CN106956082A - Artificial lens preparation method - Google Patents
Artificial lens preparation method Download PDFInfo
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- CN106956082A CN106956082A CN201610018263.4A CN201610018263A CN106956082A CN 106956082 A CN106956082 A CN 106956082A CN 201610018263 A CN201610018263 A CN 201610018263A CN 106956082 A CN106956082 A CN 106956082A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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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
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/02—Artificial eyes from organic plastic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/30—Organic material
- B23K2103/42—Plastics
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- Physics & Mathematics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
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Abstract
The present invention proposes the method for preparing artificial lens.This method includes：(1) the thick embryo of artificial lens is provided, the thick embryo of artificial lens includes：Optics area, the optics area has upper optical surface and lower optical surface；And external zones, the external zones is around the optics area；(2) lasser cutting is carried out to the external zones, to form the artificial lens, the artificial lens includes：The optics area, the optics area includes the upper optical surface and the lower optical surface；And support member, the support member is connected with the optics area.Thus, it is possible to rapidly realize the cutting to the thick embryo of artificial lens, and then the production efficiency for preparing artificial lens can be improved.
Description
Technical field
The present invention relates to artificial crystal, in particular it relates to artificial lens preparation method.
Background technology
Artificial lens, also known as intraocular lens, can be by replacing itself muddy crystal of excision in operation implantation eyes
Precision optics, abbreviation IOL (intraocular lens, IOL).The method of artificial lens is prepared it is generally necessary to turning at present
Polymer lens blank, is prepared after the optical surface of two sides, and brill mills out both sides mechanics area and optics area profile, and polishing removes turning
After vestige and brill milling burr, you can obtain IOL finished products.With the development of IOL raw materials, material supplier have developed two
The IOL semi-finished product of face optical surface injection moulding, processing business only need to be from edge contour at brill milling.
Preparing artificial lens has three kinds of methods at present：The first, most common crystal embryo material be disk (Blank), by disk
Turning goes out after two optical surfaces (time of turnery processing one side is 2~3 minutes), then mills out both sides mechanics area and light through low temperature
School district profile, time-consuming about 2~3 minutes of the step, has thus obtained crystal crude product, has obtained a complete crystal thick
Product are time-consuming 6~9 minutes, and polishing removes the lathe marks and Technology of Face Milling Burr of crystal crude product, can obtain complete artificial lens；
Secondth, using the crystal embryo material for having optical surface with one side, another optical surface is prepared through lathe, then through low temperature milling
Technique obtains crystal crude product, obtains a complete crystal crude product and takes 4~6 minutes, re-polishing obtains artificial lens；3rd
Plant, using the crystal embryo material with two optical surfaces, save the time of two optical surfaces of processing, then through low temperature milling process just
Crystal crude product is can obtain, a complete crystal crude product is obtained and takes 2~3 minutes, re-polishing obtains artificial lens.
However, still having much room for improvement currently used for the method for preparing artificial lens.
The content of the invention
The application is that discovery based on inventor to following facts and problem and understanding are made：
Current artificial lens preparation method, generally existing process is slow, the artificial lens product that turnning and milling is obtained need into
The polishing of row long-time could be up to product for the requirement of artificial lens any surface finish degree, and production efficiency is relatively low, and mesh
The production cost of preceding artificial lens preparation method is higher.Inventor has found prepared by current artificial lens by further investigation
Method, with crystalline material through lathe and milling machine, obtains crystal crude product, time-consuming about 2~3 minutes of every crystal of turnning and milling, so
Handled again by polishing machine afterwards, can just obtain artificial lens finished product.And polishing machine can handle about 2000 crystal simultaneously, because
The production rate determining step of this whole crystal is crystal turnning and milling suddenly.And the high-accuracy diamond lathe and gold that crystal turnning and milling step is related to
The hard rock turnning and milling cost of charp tool is higher, therefore above-mentioned turnning and milling process does not only result in artificial lens process slowly, and needs height
Cost input is to meet high plant maintenance and consumptive material expense, in addition it is also necessary to which the personnel of rich experiences are operated.
It is contemplated that at least solving one of technical problem in above correlation technique to a certain extent.Therefore, the present invention is carried
Go out a kind of method for preparing artificial lens.This method process velocity is fast, production cost is low, it is possible to achieve batch production.According to
Embodiments of the invention, this method includes：(1) the thick embryo of artificial lens is provided, the thick embryo of artificial lens includes：Optics area,
The optics area has upper optical surface and lower optical surface；And external zones, the external zones is around the optics area；(2)
Lasser cutting is carried out to the external zones, to form the artificial lens, the artificial lens includes：The optics
Area, the optics area includes the upper optical surface and the lower optical surface；And support member, the support member and the light
School district is connected.Thus, it is possible to rapidly realize the cutting to the thick embryo of artificial lens, and then it can improve and prepare artificial lens
Production efficiency.
Embodiments in accordance with the present invention, the laser of the laser cutting includes nanosecond laser, picosecond laser and femtosecond laser
At least one.Be cut by laser using above-mentioned LASER Light Source, can avoid due to laser pulse width is excessive and in cutting
During the material that causes to form the thick embryo of artificial lens there is melting equivalent damage.
In embodiments in accordance with the present invention, step (2), the optical maser wavelength of the laser cutting is 248~10600nm.Thus,
It can avoid because laser energy is excessive, cause the material to form the thick embryo of artificial lens to occur melting during cutting etc. and damage
Wound, or laser energy are not enough, it is impossible to complete effective cutting to the thick embryo of artificial lens.
Embodiments in accordance with the present invention, in step (2), the optical maser wavelength of the laser cutting is 355~1560nm.By
This, can further improve the cutting effect to the thick embryo of artificial lens.
Embodiments in accordance with the present invention, in step (2), the optical maser wavelength of the laser cutting is 248nm, 355nm,
533nm, 710nm, 745nm, 920nm, 1030nm, 1064nm, 1560nm, 9300nm and 10600nm's
At least one.Thus, it is possible to cutting be completed using laser or combination laser with above-mentioned wavelength, so as to further carry
The high cutting effect to the thick embryo of artificial lens.
Embodiments in accordance with the present invention, in step (2), the sweep speed of the laser cutting is 100~1000mm/s.
Thus, it is possible to effectively realize the cutting to the thick embryo of artificial lens, and prevent because sweep speed is excessively slow, single pixel point swashs
The light residence time is long and causes the material to form the thick embryo of artificial lens melting equivalent damage occur during cutting.
Embodiments in accordance with the present invention, in step (2), the sweep speed of the laser cutting is 200~500mm/s.By
This, can further improve the efficiency and effect of laser cutting.
Embodiments in accordance with the present invention, in step (2), the clipping time of the laser cutting is 1s~60s.Thus, may be used
To improve the production efficiency that artificial lens is prepared using this method.
Embodiments in accordance with the present invention, in step (2), the clipping time of the laser cutting is 1s~30s.Thus, may be used
The production efficiency of artificial lens is prepared using this method with further raising.
Embodiments in accordance with the present invention, this method further comprises：(3) dust removal process is carried out to the artificial lens, it is described
Dust removal process is carried out using at least one of dedusting particle, dedusting powder, surfactant and water.Thus, it is possible to
Further improve the finish of artificial plane of crystal after laser cutting, using dedusting particle, dedusting powder, surfactant with
And water produces friction with artificial lens, removes the impurity for being attached to artificial lens surface, so as to improve what is prepared using this method
The quality of artificial lens.Dust removal process easily realizes batch production, improves production efficiency.
Embodiments in accordance with the present invention, in step (3), the dedusting particle contain zirconium silicate, zirconium oxide, aluminum oxide,
Silicon nitride, corundum, ceramics, glass, mica, quartz, shell, ox horn, peach-pit shell, cocoanut shell, aluminium, poly- methyl-prop
E pioic acid methyl ester, polystyrene, RPP, polyvinyl chloride, acrylonitrile/butadiene/styrene copolymer, styrene-acrylonitrile copolymer
Lonitrile copolymer, cyclic olefin polymer, makrolon, polyethylene terephthalate, polybutylene terephthalate (PBT),
Polyamide, polyformaldehyde, polyphenylene oxide, polysulfones, polyphenylene sulfide, polyether-ether-ketone, liquid crystal polymer, fluoro-containing plastic, polyurethane,
At least one of phenolic resin, epoxy resin, melamine resin, glass fibre and carbon fiber.Thus, it is possible to using above-mentioned
Wide material sources, the dedusting particle being readily available are rubbed during dust removal process with artificial lens, so as to remove artificial crystalline substance
The impurity in body surface face.In addition, above-mentioned particle is with low cost, the cost that this method prepares artificial lens is advantageously reduced.
Embodiments in accordance with the present invention, in step (3), the dedusting powder contain alumina powder, silicon oxide powder,
Ceria oxide powder, titanium dioxide powder, magnesium silicate powders, alumina silicate powder, talcum powder, calcium phosphate powder, phosphoric acid magnesium dust,
Calcium sulphate powders, gypsum powder, barium sulfate powder, ceramic powders, kaolin powder, diatomite powder, Pearl,
At least one of carbon powder, carbon fiber powder and pva powder.Above-mentioned powder is with low cost, be readily available, and
Be conducive to entering row buffering to the friction between dedusting particle and artificial lens in dust removal process, so as to improve at dedusting
The efficiency and effect of reason.
Embodiments in accordance with the present invention, in step (3), the surfactant contains alkane sulfonate, long chain fatty acids
The sour fat of salt, polyethylene glycol, polyethylene glycol alkyl ether, cithrol, polyethylene glycol sorbitan fatty, mistake
At least one of water sorbierite fat acid fat, fatty acid glycerine, Lei meter Bang, sulphosuccinates and lignosulfonate.On
State surfactant with low cost, and in the presence of water, can be realized in dust removal process to artificial lens table
Face is cleaned and protected, so as to improve the quality of the artificial lens prepared using this method.
Brief description of the drawings
Fig. 1 shows the top view of the thick embryo of artificial lens according to an embodiment of the invention；
Fig. 2 shows the side view of the thick embryo of artificial lens according to an embodiment of the invention；
Fig. 3 shows the top view of artificial lens according to an embodiment of the invention；
Fig. 4 shows the side view of artificial lens according to an embodiment of the invention；And
Fig. 5 shows the microphotograph of the part artificial lens in embodiment 1.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to accompanying drawing
The embodiment of description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In one aspect of the invention, the present invention proposes a kind of method for preparing artificial lens.Embodiments in accordance with the present invention,
This method includes：
S100：The thick embryo of artificial lens is provided
Embodiments in accordance with the present invention, there is provided the thick embryo of artificial lens in this step.With reference to Fig. 1 and Fig. 2, this is artificial
The thick embryo 100 of crystal includes：External zones 110 and optics area 120；Form the upper optical surface 121 in the upper surface of optics area 120
And form the lower optical surface 122 on the lower surface of optics area 120.External zones 110 and optics area 120 can be one
Change what is formed.Thus, it is possible to the thick embryo 100 of artificial lens for being pre-formed with optical surface is cut by subsequent step,
Easily form artificial lens.It should be noted that the shape of the thick embryo 100 of the artificial lens provided in the step, material are not
It is particularly limited, the concrete condition for the artificial lens that those skilled in the art can prepare as needed is to the thick embryo of artificial lens 100
Features described above selected.For example, the thick embryo of artificial lens can by polymethacrylates, Silica hydrogel, hydrogel and
The material modified formation of acrylate or above-mentioned material, those skilled in the art can select on sale on the market have glazing
The thick embryo product of artificial lens of face and lower optical surface is used as the thick embryo 100 of artificial lens according to embodiments of the present invention.
S200：Lasser cutting
Embodiments in accordance with the present invention, in this step, are carried out by laser to the external zones 110 of the thick embryo of artificial lens 100
Laser cutting, to form artificial lens, with reference to Fig. 3 and Fig. 4, the artificial lens that laser cutting is formed includes optics area
120 and support member 200.Support member 200 is connected with intraocular lens optic area 120, so as to intraocular lens optic area 120
Play a supporting role.External zones 110 can be integrally formed with optics area 120, therefore, by entering to external zones 110
Row laser cutting, external zones 110 is processed into the support member 200 with supporting role.External zones 110 and optics area 120
It can also separate and prepare, external zones 110 is processed into after support member 200, then be connected and play a supporting role with optics area 120.
In this step, the structure in optics area 120 is constant, to realize the use function of artificial lens.
The design parameter of laser cutting is described in detail below.
Embodiments in accordance with the present invention, the laser of laser cutting can be for nanosecond laser, picosecond laser and femtosecond laser extremely
It is one of few.In other words, the pulse width of laser can be 10 during laser cutting-9S~10-15s.Inventor passes through many experiments
It was found that, the cutting to the thick embryo of artificial lens 100 can rapidly be realized using above-mentioned laser, and when the pulse width of laser
When within the above range, it is possible to achieve the laser cutting that cutting speed is fast, otch is small, and then avoid due to pulse intensity mistake
Damage is caused to the material for forming the thick embryo of artificial lens greatly.
Embodiments in accordance with the present invention, in this step, the optical maser wavelength of laser cutting can be 248~10600nm.Or,
The laser that wavelength is 355~1560nm can be selected to complete laser cutting.For example, according to a particular embodiment of the invention, it is excellent
Choosing, wavelength can be：248nm、355nm、533nm、710nm、745nm、920nm、1030nm、1064nm、
1560nm, 9300nm, 10600nm, fluctuation range can be ± 10nm.Inventor has found by many experiments, works as laser
Wavelength be more than 10600nm when, then the ablation to edge is obvious, is unfavorable for obtaining high-quality artificial lens product.
Embodiments in accordance with the present invention, in this step, the sweep speed of laser cutting is 100~1000mm/s.According to
Embodiments of the invention, the sweep speed of laser cutting can also be 200~500mm/s.Inventor passes through many experiments
It was found that, when the sweep speed of laser cutting is excessively slow, the production efficiency for preparing artificial lens can be not only had a strong impact on,
Can due at single pixel point laser residence time it is long and artificial lens is adversely affected；And when sweep speed mistake
When fast, then it is not easy to cut into curve, therefore cause to decline using the yields for being cut by laser productive manpower crystal.Hair
A person of good sense has found by many experiments, when sweep speed is above range, can ensure that prepared by fly-cutting artificial brilliant
While body, it is ensured that the yields of product.
Embodiments in accordance with the present invention, the time of above-mentioned laser cutting is 1s~60s.Thus, it is possible to realize thick to artificial lens
The rapid processing of embryo.It should be noted that laser cutting time herein is by the size of workpiece, the wavelength of laser, scanning
The influence of speed and pulse width, therefore using different laser cutting conditions or different size of workpiece is processed
When, required laser cutting time is also different.Those skilled in the art can adjust according to actual conditions to above-mentioned condition
Section, on the whole, laser cutting process according to embodiments of the present invention can be completed within 1s~60s.Using laser cutting
Method, in some embodiments, laser cutting process can be completed within 1s~30s, in some embodiments,
Laser cutting process can be completed within 1s~15s, in some embodiments, laser cutting process can 1s~5s with
It is interior to complete, only need 1s or 2s to process a piece of artificial lens when most fast.Compared with traditional brill Milling Machining technique, swash
Light cutting processing speed is fast, it is only necessary to follow-up simple dust removal process, you can obtain the artificial lens for meeting product requirement.This
Outside, laser cutting process is not related to the consumptive materials such as milling cutter, by that can realize the setting for being cut by laser relevant parameter to cutting essence
Degree strict control, therefore avoid it is same milling cutter process different batches workpiece when because milling cutter is gradually worn out and is caused
Work piece cut precision is different.
Embodiments in accordance with the present invention, in order to improve the quality of the artificial lens prepared using method proposed by the present invention, are obtained
The smooth artificial lens of clean surface, edge shape, solves the artificial lens edge after cutting because the material of vaporization is fallen back to
The surface of the thick embryo of artificial lens cause artificial lens have droplet-like spot, sputtering spot situations such as, can be by follow-up dedusting at
Reason removes the evaporation of materials impurity fallen after rise on artificial lens surface, to obtain the artificial lens of clean surface.Specifically, according to
Embodiments of the invention, after laser cutting, can further include：
S300：Dust removal process
Embodiments in accordance with the present invention, in this step, utilize dedusting particle, dedusting powder, surfactant and water
At least one to artificial lens carry out dust removal process.In other words, can by artificial lens and dedusting particle, dedusting powder,
At least one of surfactant and water be well mixed, the mixture is placed in closed container, using rotate, concussion and its
Combination of actions operates closed container, to carry out slight friction using between dedusting particle, dedusting powder and artificial lens,
The evaporation of materials for being attached to artificial lens surface is removed, and then removes the spot at artificial lens edge.Also can by mixture as
In unlimited container, mixture is set to do slight friction with mechanical agitation.Artificial lens after dust removal process, which is used, to be gone
Ionized water is cleaned, and is removed the particle residue on artificial lens surface and can be obtained edge-smoothing, immaculate artificial lens.
Surprisingly, inventor has found that the dust collection method can also eliminate turning lines on the thick embryo of artificial lens, makes artificial lens
Obtain more preferable surface smoothness.These turning lines are introduced in the thick embryo Mold Making of artificial lens.
Specifically, in this step, dedusting particle can containing zirconium silicate, zirconium oxide, aluminum oxide, silicon nitride, corundum,
Ceramics, glass, mica, quartz, shell, ox horn, peach-pit shell, cocoanut shell, aluminium, polymethyl methacrylate (PMMA),
Polystyrene (PS), RPP (PP), polyvinyl chloride (PVC), acrylonitrile/butadiene/styrene copolymer (ABS),
Styrene acrylonitrile copolymer (SA), cyclic olefin polymer (COC and COP), makrolon (PC), poly- terephthaldehyde
It is sour glycol ester (PET), polybutylene terephthalate (PBT) (PBT), polyamide (PA), polyformaldehyde (POM), poly-
Phenylate (PPO), polysulfones (PES, PPSU and PSU), polyphenylene sulfide (PPS), polyether-ether-ketone (PEEK), liquid crystal gather
Compound (LCP), fluoro-containing plastic (FP), polyurethane (PU), phenolic resin (PF), epoxy resin (EP), melamine tree
At least one of fat (UF), glass fibre and carbon fiber.In other words, dedusting particle can containing above-mentioned material or on
The composition of material is stated, wherein, dedusting particle can combine to form enhancing using glass fibre and carbon fiber with above-mentioned substance
Material.In specific implementation, the combination of dedusting particle non-limiting can be PP/PS alloys, PC/PMMA alloys, PC/ABS
Alloy, PC/PBT alloys, PC/PA alloys, PA/ABS alloys, PPO/PA alloys, PPO/PET alloys, PPO/PBT are closed
Gold etc..Can by the use of the above-mentioned substance smooth near-spherical thing in formation surface as dedusting particle, by a reservoir with it is artificial
Crystal friction removes the evaporation of materials impurity of surface attachment.Above-mentioned dedusting particle is with low cost, advantageously reduces this method preparation
The cost of artificial lens.It should be noted that the concrete composition of above-mentioned particle and the parameter such as particle diameter of particle are not limited especially
System, those skilled in the art can be selected according to actual conditions, as long as dedusting particle can be during dust removal process
Remove the evaporation of materials of artificial lens surface attachment.
Embodiments in accordance with the present invention, dedusting powder includes alumina powder, silicon oxide powder, ceria oxide powder, titanium oxide
Powder, magnesium silicate powders, alumina silicate powder, talcum powder, calcium phosphate powder, phosphoric acid magnesium dust, calcium sulphate powders, gypsum
Powder, barium sulfate powder, ceramic powders, kaolin powder, diatomite powder, Pearl, carbon powder, carbon fiber powder
At least one of end and pva powder.Above-mentioned powder is with low cost, be readily available, and is conducive in dust removal process
In row buffering is entered to the friction between dedusting particle and artificial lens, so as to improve the efficiency and effect of dust removal process.
Embodiments in accordance with the present invention, surfactant includes alkane sulfonate, hard soap, polyethylene glycol, poly- second
The sour fat of glycol alkyl ether, cithrol, polyethylene glycol sorbitan fatty, the sour fat of anhydrous sorbitol fat, fat
At least one of fat acid glycerol, Lei meter Bang, sulphosuccinates and lignosulfonate.It should be noted that in this hair
Bright middle surfactant can be one kind or mixture of any amphiphilic substance in above range, as long as can be in dust removal process
Middle realization is protected to artificial lens, cleaned.For example, in specific implementation process, surfactant can be with non-limit
Qualitatively be dodecyl sodium sulfate, enuatrol, potassium oleate, Macrogol 600, cetomacrogol 1000, Macrogol 3000,
It is NHD, polyethylene glycol octyl phenol ether (TritonX-10), polyethylene glycol hard fatty acid ester (SE-40), poly-
The poly- second two of ethylene glycol monoleate, tween20, tween60, tween80, Span20, Span30, Span60, laurate
At least one of alcohol glyceride, sad LABRAFIL M 1944CS, Lamepon A, Disodium sulfosuccinate, sodium lignin sulfonate
Or its combination.Above-mentioned surfactant is with low cost, and in the presence of water, can be real in dust removal process
Now artificial lens surface is cleaned and protected, so as to improve the quality of the artificial lens prepared using this method.
Thus, in this step, by rotating, the combination of concussion and its action, you can complete dust removal process, and then can be with
Shorten the man-hour required for processing artificial lens, improve the efficiency that artificial lens is prepared using this method.
In summary, the method for preparing artificial lens provided using the present invention, is completed to the thick embryo of artificial lens using laser
Cutting, and prevent that the pollutions such as droplet-like spot, sputtering spot, dust from occurring in the edge of artificial lens by dust removal process.Always
For body, the method for preparing artificial lens that the present invention is provided possesses advantages below：
(1) this method, which can be realized, quickly prepare artificial lens, and the more traditional brill miller skill of production efficiency can improve 100 times.
(2) this method is using laser cutting, it is to avoid using expensive import consumptive material and equipment, greatly reduce production cost.
(3) this method can be produced using the thick embryo of artificial lens, and the thick embryo of the artificial lens can pass through the mould with optical surface
Tool makes shaping, also can directly buy, and then can realize batch production quick, conveniently, cheap.
(4) this method integrated artistic environmental protection.
The solution of the present invention is explained below in conjunction with embodiment.It will be understood to those of skill in the art that following implementation
Example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.Unreceipted particular technique or condition in embodiment,
Carried out according to the technology or condition described by document in the art or according to product description.Agents useful for same or instrument are not noted
Bright production firm person, being can be by the conventional products of acquisition purchased in market.
In the present invention, nm represents nanometer, and mm/s represents that millimeter is per second, and s represents the second, and g represents gram that mL represents milliliter.
Embodiment 1
The thick embryo of one artificial lens is placed on the nanosecond laser operating desk that wavelength is 355nm, setting laser cutting speed
800mm/s, setting laser motion track, focuses, positioning, opens laser, and 1s cuttings finish a crystal crude product.By crystalline substance
Body crude product, is put into containing 100g zirconia particles, 500g ceramic particles, 2.0g alumina powders, 2.0g alumina silicate powder,
110mL deionized waters, 2mL mass fractions start rotary container in the container of 2% polyethylene glycol (PEG) oleate, to seal,
Filtering, deionized water rinsing obtains crystal.With reference to Fig. 5 (a), before polishing dust removal process, artificial lens surface tool
There is dust, with reference to Fig. 5 (b) and Fig. 5 (c), with micro- sem observation finished surface pattern, without obvious powder after polishing dedusting
Dirt, chipping, all regions are intact.
Embodiment 2
The thick embryo of one artificial lens is placed on the nanosecond laser operating desk that wavelength is 355nm, setting laser cutting speed
500mm/s, setting laser motion track, focuses, positioning, opens laser, and 1s cuttings finish a crystal crude product.By crystalline substance
Body crude product, is put into containing 600g ceramic particles, 2.0g alumina powders, 110mL deionized waters, 10mL mass fractions are
In 1%tween80 container, sealing starts rotary container, and filtering, deionized water rinsing obtains crystal.
Embodiment 3
The thick embryo of one artificial lens is placed on the nanosecond laser operating desk that wavelength is 533nm, sets laser speed 300mm/s,
Laser motion track is set, is focused, laser is opened in positioning, and 1s cuttings finish a crystal crude product.By crystal crude product, put
Enter containing 440g polyformaldehyde particles, 200g walnut shell particles, 4.0g diatomite powders, 120mL deionized waters, 3mL matter
Fraction is measured in the container of 5% polyethylene glycol octyl phenol ether, sealing starts rotary container, and filtering, deionized water rinsing is obtained
To crystal.
Embodiment 4
The thick embryo of one artificial lens is placed on the nanosecond laser operating desk that wavelength is 10600nm, setting laser cutting speed
400mm/s, setting laser motion track, focuses, positioning, opens laser, and 1s cuttings finish a crystal crude product.By crystalline substance
Body crude product, is put into containing 300g beades, 2.0g titania powders, 50mL deionized waters, 10mL20% polyethylene glycol
In -600 container, sealing starts rotary container, and filtering, deionized water rinsing obtains crystal.
Embodiment 5
The thick embryo of one artificial lens is placed on the picosecond laser operating desk that wavelength is 355nm, setting laser cutting speed
200mm/s, setting laser motion track, focuses, positioning, opens laser, and 2s cuttings finish a crystal crude product.By crystalline substance
Body crude product, is put into containing 300g PA polybutyleneterephthalate's particles, 2.0g silicate hydrate magnesium dusts, 50mL deionized waters,
10mL mass fractions is in the container of 10% potassium oleate, sealing start rotary container, and filtering, deionized water rinsing is obtained
Crystal.
Embodiment 6
The thick embryo of one artificial lens is placed on 1030nm picosecond laser operating desk, setting laser cutting speed 300mm/s,
Laser motion track is set, is focused, laser is opened in positioning, and 2s cuttings finish a crystal crude product.By crystal crude product, put
Enter containing 200g polypropylene glass alloying pellets, 300g polymethacrylates particles, 2.0g magnesium silicates, 120mL go from
In sub- water, 10mL25% thunders rice side A container, sealing starts rotary container, and filtering, deionized water rinsing obtains crystal.
Embodiment 7
The thick embryo of one artificial lens is placed on 1560nm femtosecond laser operating desk, setting laser cutting speed 100mm/s,
Laser motion track is set, is focused, laser is opened in positioning, and 30s cuttings finish a crystal crude product.By crystal crude product, put
Enter containing 600g polyamide glass alloying pellets, 3.0g calcium phosphate powders, 120mL deionized waters, 15mL mass fractions are
In 5%Span60 container, sealing starts rotary container, and filtering, deionized water rinsing obtains crystal.
Embodiment 8
The thick embryo of one artificial lens is placed on the nanosecond laser operating desk that wavelength is 248nm, setting laser cutting speed
500mm/s, setting laser motion track, focuses, positioning, opens laser, and 1s cuttings finish a crystal crude product.By crystalline substance
Body crude product, is put into containing 600g ceramic particles, 2.0g alumina powders, 110mL deionized waters, 10mL mass fractions are
In the container of 1% Gelucire 44/14, sealing starts rotary container, and filtering, deionized water rinsing obtains crystal.
Embodiment 9
The thick embryo of one artificial lens is placed on the femtosecond laser operating desk that wavelength is 1060nm, setting laser cutting speed
600mm/s, setting laser motion track, focuses, positioning, opens laser, and 60s cuttings finish a crystal crude product.By crystalline substance
Body crude product, is put into containing 200g ceramic beads, 300g PA polybutyleneterephthalate's glass alloying pellets, 5.0g talcum powder powder,
120mL deionized waters, 10mL mass fractions start rotary container in 10%tween30 container, to seal, and filter,
Deionized water rinsing obtains crystal.
Embodiment 10
The thick embryo of one artificial lens is placed on the picosecond laser operating desk that wavelength is 355nm, setting laser cutting speed
1000mm/s, setting laser motion track, focuses, positioning, opens laser, and 16s cuttings finish a crystal crude product.Will
Crystal crude product, is put into containing 300g beades, 3.0g hydration talcum powder powder, 50mL deionized waters, 5mL mass fractions
In container for 10% potassium oleate, sealing starts rotary container, and filtering, deionized water rinsing obtains crystal.
In the description of the invention, it is to be understood that the orientation or position of the instruction such as term " on ", " under ", " top ", " bottom "
It is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description to put relation, rather than
Indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be "above" or "below" second feature
One and second feature directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature is
Two features " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or are merely representative of first
Characteristic level is highly higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature
Immediately below second feature or obliquely downward, or fisrt feature level height is merely representative of less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means to combine specific features, structure, material or the feature bag that the embodiment or example are described
It is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the skill of this area
Not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be combined by art personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (13)
1. a kind of method for preparing artificial lens, it is characterised in that including：
(1) the thick embryo of artificial lens is provided, the thick embryo of artificial lens includes：
Optics area, the optics area has upper optical surface and lower optical surface；And
External zones, the external zones is around the optics area；
(2) lasser cutting is carried out to the external zones, to form the artificial lens, the artificial lens includes：
The optics area, the optics area includes the upper optical surface and the lower optical surface；And
Support member, the support member is connected with the optics area.
2. according to the method described in claim 1, it is characterised in that in step (2), the laser bag of the laser cutting
Include at least one of nanosecond laser, picosecond laser and femtosecond laser.
3. according to the method described in claim 1, it is characterised in that in step (2), the laser of the laser cutting
Wavelength is 248~10600nm.
4. according to the method described in claim 1, it is characterised in that in step (2), the laser of the laser cutting
Wavelength is 355~1560nm.
5. according to the method described in claim 1, it is characterised in that in step (2), the laser of the laser cutting
Wavelength be 248nm, 355nm, 533nm, 710nm, 745nm, 920nm, 1030nm, 1064nm, 1560nm,
At least one of 9300nm and 10600nm.
6. according to the method described in claim 1, it is characterised in that in step (2), the scanning of the laser cutting
Speed is 100~1000mm/s.
7. according to the method described in claim 1, it is characterised in that in step (2), the scanning of the laser cutting
Speed is 200~500mm/s.
8. according to the method described in claim 1, it is characterised in that in step (2), the time of the laser cutting
For 1s~60s.
9. according to the method described in claim 1, it is characterised in that in step (2), the time of the laser cutting
For 1s~30s.
10. according to the method described in claim 1, it is characterised in that further comprise：
(3) dust removal process is carried out to the artificial lens, the dust removal process is to utilize dedusting particle, dedusting powder, surface
What at least one of activating agent and water were carried out.
11. method according to claim 10, it is characterised in that in step (3), the dedusting particle contains
Zirconium silicate, zirconium oxide, aluminum oxide, silicon nitride, corundum, ceramics, glass, mica, quartz, shell, ox horn, peach-pit
Shell, cocoanut shell, aluminium, polymethyl methacrylate, polystyrene, RPP, polyvinyl chloride, acrylonitrile/butadiene
/ styrol copolymer, styrene acrylonitrile copolymer, cyclic olefin polymer, makrolon, polyethylene terephthalate,
Polybutylene terephthalate (PBT), polyamide, polyformaldehyde, polyphenylene oxide, polysulfones, polyphenylene sulfide, polyether-ether-ketone, liquid crystal gather
Compound, fluoro-containing plastic, polyurethane, phenolic resin, epoxy resin, melamine resin, glass fibre and carbon fiber are at least
One of.
12. method according to claim 10, it is characterised in that in step (3), the dedusting powder contains
Alumina powder, silicon oxide powder, ceria oxide powder, titanium dioxide powder, magnesium silicate powders, alumina silicate powder, talcum powder,
Calcium phosphate powder, phosphoric acid magnesium dust, calcium sulphate powders, gypsum powder, barium sulfate powder, ceramic powders, kaolin powder,
At least one of diatomite powder, Pearl, carbon powder, carbon fiber powder and pva powder.
13. method according to claim 10, it is characterised in that in step (3), the surfactant contains
There are alkane sulfonate, hard soap, polyethylene glycol, polyethylene glycol alkyl ether, cithrol, poly- second two
Alcohol sorbitan fatty acid fat, the sour fat of anhydrous sorbitol fat, fatty acid glycerine, Lei meter Bang, sulphosuccinates and
At least one of lignosulfonate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018263.4A CN106956082A (en) | 2016-01-11 | 2016-01-11 | Artificial lens preparation method |
| PCT/CN2017/070726 WO2017121311A1 (en) | 2016-01-11 | 2017-01-10 | Method for preparing intraocular lens |
| CN201780005926.1A CN108472130B (en) | 2016-01-11 | 2017-01-10 | Method for preparing artificial crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018263.4A CN106956082A (en) | 2016-01-11 | 2016-01-11 | Artificial lens preparation method |
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| Publication Number | Publication Date |
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| CN106956082A true CN106956082A (en) | 2017-07-18 |
Family
ID=59310922
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610018263.4A Pending CN106956082A (en) | 2016-01-11 | 2016-01-11 | Artificial lens preparation method |
| CN201780005926.1A Active CN108472130B (en) | 2016-01-11 | 2017-01-10 | Method for preparing artificial crystal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201780005926.1A Active CN108472130B (en) | 2016-01-11 | 2017-01-10 | Method for preparing artificial crystal |
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| Country | Link |
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| CN (2) | CN106956082A (en) |
| WO (1) | WO2017121311A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847121A (en) * | 2021-02-25 | 2021-05-28 | 天津世纪康泰生物医学工程有限公司 | Polishing method of hydrophobic artificial lens |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3995283B1 (en) * | 2020-11-10 | 2023-10-11 | Gerresheimer Regensburg GmbH | Laser cutting of microinjection moulded parts |
| CN115120386B (en) * | 2022-09-01 | 2023-04-11 | 首都医科大学附属北京同仁医院 | Artificial crystal and manufacturing method thereof |
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| CN112847121B (en) * | 2021-02-25 | 2022-03-18 | 天津世纪康泰生物医学工程有限公司 | Polishing method of hydrophobic artificial lens |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017121311A1 (en) | 2017-07-20 |
| CN108472130A (en) | 2018-08-31 |
| CN108472130B (en) | 2020-01-21 |
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Application publication date: 20170718 |