KR101610268B1 - 외과용 하이드로겔 - Google Patents
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- KR101610268B1 KR101610268B1 KR1020107006766A KR20107006766A KR101610268B1 KR 101610268 B1 KR101610268 B1 KR 101610268B1 KR 1020107006766 A KR1020107006766 A KR 1020107006766A KR 20107006766 A KR20107006766 A KR 20107006766A KR 101610268 B1 KR101610268 B1 KR 101610268B1
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- Prior art keywords
- hydrogel
- polymer
- aqueous solution
- aldehyde
- derivatized
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Abstract
Description
도 2는 코의 측벽 상의 유착의 평균 등급을 나타내는 그래프이다.
도 3은 사골(篩骨, ethmoid) 유착이 있는 각 군에서의 양의 백분율을 나타내는 그래프이다 (실시예 6).
도 4는 대조군과 비교한 모든 처리군에 대한 평균 사골 유착 등급을 나타내는 그래프이다 (실시예 6).
도 5는 시간 경과에 따라, 광학 현미경으로 상피 길이를 비교한 것을 나타내는 그래프이다 (실시예 6).
도 6은 광학 현미경으로 비교한 재상피형성 (re-epithelialisation) %를 나타내는 그래프이다 (실시예 6).
도 7은 주사 전자 현미경으로 비교한 재섬모형성 (re-ciliated)된 표면적 %를 나타내는 그래프이다 (실시예 6).
도 8은 주사 전자 현미경으로 비교한 섬모 등급을 나타내는 그래프이다 (실시예 6).
도 9는 각 군에 대한 평균 섬모 비트 빈도 (mean cilliary beat frequency, CBF)를 나타내는 그래프이다 (실시예 6).
도 10은 보에자르트 등급 (Boezaart grading scale)을 사용하여 활성 제제를 투약한 군 대 위약군의 수술 부위 등급 점수를 나타내는 그래프이다 (실시예 7).
도 11은 워말드 등급 (Wormald grading scale)을 사용하여 활성 제제를 투약한 군 대 위약군의 수술 부위 등급 접수를 나타내는 그래프이다 (실시예 7).
도 12는 워말드 등급을 사용하여 활성 제제를 투약한 군 대 대조군의 수술 부위 등급 점수를 나타내는 그래프이다 (실시예 8).
도 13은 활성 제제를 투약한 군 대 대조군에 대한 완전한 지혈에 걸리는 시간을 나타내는 그래프이다 (실시예 8).
도 14는 활성 제제를 투약한 군 대 대조군의 시간 경과에 따른 크러스트 (crust)를 비교하는 그래프이다 (실시예 8).
온도 | 아세틸기 몰% |
숙시닐기 몰% |
자유 아민기 몰% | 겔화 시간 (초) |
염기 처리 하지 않음 | 16 | 93 | 0 | - |
35℃ | 15 | 91 | 미량 | - |
55℃ | 11 | 81 | 12 | 35 |
65℃ | 5 | 75 | 22 | 5 |
페리오데이트 몰% (2시간, 실온) |
덱스트란 분자량 (Mn) |
알데하이드기 몰% |
겔화 시간 (초) |
0 | 95,500 | 0 | - |
26 | 20,270 | 32 | 220 |
52 | 14,059 | 75 | 70 |
78 | 10,010 | 118 | 45 |
105 | 3700 | 165 | 35 |
1등급 | 중간 비갑개(鼻甲介, turbinate) 길이의 25% 미만 |
2등급 | 중간 비갑개 길이의 25 내지 50% |
3등급 | 중간 비갑개 길이의 50% 이상 |
등급 | SEM 상의 외관 |
I급 | 정상적인 방향으로 정상적인 섬모 |
II급 | 섬모화된 상피가 있지만 방향이 잘못됨 |
III급 | 섬모가 뭉쳐있고 섬모가 재생 |
IV급 | 확인 가능한 섬모가 없음 |
V급 | 상피를 덮고 있는 크러스트 또는 혈병 |
시간 (분) |
보에자르트 출혈 점수 | 워말드 출혈 점수 | ||||
위약군 |
활성 제제를 투약한 군 |
p 값 |
위약군 |
활성 제제를 투약한 군 |
p 값 |
|
기준 | 2.33 | 2.17 | 0.71 | 4.17 | 4 | 0.71 |
2 | 1.83 | 0.83 | 0.096 | 3.67 | 1.17 | 0.093 |
4 | 1.83 | 0.67 | *0.037 | 3.5 | 1 | 0.058 |
6 | 1.83 | 0.33 | *0.041 | 3.17 | 0.67 | 0.041 |
8 | 1.67 | 0.33 | *0.039 | 2.67 | 0.5 | 0.039 |
10 | 1.67 | 0.33 | *0.039 | 2.5 | 0.5 | 0.041 |
등급 | 평가 |
0 | 출혈 없음 (cadaveric condition) |
1 | 약한 출혈 - 석션 필요 없음 |
2 | 약한 출혈 - 간헐적 석션 필요함 |
3 | 약한 출혈 - 빈번한 석션 필요함 석션이 제거된 후 수초 내에 출혈이 수술 부위를 덮침 |
4 | 중간 출혈 - 빈번한 석션이 필요함 석션이 제거된 후 바로 출혈이 수술 부위를 덮침 |
5 | 심한 출혈 - 지속적인 석션이 필요함 출혈은 석션에 의하여 제거되는 것보다 더 빠름 수술 부위가 심각하게 위협받고 보통 수술이 가능하지 않음 |
등급 | 평가 |
0 | 사골 표면 간에 크러스트/겔 부존재 |
1 | 크러스트/겔에 의하여 사골 복합체 표면적 50% 이하가 덮힘 |
2 | 크러스트/겔에 의하여 사골 복합체 표면적 50% 이상이 덮힘 |
Claims (45)
- 알데하이드 유도체화 덱스트란 중합체에 가교 결합된 N-숙시닐 키토산을 포함하는 중합체 망상 구조체로서, 상기 덱스트란 중합체는 인접한 2차 알콜기가 산화되어 반응성 비스알데하이드 작용기를 생성하는 덱스트란 중합체인 것인 중합체 망상 구조체.
- 삭제
- 제1항에 있어서, 상기 중합체 망상 구조체는 수용액 내에서 N-숙시닐 키토산과 알데하이드 유도체화 덱스트란 중합체를 혼합한 후 1초 내지 5분 내에 하이드로겔을 형성하는 것인 중합체 망상 구조체.
- 청구항 4은(는) 설정등록료 납부시 포기되었습니다.제3항에 있어서, 상기 중합체 망상 구조체는 수용액 내에서 N-숙시닐 키토산과 알데하이드 유도체화 덱스트란 중합체를 혼합한 후 1초 내지 30초 내에 하이드로겔을 형성하는 것인 중합체 망상 구조체.
- 삭제
- 수용액 중에 N-숙시닐 키토산 및 알데하이드 유도체화 덱스트란 중합체를 포함하는 상처 치유용 조성물로서, 상기 덱스트란 중합체는 인접한 2차 알콜기가 산화되어 반응성 비스알데하이드 작용기를 생성하는 덱스트란 중합체인 것인 상처 치유용 조성물.
- 제6항에 있어서, 상기 조성물은 N-숙시닐 키토산 2% 내지 10% w/v 및 알데하이드 유도체화 덱스트란 중합체 2% 내지 10% w/v를 포함하는 것인 상처 치유용 조성물.
- 삭제
- 수용액 중에 알데하이드 유도체화 덱스트란 중합체에 가교 결합된 N-숙시닐 키토산을 포함하는 하이드로겔로서, 상기 덱스트란 중합체는 인접한 2차 알콜기가 산화되어 반응성 비스알데하이드 작용기를 생성하는 덱스트란 중합체인 것인 하이드로겔.
- 제9항에 있어서, 상기 하이드로겔은 N-숙시닐 키토산 2% 내지 10% w/v 및 알데하이드 유도체화 덱스트란 중합체 2% 내지 10% w/v를 포함하는 것인 하이드로겔.
- 청구항 11은(는) 설정등록료 납부시 포기되었습니다.제10항에 있어서, 상기 하이드로겔은 N-숙시닐 키토산 2% 내지 8% w/v 및 알데하이드 유도체화 덱스트란 중합체 2% 내지 8% w/v를 포함하는 것인 하이드로겔.
- 청구항 12은(는) 설정등록료 납부시 포기되었습니다.제10항에 있어서, 상기 하이드로겔은 N-숙시닐 키토산 5% w/v 및 알데하이드 유도체화 덱스트란 중합체 5% w/v를 포함하는 것인 하이드로겔.
- 삭제
- 알데하이드 유도체화 덱스트란 중합체에 가교 결합된 N-숙시닐 키토산을 포함하는 중합체 망상 구조체의 제조 방법로서, 상기 방법은 N-숙시닐 키토산 수용액을 알데하이드 유도체화 덱스트란 중합체 수용액과 혼합하는 단계를 포함하며, 상기 덱스트란 중합체는 인접한 2차 알콜기가 산화되어 반응성 비스알데하이드 작용기를 생성하는 덱스트란 중합체인 것인 제조 방법.
- 제14항에 있어서, 상기 N-숙시닐 키토산 수용액은 2% 내지 10% w/v이고, 상기 알데하이드 유도체화 덱스트란 중합체 수용액은 2% 내지 10 % w/v인 것인 방법.
- 청구항 16은(는) 설정등록료 납부시 포기되었습니다.제14항에 있어서, 상기 N-숙시닐 키토산 수용액 수용액은 5% w/v이고, 상기 알데하이드 유도체화 덱스트란 중합체 수용액은 5% w/v인 것인 방법.
- 제14항 내지 제16항 중 어느 하나의 항에 있어서, 상기 방법은 동일한 부피의 N-숙시닐 키토산 수용액 및 알데하이드 유도체화 덱스트란 중합체 수용액을 혼합하는 단계를 포함하는 것인 방법.
- 제14항 내지 제16항 중 어느 하나의 항에 있어서, 각 수용액의 pH는 6 내지 8인 것인 방법.
- 청구항 19은(는) 설정등록료 납부시 포기되었습니다.제18항에 있어서, 상기 각 수용액의 pH는 6.5 내지 7.5인 것인 방법.
- 삭제
- 알데하이드 유도체화 덱스트란 중합체에 가교 결합된 N-숙시닐 키토산을 포함하는 하이드로겔로서, 상기 하이드로겔은 1종 이상의 생물학적 활성 제제를 포함하고, 상기 덱스트란 중합체는 인접한 2차 알콜기가 산화되어 반응성 비스알데하이드 작용기를 생성하는 덱스트란 중합체인 것인 하이드로겔.
- 제21항에 있어서, 상기 1종 이상의 생물학적 활성 제제는 원형질 단백질, 호르몬, 효소, 항생제, 항패혈증제, 항종양제, 항진균제, 항바이러스제, 항염증제, 성장 인자, 스테로이드, 세포 부유물, 사이토톡신 및 세포 증식 억제제를 포함하는 군으로부터 선택되는 것인 하이드로겔.
- 제9항에 있어서, 상기 하이드로겔은 유착이 형성되기 쉬운 조직의 유착을 예방 또는 감소하기 위해 사용되는 것인 하이드로겔.
- 청구항 24은(는) 설정등록료 납부시 포기되었습니다.제23항에 있어서, 상기 유착은 수술 후 유착인 것인 하이드로겔.
- 제9항에 있어서, 상기 하이드로겔은 상처 치유를 가속 또는 촉진하기 위해 사용되는 것인 하이드로겔.
- 제9항에 있어서, 상기 하이드로겔은 상처의 출혈을 감소 또는 중지시키기 위해되는 것인 하이드로겔.
- 청구항 27은(는) 설정등록료 납부시 포기되었습니다.제25항 또는 제26항에 있어서, 상기 상처는 수술로 인한 상처인 것인 하이드로겔.
- 제23항 내지 제26항 중 어느 하나의 항에 있어서, 상기 하이드로겔은 조직 또는 상처 표면에 하이드로겔층으로서 도포되는 것인 하이드로겔.
- 제9항에 있어서, 상기 하이드로겔은 유착이 형성되기 쉬운 조직의 유착을 예방 또는 방지하기 위해 사용되며, 상기 하이드로겔은 (a) N-숙시닐 키토산 수용액 및 (b) 알데하이드 유도체화 덱스트란 중합체 수용액을 조직에 적용함으로써 상기 (a) 및 (b)가 혼합되어 조직 표면에 하이드로겔이 현장에서 형성되는 것인 하이드로겔.
- 제9항에 있어서, 상기 하이드로겔은 상처 치유를 가속 또는 촉진하기 위해 사용되며, 상기 하이드로겔은, (a) N-숙시닐 키토산 수용액 및 (b) 알데하이드 유도체화된 덱스트란 수용액을 상처에 적용함으로써 상기 (a) 및 (b)가 혼합되어 상처 표면에 하이드로겔이 현장에서 형성되는 것인 하이드로겔.
- 제9항에 있어서, 상기 하이드로겔은 상처의 출혈을 감소 또는 중지시키기 위해 사용되며, 상기 하이드로겔은, (a) N-숙시닐 키토산 수용액 및 (b) 알데하이드 유도체화된 덱스트란 수용액을 상처에 적용함으로써 상기 (a) 및 (b)가 혼합되어 상처 표면에 하이드로겔이 현장에서 형성되는 것인 하이드로겔.
- 청구항 32은(는) 설정등록료 납부시 포기되었습니다.제29항 내지 제31항 중 어느 하나의 항에 있어서, 상기 (a) 및 (b)는 상처 또는 조직에 동시에 분무되는 것인 하이드로겔.
- 청구항 33은(는) 설정등록료 납부시 포기되었습니다.제29항 내지 제31항 중 어느 하나의 항에 있어서, 상기 (a) 및 (b)는 상처 또는 조직에 동시에 분사되는 것인 하이드로겔.
- 청구항 34은(는) 설정등록료 납부시 포기되었습니다.제29항 내지 제31항 중 어느 하나의 항에 있어서, 상기 (a) 및 (b)는 상처 또는 조직에 동시에 주가(注加)되는 것인 하이드로겔.
- 청구항 35은(는) 설정등록료 납부시 포기되었습니다.제29항 내지 제31항 중 어느 하나의 항에 있어서, 상기 하이드로겔은 (a) 및 (b)를 혼합한 후 1초 내지 5분 내에 형성되는 것인 하이드로겔.
- 청구항 36은(는) 설정등록료 납부시 포기되었습니다.제35항에 있어서, 상기 하이드로겔은 (a) 및 (b)를 혼합한 후 1초 내지 30초 내에 형성되는 것인 하이드로겔.
- 삭제
- 제9항 내지 제12항 중 어느 하나의 항에 기재된 하이드로겔을 방출할 수 있는 상처용 드레싱.
- (a) N-숙시닐 키토산 및
(b) 알데하이드 유도체화 덱스트란 중합체
를 포함하는 키트로서, 상기 덱스트란 중합체는 인접한 2차 알콜기가 산화되어 반응성 비스알데하이드 작용기를 생성하는 덱스트란 중합체인 것인 키트. - 청구항 40은(는) 설정등록료 납부시 포기되었습니다.제39항에 있어서, 상기 (a) 및 (b)는 동결 건조되는 것인 키트.
- 청구항 41은(는) 설정등록료 납부시 포기되었습니다.제39항에 있어서, 상기 (a) 및 (b) 중의 어느 하나, 또는 (a) 및 (b)의 양자는 별개의 수용액 형태로 제공되는 것인 키트.
- 청구항 42은(는) 설정등록료 납부시 포기되었습니다.제41항에 있어서, 상기 (a) 수용액은 2% 내지 10% w/v이고, 상기 (b) 수용액은 2% 내지 10% w/v인 것인 키트.
- 청구항 43은(는) 설정등록료 납부시 포기되었습니다.제41항에 있어서, 상기 수용액들은 NaCl을 0.1% 내지 2% w/v 포함하는 것인 키트.
- 청구항 44은(는) 설정등록료 납부시 포기되었습니다.제39항 또는 제40항에 있어서, 상기 (a) 및 (b)가 용해되어 가교 결합을 일으킬 수 있도록 하는 수용액을 더 포함하는 것인 키트로서, 상기 수용액은 물, 식염수 및 완충액으로 이루어지는 군으로부터 선택되는 것인 키트.
- 삭제
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- 2008-08-26 KR KR1020107006766A patent/KR101610268B1/ko active Active
- 2008-08-26 JP JP2010522848A patent/JP5489999B2/ja active Active
- 2008-08-26 NZ NZ583819A patent/NZ583819A/xx unknown
- 2008-08-26 CN CN200880108319A patent/CN101848739A/zh active Pending
- 2008-08-26 AU AU2008293135A patent/AU2008293135B2/en active Active
- 2008-08-26 CA CA2709546A patent/CA2709546C/en not_active Expired - Fee Related
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- 2008-08-26 DK DK08828839.4T patent/DK2195039T3/en active
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US10836872B2 (en) | 2016-08-11 | 2020-11-17 | The Catholic University Of Korea Industry-Academy Cooperation | Visible light-curable water-soluble chitosan derivative, chitosan hydrogel, and preparation method therefor |
WO2021091040A1 (ko) * | 2019-11-04 | 2021-05-14 | 주식회사 엔도비전 | 버섯 또는 진균 유래 키토산, 또는 그 유도체를 이용한 하이드로겔 및 그 제조방법 |
KR20220111569A (ko) | 2021-02-02 | 2022-08-09 | 코스맥스 주식회사 | 이온전도성 겔을 포함하는 복합재료 및 이의 용도 |
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KR20100093516A (ko) | 2010-08-25 |
CA2709546C (en) | 2017-09-26 |
AU2008293135B2 (en) | 2014-08-07 |
US20130244974A1 (en) | 2013-09-19 |
WO2009028965A1 (en) | 2009-03-05 |
NZ583819A (en) | 2012-08-31 |
CA2709546A1 (en) | 2009-03-05 |
CN101848739A (zh) | 2010-09-29 |
AU2008293135A1 (en) | 2009-03-05 |
US20100291055A1 (en) | 2010-11-18 |
EP2195039A1 (en) | 2010-06-16 |
ES2619181T3 (es) | 2017-06-23 |
JP5489999B2 (ja) | 2014-05-14 |
JP2010537711A (ja) | 2010-12-09 |
US8809301B2 (en) | 2014-08-19 |
CN104874007A (zh) | 2015-09-02 |
EP2195039A4 (en) | 2013-01-09 |
DK2195039T3 (en) | 2017-01-30 |
EP2195039B1 (en) | 2016-11-30 |
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