CN112584877A - 用于无血管环境和角膜植入物的上皮化微孔生物材料 - Google Patents
用于无血管环境和角膜植入物的上皮化微孔生物材料 Download PDFInfo
- Publication number
- CN112584877A CN112584877A CN201980052732.6A CN201980052732A CN112584877A CN 112584877 A CN112584877 A CN 112584877A CN 201980052732 A CN201980052732 A CN 201980052732A CN 112584877 A CN112584877 A CN 112584877A
- Authority
- CN
- China
- Prior art keywords
- microporous
- eptfe
- biocomposite
- membrane
- fibrils
- 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.)
- Pending
Links
- 239000012620 biological material Substances 0.000 title claims abstract description 31
- 239000007943 implant Substances 0.000 title abstract description 9
- 239000011173 biocomposite Substances 0.000 claims abstract description 86
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 210000002919 epithelial cell Anatomy 0.000 claims abstract description 12
- 230000035899 viability Effects 0.000 claims abstract description 7
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 claims description 120
- 239000012528 membrane Substances 0.000 claims description 99
- 210000004087 cornea Anatomy 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 29
- 229920000642 polymer Polymers 0.000 claims description 21
- 229920002313 fluoropolymer Polymers 0.000 claims description 20
- 239000004811 fluoropolymer Substances 0.000 claims description 20
- 239000011148 porous material Substances 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 230000002459 sustained effect Effects 0.000 claims description 7
- 230000010354 integration Effects 0.000 abstract description 16
- 238000002513 implantation Methods 0.000 abstract description 14
- 210000004027 cell Anatomy 0.000 abstract description 6
- 210000002950 fibroblast Anatomy 0.000 abstract description 3
- 210000002536 stromal cell Anatomy 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 122
- 210000001519 tissue Anatomy 0.000 description 54
- 238000000034 method Methods 0.000 description 44
- 230000008569 process Effects 0.000 description 27
- 238000001878 scanning electron micrograph Methods 0.000 description 21
- 229920001577 copolymer Polymers 0.000 description 18
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 18
- 239000010410 layer Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000009832 plasma treatment Methods 0.000 description 10
- 229910001868 water Inorganic materials 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 9
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 5
- -1 Polytetrafluoroethylene Polymers 0.000 description 5
- 229910052770 Uranium Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229920009441 perflouroethylene propylene Polymers 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 210000000981 epithelium Anatomy 0.000 description 3
- 239000000017 hydrogel Substances 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 210000001525 retina Anatomy 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- DOWJGHMZJRTBBD-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethene;1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)F.FC(F)=C(F)OC(F)(F)F DOWJGHMZJRTBBD-UHFFFAOYSA-N 0.000 description 2
- WUMVZXWBOFOYAW-UHFFFAOYSA-N 1,2,3,3,4,4,4-heptafluoro-1-(1,2,3,3,4,4,4-heptafluorobut-1-enoxy)but-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)=C(F)OC(F)=C(F)C(F)(F)C(F)(F)F WUMVZXWBOFOYAW-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000560 biocompatible material Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 229920001477 hydrophilic polymer Polymers 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 1
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 1
- ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical compound C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 102000004127 Cytokines Human genes 0.000 description 1
- 108090000695 Cytokines Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000010412 Glaucoma Diseases 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 208000026350 Inborn Genetic disease Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000033976 Patient-device incompatibility Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000021164 cell adhesion Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 230000004663 cell proliferation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- WDRFFJWBUDTUCA-UHFFFAOYSA-N chlorhexidine acetate Chemical compound CC(O)=O.CC(O)=O.C=1C=C(Cl)C=CC=1NC(N)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1 WDRFFJWBUDTUCA-UHFFFAOYSA-N 0.000 description 1
- 229960001884 chlorhexidine diacetate Drugs 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 210000003038 endothelium Anatomy 0.000 description 1
- 238000010336 energy treatment Methods 0.000 description 1
- 230000008472 epithelial growth Effects 0.000 description 1
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical group C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 208000016361 genetic disease Diseases 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- RETIMRUQNCDCQB-UHFFFAOYSA-N mepivacaine hydrochloride Chemical compound Cl.CN1CCCCC1C(=O)NC1=C(C)C=CC=C1C RETIMRUQNCDCQB-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- CSJWOWRPMBXQLD-UHFFFAOYSA-N perfluoromethylvinylether group Chemical group FC(=C(C(F)(F)F)F)OC(=C(F)C(F)(F)F)F CSJWOWRPMBXQLD-UHFFFAOYSA-N 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 229920005548 perfluoropolymer Polymers 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001958 silver carbonate Inorganic materials 0.000 description 1
- LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
-
- 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
- A61F2/0077—Special surfaces of prostheses, e.g. for improving 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
- A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
- A61F2/142—Cornea, e.g. artificial corneae, keratoprostheses or corneal implants for repair of defective corneal tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/34—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
-
- 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
- A61F2/0077—Special surfaces of prostheses, e.g. for improving ingrowth
- A61F2002/0081—Special surfaces of prostheses, e.g. for improving ingrowth directly machined on the prosthetic surface, e.g. holes, grooves
-
- 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
- A61F2/0077—Special surfaces of prostheses, e.g. for improving ingrowth
- A61F2002/0086—Special surfaces of prostheses, e.g. for improving ingrowth for preferentially controlling or promoting the growth of specific types of cells or tissues
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/18—Modification of implant surfaces in order to improve biocompatibility, cell growth, fixation of biomolecules, e.g. plasma treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/16—Materials or treatment for tissue regeneration for reconstruction of eye parts, e.g. intraocular lens, cornea
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Ophthalmology & Optometry (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862684843P | 2018-06-14 | 2018-06-14 | |
| US62/684,843 | 2018-06-14 | ||
| PCT/US2019/037301 WO2019241700A1 (en) | 2018-06-14 | 2019-06-14 | Epitheliazing microporous biomaterial for use in avascular environments and in corneal implants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112584877A true CN112584877A (zh) | 2021-03-30 |
Family
ID=67211867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980052732.6A Pending CN112584877A (zh) | 2018-06-14 | 2019-06-14 | 用于无血管环境和角膜植入物的上皮化微孔生物材料 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US12257368B2 (https=) |
| EP (1) | EP3806916A1 (https=) |
| JP (2) | JP2021526921A (https=) |
| KR (1) | KR20210019526A (https=) |
| CN (1) | CN112584877A (https=) |
| AU (3) | AU2019287735A1 (https=) |
| CA (2) | CA3103272C (https=) |
| WO (1) | WO2019241700A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11280504B2 (en) * | 2020-05-20 | 2022-03-22 | James T. Crawford, III | Low air leakage, secure clean room with reduced contamination and secure chemical resistance |
| US12220656B1 (en) | 2024-03-25 | 2025-02-11 | ThreeSquared Solutions L.L.C. | Removable inner frame assembly for clean environments |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939957A (zh) * | 2005-09-30 | 2007-04-04 | 通用电气公司 | 亲水膜及其相关方法 |
| US20080255663A1 (en) * | 2007-04-13 | 2008-10-16 | Akpek Esen K | Artificial Cornea and Method of Making Same |
Family Cites Families (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA962021A (en) | 1970-05-21 | 1975-02-04 | Robert W. Gore | Porous products and process therefor |
| US4693715A (en) | 1986-06-19 | 1987-09-15 | Abel Robert Jr | Artificial cornea |
| US5100689A (en) | 1987-04-10 | 1992-03-31 | University Of Florida | Surface modified surgical instruments, devices, implants, contact lenses and the like |
| US4865601A (en) | 1987-07-07 | 1989-09-12 | Caldwell Delmar R | Intraocular prostheses |
| US5282851A (en) | 1987-07-07 | 1994-02-01 | Jacob Labarre Jean | Intraocular prostheses |
| US5108428A (en) | 1988-03-02 | 1992-04-28 | Minnesota Mining And Manufacturing Company | Corneal implants and manufacture and use thereof |
| US5183545A (en) | 1989-04-28 | 1993-02-02 | Branca Phillip A | Electrolytic cell with composite, porous diaphragm |
| GB8915974D0 (en) | 1989-07-12 | 1989-08-31 | Gore W L & Ass Uk | Hydrophilic semi-permeable ptfe membranes and their manufacture |
| FR2649605B1 (fr) | 1989-07-13 | 1995-07-21 | France Chirurgie Instr | Implant corneen |
| US5462781A (en) | 1991-06-14 | 1995-10-31 | W. L. Gore & Associates, Inc. | Surface modified porous expanded polytetrafluoroethylene and process for making |
| AU650156B2 (en) | 1992-08-05 | 1994-06-09 | Lions Eye Institute Limited | Keratoprosthesis and method of producing the same |
| US5321109A (en) | 1992-11-17 | 1994-06-14 | Impra, Inc. | Uniformly expanded PTFE film |
| US5300115A (en) | 1992-11-19 | 1994-04-05 | Keratos, Inc. | Intraocular prosthesis |
| DE69428056T2 (de) | 1994-09-02 | 2002-01-03 | W.L. Gore & Associates, Inc. | Poröse polytetrafluorethylen zusammensetzungen |
| US5476589A (en) | 1995-03-10 | 1995-12-19 | W. L. Gore & Associates, Inc. | Porpous PTFE film and a manufacturing method therefor |
| WO1997010807A1 (en) | 1995-09-22 | 1997-03-27 | Gore Hybrid Technologies, Inc. | Improved cell encapsulation device |
| FR2744013B1 (fr) | 1996-01-30 | 1998-04-24 | Corneal Ind | Dispositif de keratoprothese |
| ID21031A (id) | 1996-11-13 | 1999-04-08 | Menicon Co Ltd | Kornea buatan |
| US6818018B1 (en) | 1998-08-14 | 2004-11-16 | Incept Llc | In situ polymerizable hydrogels |
| US6102946A (en) | 1998-12-23 | 2000-08-15 | Anamed, Inc. | Corneal implant and method of manufacture |
| US7049380B1 (en) | 1999-01-19 | 2006-05-23 | Gore Enterprise Holdings, Inc. | Thermoplastic copolymer of tetrafluoroethylene and perfluoromethyl vinyl ether and medical devices employing the copolymer |
| JP2000325369A (ja) | 1999-05-17 | 2000-11-28 | Menicon Co Ltd | 人工角膜 |
| US6689165B2 (en) | 2000-03-31 | 2004-02-10 | Board Of Supervisors Of Louisana State University And Agricultural And Mechanical College | Surface modifications for enhanced epithelialization |
| US6541589B1 (en) | 2001-10-15 | 2003-04-01 | Gore Enterprise Holdings, Inc. | Tetrafluoroethylene copolymer |
| JP4489437B2 (ja) | 2002-02-21 | 2010-06-23 | エンセル,インコーポレイテッド | 表面コーティングとしての固定化生物活性ヒドロゲルマトリックス |
| US20030225439A1 (en) | 2002-05-31 | 2003-12-04 | Cook Alonzo D. | Implantable product with improved aqueous interface characteristics and method for making and using same |
| CN1662192A (zh) | 2002-06-18 | 2005-08-31 | 利兰·斯坦福初级大学董事会 | 人造角膜 |
| US20040024448A1 (en) | 2002-08-05 | 2004-02-05 | Chang James W. | Thermoplastic fluoropolymer-coated medical devices |
| WO2004028410A1 (en) | 2002-09-24 | 2004-04-08 | Lions Eye Institute Limited | Biointegrable keratoprosthesis |
| US20040173978A1 (en) | 2003-03-06 | 2004-09-09 | Christopher Bowen | PTFE membranes and gaskets made therefrom |
| EP1790316A4 (de) | 2004-06-17 | 2012-05-16 | Zakrytoe Akcionernoe Obschestvo N Proizv Complex Ecoflon | Implantat zur verstärkung der hornhaut und keratoprothese mit einer platte aus porösem polytetrafluorethylen |
| US20060025852A1 (en) | 2004-08-02 | 2006-02-02 | Armstrong Joseph R | Bioabsorbable self-expanding endolumenal devices |
| US20060047311A1 (en) | 2004-08-26 | 2006-03-02 | Lutz David I | Expanded PTFE articles and method of making same |
| US7531611B2 (en) | 2005-07-05 | 2009-05-12 | Gore Enterprise Holdings, Inc. | Copolymers of tetrafluoroethylene |
| US7306729B2 (en) | 2005-07-18 | 2007-12-11 | Gore Enterprise Holdings, Inc. | Porous PTFE materials and articles produced therefrom |
| US20070168025A1 (en) | 2006-01-13 | 2007-07-19 | Sohrab Darougar | Artificial cornea |
| US20080150177A1 (en) | 2006-12-20 | 2008-06-26 | Bausch & Lomb Incorporated | Surface treatment of fluorinated ophthalmic devices |
| WO2009012406A1 (en) | 2007-07-17 | 2009-01-22 | Transcend Medical, Inc. | Ocular implant with hydrogel expansion capabilities reference to priority document |
| JP5484663B2 (ja) | 2007-09-25 | 2014-05-07 | 三洋電機株式会社 | 太陽電池モジュールの製造方法 |
| US8637144B2 (en) | 2007-10-04 | 2014-01-28 | W. L. Gore & Associates, Inc. | Expandable TFE copolymers, method of making, and porous, expended articles thereof |
| KR20100136453A (ko) | 2008-02-18 | 2010-12-28 | 큐엘티 플러그 딜리버리, 인코포레이티드 | 누관 임플란트 및 이와 관련된 방법 |
| US9943401B2 (en) | 2008-04-04 | 2018-04-17 | Eugene de Juan, Jr. | Therapeutic device for pain management and vision |
| WO2009135068A1 (en) | 2008-04-30 | 2009-11-05 | University Of Washington | Artificial cornea |
| US20100081293A1 (en) | 2008-10-01 | 2010-04-01 | Applied Materials, Inc. | Methods for forming silicon nitride based film or silicon carbon based film |
| DK2373321T3 (en) | 2008-12-05 | 2016-06-13 | Biomed Device S R L | Biovedhæftende platelet lysate and compositions thereof for the treatment of mucostitis |
| US9139669B2 (en) | 2009-03-24 | 2015-09-22 | W. L. Gore & Associates, Inc. | Expandable functional TFE copolymer fine powder, the expandable functional products obtained therefrom and reaction of the expanded products |
| ES2704162T3 (es) | 2010-09-30 | 2019-03-14 | Keramed Inc | Córnea artificial deformable reversible |
| GB201017637D0 (en) | 2010-10-20 | 2010-12-01 | Univ Dundee | Device for monitoring intraocular pressure |
| CN102283720A (zh) | 2011-08-01 | 2011-12-21 | 姚晓明 | 一种人工角膜 |
| JP5989780B2 (ja) | 2011-09-14 | 2016-09-07 | フォーサイト・ビジョン5・インコーポレイテッドForsight Vision5,Inc. | 眼挿入装置および方法 |
| US9974646B2 (en) | 2012-09-05 | 2018-05-22 | University Of Miami | Keratoprosthesis, and system and method of corneal repair using same |
| RU2652063C2 (ru) | 2012-10-26 | 2018-04-24 | Форсайт Вижн5, Инк. | Офтальмологическая система для замедленного высвобождения лекарственного средства в глазу |
| EP3263637B1 (en) | 2013-01-30 | 2020-08-12 | W. L. Gore & Associates, Inc. | Method for producing porous articles from ultra high molecular weight polyethylene |
| EP2839949B1 (en) | 2013-08-23 | 2016-10-12 | W.L. Gore & Associates GmbH | Process for the production of a structured film |
| MX358957B (es) | 2013-10-03 | 2018-09-10 | Inst Politecnico Nacional | Composición farmacéutica de un lisado plaquetario con actividad de regeneración celular. |
| US9932429B2 (en) | 2014-07-29 | 2018-04-03 | W. L. Gore & Associates, Inc. | Method for producing porous articles from alternating poly(ethylene tetrafluoroethylene) and articles produced therefrom |
| US9441088B2 (en) | 2014-07-29 | 2016-09-13 | W. L. Gore & Associates, Inc. | Articles produced from VDF-co-(TFE or TrFE) polymers |
| US12280525B2 (en) | 2014-07-29 | 2025-04-22 | W. L. Gore & Associates, Inc. | Porous articles formed from polyparaxylylene and processes for forming the same |
| US10987638B2 (en) | 2015-06-19 | 2021-04-27 | W. L. Gore & Associates, Inc. | Asymmetric polytetrafluoroethylene composite having a macro-textured surface and method for making the same |
| EP3287149A1 (en) | 2016-08-22 | 2018-02-28 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Wound dressing comprising polymer fibers |
| WO2019241699A1 (en) | 2018-06-14 | 2019-12-19 | W. L. Gore & Associates, Inc. | Artificial cornea |
-
2019
- 2019-06-14 AU AU2019287735A patent/AU2019287735A1/en not_active Abandoned
- 2019-06-14 KR KR1020217000917A patent/KR20210019526A/ko not_active Ceased
- 2019-06-14 CA CA3103272A patent/CA3103272C/en active Active
- 2019-06-14 CA CA3206692A patent/CA3206692A1/en active Pending
- 2019-06-14 JP JP2020569091A patent/JP2021526921A/ja active Pending
- 2019-06-14 US US17/252,036 patent/US12257368B2/en active Active
- 2019-06-14 WO PCT/US2019/037301 patent/WO2019241700A1/en not_active Ceased
- 2019-06-14 CN CN201980052732.6A patent/CN112584877A/zh active Pending
- 2019-06-14 EP EP19737340.0A patent/EP3806916A1/en active Pending
-
2022
- 2022-08-31 AU AU2022224781A patent/AU2022224781C1/en active Active
-
2023
- 2023-07-06 JP JP2023111306A patent/JP2023133306A/ja active Pending
-
2024
- 2024-05-20 AU AU2024203344A patent/AU2024203344A1/en active Pending
-
2025
- 2025-02-21 US US19/059,769 patent/US20250195726A1/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939957A (zh) * | 2005-09-30 | 2007-04-04 | 通用电气公司 | 亲水膜及其相关方法 |
| US20080255663A1 (en) * | 2007-04-13 | 2008-10-16 | Akpek Esen K | Artificial Cornea and Method of Making Same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2023133306A (ja) | 2023-09-22 |
| US20250195726A1 (en) | 2025-06-19 |
| AU2022224781B2 (en) | 2024-02-22 |
| AU2022224781A1 (en) | 2022-09-22 |
| KR20210019526A (ko) | 2021-02-22 |
| US20210252194A1 (en) | 2021-08-19 |
| AU2024203344A1 (en) | 2024-06-06 |
| EP3806916A1 (en) | 2021-04-21 |
| CA3206692A1 (en) | 2019-12-19 |
| CA3103272A1 (en) | 2019-12-19 |
| AU2022224781C1 (en) | 2024-07-11 |
| US12257368B2 (en) | 2025-03-25 |
| JP2021526921A (ja) | 2021-10-11 |
| AU2019287735A1 (en) | 2021-01-28 |
| WO2019241700A1 (en) | 2019-12-19 |
| CA3103272C (en) | 2023-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2136737B1 (en) | Artificial cornea | |
| US6391055B1 (en) | Artificial cornea | |
| US20250195726A1 (en) | Epithelializing microporous biomaterial for use in avascular environments and in corneal implants | |
| EP2067453B1 (en) | Keratoprosthesis | |
| KR102736416B1 (ko) | 인공 각막 | |
| WO2010083173A2 (en) | Hydrophobic pseudo-endothelial implants for treating corneal edema | |
| WO2009135068A1 (en) | Artificial cornea | |
| Wnek et al. | Corneal Implants/Traian V. Chirila, Celia R. Hicks | |
| JPWO1998020813A1 (ja) | 人工角膜 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |