KR20130043156A - 미립자 클로로헥시딘을 함유하는 항균 실리콘계 상처 드레싱 - Google Patents
미립자 클로로헥시딘을 함유하는 항균 실리콘계 상처 드레싱 Download PDFInfo
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Abstract
Description
도 1은 본 발명의 한 실시태양에 따른 상처 드레싱으로부터 클로로헥시딘 염의 점진적 방출을 설명하는 선 그래프이다.
도 2는 본 발명의 한 실시태양에 따른 상처 드레싱으로부터 은 구성요소의 점진적 방출을 설명하는 선 그래프이다.
도 3a는 본 발명의 한 실시태양의 예시적 드레싱의 투명성을 도시하는 이미지이며, 드레싱은 카테터를 고정하는데 사용된다.
도 3b는 도 3a에 묘사된 드레싱의 개략적 도면이다.
미생물 |
공급처 |
항균 결과 | ||
3일 | 5일 | 7일 | ||
C. albicans | ATCC 10231 | 4.70±0.03 | 4.26±0.06 | 4.26±0.06 |
VRE | ATCC 51575 | 5.24±0.03 | 5.77±0.01 | 5.77±0.01 |
P. aeruginosa | ATCC 9027 | 3.80±0.02 | 4.79±0.01 | 4.79±0.01 |
MRSA | ATCC 33591 | 5.27±0.03 | 5.54±0.13 | 5.54±0.13 |
표피 포도상구균(S. epidermidis) | the Center for infection and Biomaterials Research at the Hospital for Sick Kids(Toronto, ON) 에서 얻은 임상 분리물 |
6.12±0.03 | 5.14±0.04 | 5.14±0.04 |
Claims (38)
- (a) 실리콘을 함유하는 액체, 상기 액체에 불용성인 클로로헥시딘 화합물 및 적어도 하나의 다른 항균제를 함께 혼합하여 혼합물을 형성하는 단계; 및
(b) 상기 혼합물을 주조하고 경화하여 투명하고 자가 접착성인 겔 시트를 형성하는 단계를 포함하는 드레싱을 제조하는 방법. - 제 1 항에 있어서,
상기 혼합 전에, 상기 클로로헥시딘 화합물은 상기 적어도 하나의 다른 항균제와 혼합되는 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 경화는 촉매의 존재하에서 수행되는 방법. - 제 3 항에 있어서,
상기 촉매는 백금인 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 혼합은 클로로헥시딘 다이글루코네이트 용액 및 광-안정화된 은 물질의 하나 또는 둘 다를 첨가하는 단계를 더 포함하는 방법. - 제 5 항에 있어서,
상기 클로로헥시딘 다이글루코네이트는 20% 용액으로 제공되는 방법. - 실리콘을 함유하는 액체로부터 경화된 투명하고 자가 접착성인 겔 시트를 포함하며, 시트는 그 안에 분산된 (i) 상기 액체에 불용성인 클로로헥시딘 화합물의 미립자; 및 (ii) 적어도 하나의 다른 항균제를 갖는 드레싱.
- 제 7 항에 있어서,
상기 클로로헥시딘 화합물은 클로로헥시딘, 클로로헥시딘 다이하이드로클로라이드, 클로로헥시딘 다이아세테이트 또는 이의 임의의 조합인 드레싱. - 제 8 항에 있어서,
상기 클로로헥시딘 화합물은 클로로헥시딘 다이아세테이트인 드레싱. - 제 7 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 적어도 하나의 다른 항균제는 클로로헥시딘 다이글루코네이트 및 광-안정화된 은 물질의 하나 또는 둘 다인 드레싱. - 제 10 항에 있어서,
상기 적어도 하나의 다른 항균제는 클로로헥시딘 다이글루코네이트인 드레싱. - 제 10 항에 있어서,
상기 적어도 하나의 다른 항균제는 상기 광-안정화된 은 물질인 드레싱. - 제 10 항 또는 제 12 항에 있어서,
상기 광-안정화된 은 물질은 은 나이트레이트, 은 아세테이트 또는 은 락테이트 또는 이의 임의의 조합인 드레싱. - 제 10 항, 제 12 항 또는 제 13 항에 있어서,
상기 광-안정화된 은 물질은 (i) 은과 착물을 형성하는 염기성 질소 원자를 함유하는 화합물 및 (ii) 염료에 의해 광 안정화되는 드레싱. - 제 14 항에 있어서,
상기 염기성 질소 원자를 함유하는 화합물은 암모니아, 트리스(하이드록시메틸)아미노메테인, D,L-피로글루탐산, 폴리에틸렌이민 및 아미노산의 하나 이상인 드레싱. - 제 15 항에 있어서,
상기 아미노산은 알라닌, 아르기닌, 아스파라긴, 시스테인, 글루타민, 글루타메이트, 글리신, 히스티딘, 아이소루신, 리신, 메티오닌, 페닐알라닌, 프롤린, 세린, 트레오닌, 트립토판, 티로신 또는 발린 또는 이의 임의의 조합인 드레싱. - 제 15 항에 있어서,
상기 염기성 질소 원자를 함유하는 화합물은 D,L-피로글루탐산인 드레싱. - 제 14 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 염료는 브릴리언트 그린, 말라카이트 그린, 메틸렌 블루, 에틸 바이올렛, 크리스탈 바이올렛, 빅토리아 블루 R, 빅토리아 블루 B 또는 빅토리아 퓨어 블루 BO 또는 이의 임의의 조합인 드레싱. - 제 18 항에 있어서,
상기 염료는 브릴리언트 그린인 드레싱. - 제 7 항에 있어서,
상기 드레싱은 클로로헥시딘 다이아세테이트 및 클로로헥시딘 다이글루코네이트를 포함하는 드레싱. - 제 7 항에 있어서,
상기 드레싱은 클로로헥시딘 다이아세테이트, 클로로헥시딘 다이글루코네이트 및 광-안정화된 은 물질을 포함하는 드레싱. - 제 7 항에 있어서,
상기 드레싱은 클로로헥시딘 다이아세테이트 및 광-안정화된 은 물질을 포함하는 드레싱. - 제 7 항 내지 제 22 항 중 어느 한 항에 있어서,
클로로헥시딘의 총량은 상기 드레싱의 5중량%까지의 양으로 존재하는 드레싱. - 제 23 항에 있어서,
상기 총량은 상기 드레싱의 약 2중량% 내지 5중량%인 드레싱. - 제 7 항 내지 제 24 항 중 어느 한 항에 있어서,
상기 드레싱은 I.V. 드레싱, 상처 드레싱, 상처 방벽(barrier), 스트립, 응급 밴드 또는 수술용 천으로 제공되는 드레싱. - 제 7 항 내지 제 25 항 중 어느 한 항에 있어서,
상기 드레싱은 약 5mm까지의 두께를 가지는 드레싱. - 제 7 항 내지 제 26 항 중 어느 한 항의 드레싱을 상기 상처 또는 절개 부위에 사용하는 단계를 포함하여, 상처 또는 절개 부위의 감염을 예방하는 방법.
- 제 27 항에 있어서,
상기 예방은 상처 또는 절개 부위의 박테리아 오염을 감소시키는 단계를 포함하는 방법. - 제 27 항 또는 제 28 항에 있어서,
상기 드레싱은 적어도 7일까지 상기 클로로헥시딘 화합물 및 상기 적어도 하나의 항균제를 방출하는 방법. - 제 7 항 내지 제 26 항 중 어느 한 항의 드레싱을 상기 상처 또는 절개 부위에 사용하는 단계를 포함하여, 상처 또는 절개 부위를 치료하는 방법.
- 제 30 항에 있어서,
드레싱은 I.V. 드레싱, 상처 드레싱, 상처 방벽(barrier), 스트립, 응급 밴드 또는 수술용 천으로 상기 상처 또는 절개 부위에 사용되는 방법. - 실리콘 겔 시트의 기질을 분해하는 단계;
높은 유전 상수를 가진 용매 또는 염기성 포화 알코올로 클로로헥시딘을 추출하는 단계; 및
클로로헥시딘 표준에 대해 상기 클로로헥시딘을 정량하는 단계를 포함하여, 실리콘 겔 시트에 포함된 클로로헥시딘을 정량하기 위한 방법. - 제 32 항에 있어서,
상기 분해는 낮은 유전 상수를 가진 유기 용매에 상기 실리콘 겔 시트를 적시고 교반하는 단계를 포함하며, 상기 유기 용매는 800-150:1(vol:wt) 또는 125-100:1(vol:wt)의 비율로 상기 실리콘 겔 시트에 첨가되는 방법. - 제 33 항에 있어서,
상기 낮은 유전 상수를 가진 유기 용매는 다이클로로메테인, 클로로폼, 사이클로펜테인, 테트라하이드로퓨란, 헥세인, 사이클로헥세인, 자일렌 또는 헵테인 또는 이의 임의의 조합인 방법. - 제 32 항 내지 제 34 항 중 어느 한 항에 있어서,
상기 높은 유전 상수를 가진 용매는 에탄올, 메탄올 또는 아이소프로필 알코올 또는 이의 임의의 조합인 방법. - 실리콘 겔 시트의 기질을 분해하는 단계;
수성 수산화암모늄 용액으로 은을 추출하는 단계; 및
은 표준에 대해 상기 은을 정량하는 단계를 포함하여 실리콘 겔 시트에 포함된 은을 정량하기 위한 방법. - 제 36 항에 있어서,
상기 분해는 낮은 유전 상수를 가진 유기 용매에 상기 실리콘 겔 시트를 적시고 교반하고 뒤이어 염기성 포화 알코올에서 교반하는 단계를 포함하며, 상기 유기 용매는 100-20:1(vol:wt) 또는 80-60:1(vol:wt)의 비율로 상기 실리콘 겔 시트에 첨가되는 방법. - 제 36 항 또는 제 37 항에 있어서,
상기 낮은 유전 상수를 가진 유기 용매는 다이클로로메테인, 클로로폼, 사이클로펜테인, 테트라하이드로퓨란, 헥세인, 사이클로헥세인, 자일렌 또는 헵테인 또는 이의 임의의 조합인 방법.
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