KR100612374B1 - 수분 방출 방지층을 함유한 상처 치료용 수화겔 및 그제조 방법 - Google Patents
수분 방출 방지층을 함유한 상처 치료용 수화겔 및 그제조 방법 Download PDFInfo
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- KR100612374B1 KR100612374B1 KR1020040064214A KR20040064214A KR100612374B1 KR 100612374 B1 KR100612374 B1 KR 100612374B1 KR 1020040064214 A KR1020040064214 A KR 1020040064214A KR 20040064214 A KR20040064214 A KR 20040064214A KR 100612374 B1 KR100612374 B1 KR 100612374B1
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- hydrogel
- film
- carrageenan
- aqueous solution
- wound treatment
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
- A61K41/10—Inactivation or decontamination of a medicinal preparation prior to administration to an animal or a person
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- 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
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
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- 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
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- A—HUMAN NECESSITIES
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- Chemical & Material Sciences (AREA)
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- Medicinal Preparation (AREA)
Abstract
Description
1 | 2 | 3 | |
너 비 | 2 mm | 2 mm | 2 mm |
간 격 | 2 mm | 2 mm | 10 mm |
줄간격 | 8 mm | 16 mm | 16 mm |
실시예 1 | 실시예 2 | 실시예 4 | 실시예 6 | 실시예 8 | |
겔강도 (g·cm) | 80 | 430 | 310 | 540 | 380 |
Claims (12)
- 폴리비닐피롤리돈 및 카라기난을 포함하는 생체적합성 고분자 수용액을 에틸렌 비닐아세테이트 공중합체(EVA), 에틸렌 비닐알코올 공중합체(EVOH), 극저밀도 폴리에틸렌(VLDPE) 필름 또는 폴리우레탄 막으로 구성된 수분 방출 방지층 상에 도포하여 형성된 상처 치료용 수화겔.
- 삭제
- 제 1 항에 있어서, 상기 생체 적합성 고분자 수용액이 폴리에틸렌글리콜을 더욱 포함함을 특징으로 하는 상처 치료용 수화겔.
- 제 1 항에 있어서, 상기 폴리비닐피롤리돈의 분자량이 200,000~1,300,000인 것임을 특징으로 하는 상처 치료용 수화겔.
- 제 3 항에 있어서, 상기 폴리에틸렌글리콜의 분자량이 200~600인 것임을 특징으로 하는 상처 치료용 수화겔.
- 제 1 항에 있어서, 상기 카라기난이 카파-카라기난인 것임을 특징으로 하는 상처 치료용 수화겔.
- 제 1 항에 있어서, 상기 수용액이 1~37 중량%의 폴리비닐피롤리돈 및 0.1~10 중량%의 카라기난의 생체적합성 고분자, 또는 상기 생체적합성 고분자와 1~10 중량%의 폴리에틸렌글리콜을 더욱 포함하는 것임을 특징으로 하는 상처 치료용 수화겔.
- 1) 폴리비닐피롤리돈 및 카라기난의 혼합물, 또는 상기 혼합물과 폴리에틸렌글리콜을 증류수에 넣고 가열 및 교반하여 수용액을 제조하는 단계 (단계 1);2) 에틸렌 비닐아세테이트 공중합체(EVA), 에틸렌 비닐알코올 공중합체(EVOH), 극저밀도 폴리에틸렌(VLDPE) 필름 또는 폴리우레탄 막을 트레이에 까는 단계 (단계 2);3) 단계 1의 수용액을 단계 2의 EVA, EVOH, VLDPE 필름 또는 폴리우레탄 막 상에 도포하고 상온에서 방치하여 예비 수화겔을 성형하는 단계 (단계 3);4) 단계 3의 예비 수화겔을 포장하는 단계 (단계 4); 및5) 단계 4의 포장된 겔을 방사선으로 조사시켜 가교하고 멸균하는 단계 (단계 5)로 이루어진 수분 방출 방지층을 함유한 상처치료용 수화겔의 제조 방법.
- 제 8 항에 있어서, 단계 2의 필름의 두께가 10~500 ㎛인 것임을 특징으로 하는 상처치료용 수화겔의 제조 방법.
- 제 8 항 또는 제 9 항에 있어서, 상기 필림에 공기 투과율을 높이기 위해 칼 자국이나 미세 기공을 형성함을 특징으로 하는 상처치료용 수화겔의 제조 방법.
- 제 8 항에 있어서, 상기 단계 5의 조사되는 방사선이 감마선 또는 전자선인 것을 특징으로 하는 상처 치료용 수화겔의 제조 방법.
- 제 8 항 또는 제 11 항에 있어서, 상기 방사선의 조사선량이 5~100 kGy인 것을 특징으로 하는 상처 치료용 수화겔의 제조 방법.
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Cited By (3)
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KR100760873B1 (ko) | 2005-11-02 | 2007-10-04 | 가부시키가이샤 메디테크 | 혈액확산기능 및 혈액흡수기능을 갖는 지혈용구 |
KR100808552B1 (ko) * | 2007-02-01 | 2008-02-29 | 한국원자력연구원 | 수분 증발 방지막이 함유된 아토피 피부염 치료용 수화겔 |
KR101364141B1 (ko) * | 2011-12-09 | 2014-02-20 | 한국수력원자력 주식회사 | 봉선화 추출물, 메트로니다졸 및 생체적합성 고분자를 함유하는 무좀 예방 또는 치료용 약학적 조성물 |
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EP1889608B1 (en) | 2006-08-09 | 2012-11-28 | Korea Atomic Energy Research Institute | Therapeutic hydrogel for atopic dermatitis and preparation method thereof |
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KR101364141B1 (ko) * | 2011-12-09 | 2014-02-20 | 한국수력원자력 주식회사 | 봉선화 추출물, 메트로니다졸 및 생체적합성 고분자를 함유하는 무좀 예방 또는 치료용 약학적 조성물 |
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