JP2010148776A - 医療用材料 - Google Patents
医療用材料 Download PDFInfo
- Publication number
- JP2010148776A JP2010148776A JP2008332010A JP2008332010A JP2010148776A JP 2010148776 A JP2010148776 A JP 2010148776A JP 2008332010 A JP2008332010 A JP 2008332010A JP 2008332010 A JP2008332010 A JP 2008332010A JP 2010148776 A JP2010148776 A JP 2010148776A
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- JP
- Japan
- Prior art keywords
- medical material
- chitosan
- medical
- solution containing
- silicone component
- 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.)
- Granted
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- 239000012567 medical material Substances 0.000 title claims abstract description 82
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 44
- 229920001661 Chitosan Polymers 0.000 claims abstract description 41
- 239000000178 monomer Substances 0.000 claims abstract description 30
- 229920000642 polymer Polymers 0.000 claims abstract description 29
- 229920002125 Sokalan® Polymers 0.000 claims abstract description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000004584 polyacrylic acid Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 230000000379 polymerizing effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 9
- 239000008280 blood Substances 0.000 claims description 4
- 210000004369 blood Anatomy 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 4
- 229940127554 medical product Drugs 0.000 claims description 2
- 230000003115 biocidal effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 27
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 21
- 239000002904 solvent Substances 0.000 description 21
- -1 azo compound Chemical class 0.000 description 19
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- 230000000844 anti-bacterial effect Effects 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
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- 238000006116 polymerization reaction Methods 0.000 description 11
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- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 125000000217 alkyl group Chemical group 0.000 description 8
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- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 6
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- 125000001424 substituent group Chemical group 0.000 description 6
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- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
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- 238000010998 test method Methods 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 3
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 3
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 3
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- 229940095102 methyl benzoate Drugs 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
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- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
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- 239000004698 Polyethylene Substances 0.000 description 2
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
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- 238000007740 vapor deposition Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
【解決手段】水酸基を有するシリコーンモノマーを少なくとも1種類含むモノマー組成物を重合して得られるシリコーン成分含有重合体(A)、及び分子量200〜800のキトサン(B)を含むことを特徴とする医療用材料及び、前記シリコーン成分含有重合体(A)からなる成形体を、ポリアクリル酸を含む溶液に浸漬した後に、前記キトサン(B)を含む溶液に浸漬する医療用材料の製造方法。
【選択図】なし
Description
(1)水酸基を有するシリコーンモノマーを少なくとも1種類含むモノマー組成物を重合して得られるシリコーン成分含有重合体(A)、及び分子量200〜800のキトサン(B)を含むことを特徴とする医療用材料。
(2)前記シリコーン成分含有重合体(A)中のケイ素原子の含量が5〜30重量%である上記(1)に記載の医療用材料。
(3)前記シリコーン成分含有重合体(A)中の水酸基の含量が0.0005〜0.01当量/gである上記(1)または(2)に記載の医療用材料。
(4)該医療用材料の用途が眼用レンズ、内視鏡、カテーテル、輸液チューブ、気体輸送チューブ、ステント、シース、カフ、チューブコネクター、アクセスポート、排液バック、および血液回路から選ばれた1種の医療用具である上記(1)〜(3)のいずれかに記載の医療用材料。
(5)該医療用材料の用途が眼用レンズである医療用材料。
(6)前記シリコーン成分含有重合体(A)を含む成形体を、前記キトサン(B)を含む溶液に浸漬することを特徴とする上記(1)〜(5)のいずれかに記載の医療用材料の製造方法。
(7)前記シリコーン成分含有重合体(A)を含む成形体を、ポリアクリル酸を含む溶液および前記キトサン(B)を含む溶液に浸漬することを特徴とする上記(1)〜(5)のいずれかに記載の医療用材料の製造方法。
(8)前記シリコーン成分含有重合体(A)を含む成形体を、ポリアクリル酸を含む溶液に浸漬した後に、前記キトサン(B)を含む溶液に浸漬することを特徴とする上記(1)〜(5)のいずれかに記載の医療用材料の製造方法。
R11は、Hまたはメチル基を表す。
R12およびR13は、それぞれ独立に、炭素数1〜18のアルキル基およびフェニル基から選ばれた置換基を表す。
R14は、炭素数1〜6のアルキル基およびフェニル基から選ばれた置換基を表す。
R15およびR16は、それぞれ独立に、炭素数1〜18のアルキル基およびフェニル基から選ばれた置換基を表す。]
kは小さすぎると得られる医療用材料の酸素透過性が低下し、大きすぎると透明な医療用材料が得られにくくなる傾向があることから、それぞれ1〜30がより好ましく、1〜20がさらに好ましく、最も好ましくは2〜10である。bは、小さすぎると得られる医療用材料の酸素透過性が低下し、大きすぎると弾性率が高くなりすぎる傾向があることから、それぞれ2または3が好ましい。
下記式(c)
得られたレンズの乾燥重量に対するケイ素原子の含有量は12.3重量%、酸素透過係数は72×10−11(cm2/sec)mLO2/(mL・hPa)であり透明で濁りがないレンズが得られた。濡れ性評価は、5秒であった。
上記キトサン(f)の5%水溶液に煮沸処理後のレンズを2時間浸漬させる前に、3%ポリアクリル酸水溶液に2時間浸漬し実施例1と同様の実験を行ったところ、得られたレンズの乾燥重量に対するケイ素原子の含有量は12.3重量%、酸素透過係数は72×10−11(cm2/sec)mLO2/(mL・hPa)であり透明で濁りがなく、濡れ性評価において、20秒経過してもレンズ表面の全体が均一に濡れていたことからコンタクトレンズとして好適であった。
上記キトサン(f)の代わりに、平均分子量1000のキトサンを用いて、実施例1および実施例2と同様の実験を行ったが、均一なキトサン水溶液が得られずレンズを実施例および実施例2と同様のレンズを作製することはできなかった。
上記シリコーンモノマー(c)、(d)の代わりに、水酸基を有しないシリコーンモノマー下記式(g)
記シリコーンモノマー(c)、(d)の代わりに、水酸基を有しないシリコーンモノマー下記式(h)
実施例1のモールドの代わりに、10cm角、厚さ3mmのガラス板2枚(うち1枚には剥離しやすいようにアルミシールを貼付)の間に、厚さ100μmのパラフィルムの中央部を切り抜いたものを2枚スペーサーとして挟み込んだものを使用し実施例1と同様の組成でフィルムを作製した。得られたフィルムを3cm角に切り出したものを3枚用意し、JIS Z 2801:2000「抗菌加工製品−抗菌性試験方法・抗菌効果」5.2 プラスチック製品などの試験方法に基づき、コンタクトレンズ使用時にみられる代表的な細菌の一つである緑膿菌(Pseudomonas aeruginosa NBRC 13275)に対する抗菌評価を行った。その結果、コントロールに対する対数菌濃度の平均の差が−3.5であり、高い抗菌性が確認できた。
実施例2と同様の組成で実施例3と同様の抗菌評価を行った。その結果、コントロールに対する対数菌濃度の平均の差が−4.6であり、高い抗菌性が確認できた。
Claims (8)
- 水酸基を有するシリコーンモノマーを少なくとも1種類含むモノマー組成物を重合して得られるシリコーン成分含有重合体(A)、及び分子量200〜800のキトサン(B)を含むことを特徴とする医療用材料。
- 前記シリコーン成分含有重合体(A)の含有量が5〜30重量%である請求項1に記載の医療用材料。
- 前記シリコーン成分含有重合体(A)中の水酸基の含量が0.0005〜0.01当量/gである請求項1または2に記載の医療用材料。
- 該医療用材料の用途が眼用レンズ、内視鏡、カテーテル、輸液チューブ、気体輸送チューブ、ステント、シース、カフ、チューブコネクター、アクセスポート、排液バック、および血液回路から選ばれた1種の医療用具である請求項1〜3のいずれかに記載の医療用材料。
- 該医療用材料の用途が眼用レンズである請求項1〜3のいずれかに記載の医療用材料。
- 前記シリコーン成分含有重合体(A)を含む成形体を、前記キトサン(B)を含む溶液に浸漬することを特徴とする請求項1〜5のいずれかに記載の医療用材料の製造方法。
- 前記シリコーン成分含有重合体(A)を含む成形体を、ポリアクリル酸を含む溶液および前記キトサン(B)を含む溶液に浸漬することを特徴とする請求項1〜5のいずれかに記載の医療用材料の製造方法。
- 前記シリコーン成分含有重合体(A)からなる成形体を、ポリアクリル酸を含む溶液に浸漬した後に、前記キトサン(B)を含む溶液に浸漬する請求項1〜5のいずれかに記載の医療用材料の製造方法。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2520579A3 (en) * | 2011-05-02 | 2013-02-27 | Ricoh Company, Ltd. | A silicone compound, photocurable liquid ink using the silicone compound, and method of manufacturing the ink |
| CN113350314A (zh) * | 2021-06-25 | 2021-09-07 | 项斌 | 一种缓释药物的制备方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479194A (en) * | 1987-09-21 | 1989-03-24 | Katakura Chikkarin Co Ltd | Novel reducing chitosan oligosaccharide and production thereof |
| JP2005289852A (ja) * | 2004-03-31 | 2005-10-20 | Shigeo Okahata | 医療用材料および/または歯科用材料と、その製造方法。 |
| WO2008038721A1 (en) * | 2006-09-29 | 2008-04-03 | Toray Industries, Inc. | Ocular lens |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479194A (en) * | 1987-09-21 | 1989-03-24 | Katakura Chikkarin Co Ltd | Novel reducing chitosan oligosaccharide and production thereof |
| JP2005289852A (ja) * | 2004-03-31 | 2005-10-20 | Shigeo Okahata | 医療用材料および/または歯科用材料と、その製造方法。 |
| WO2008038721A1 (en) * | 2006-09-29 | 2008-04-03 | Toray Industries, Inc. | Ocular lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2520579A3 (en) * | 2011-05-02 | 2013-02-27 | Ricoh Company, Ltd. | A silicone compound, photocurable liquid ink using the silicone compound, and method of manufacturing the ink |
| US8871861B2 (en) | 2011-05-02 | 2014-10-28 | Ricoh Company, Ltd. | Silicone compound, photocurable liquid ink using the silicone compound, and method of manufacturing the ink |
| CN113350314A (zh) * | 2021-06-25 | 2021-09-07 | 项斌 | 一种缓释药物的制备方法 |
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