro- on micro/nano level micro-capsule patterning of the material surface structure with regular shape, surface Capsule has the function that to store lubricating fluid, matches somebody with somebody the lubricating status of secondary surface so as to improve to rub, realize the raising of tribological property.In State patent of invention 201010103613.X, day for announcing 2010-07-14, describe joint prosthesis ultra-high molecular weight polyethylene material Expect surface superfine texture processing method, improve its tribological property as artificial joint material.
The advantage of mating surface patterning, laser interference manufacture have other technologies can not in terms of patterned surface modification The potentiality and advantage of replacement.The technology is straight using pattern (the spatially Energy distribution of multicycle) caused by multi-beam laser interference Connect processing or modification material surface (curved surface or plane) forms high-precision nanoscale, micron order and the micro-nano corresponding with pattern and mixed The periodic structure of conjunction, obtain the material surface with specific physical and chemical characteristic.
Therefore, the present invention by laser interference manufacturing technology and patterning techniques R. concomitans in the table of artificial hip joint bulb In terms of the modification of face, overcome the deficiencies in the prior art, there is provided a kind of patterned surface prepares low friction high rigidity artificial hip joint Method, belong to the improvement to existing artificial hip joint performance, improve the hardness and tribological property of artificial hip joint.
The content of the invention
The technology of the present invention solves problem:Overcome the deficiencies in the prior art, there is provided one kind is real using laser interference photolithography technology The method that existing patterned surface prepares low friction high rigidity artificial hip joint bulb, this method have excellent controllability, good Stability and durability, and with exposure field area is big, efficiency high, be adapted to overcast to produce in enormous quantities the advantages of.Belong to pair The improvement of existing artificial hip joint performance, improve the hardness and tribological property of artificial hip joint.
The purpose of the present invention can be realized by following technical measures:A kind of patterned surface prepares low friction high rigidity people The method of work hip joint bulb, it is made up of vitallium material, it is characterised in that:Formed and schemed on artificial hip joint bulb surface Case dimple array, i.e., patterning dimple array is prepared with laser interference lithography in artificial hip joint bulb friction surface, including Following steps:
A. hip joint bulb is cleaned by ultrasonic;
B. three beam laser optical interference circuit systems are established, etch sample;
C. change Three-beam Interfere parameter, obtain structural cycle from nanoscale to micrometer-adjustable, the depth controllable cycle Property lattice structure;
D. optimize the parameters such as interference light intensity and the time for exposure of Three-beam Interfere system, obtain low friction high rigidity performance people Work hip joint bulb.
The patterning dimple array is made up of the periodically miniature dimple oldered array of large area, the dimple array week of preparation Phase is 1-10 μm, and dimple depth is 0.3-6 μm.
The three beam lasers interference system is made up of laser, beam splitting, refractive power and orthopedic systems, and one is sent by laser Shu Jiguang, it is divided into three beams coherent beam through divided beam system, divided beam system is by high reflective mirror, spectroscope, half-wave plate and polarizer group Into making three beams coherent light space symmetr through dioptric system, orthopedic systems carry out beam shaping before three light beams converge at sample, made They are irradiated on sample simultaneously with certain incidence angle, change three beams spatial light interferometric parameter, and parameter includes wavelength, space Angle, incidence angle, phase angle, polarization state, interference light intensity and time for exposure etc., make three beam laser interference system interference figures Characteristic size is interfered on artificial hip joint bulb surface from nanoscale to micrometer-adjustable and obtains different cycles, density, feature The dimple lattice structure of size and different depth.
Carry out beam shaping respectively to three-beam before three light beams converge at sample, orthopedic systems placed angle is according to light beam Incident angle depending on, make spot energy distribution more uniform, be shaped to uniform beam.
Laser output wavelength used is 1064nm, and Gauss beam reshaping time for exposure 10-70s, swashs into uniform beam Optical energy density is 0.15-0.26Jcm-2
Cycle, dimple depth and the pattern of adjustment artificial hip joint bulb surface dimple array, obtain low friction, high rigidity The surface of performance, obtain coefficient of friction and reduce 64%, the optimization artificial hip joint of hardness enhancing 40%.
The present invention has the advantage that compared with existing method and system:
(1) existing joint modification technology is mostly to realize hardness or the one-side optimization of tribology.Using laser interference Patterning dimple lattice structure prepared by method, optimizes the tribological property between joint-friction interface, while laser is instantaneous High temperature, during ablator, make crystal grain refinement, material hardness is improved simultaneously.
(2) present invention per beam of coherent light in light path due to all employ optical polarization device, to the polarization of every light beam State and luminous intensity are regulated and controled respectively, to improve the contrast of conoscope image, make the shape of conoscope image and quality more accurate The advantages that controllable.
(3) because laser interferometry can produce nanoscale to the structure plan of micrometer-adjustable, there is graphic feature The advantages of size is small, pattern density adjustability is good.
(4) due to laser interferometry make pattern caused by the present invention without mask, exposure field area is big, efficiency It is high, manufacture craft is relatively easy, have quick, large area, efficiently, be realized with a low cost artificial hip joint bulb patterning and reach and subtract The advantages of friction, high rigidity performance.
(5) micro-nano structure caused by laser interferometry makes the present invention can pass through Mechanical Moving wafer workpiece The method of platform or interference opticses realizes the preparation of large area periodic structure, has and makes large area periodicity dimple battle array The advantages of row.
(6) due to dimple array, the small-sized buffer of joint fluid or tissue fluid can be formed, while is reduced between friction pair Real contact area, accommodate caused abrasive particle in friction process, reach the purpose of antifriction.
Brief description of the drawings
Fig. 1 is the flow chart of the present invention;
Fig. 2 is artificial hip joint Sphere Model figure prepared by the present invention;
Fig. 3 is the system schematic that the present invention realizes artificial hip joint bulb dimple array using Three-beam Interfere;
Fig. 4 is the system light path figure that the present invention realizes artificial hip joint bulb dimple array using Three-beam Interfere;
Fig. 5 and Fig. 6 is dimple array structure pattern caused by Three-beam Interfere.
Embodiment
Shown in Fig. 1, the present invention is embodied as:
Patterning dimple array is formed on artificial hip joint bulb surface, i.e., uses and swashs in artificial hip joint bulb friction surface Light interference lithography prepares patterning dimple array, comprises the following steps:
A. hip joint bulb is cleaned by ultrasonic;
B. three beam laser optical interference circuit systems are established, etch sample;
C. change Three-beam Interfere parameter, obtain structural cycle from nanoscale to micrometer-adjustable, the depth controllable cycle Property lattice structure;
D. optimize the interference light intensity and exposure time parameter of Three-beam Interfere system, obtain low friction, high rigidity performance people Work hip joint bulb.
As shown in Fig. 2 the artificial hip joint Sphere Model figure prepared for the present invention;Artificial hip joint bulb sample is carried out It is cleaned by ultrasonic, is cleaned by ultrasonic 5min in acetone soln, absolute ethyl alcohol, deionized water solution successively, washes away surface contaminant.Take Build optical interference circuit as shown in Figure 3 to be interfered, prepare dimple lattice structure on artificial hip joint bulb surface, prepare design sketch As shown in Fig. 2 wherein dimple array period is 1-10 μm, dimple depth is 0.3-6 μm.
As shown in figure 3, the system signal of artificial hip joint bulb dimple array is realized using Three-beam Interfere for the present invention Figure.The laser interference system of use forms beam splitting system by 6 high reflective mirrors (M1-M6) and two spectroscopes (B1-B2).By laser Device (Laser) sends beam of laser, is turned back light path by speculum M4, then be divided into three beams coherent beam, beam splitting system by divided beam system System is into making three beams coherent light space symmetr, shaping system through dioptric system by high reflective mirror, spectroscope, half-wave plate and polarizer group System carries out beam shaping before three light beams converge at sample, makes them with certain incidence angle while is irradiated on sample, is formed Dimple lattice structure is patterned, as shown in Figure 5,6.
By changing three beams spatial light interferometric parameter, parameter includes wavelength, Space Angle, incidence angle, phase angle, polarization shape State, interference light intensity and time for exposure etc., make the characteristic size of three beam laser interference system interference figures from nanoscale to micron Level is adjustable, interferes obtaining the dimple point of different cycles, density, characteristic size and different depth on artificial hip joint bulb surface Battle array structure.
Carry out beam shaping respectively to three-beam before three light beams converge at sample, orthopedic systems placed angle is according to light beam Incident angle depending on, make spot energy distribution more uniform, be shaped to uniform beam.
As shown in figure 4, sending the laser of 1064nm wavelength by laser, it is divided into three beams through beam splitting, refractive power and orthopedic systems Coherent light, converges at artificial hip joint bulb surface, and incident light Space Angle is distributed into system centre axial symmetry, i.e., 0 °, 120 °, 240 °, with 5 ° of incident angles, light intensity and the polarization direction of each light beam are accurately controlled by wave plate and polarizer, polarization direction is TE-TE-TM, periodicity optical field distribution structure is formed, direct etching artificial hip joint bulb surface forms corresponding dimple battle array Array structure.

Claims (1)

1. a kind of method that patterned surface prepares low friction high rigidity artificial hip joint bulb, by vitallium material system Into, it is characterised in that:Patterning dimple array is formed on artificial hip joint bulb surface, i.e., in artificial hip joint bulb friction table Face prepares patterning dimple array with laser interference lithography, comprises the following steps:
A. hip joint bulb is cleaned by ultrasonic;
B. three beam laser optical interference circuit systems are established, etch sample;
C. change Three-beam Interfere parameter, obtain structural cycle from nanoscale to micrometer-adjustable, the controllable periodic points of depth Battle array structure;
D. optimize the parameters such as interference light intensity and the time for exposure of Three-beam Interfere system, obtain low friction high rigidity performance artificial Joint ball head;
E. the patterning dimple array is made up of the periodically miniature dimple oldered array of large area, the dimple array period of preparation For 1-10 μm, dimple depth is 0.3-6 μm;
F. cycle, dimple depth and the pattern of artificial hip joint bulb surface dimple array are adjusted, obtains low friction high rigidity The surface of energy, obtain coefficient of friction and reduce 64%, the optimization artificial hip joint of hardness enhancing 40%;
The three beam lasers interference system is swashed by laser, beam splitting, refractive power and orthopedic systems composition by what laser was sent Light, it is divided into three beams coherent light through beam splitting, refractive power and orthopedic systems, converges at artificial hip joint bulb surface, incident light Space Angle It is distributed into system centre axial symmetry, i.e., 0 °, 120 °, 240 °, with 5 ° of incident angles, by wave plate and polarizer, accurately control is each The light intensity of light beam and polarization direction, polarization direction TE-TE-TM, form periodicity optical field distribution structure, direct etching artificial Joint ball head surface forms corresponding dimple array structure;Optical polarization device is all employ per beam of coherent light in light path, Polarization state and luminous intensity to every light beam regulate and control respectively, to improve the contrast of conoscope image, make conoscope image Shape and quality more controllable precise;
Beam shaping is carried out before three light beams converge at sample, depending on orthopedic systems placed angle is according to the incident angle of light beam, Make spot energy distribution more uniform, be shaped to uniform beam;
Laser output wavelength used is 1064nm, and Gauss beam reshaping is into uniform beam, time for exposure 10-70s, laser energy Metric density is 0.15-0.26Jcm-2
CN201510473611.2A 2015-08-05 2015-08-05 The method that patterned surface prepares low friction high rigidity artificial hip joint bulb Active CN105055050B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510473611.2A CN105055050B (en) 2015-08-05 2015-08-05 The method that patterned surface prepares low friction high rigidity artificial hip joint bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510473611.2A CN105055050B (en) 2015-08-05 2015-08-05 The method that patterned surface prepares low friction high rigidity artificial hip joint bulb

Publications (2)

Publication Number Publication Date
CN105055050A CN105055050A (en) 2015-11-18
CN105055050B true CN105055050B (en) 2017-12-19

Family

ID=54484748

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510473611.2A Active CN105055050B (en) 2015-08-05 2015-08-05 The method that patterned surface prepares low friction high rigidity artificial hip joint bulb

Country Status (1)

Country Link
CN (1) CN105055050B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10737462B2 (en) * 2016-08-24 2020-08-11 Hyundai Motor Company Method for coating surface of moving part of vehicle and moving part of vehicle manufactured by the same
CN106842822A (en) * 2017-01-18 2017-06-13 长春理工大学 The laser interference nanometer lithography system of one step texturing modified titanium alloy implant surface

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7578851B2 (en) * 2005-12-23 2009-08-25 Howmedica Osteonics Corp. Gradient porous implant
CN101254138B (en) * 2008-03-28 2010-06-02 西北有色金属研究院 Micropore processing method of bone repairing body rough surface
CN101916042A (en) * 2010-07-23 2010-12-15 长春理工大学 Multi-beam semiconductor laser interference nanoimprinting technology and system
US8728563B2 (en) * 2011-05-03 2014-05-20 Palmaz Scientific, Inc. Endoluminal implantable surfaces, stents, and grafts and method of making same
CN102259826A (en) * 2011-06-22 2011-11-30 上海电机学院 Method and device for preparing micro nano composite periodic structure by using femtosecond laser beams
CN103706947B (en) * 2013-11-14 2015-10-28 中国科学技术大学 A kind of cycle pattern tunable micro-and nano-structural surface large area preparation method and system of processing
CN104708196B (en) * 2015-01-21 2017-05-10 长春理工大学 Manufacturing method for increasing effective photosensitive area of photoelectric material

Also Published As

Publication number Publication date
CN105055050A (en) 2015-11-18

Similar Documents

Publication Publication Date Title
Chkhalo et al. High-performance facility and techniques for high-precision machining of optical components by ion beams
CN105055050B (en) The method that patterned surface prepares low friction high rigidity artificial hip joint bulb
Kumar et al. Advances in the design and manufacturing of novel freeform optics
CN106624354B (en) Interfere micro-nano technology device and method based on the multi-beam laser of Darman raster and speculum
Wei et al. Surface modification of Co–Cr–Mo implant alloy by laser interference lithography
TW201040667A (en) Method for fabricating 3D microstructure
Kazanskiy et al. Nonparaxial effects in lensacon optical systems
Liu et al. First experimental observation of array of photonic jets from saw-tooth phase diffraction grating
CN111474616A (en) Method for preparing sub-wavelength metal grating by wide-beam femtosecond laser double pulses
Ma et al. A review of advances in fabrication methods and assistive technologies of micro-structured surfaces
CN106842822A (en) The laser interference nanometer lithography system of one step texturing modified titanium alloy implant surface
CN102941528B (en) Aluminum alloy material with high-precision super-smooth surface, polishing disk, polishing agent and polishing method
Michaelis et al. Incoherent beam shaping with freeform mirror
Zorina et al. Precision aspherization of the surface of optical elements by ion-beam etching
Korolkov et al. Application of nanotechnologies to the problems of diffractive optics
Neuss et al. Adhesion of human mesenchymal stem cells can be controlled by electron beam-microstructured titanium alloy surfaces during osteogenic differentiation
Takino et al. 5-axis control ultra-precision machining of complex-shaped mirrors for extreme ultraviolet lithography system
Heath et al. Closed-loop corrective beam shaping for laser processing of curved surfaces
Khatri et al. Optical design and fabrication of zinc selenide microlens array with extended depth of focus for biomedical imaging
Hu et al. Specifications and control of spatial frequency errors of components in two-beam laser static holographic exposure for pulse compression grating fabrication
Nie et al. A new polishing process for large-aperture and high-precision aspheric surface
Porat et al. Spiral phase plasma mirror
Jiang et al. Axial multi-focus stealth cutting method based on the fractional Fourier transform for quartz glass
Zabrodin et al. Ion-beam methods for high-precision processing of optical surfaces
CN115971646A (en) Method for preparing phase-change material super surface by utilizing ultrafast laser and optical path system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant