JP6963739B2 - 軟質眼内レンズ材料および軟質眼内レンズ - Google Patents
軟質眼内レンズ材料および軟質眼内レンズ Download PDFInfo
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- JP6963739B2 JP6963739B2 JP2020562440A JP2020562440A JP6963739B2 JP 6963739 B2 JP6963739 B2 JP 6963739B2 JP 2020562440 A JP2020562440 A JP 2020562440A JP 2020562440 A JP2020562440 A JP 2020562440A JP 6963739 B2 JP6963739 B2 JP 6963739B2
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- acrylate
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- intraocular lens
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- meth
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- 239000000463 material Substances 0.000 title claims description 88
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 149
- 239000000178 monomer Substances 0.000 claims description 118
- 125000003118 aryl group Chemical group 0.000 claims description 62
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 49
- 238000006116 polymerization reaction Methods 0.000 claims description 49
- 125000003545 alkoxy group Chemical group 0.000 claims description 47
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 125000002947 alkylene group Chemical group 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 230000001588 bifunctional effect Effects 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 18
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- AOJOEFVRHOZDFN-UHFFFAOYSA-N benzyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC1=CC=CC=C1 AOJOEFVRHOZDFN-UHFFFAOYSA-N 0.000 description 8
- 125000000524 functional group Chemical group 0.000 description 8
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- 238000011084 recovery Methods 0.000 description 8
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 7
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- JFZHPFOXAAIUMB-UHFFFAOYSA-N Phenylethylmalonamide Chemical compound CCC(C(N)=O)(C(N)=O)C1=CC=CC=C1 JFZHPFOXAAIUMB-UHFFFAOYSA-N 0.000 description 3
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- QUEWJUQWKGAHON-UHFFFAOYSA-N (2-phenylphenyl) 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1=CC=CC=C1C1=CC=CC=C1 QUEWJUQWKGAHON-UHFFFAOYSA-N 0.000 description 2
- YKYIFUROKBDHCY-ONEGZZNKSA-N (e)-4-ethoxy-1,1,1-trifluorobut-3-en-2-one Chemical group CCO\C=C\C(=O)C(F)(F)F YKYIFUROKBDHCY-ONEGZZNKSA-N 0.000 description 2
- 229940058015 1,3-butylene glycol Drugs 0.000 description 2
- HZMXJTJBSWOCQB-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethyl prop-2-enoate Chemical compound COCCOCCOC(=O)C=C HZMXJTJBSWOCQB-UHFFFAOYSA-N 0.000 description 2
- WTJTUKSVRGVSNZ-UHFFFAOYSA-N 2-(2-phenoxyethoxy)ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOC1=CC=CC=C1 WTJTUKSVRGVSNZ-UHFFFAOYSA-N 0.000 description 2
- ILZXXGLGJZQLTR-UHFFFAOYSA-N 2-phenylethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCC1=CC=CC=C1 ILZXXGLGJZQLTR-UHFFFAOYSA-N 0.000 description 2
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- FCFDFAVHZMMDEO-UHFFFAOYSA-N methoxymethane;prop-2-enoic acid Chemical compound COC.OC(=O)C=C FCFDFAVHZMMDEO-UHFFFAOYSA-N 0.000 description 2
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- DOMLXBPXLNDFAB-UHFFFAOYSA-N ethoxyethane;methyl prop-2-enoate Chemical compound CCOCC.COC(=O)C=C DOMLXBPXLNDFAB-UHFFFAOYSA-N 0.000 description 1
- LVMRFLWAXIZLNG-UHFFFAOYSA-N ethoxyethane;prop-2-enoic acid Chemical compound CCOCC.OC(=O)C=C LVMRFLWAXIZLNG-UHFFFAOYSA-N 0.000 description 1
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000006574 non-aromatic ring group Chemical group 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 125000004115 pentoxy group Chemical group [*]OC([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- GRDVGGZNFFBWTM-UHFFFAOYSA-N phenyl 2-methylprop-2-eneperoxoate Chemical compound CC(=C)C(=O)OOC1=CC=CC=C1 GRDVGGZNFFBWTM-UHFFFAOYSA-N 0.000 description 1
- QIWKUEJZZCOPFV-UHFFFAOYSA-N phenyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1=CC=CC=C1 QIWKUEJZZCOPFV-UHFFFAOYSA-N 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
- 229940006076 viscoelastic substance Drugs 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Images
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- 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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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- 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
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- 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
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- 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
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- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
本出願は2018年12月28日に出願された国際出願PCT/JP2018/048610号に基づく優先権を主張しており、その出願の全内容は本明細書中に参照として組み入れられている。
なお、上記のグリスニング発生のための温度条件である「60℃」および「25℃」との温度は、±2℃程度の変動または誤差は許容され得る。
BZMA :ベンジルメタクリレート
EGPEMA:エチレングリコールモノフェニルエーテルメタクリレート
EGPEA :エチレングリコールモノフェニルエーテルアクリレート
PEMA :フェニルエチルメタクリレート
PEA :フェニルエチルアクリレート
MEA :2−メトキシエチルアクリレート
EEEA:2−(2−エトキシエトキシ)エチルアクリレート
MEMA:2−メトキシエチルメタクリレート
EEMA:2−エトキシエチルメタクリレート
EA :n−エチルアクリレート
BA :n−ブチルアクリレート
BMA :n−ブチルメタクリレート
HBA :4−ヒドロキシブチルアクリレート
HEA :2−ヒドロキシエチルアクリレート
HEMA:2−ヒドロキシエチルメタクリレート
架橋性モノマーとしては、以下の3種を用意した。
BDDA :1,4―ブタンジオールジアクリレート
NDDA :1,9―ノナンジオールジアクリレート
TMPTA:トリメチロールプロパントリアクリレート
各例の評価用眼内レンズ材料(1.5cm角)について、国際ゴム硬さ(IRHD)を測定した。デュロメータとしては、株式会社テクロック製のGS−680sel(JIS K6253:2012に規定されるタイプAデュロメータ)を用い、ISO48:2010(JIS K6253−2)のM法(中硬さ用マイクロサイズ試験)に準じて、平面硬さを測定した。国際ゴム硬さの測定は、各例の軟質レンズ成型体を、温度:21〜23℃、湿度:30〜70%RHの試験環境で1時間以上慣らしたのち、試験数:n=5にてゴム硬さを測定することで実施した。得られた国際ゴム硬さから算術平均値を算出し、下記表1の当該欄に示した。なお、IRHDは、下限が「30」であり、IRHD30未満の硬度については測定できない。
各例の評価用の軟質レンズ成型体について、促進的にグリスニングを発生させたのち、顕微鏡観察および画像解析を行うことによりグリスニングの輝点の数と面積とを算出し、グリスニング特性を評価した。軟質レンズ成型体は、光学部の直径が約6mm、厚さ0.6mmであり、その周縁に一対の支持部が備えられている。グリスニング発生のための促進条件は、各例の軟質レンズ成型体を超純水に浸漬させた状態で、60℃の加熱環境で2時間保持し、次いで、室温で24時間静置するものとした。これは、嚢内を模した湿潤環境において、レンズ成型体に対し高温から低温への急激な温度変化を付与することでレンズ成型体の吸水率を急激に低下させ、ポリマー構造内に局所的に水分が取り残される状況を作り出すものである。超純水としては、電気抵抗率が16MΩ・cm以上(25℃)に管理されている超純水(通常は18MΩ・cm以上)を用いた。なお、室温環境は25±2℃に管理されている。
モード設定:手動露光
露光時間:30m/s
ゲイン:1.00×
コントラスト設定:標準
照明:暗視野(光量最大)
調光ダイヤル:光量最大
倍率:15倍(対物レンズ1×,接眼レンズ10×,ズーム1.5×)
まず、撮像した軟質レンズ成型体の平面画像をImage Jに取り込み、Image(画像)メニューのType(画像タイプ)サブメニューの「8−bit」処理を施すことにより、画像を8ビットグレースケールに変換した。次いで、Adjust(補正)サブメニューにおいて、Threshold(閾値)レベルの上限を255、下限を40に調整することで、画像の閾値範囲のピクセルを黒色に、それ以外のピクセルを白色に変換する二値化を行った。これにより、軟質レンズ成型体の画像は、おおよそ、輪郭および輝点が黒色に、その他の部分が白色に二値化される。その後、Image(画像)メニューの楕円領域選択ツールボタンを使用し、二値化した軟質レンズ成型体像の光学部の領域(輪郭の内側)を選択することで、解析領域を作成(Create Selection)した。
以上のIRHDとグリスニング抑制の評価結果から、IRHDが40以上60以下であって、グリスニングの官能評価の結果がAであった軟質眼内レンズ材料を、適切な柔軟性等の機械的特性とグリスニング抑制効果とを備える良品(OK)と評価し、IRHDが40未満または60超過であったり、グリスニングの官能評価の結果がBまたはCの場合を不良品(NG)とし、その結果を表1の「評価」の欄に示した。
これらのことから、モノマー成分が、アクリレートであるかメタクリレートであるは、形成される重合体の物理的特性やグリスニング特性に大きな影響を与えることが確認できた。
10 光学部
20 支持部
20a 屈曲部
Claims (10)
- 重合性を有する重合成分を重合させてなる軟質眼内レンズ材料であって、
前記重合成分は、
芳香族環含有メタクリレート(A)と、
アルコキシ基含有アクリレート(B)と、
ヒドロキシ基含有アクリレート(C)と、
架橋性(メタ)アクリレート(D)と、
を含み、
前記重合成分を100質量部としたとき、前記アルコキシ基含有アクリレート(B)の割合は、30質量部以上であり、かつ、
前記重合成分を100質量部としたとき、前記ヒドロキシ基含有アクリレート(C)は、8質量部以上12質量部以下であり、
前記芳香族環含有メタクリレート(A)は、以下の一般式(1):
前記アルコキシ基含有アクリレート(B)は、以下の一般式(2):
前記ヒドロキシ基含有アクリレート(C)は、以下の一般式(3):
前記架橋性(メタ)アクリレート(D)は、2官能(メタ)アクリレート又は3官能(メタ)アクリレートを含む、軟質眼内レンズ材料。 - 前記重合成分を100質量部としたとき、前記芳香族環含有メタクリレート(A)は、40質量部以上52質量部以下である、請求項1に記載の軟質眼内レンズ材料。
- 前記重合成分を100質量部としたとき、前記アルコキシ基含有アクリレート(B)は、35質量部以上46質量部以下である、請求項1または2に記載の軟質眼内レンズ材料。
- 前記重合成分を100質量部としたとき、前記芳香族環含有メタクリレート(A)と、前記アルコキシ基含有アクリレート(B)との総量は、75質量部以上90質量部以下である、請求項1〜3のいずれか1項に記載の軟質眼内レンズ材料。
- アルキル(メタ)アクリレートをさらに含む、請求項1〜4のいずれか1項に記載の軟質眼内レンズ材料。
- 前記重合成分を100質量部としたとき、前記アルキル(メタ)アクリレートの割合が10質量部以下である、請求項5に記載の軟質眼内レンズ材料。
- 前記アルキル(メタ)アクリレートは、オクチル(メタ)アクリレートを含む、請求項5または6に記載の軟質眼内レンズ材料。
- 前記重合成分は、紫外線吸収能を備えるモノマーを含む、請求項1〜7のいずれか1項に記載の軟質眼内レンズ材料。
- 前記重合成分は、黄色着色能を備えるモノマーを含む、請求項1〜8のいずれか1項に記載の軟質眼内レンズ材料。
- 請求項1〜9のいずれか1項に記載された眼内レンズ材料を用いて作製された、軟質眼内レンズ。
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CN113527567B (zh) * | 2021-07-26 | 2023-01-24 | 康小林 | 疏水性无闪光点高折光率眼科聚合物材料 |
CN116965768B (zh) * | 2023-07-07 | 2024-01-19 | 中山大学中山眼科中心 | 一种自动定量分析眼内前房炎症程度的系统 |
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JP7336064B2 (ja) | 2018-12-28 | 2023-08-31 | 株式会社ニデック | 軟質眼内レンズ材料および軟質眼内レンズ |
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