KR20040097126A - 의료 장치용 중합체 코팅 - Google Patents
의료 장치용 중합체 코팅 Download PDFInfo
- Publication number
- KR20040097126A KR20040097126A KR10-2004-7012626A KR20047012626A KR20040097126A KR 20040097126 A KR20040097126 A KR 20040097126A KR 20047012626 A KR20047012626 A KR 20047012626A KR 20040097126 A KR20040097126 A KR 20040097126A
- Authority
- KR
- South Korea
- Prior art keywords
- poly
- lactide
- polymer
- lactone
- layer
- 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.)
- Abandoned
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 303
- 238000000576 coating method Methods 0.000 title claims abstract description 95
- 239000011248 coating agent Substances 0.000 title claims abstract description 77
- 239000013543 active substance Substances 0.000 claims abstract description 182
- 229910052751 metal Inorganic materials 0.000 claims abstract description 122
- 239000002184 metal Substances 0.000 claims abstract description 121
- 150000002596 lactones Chemical class 0.000 claims abstract description 102
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 47
- 150000004756 silanes Chemical class 0.000 claims abstract description 21
- 229920000728 polyester Polymers 0.000 claims abstract description 19
- 238000000151 deposition Methods 0.000 claims abstract description 18
- 238000011065 in-situ storage Methods 0.000 claims abstract description 18
- 238000007151 ring opening polymerisation reaction Methods 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 361
- 238000000034 method Methods 0.000 claims description 76
- -1 poly (dioxepanone) Polymers 0.000 claims description 75
- 239000002904 solvent Substances 0.000 claims description 64
- 229920001432 poly(L-lactide) Polymers 0.000 claims description 60
- 229920001244 Poly(D,L-lactide) Polymers 0.000 claims description 52
- 229910000077 silane Inorganic materials 0.000 claims description 44
- 229920001577 copolymer Polymers 0.000 claims description 38
- 125000001072 heteroaryl group Chemical group 0.000 claims description 37
- 239000003795 chemical substances by application Substances 0.000 claims description 36
- 125000000524 functional group Chemical group 0.000 claims description 30
- 125000001424 substituent group Chemical group 0.000 claims description 30
- 239000003054 catalyst Substances 0.000 claims description 27
- 230000004913 activation Effects 0.000 claims description 26
- 229920001400 block copolymer Polymers 0.000 claims description 23
- 125000003277 amino group Chemical group 0.000 claims description 21
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 21
- 239000000178 monomer Substances 0.000 claims description 18
- 229920001610 polycaprolactone Polymers 0.000 claims description 18
- 230000004888 barrier function Effects 0.000 claims description 17
- 229920001519 homopolymer Polymers 0.000 claims description 16
- 239000011247 coating layer Substances 0.000 claims description 14
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Polymers OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 13
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 13
- 229960003957 dexamethasone Drugs 0.000 claims description 12
- UREBDLICKHMUKA-CXSFZGCWSA-N dexamethasone Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@@H](C)[C@@](C(=O)CO)(O)[C@@]1(C)C[C@@H]2O UREBDLICKHMUKA-CXSFZGCWSA-N 0.000 claims description 12
- 229920000954 Polyglycolide Polymers 0.000 claims description 11
- 229920001434 poly(D-lactide) Polymers 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 10
- 229920001306 poly(lactide-co-caprolactone) Polymers 0.000 claims description 10
- 229920006301 statistical copolymer Polymers 0.000 claims description 10
- 229920002463 poly(p-dioxanone) polymer Polymers 0.000 claims description 9
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 8
- 102000000578 Cyclin-Dependent Kinase Inhibitor p21 Human genes 0.000 claims description 7
- 108010016788 Cyclin-Dependent Kinase Inhibitor p21 Proteins 0.000 claims description 7
- 239000007825 activation reagent Substances 0.000 claims description 7
- 230000001028 anti-proliverative effect Effects 0.000 claims description 7
- 210000004369 blood Anatomy 0.000 claims description 7
- 239000008280 blood Substances 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 6
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 6
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 125000005415 substituted alkoxy group Chemical group 0.000 claims description 6
- 210000001124 body fluid Anatomy 0.000 claims description 5
- 239000010839 body fluid Substances 0.000 claims description 5
- 125000005017 substituted alkenyl group Chemical group 0.000 claims description 5
- 125000004426 substituted alkynyl group Chemical group 0.000 claims description 5
- 239000005062 Polybutadiene Substances 0.000 claims description 4
- 229920001308 poly(aminoacid) Polymers 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- 239000002260 anti-inflammatory agent Substances 0.000 claims description 3
- 229920000193 polymethacrylate Polymers 0.000 claims description 3
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 claims description 3
- 125000003107 substituted aryl group Chemical group 0.000 claims description 3
- 230000004663 cell proliferation Effects 0.000 claims description 2
- 241000124008 Mammalia Species 0.000 claims 2
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 claims 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims 1
- 125000001475 halogen functional group Chemical group 0.000 claims 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 claims 1
- 239000000243 solution Substances 0.000 description 111
- 239000000203 mixture Substances 0.000 description 83
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 61
- 239000011159 matrix material Substances 0.000 description 56
- 238000006116 polymerization reaction Methods 0.000 description 49
- 125000000217 alkyl group Chemical group 0.000 description 43
- 125000003118 aryl group Chemical group 0.000 description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 41
- 238000006243 chemical reaction Methods 0.000 description 40
- 229920000747 poly(lactic acid) Polymers 0.000 description 34
- NQVIIUBWMBHLOZ-UHFFFAOYSA-N 2-[2-hydroxyethyl-[6-[(4-methoxyphenyl)methylamino]-9-propan-2-ylpurin-2-yl]amino]ethanol Chemical compound C1=CC(OC)=CC=C1CNC1=NC(N(CCO)CCO)=NC2=C1N=CN2C(C)C NQVIIUBWMBHLOZ-UHFFFAOYSA-N 0.000 description 32
- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 description 31
- 150000001875 compounds Chemical class 0.000 description 31
- 239000012071 phase Substances 0.000 description 27
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 229910052757 nitrogen Inorganic materials 0.000 description 23
- 229910001220 stainless steel Inorganic materials 0.000 description 23
- 239000010935 stainless steel Substances 0.000 description 23
- 239000003814 drug Substances 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- 125000003342 alkenyl group Chemical group 0.000 description 20
- 239000011521 glass Substances 0.000 description 20
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 20
- 238000011068 loading method Methods 0.000 description 20
- 229940079593 drug Drugs 0.000 description 19
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 18
- 125000000304 alkynyl group Chemical group 0.000 description 18
- 125000000623 heterocyclic group Chemical group 0.000 description 18
- 125000003545 alkoxy group Chemical group 0.000 description 17
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 16
- 229920000578 graft copolymer Polymers 0.000 description 14
- 229910052736 halogen Inorganic materials 0.000 description 14
- 150000002367 halogens Chemical class 0.000 description 14
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 13
- 230000008021 deposition Effects 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 125000004432 carbon atom Chemical group C* 0.000 description 12
- 125000004093 cyano group Chemical group *C#N 0.000 description 12
- 238000009792 diffusion process Methods 0.000 description 12
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 12
- 238000013459 approach Methods 0.000 description 11
- 125000000392 cycloalkenyl group Chemical group 0.000 description 11
- 239000007943 implant Substances 0.000 description 11
- 230000000977 initiatory effect Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 238000012694 Lactone Polymerization Methods 0.000 description 10
- 125000000753 cycloalkyl group Chemical group 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 10
- 125000005843 halogen group Chemical group 0.000 description 10
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 10
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 9
- 125000002947 alkylene group Chemical group 0.000 description 9
- 125000004104 aryloxy group Chemical group 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 9
- 150000004706 metal oxides Chemical group 0.000 description 9
- 229920006254 polymer film Polymers 0.000 description 9
- 210000001519 tissue Anatomy 0.000 description 9
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical compound O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 8
- 239000008199 coating composition Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 125000002252 acyl group Chemical group 0.000 description 7
- 150000004703 alkoxides Chemical class 0.000 description 7
- 125000005110 aryl thio group Chemical group 0.000 description 7
- 125000004429 atom Chemical group 0.000 description 7
- 125000004181 carboxyalkyl group Chemical group 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000002609 medium Substances 0.000 description 7
- 229910044991 metal oxide Inorganic materials 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 241000894007 species Species 0.000 description 7
- 239000002344 surface layer Substances 0.000 description 7
- 238000013268 sustained release Methods 0.000 description 7
- 239000012730 sustained-release form Substances 0.000 description 7
- 229930194542 Keto Natural products 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 125000004442 acylamino group Chemical group 0.000 description 6
- 125000004423 acyloxy group Chemical group 0.000 description 6
- 125000000033 alkoxyamino group Chemical group 0.000 description 6
- 125000004414 alkyl thio group Chemical group 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 6
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 125000000852 azido group Chemical group *N=[N+]=[N-] 0.000 description 6
- 239000000872 buffer Substances 0.000 description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 125000005553 heteroaryloxy group Chemical group 0.000 description 6
- 125000005368 heteroarylthio group Chemical group 0.000 description 6
- 125000004470 heterocyclooxy group Chemical group 0.000 description 6
- 125000004468 heterocyclylthio group Chemical group 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 125000002349 hydroxyamino group Chemical group [H]ON([H])[*] 0.000 description 6
- 238000002513 implantation Methods 0.000 description 6
- 125000000468 ketone group Chemical group 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 6
- 239000004632 polycaprolactone Substances 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- 238000004528 spin coating Methods 0.000 description 6
- 125000002813 thiocarbonyl group Chemical group *C(*)=S 0.000 description 6
- 150000003573 thiols Chemical class 0.000 description 6
- 239000011135 tin Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 125000004103 aminoalkyl group Chemical group 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 229920001477 hydrophilic polymer Polymers 0.000 description 5
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- 238000006884 silylation reaction Methods 0.000 description 5
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 5
- YEDDVXZFXSHDIB-UHFFFAOYSA-N 1,1,2,2,3,3-hexafluoropropan-1-ol Chemical compound OC(F)(F)C(F)(F)C(F)F YEDDVXZFXSHDIB-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000012190 activator Substances 0.000 description 4
- 125000004466 alkoxycarbonylamino group Chemical group 0.000 description 4
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- 125000005372 silanol group Chemical group 0.000 description 4
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- WWBITQUCWSFVNB-UHFFFAOYSA-N 3-silylpropan-1-amine Chemical compound NCCC[SiH3] WWBITQUCWSFVNB-UHFFFAOYSA-N 0.000 description 3
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
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- GLISZRPOUBOZDL-UHFFFAOYSA-N 3-bromopropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCBr GLISZRPOUBOZDL-UHFFFAOYSA-N 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
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- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 101000730648 Homo sapiens Phospholipase A-2-activating protein Proteins 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
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Classifications
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Landscapes
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- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
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Abstract
Description
| 방출 시스템의 파라미터(단위) | G | H | J |
| 필름 두께 (㎛) | 2.88 | 2.85 | 3.02 |
| 매트릭스 중 생물학적 활성제의 초기 로딩 (%) | 10.3 | 18.9 | 25.1 |
| 60일 동안 방출된 분율 (%) | 46 | 41 | 40 |
| 매트릭스 내에 잔류하는 분획 (%) | 53 | 56 | 57 |
| 초기-파열 분율 (%) | 5.4 | 8.6 | 10.5 |
| 방출 속도(a)(ng/일/㎠) | 200 | 320 | 1280(b)380(c) |
| 방출 시스템의 파라미터a)(단위) | N(PLAA+PDLLA 스킨) | P(PLLA) |
| 필름 두께 (㎛) | 3.06b) | 2.74 |
| 매트릭스 중 생물학적 활성제의 초기 로딩(%) | 24.6c) | 28.8 |
| 12 일 동안 방출된 분획(%) | 42.5 | 93.4 |
| 매트릭스에 잔류하는 분획(%) | 62.4 | 13.4 |
| 초기-파열 분획(%) | 15.2 | 20.6 |
| 방출 속도 (ng/일/㎠) | 2040 | 8300 |
| 시리즈 | L-락티드/D-락티드 비 |
| Q | 1.00 |
| R | 0.88 |
| S | 0.75 |
| T | 0.75 |
| U | 0.50 |
| 시리즈의 SS-플레이트 상의 서방성 방출 코팅의 특성 | ||||
| 파라미터/시리즈 | V | W | X | Y |
| 실험에서 플레이트의 수 | 18 | 18 | 18 | 10 |
| 중합체 매트릭스 | PDLLA | PDLLA | PDLLA | PLLA |
| 컨테이너 층 두께(um) | 2.0 | 1.8 | 1.4 | 1.2 |
| cv313 로딩(% w/w) | 3.7 | 7.5 | 23 | 18 |
| 방출 속도(용량)(ng/일) | 24(54) | 82(164) | 222(444) | 339(678) |
| 시리즈 | ΘA | ΘR |
| A (깨끗한 유리) | 54.1 ±1.2 | 40.9 ±1.4 |
| B (실란 활성화) | 72.1 ±3.4 | 59.7 ±3.6 |
| C (PLLA 그라프트) | 82.1 ±2.2 | 61.4 ±2.4 |
| D (PLLA 침적) | 81.5 ±2.6 | 62.0 ±2.8 |
| E (PDLLA-MeO-PEO) | 31.2 ±1.6 | 32.4 ±3.4 |
Claims (51)
- 접촉하는 혈액, 기타 체액 등에 대한 체액-접촉 표면을 갖는 의료 장치용 코팅으로서, 하기를 포함하는 코팅:의료 장치의 표면에 공유 결합된 중합된 실란 유도체로서, 상기 중합된 실란 유도체는 히드록실 또는 아미노 작용기를 함유함; 및제위치(in situ) 개환 중합을 통해, 중합된 실란 유도체의 작용기에 공유 결합된 락톤 중합체.
- 접촉하는 혈액, 기타 체액 등에 대한 체액-접촉 표면을 갖는 의료 장치용 코팅으로서, 하기를 포함하는 코팅:의료 장치의 표면에 공유 결합된 중합된 실란 유도체로서, 상기 중합된 실란 유도체는 히드록실 또는 아미노 작용기를 함유함;제위치 개환 중합을 통해, 중합된 실란 유도체의 작용기에 공유 결합된 락톤 중합체; 및결합된 락톤 중합체 층 위에 침적된 하나 이상의 중합체.
- 제 2 항에 있어서, 약 0.5 중량% 내지 약 60 중량% 의 하나 이상의 생물학적 활성제를 포함하는 코팅.
- 제 3 항에 있어서, 약 0.5 중량% 내지 약 34 중량% 의 하나 이상의 생물학적 활성제를 포함하는 코팅.
- 제 3 항에 있어서, 상기 생물학적 활성제가 항증식제인 코팅.
- 제 5 항에 있어서, 상기 생물학적 활성제가 CDK2 억제제인 코팅.
- 제 3 항에 있어서, 상기 생물학적 활성제가 항염증성 스테로이드인 코팅.
- 제 7 항에 있어서, 상기 생물학적 활성제가 덱사메타손인 코팅.
- 제 2 항에 있어서, 상기 결합된 락톤 중합체가 락톤 단독중합체 또는 락톤 공중합체를 포함하며, 여기서 락톤 단독중합체는 폴리글리콜리드, 폴리(L-락티드), 폴리(D-락티드), 폴리(ε-카프로락톤), 폴리(p-디옥사논), 폴리(디옥세파논) 또는 폴리(D,L-락티드) 를 포함하거나, 락톤 공중합체는 통계적 또는 블록 공중합체를 포함하며, 여기서 통계적 또는 블록 공중합체는 폴리(L-락티드-코-D-락티드), 폴리(L-락티드-코-글리콜리드), 폴리(D-락티드-코-글리콜리드), 폴리(D,L-락티드-코-글리콜리드), 폴리(락티드-코-카프로락톤), 폴리(락티드-코-디옥사논), 또는 폴리 (락티드-코-디옥세파논) 를 포함하는 코팅.
- 제 9 항에 있어서, 결합된 락톤 중합체는 폴리(L-락티드) 또는 폴리(D,L-락티드)를 포함하는 코팅.
- 제 2 항에 있어서, 상기 침적된 중합체 층은, 전체로서 또는 그의 일부분 이상을 통해 공유 결합된 락톤 중합체 층과 상용성이거나(compatible) 혼화성인(miscible) 하나 이상의 중합체를 포함하는 코팅.
- 제 11 항에 있어서, 침적된 중합체 층이 폴리에스테르이거나, 폴리에스테르 블록을 포함하는 블록 공중합체인 코팅.
- 제 2 항에 있어서, 결합된 락톤 중합체 층 위에 침적된 중합체가 둘 이상의 중합체 하위층을 포함하는 코팅.
- 제 12 항에 있어서, 침적된 중합체의 폴리에스테르 성분이 락톤 단독중합체 또는 락톤 공중합체를 포함하며, 여기서 락톤 단독중합체는 폴리글리콜리드, 폴리(L-락티드), 폴리(D-락티드), 폴리(ε-카프로락톤), 폴리(p-디옥사논), 폴리(디옥세파논) 또는 폴리(D,L-락티드) 를 포함하거나, 락톤 공중합체는 통계적 또는 블록 공중합체를 포함하며, 여기서 통계적 또는 블록 공중합체는 폴리(L-락티드-코-D-락티드), 폴리(L-락티드-코-글리콜리드), 폴리(D-락티드-코-글리콜리드), 폴리(D,L-락티드-코-글리콜리드), 폴리(락티드-코-카프로락톤), 폴리(락티드-코-디옥사논),또는 폴리(락티드-코-디옥세파논) 를 포함하는 코팅.
- 제 14 항에 있어서, 침적된 중합체가 폴리(L-락티드) 또는 폴리(D,L-락티드)를 포함하는 코팅.
- 제 13 항에 있어서, 각각의 침적된 중합체 하위층이 독립적으로 락톤 중합체이고, 여기서 락톤 중합체가 락톤 단독중합체 또는 공중합체를 포함하는 코팅.
- 제 16 항에 있어서, 락톤 공중합체가 블록 공중합체를 포함하며, 여기서 하나 이상의 폴리락톤 블록은 폴리글리콜리드, 폴리(L-락티드), 폴리(D-락티드), 폴리(ε-카프로락톤), 폴리(p-디옥사논), 폴리(디옥세파논) 또는 폴리(D,L-락티드), 폴리(L-락티드-코-D-락티드), 폴리(L-락티드-코-글리콜리드), 폴리(D-락티드-코-글리콜리드), 폴리(D,L-락티드-코-글리콜리드), 폴리(락티드-코-카프로락톤), 폴리(락티드-코-디옥사논), 또는 폴리 (락티드-코-디옥세파논) 를 포함하고, 기타 블록 공중합체는 폴리알킬렌 옥시드, 폴리(아미노산), 폴리(아크릴레이트), 폴리(메타크릴레이트) 또는 폴리부타디엔을 포함하는 코팅.
- 제 2 항에 있어서, 상기 침적된 폴리에스테르 중합체가 103내지 106의 분자량을 갖는 코팅.
- 제 3 항에 있어서, 코팅 층들 내의 생물학적 활성제의 농도가 각각의 층에 대해 동일할 수 있거나, 농도는 코팅의 층끼리 서로 다를 수 있는 코팅.
- 제 2 항에 있어서, 추가로 중합체 스킨 또는 배리어 층을 포함하는 코팅.
- 제 20 항에 있어서, 중합체 스킨 또는 배리어 층이 폴리에스테르 중합체를 포함하는 코팅.
- 제 21 항에 있어서, 상기 폴리에스테르 중합체가 락톤 단독중합체 또는 락톤 공중합체를 포함하며, 여기서 락톤 단독중합체는 폴리글리콜리드, 폴리(L-락티드), 폴리(D-락티드), 폴리(ε-카프로락톤), 폴리(p-디옥사논), 폴리(디옥세파논) 또는 폴리(D,L-락티드) 를 포함하거나, 락톤 공중합체는 통계적 또는 블록 공중합체를 포함하며, 여기서 통계적 또는 블록 공중합체는 폴리(L-락티드-코-D-락티드), 폴리(L-락티드-코-글리콜리드), 폴리(D-락티드-코-글리콜리드), 폴리(D,L-락티드-코-글리콜리드), 폴리(락티드-코-카프로락톤), 폴리(락티드-코-디옥사논), 또는 폴리 (락티드-코-디옥세파논) 를 포함하는 코팅.
- 제 2 항에 있어서, 의료 장치가 스텐트(stent)인 코팅.
- 하기 단계를 포함하는 의료 장치의 코팅 방법:(a) 의료 장치의 표면을 실란-기재 활성화 시약과 반응시켜, 의료 장치의 표면에 공유 결합된 중합된 실란 유도체를 형성시키는 단계로서, 상기 중합된 실란 유도체는 히드록실기 또는 히드록실기로 변환될 수 있는 기타 작용기를 함유함;(b) 단계 (a) 의 장치를 금속 촉매의 존재 하에 하나 이상의 락톤 단량체와 반응시켜, 중합된 실란 유도체의 작용기에 의해 개시된 제위치 그라프팅 개환 중합에 의해, 중합된 실란 유도체에 공유 결합된 락톤 중합체를 형성시키는 단계; 및(c) 단계 (b) 의 장치를 중합체 용액으로 처리하고,이어서 용매를 제거하여 공유 결합된 락톤 중합체 층에 부착된 중합체의 층을 침적시키는 단계.
- 제 24 항에 있어서, 상기 실란-기재 활성화 시약은 화학식 R1-Si(R2)3(여기서 R1은 치환 알킬, 치환 알케닐, 치환 알키닐, 치환 아르알킬, 치환 헤테로아릴 및 치환 알콕시에서 독립적으로 선택되나, 단 R1은 히드록시 또는 아미노 기, 또는 히드록시 또는 아미노 기를 함유하는 라디칼로 변환될 수 있는 작용기를 함유하고; R2는 할로, 선택적으로 치환된 알콕시, 선택적으로 치환된 아릴옥시, 선택적으로 치환된 실릴옥시 또는 선택적으로 치환된 알킬에서 독립적으로 선택되나, 단 3 개의 R2치환체 모두가 동시에 치환된 알킬은 아님) 의 화합물을 포함하는 방법.
- 제 24 항에 있어서, 단계 (c) 를 2회 이상 반복하여 공유 결합된 락톤 중합체 위에 침적된 다중층의 중합체를 제공하는 방법.
- 제 24 항에 있어서, 침적된 중합체의 상부에 배리어 또는 스킨 층을 침적시키는 것을 추가로 포함하는 방법.
- 제 26 항에 있어서, 침적된 폴리에스테르 중합체의 상부에 배리어 또는 스킨 층을 침적시키는 것을 추가로 포함하는 방법.
- 제 27 항에 있어서, 상기 배리어 또는 스킨 층이 락톤 중합체를 포함하는 방법.
- 제 29 항에 있어서, 상기 락톤 중합체가 폴리글리콜리드, 폴리(L-락티드), 폴리(D-락티드), 폴리(ε-카프로락톤), 폴리(p-디옥사논), 폴리(디옥세파논), 폴리(D,L-락티드), 폴리(L-락티드-코-D-락티드), 폴리(L-락티드-코-글리콜리드), 폴리(D-락티드-코-글리콜리드), 폴리(D,L-락티드-코-글리콜리드), 폴리(락티드-코-카프로락톤), 폴리(락티드-코-디옥사논), 또는 폴리 (락티드-코-디옥세파논) 을 포함하는 방법.
- 제 28 항에 있어서, 상기 배리어 또는 스킨 층이 락톤 중합체를 포함하는 방법.
- 제 31 항에 있어서, 상기 락톤 중합체가 폴리글리콜리드, 폴리(L-락티드), 폴리(D-락티드), 폴리(ε-카프로락톤), 폴리(p-디옥사논), 폴리(디옥세파논), 폴리(D,L-락티드), 폴리(L-락티드-코-D-락티드), 폴리(L-락티드-코-글리콜리드), 폴리(D-락티드-코-글리콜리드), 폴리(D,L-락티드-코-글리콜리드), 폴리(락티드-코-카프로락톤), 폴리(락티드-코-디옥사논), 또는 폴리 (락티드-코-디옥세파논) 을 포함하는 방법.
- 제 24 항에 있어서, 결합된 락톤 중합체 층 위에 침적된 중합체가 둘 이상의 중합체 하위층을 포함하는 방법.
- 제 33 항에 있어서, 침적된 중합체 하위층은 각각 독립적으로 락톤 중합체를 포함하고, 여기서 락톤 중합체가 폴리글리콜리드, 폴리(L-락티드), 폴리(D-락티드), 폴리(ε-카프로락톤), 폴리(p-디옥사논), 폴리(디옥세파논), 폴리(D,L-락티드), 폴리(L-락티드-코-D-락티드), 폴리(L-락티드-코-글리콜리드), 폴리(D-락티드-코-글리콜리드), 폴리(D,L-락티드-코-글리콜리드), 폴리(락티드-코-카프로락톤), 폴리(락티드-코-디옥사논), 또는 폴리 (락티드-코-디옥세파논) 을 포함하는 방법.
- 제 34 항에 있어서, 침적된 중합체는 폴리(L-락티드) 또는 폴리(D,L-락티드)를 포함하는 방법.
- 제 24 항에 있어서, 단계 (c) 의 중합체를 분무 코팅에 의해 침적시키는 방법.
- 제 24 항에 있어서, 침적된 중합체가 생물학적 활성제를 포함하는 방법.
- 제 24 항에 있어서, 코팅된 장치를 사용 전에 멸균시키는 방법.
- 접촉하는 혈액, 기타 체액 등에 대한 의료 장치의 체액-접촉 표면에 대해 코팅된 의료 장치로서, 상기 코팅이 하기를 포함하는 의료 장치:의료 장치의 체액-접촉 표면에 공유적으로 고정된 중합된 표면 활성화 층으로서, 상기 활성화 층은 히드록실 또는 아미노 작용기를 함유함;제위치 개환 중합을 통해, 중합된 실란 유도체의 작용기에 공유 결합된 락톤 중합체; 및결합된 락톤 중합체 층에 침적된 하나 이상의 중합체.
- 제 39 항에 있어서, 상기 코팅이 약 0.5 중량% 내지 약 60 중량% 의 하나 이상의 생물학적 활성제를 포함하는 장치.
- 제 40 항에 있어서, 상기 코팅이 약 0.5 중량% 내지 약 34 중량% 의 하나 이상의 생물학적 활성제를 포함하는 장치.
- 제 40 항에 있어서, 상기 생물학적 활성제가 항증식제인 장치.
- 제 42 항에 있어서, 상기 생물학적 활성제가 CDK2 억제제인 장치.
- 제 40 항에 있어서, 상기 생물학적 활성제가 항염증성 스테로이드인 장치.
- 제 44 항에 있어서, 상기 생물학적 활성제가 덱사메타손인 장치.
- 제 39 항에 있어서, 의료 장치가 스텐트인 장치.
- 접촉하는 혈액, 기타 체액 등에 대한 의료 장치의 체액-접촉 표면에 대해 코팅된 의료 장치를 포유류에게 제공하는 것을 포함하는 포유류에서의 세포 증식 감소 방법으로서, 상기 코팅이 하기를 포함하는 방법:의료 장치의 체액-접촉 표면에 공유적으로 고정된 중합된 표면 활성화 층으로서, 상기 활성화 층은 히드록실 또는 아미노 작용기를 함유함;제위치 개환 중합을 통해, 실란 유도체에 공유 결합된 락톤 중합체; 및결합된 락톤 중합체 층에 침적된 하나 이상의 폴리에스테르 중합체.
- 제 47 항에 있어서, 상기 장치가 약 0.5 중량% 내지 약 60 중량% 의 하나 이상의 생물학적 활성제를 추가로 포함하는 방법.
- 제 47 항에 있어서, 의료 장치가 스텐트인 방법.
- 제 48 항에 있어서, 상기 생물학적 활성제가 항증식제인 방법.
- 제 50 항에 있어서, 상기 생물학적 활성제가 CDK2 억제제인 방법.
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| PCT/CZ2003/000011 WO2003068289A1 (en) | 2002-02-15 | 2003-02-14 | Polymer coating for medical devices |
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2003
- 2003-02-14 PT PT06025591T patent/PT1764118E/pt unknown
- 2003-02-14 KR KR10-2004-7012626A patent/KR20040097126A/ko not_active Abandoned
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012121507A3 (ko) * | 2011-03-10 | 2012-12-20 | 서울대학교 산학협력단 | 혈관내피 전구세포를 선택적으로 포획할 수 있는 스텐트 및 이의 제조 방법 |
| KR102407468B1 (ko) * | 2021-11-30 | 2022-06-10 | 주식회사 파인트코리아 | 스텐트 제조용 생분해성 복합소재 조성물 및 이의 제조 방법 |
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