KR100246016B1 - 안과용 합성 점탄성 물질 - Google Patents
안과용 합성 점탄성 물질 Download PDFInfo
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- KR100246016B1 KR100246016B1 KR1019950704761A KR19950704761A KR100246016B1 KR 100246016 B1 KR100246016 B1 KR 100246016B1 KR 1019950704761 A KR1019950704761 A KR 1019950704761A KR 19950704761 A KR19950704761 A KR 19950704761A KR 100246016 B1 KR100246016 B1 KR 100246016B1
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- hydroxypropylmethylcellulose
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/02—Inorganic compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0048—Eye, e.g. artificial tears
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/08—Solutions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ophthalmology & Optometry (AREA)
- Polymers & Plastics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Materials For Medical Uses (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims (31)
- 생리적 염 용액 중의 히드록시프로필메틸셀롤로오스 용액을 함유하는 조성물에 있어서, 직경이 25㎛ 보다 큰 입자 물질 및 겔이 없는 히드록시프로필메틸셀룰로오스로 이루어지며, 상기 용액의 치료적 유효량이 인체에 주입되는 경우, 무전단 점성이 15,000 cps 이상이고, 평균 분자량이 250,000 달톤 이상이고, 발열 물질을 함유하지 않으며, 독성이 없는 것을 특징으로 하는 생리학적 용도의 점탄성 용액 조성물.
- 제1항에 있어서, 상기 용액의 치료학적 유효량을 인체 안내 (眼內)에 주입하는 경우에, 상기 조성물이 발열 물질이 없고, 비독성인 점탄성 용액 조성물.
- 제1항에 있어서, 히드록시프로필메틸셀룰로오스가 약 2.0% 내지 약 2.5%의 농도로 존재하는 점탄성 용액 조성물.
- 제2항에 있어서, 용액의 점성이 약 25,000 센티포아즈 내지 약 40,000 센티포아즈인 점탄성 용액 조성물.
- 제2항에 있어서, 히드록시프로필메틸셀룰로오스의 평균 분자량이 대략 375,000보다 크지만 420,000 미만인 점탄성 용액 조성물.
- 제2항에 있어서, 평균 분자량이 약 85,000 달톤인 제1히드록시프로필메틸셀룰로오스와 평균 분자량이 약 220,000 달톤인 제2히드록시프로필메틸셀룰로오스의 혼합물을 입자형 물질 및 발열 물질을 함유하지 않는 비독성 용액이 제조되도록 가공 처리함으로써 제조되는 점탄성 용액 조성물.
- 제6항에 있어서, 혼합물이 저분자량 물질의 여과, 재용해 및 제거, 중간 단계 오토클레이빙 및 용존 가스의 제거에 의해 가공 처리되는 점탄성 용액 조성물.
- 제7항에 있어서, 가공후의 점탄성 용액 중의 히드록시프로필메틸셀룰로오스가 제1히드록시프로필메틸셀룰로오스 또는 제2히드록시프로필메틸셀룰로오스의 평균 분자량보다 큰 평균 분자량을 갖는 점탄성 용액 조성물.
- 제8항에 있어서, 가공 후의 히드록시프로필메틸셀룰로오스의 평균 분자량이 375,000보다 크지만 420,000 미만인 점탄성 용액 조성물.
- 제6항에 있어서, 약 2.3%의 히드록시프로필메틸셀룰로오스 농도를 갖는 점탄성 용액 조성물.
- 제5항에 있어서, 히드록시프로필메틸셀룰로오스가 약 410,000의 평균 분자량을 갖는 점탄성 용액 조성물.
- a) 염 용액 중에 히드록시프로필메틸셀룰로오스를 분산시켜 현탄액을 만드는 단계, b) 단계 a)의 현탁액을 약 95℃로 가열하여 모든 불용 물질을 침전시키고, 불용 물질 위의 상층액을 제거하는 단계, c) 불용 물질을 재현탁시켜 히드록시프로필메틸셀룰로오스의 제2현탁액을 만들고, 제2현탁액을 가열하여 농후한 겔을 형성하는 단계, d) 25㎛ 이하의 공극을 갖는 필터를 포함하는 여러개의 필터를 통해 겔을 여과하여 투명한 용액을 만드는 단계, e) 투명한 용액을 오토클레이빙하는 단계, f) 오토클레이빙된 순수 용액을 냉각시키고, 냉각된 용액을 여과시키는 단계, 및 g) 여과된 냉각 용액을 탈기시키는 단계로 이루어지는, 치료적 유효량이 인체에 주입되는 경우에, 유해한 입자 물질이 거의 없고, 발열 물질을 함유하지 않으며, 독성이 없는, 생리적 염 용액 중에 용해된 히드록시프로필메틸셀룰로오스의 점탄성 용액 조성물의 제조방법.
- 제12항에 있어서, 생리적 염 용액이 약 8.7의 pH를 갖고, NaCl, KCl, CaCl2·2H2O, MgCl·6H2O, NaC2H3O2·3H2O· 및 Na3C6HO7·2H2O을 함유하는 방법.
- 제12항에 있어서, 염 수용액 중에 분산된 히드록시프로필메틸셀룰로오스가 평균 분자량이 약 85,000 달톤인 제1 히드록시프로필메틸셀루로오스와 평균 분자량이 약 220,000 달톤인 제2히드록시프로필메틸셀룰로오스의 혼합물인 방법.
- 제14항에 있어서, 현탁액 중의 히드록시프로필메틸셀룰로오스가 약 3 중량%인 방법.
- 제12항에 있어서, 탈기된 용액 중의 히드록시프로필메틸셀룰로오스의 농도가 약 2.0% 내지 약 2.5%인 방법.
- 제12항에 있어서, 탈기된 용액 중의 히드록시프로필메틸셀룰로오스의 농도가 약 2.3%인 방법.
- 제12항에 있어서, 탈기된 용액의 점도가 약 15,000 센티포아즈 이상인 방법.
- 제12항에 있어서, 탈기된 용액의 점도가 약 40,000 센티포아즈인 방법.
- 제12항에 있어서, 탈기된 용액 중의 히드록시프로필메틸셀룰로오스의 분자량이 약 375,000보다 크지만 약 420,000 미만인 방법.
- 제12항에 있어서, 탈기된 용액 중의 히드록시프로필메틸셀룰로오스의 분자량이 약 410,000인 방법.
- 생리적 염 용액 중에 용해된, 약 375,000보다 크지만 약 420,000 미만의 평균 분자량을 갖고 약 2.0% 내지 약 2.5%의 농도로 존재하는 히드록시프로필메틸셀룰로오스를 함유하고, 약 25,000 센티포아즈 내지 약 40,000 센티포아즈의 점도를 가지며, 직경 0.5㎛보다 큰 입자형 물질 및 겔, 및 발열 물질을 함유하지 않고, 독성이 없는 인체 안내 주입용 점탄성 조성물.
- 제22항에 있어서, 히드록시프로필메틸셀룰로오스의 농도가 약 2.3%이고, 히드록시프로필메틸셀룰로오스의 평균 분자량이 약 409,800이며, 조성물의 무전단 점도가 약 40,000 센티포아즈인 점탄성 조성물.
- 제1항에 있어서, 실질적으로 직경이 10㎛보다 큰 입자 물질이 없는 히드록시프로필메틸셀룰로오스로 이루어지는 점탄성 용액 조성물.
- 제1항에 있어서, 실질적으로 직영이 5㎛보다 큰 입자 물질이 없는 히드록시프로필메틸셀룰로오스로 이루어지는 점탄성 용액 조성물.
- 제1항에 있어서, 실질적으로 직경이 1㎛보다 큰 입자 물질이 없는 히드록시프로필메틸셀룰로오스로 이루어지는 점탄성 용액 조성물.
- 제1항에 있어서, 실질적으로 직경이 0.5㎛보다 큰 입자 물질이 없는 히드록시프로필메틸셀룰로오스로 이루어지는 점탄성 용액 조성물.
- 제12항에 있어서, 단계 d)에서 10㎛ 이하의 공극을 갖는 필터가 사용되는 것을 특징으로 하는 점탄성 용액 조성물의 제조방법.
- 제12항에 있어서, 단계 d)에서 5㎛ 이하의 공극을 갖는 필터가 사용되는 것을 특징으로 하는 점탄성 용액 조성물의 제조방법.
- 제12항에 있어서, 단계 d)에서 1㎛ 이하의 공극을 갖는 필터가 사용되는 것을 특징으로 하는 점탄성 용액 조성물의 제조방법.
- 제12항에 있어서, 단계 d)에서 0.5㎛ 이하의 공극을 갖는 필터가 사용되는 것을 특징으로 하는 점탄성 용액 조성물의 제조방법.
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US5582293A | 1993-04-30 | 1993-04-30 | |
US8/055822 | 1993-04-30 | ||
PCT/US1994/003749 WO1994025004A1 (en) | 1993-04-30 | 1994-04-06 | Synthetic viscoelastic material for ophthalmic applications |
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KR100246016B1 true KR100246016B1 (ko) | 2000-04-01 |
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US (2) | US5422376A (ko) |
EP (1) | EP0732913B1 (ko) |
JP (1) | JP2976350B2 (ko) |
KR (1) | KR100246016B1 (ko) |
AT (1) | ATE233083T1 (ko) |
AU (1) | AU681146B2 (ko) |
CA (1) | CA2161774C (ko) |
DE (1) | DE69432188T2 (ko) |
DK (1) | DK0732913T3 (ko) |
ES (1) | ES2192560T3 (ko) |
RU (1) | RU2145882C1 (ko) |
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US5931165A (en) * | 1994-09-06 | 1999-08-03 | Fusion Medical Technologies, Inc. | Films having improved characteristics and methods for their preparation and use |
US5791352A (en) * | 1996-06-19 | 1998-08-11 | Fusion Medical Technologies, Inc. | Methods and compositions for inhibiting tissue adhesion |
US20030086899A1 (en) * | 2000-03-14 | 2003-05-08 | Jafari Masoud R. | Chondroitin sulfate containing viscoelastics for use in treating joints |
DE60142031D1 (de) | 2000-03-14 | 2010-06-17 | Alcon Inc | Viskoelastische substanzen zur verwendung bei mittelohr operationen |
RU2200519C2 (ru) * | 2000-05-15 | 2003-03-20 | Ченчик Александр Дмитриевич | Способ газовой тампонады при проведении офтальмологических полостных операций |
WO2002022139A1 (en) * | 2000-09-14 | 2002-03-21 | Robert Theiler | Intraarticular agent for the treatment of osteoarthritis |
CA2428066A1 (en) * | 2000-11-06 | 2002-05-10 | Kwan Y. Chan | Non-aspirating transitional viscoelastics for use in surgery |
US6756363B1 (en) * | 2000-11-17 | 2004-06-29 | Wound Healing Of Oklahoma, Inc. | Solutions and films of glycated chitosan |
JP4169596B2 (ja) * | 2000-12-20 | 2008-10-22 | アルコン、インコーポレイテッド | 白内障を液化破壊により取り除くための溶液 |
WO2003011257A1 (en) * | 2001-08-01 | 2003-02-13 | Jasjit Singh | Composition and process the manufacture of soluble containers with improved gel-strength |
US20040101561A1 (en) * | 2002-11-13 | 2004-05-27 | Jafari Masoud R. | Combinations of viscoelastics for use during surgery |
US7820194B2 (en) | 2001-12-21 | 2010-10-26 | Alcon, Inc. | Combinations of viscoelastics for use during surgery |
US20120283232A9 (en) * | 2003-11-12 | 2012-11-08 | Zhengjun Wang | Process for making a pharmaceutical composition |
US20050215515A1 (en) * | 2004-03-29 | 2005-09-29 | Claudio Bucolo | Viscoelastic composition, method of use and package |
US20060159651A1 (en) * | 2005-01-14 | 2006-07-20 | Michael Colvard | Gradient molecular weight viscoelastic solutions |
RU2310327C1 (ru) * | 2006-03-24 | 2007-11-20 | Владимир Николаевич Канюков | Способ консервации донорских тканей для офтальмохирургии |
RU2600863C2 (ru) * | 2007-12-10 | 2016-10-27 | Сентисс Фарма Прайвит Лимитед | Офтальмическая композиция, включающая фенилэфрин |
DE102009037514A1 (de) | 2009-08-17 | 2011-03-10 | Dirk-Henning Dr. Menz | Wasserlösliche Polysaccharidether und ihre Verwendung |
US8845624B2 (en) * | 2010-06-25 | 2014-09-30 | Alcon LexSx, Inc. | Adaptive patient interface |
EP2922919B1 (en) | 2012-11-21 | 2020-03-25 | University Of Louisville Research Foundation, Inc. | Compositions and methods for reducing oxidative damage |
EP2934484A1 (en) * | 2012-12-19 | 2015-10-28 | Kashiv Pharma, LLC | Supersaturated stabilized nanoparticles for poorly soluble drugs |
DE102014103512A1 (de) | 2014-03-14 | 2015-09-17 | Carl Zeiss Meditec Ag | Injektor zur Injektion eines Operations-Hilfsfluids in ein Auge sowie Verfahren zum Erzeugen eines Operations-Hilfsfluids |
CA3014030C (en) | 2015-02-09 | 2023-10-03 | Ori Braun | Ophthalmic compositions and methods for reducing oxidative damage to an eye lens |
WO2022172089A1 (en) * | 2021-02-12 | 2022-08-18 | I Optima Ltd. | Compound, method and system for ophthalmic surgery |
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NL188266C (nl) * | 1975-07-29 | 1992-05-18 | Merck & Co Inc | Werkwijze ter bereiding van een oogheelkundig inplantaat. |
DE3416777C2 (de) * | 1984-05-07 | 1986-11-20 | Gödecke AG, 1000 Berlin | Pharmazeutische topische Zubereitungen |
JPS62122671A (ja) * | 1985-11-23 | 1987-06-03 | 千寿製薬株式会社 | 眼内手術用高粘性液の製造法 |
JPH0657245B2 (ja) * | 1986-05-14 | 1994-08-03 | ト−メ−産業株式会社 | 眼科手術用粘弾性溶液 |
US4819617A (en) * | 1986-09-04 | 1989-04-11 | University Of Florida | Viscoelastic material for ophthalmic surgery |
CA1317226C (en) * | 1987-05-04 | 1993-05-04 | Phillip E. Pennell | Viscoelastic fluid for ophthalmic surgery and method of using same |
US4853374A (en) * | 1987-06-09 | 1989-08-01 | M.D.R. Group, Inc. | Viscoelastic vitreous substitute with UV blocker |
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US5218107A (en) * | 1991-12-30 | 1993-06-08 | The Dow Chemical Company | Removal of undesirable material from water-soluble cellulose ether aqueous solutions |
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1994
- 1994-04-06 KR KR1019950704761A patent/KR100246016B1/ko not_active Expired - Lifetime
- 1994-04-06 AT AT94928700T patent/ATE233083T1/de not_active IP Right Cessation
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- 1994-04-06 CA CA002161774A patent/CA2161774C/en not_active Expired - Lifetime
- 1994-04-06 RU RU95122658A patent/RU2145882C1/ru active
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Also Published As
Publication number | Publication date |
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EP0732913A1 (en) | 1996-09-25 |
EP0732913B1 (en) | 2003-02-26 |
ES2192560T3 (es) | 2003-10-16 |
DE69432188T2 (de) | 2004-01-22 |
CA2161774C (en) | 2000-01-04 |
HK1019005A1 (en) | 2000-01-14 |
AU681146B2 (en) | 1997-08-21 |
US5422376A (en) | 1995-06-06 |
RU2145882C1 (ru) | 2000-02-27 |
USRE42243E1 (en) | 2011-03-22 |
WO1994025004A1 (en) | 1994-11-10 |
ATE233083T1 (de) | 2003-03-15 |
CA2161774A1 (en) | 1994-11-10 |
DE69432188D1 (de) | 2003-04-03 |
DK0732913T3 (da) | 2003-06-16 |
JPH09507469A (ja) | 1997-07-29 |
JP2976350B2 (ja) | 1999-11-10 |
AU6700894A (en) | 1994-11-21 |
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