KR102521769B1 - 국소 지혈 파우더 조성물 및 이의 제조방법 - Google Patents
국소 지혈 파우더 조성물 및 이의 제조방법 Download PDFInfo
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- KR102521769B1 KR102521769B1 KR1020200089427A KR20200089427A KR102521769B1 KR 102521769 B1 KR102521769 B1 KR 102521769B1 KR 1020200089427 A KR1020200089427 A KR 1020200089427A KR 20200089427 A KR20200089427 A KR 20200089427A KR 102521769 B1 KR102521769 B1 KR 102521769B1
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Abstract
Description
도 2는 본 발명에 따른 실시예 1 및 비교예 1과 2에 따른 혈액 및 수분 흡수율 나타내는 것이다.
도 3은 본 발명에 따른 생분해성 고흡수성 폴리머(Bio-SAP)와 그 원재료의 IR값을 나타내는 것이다.
도 4는 본 발명에 따른 가교제의 농도에 따른 혈액 흡수량을 나타내는 것이다.
도 5는 본 발명에 따른 비교예 1 내지 4에 따른 수흡수량을 나타낸 결과이다.
도 6은 본 발명에 따른 비교예 1 내지 4에 따른 혈액흡수량을 나타낸 결과이다.
도 7은 본 발명에 따른 실시예 1 및 비교예 1 내지 3에 따른 SEM 사진을 나타낸 결과이다.
도 8은 본 발명에 따른 실시예 2의 TCP(Thiolated Chitosan Stearic Particle)의 TEM 사진을 나타낸 결과이다.
도 9는 본 발명에 따른 TCP의 TGA 농도에 따른 흡광도 및 티올(Thiol)기의 농도를 나타낸 결과이다.
도 10은 본 발명에 in vitro 지혈능 실험의 응고에 대한 사진이다.
도 11은 본 발명에 따른 실시예 1,2 및 4 및 비교예 1, 2 및 6에 따른 in vivo 지혈능 실험 사진을 나타낸 것이다.
도 12는 본 발명에 따른 실시예 1 내지 2 및 비교예 1에 따른 in vivo 지혈능 실험 사진을 나타낸 것이다.
도 13는 본 발명의 Bio-SAP 형성 과정을 나타낸 것이다.
도 14는 본 발명의 TCP 형성 메커니즘을 나타낸 것이다.
| 샘플무게 | 흡수량 | 흡수율1) | 흡수속도2) | |
| Bio-SAP(chitosan+starch)글루타르알데하이드(Glutaraldehyde) 1% | 0.5 | 8 | 1600 | 1 |
| Bio-SAP(chitosan+starch)글리옥살(Glyoxal) 1% | 0.5 | 6 | 1200 | 1 |
| Bio-SAP(chitosan+starch)시트르산 (Citric acid) 1% | 0.5 | 4 | 800 | 1 |
| 지혈 시간 | |
| 대조군 | 8분 35초 |
| 키토산 (chitosan) | 5분 10초 |
| Starch | 지혈 안됨 |
| Bio-SAP(chitosan+starch)글루타르알데하이드(Glutaraldehyde) 1% | 2분 54초 |
| Bio-SAP(chitosan+starch)글리옥살(Glyoxal) 1% | 3분 |
| Bio-SAP(chitosan+starch)시트르산 (Citric acid) 1% | 지혈 안됨 |
| 가교제 비율 | 샘플무게(g) | 흡수량(g) | 흡수율(%)1) | 흡수속도2) |
| 0.5 | 0.5 | 3 | 600 | 1 |
| 1 | 0.5 | 6 | 1200 | 1 |
| 2 | 0.5 | 2 | 400 | 1 |
| 3 | 0.5 | 2 | 400 | 1 |
| 4 | 0.5 | 2 | 400 | 1 |
| 5 | 0.5 | 1.5 | 300 | 1 |
| 10 | 0.5 | 1 | 200 | 1 |
| 샘플무게(g) | 흡수량(g) | 흡수율(%)1) | 흡수속도2) | |
| 비교예 1 | 0.5 | 7 | 1,400 | 1 |
| 비교예 2 | 0.1 | 1 | 1,000 | 1 |
| 비교예 3 | 0.5 | 3 | 600 | 1 |
| 비교예 4 | 0.5 | 12 | 2,400 | 1 |
| 비교예 5 | 0.1 | - | - | - |
| 실시예 1 | 0.5 | 5 | 1,000 | 1 |
| 실시예 2 | 0.5 | 0.5 | 100 | 2 |
| 실시예 3 | 0.1 | 0.9 | 900 | 2 |
| 실시예 4 | 0.1 | 0.6 | 600 | 2 |
| 실시예 5 | 0.1 | 0.4 | 400 | 2 |
| 샘플무게(g) | 흡수량(g) | 흡수율(%)1) | 흡수속도2) | |
| 비교예 1 | 0.5 | 2 | 400 | 4 |
| 비교예 2 | 0.1 | 0.4 | 400 | 4 |
| 비교예 3 | 0.5 | 1 | 200 | 4 |
| 비교예 4 | 0.5 | 3 | 600 | 4 |
| 비교예 5 | 0.1 | 0.6 | 600 | 2 |
| 실시예 1 | 0.5 | 6 | 1,200 | 1 |
| 실시예 2 | 0.5 | 0.5 | 100 | 2 |
| 실시예 3 | 0.1 | 1 | 1,000 | 2 |
| 실시예 4 | 0.1 | 0.6 | 600 | 2 |
| 실시예 5 | 0.1 | 0.4 | 400 | 2 |
| 지혈시간 | |
| 비교예 1 | 6분 33초 |
| 비교예 2 | 7분 27초 |
| 비교예 3 | 5분 17초 |
| 비교예 4 | - |
| 실시예 1 | 3분 |
| 실시예 2 | 4분 55초 |
| 실시예 3 | 3분 58초 |
| 실시예 4 | 3분 5초 |
| 실시예 5 | 3분 30초 |
| 지혈시간 | ||
| 비교예 1 | 2분 | 2분 |
| 비교예 2 | 2분(재출혈 관찰됨) | 2분 |
| 비교예 6 | 1분 | 2분 |
| 실시예 1 | 지혈 안 됨 | 지혈 안 됨 |
| 실시예 2 | 2분 뒤 지혈(재출혈 관찰됨) | 2분 뒤 지혈 (재출혈 관찰됨) |
| 실시예 3 | 2분 | 2분(재출혈 관찰됨) |
| 실시예 4 | 2분 | 2분 |
| 실시예 5 | 2분 | 2분(재출혈 관찰됨) |
| 평균 지혈 시간 | |
| 비교예 1 | 지혈 안 됨 |
| 실시예 1 | 지혈 안 됨 |
| 실시예 2 | 2분 15초 |
| 실시예 3 | 1분 11초 |
| 실시예 4 | 38초 |
| 실시예 5 | 1분 37초 |
Claims (18)
- 생분해성 고흡수성 폴리머(Bio-SAP) 및 생체점착성 폴리머(BP)를 포함하는 국소 지혈 파우더 조성물로서,
상기 생분해성 고흡수성 폴리머(Bio-SAP)는 하기 구조식 1, 구조식 2 및 가교제인 글리옥살에 의해 상호침투폴리머네트워크(Interpenetrating Polymer Networks, IPN) 또는 반상호침투폴리머네트워크(Semi Interpenetrating Polymer Networks, SIPN) 구조를 포함하는 것이고,
상기 생체점착성 폴리머(BP)는 표면에 티올(thiol)기가 도입된 폴리사카리드(polysaccharide)를 포함하며,
하기 구조식 1에서 n은 155~3235이고, 하기 구조식 2에서 n은 800~1800인 것을 특징으로 하는 국소 지혈 파우더 조성물:
[구조식 1]
[구조식 2]
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 생분해성 고흡수성 폴리머(Bio-SAP) 100 중량부에 대하여, 가교제는 0.01 내지 4 중량부를 포함하는 국소 지혈 파우더 조성물. - 삭제
- 삭제
- 제 1 항에 따른 조성물을 포함하는 국소 지혈 파우더.
- 제 8 항에 있어서,
상기 국소 지혈 파우더의 평균 직경은 1 내지 500㎛인 국소 지혈 파우더. - (a) 용액 A 및 B를 각각 제조하는 단계;
(b) 상기 A 및 B 용액을 혼합한 혼합 용액에 가교제로 글리옥살을 투입하여 생분해성 고흡수성 폴리머(Bio-SAP)를 형성하는 단계;
(c) 생체점착성 폴리머(BP)를 제조하는 단계; 및
(d) 상기 생분해성 고흡수성 폴리머(Bio-SAP) 및 상기 생체점착성 폴리머(BP)를 혼합하는 단계;를 포함하는 국소 지혈 파우더 조성물의 제조방법으로서,
상기 생분해성 고흡수성 폴리머(Bio-SAP)는 하기 구조식 1, 구조식 2 및 가교제인 글리옥살에 의해 상호침투폴리머네트워크(Interpenetrating Polymer Networks, IPN) 또는 반상호침투폴리머네트워크(Semi Interpenetrating Polymer Networks, SIPN) 구조를 포함하는 것이고,
상기 생체점착성 폴리머(BP)는 표면에 티올(thiol)기가 도입된 폴리사카리드(polysaccharide)를 포함하며,
하기 구조식 1에서 n은 155~3235이고, 하기 구조식 2에서 n은 800~1800인 것을 특징으로 하는 국소 지혈 파우더 조성물의 제조방법:
[구조식 1]
[구조식 2]
- 제 10 항에 있어서,
상기 (a)단계의 용액 A는 산 수용액 100 중량부에 대하여, 키토산을 1 내지 20 중량부 포함하는 국소 지혈 파우더 조성물의 제조방법. - 제 10 항에 있어서,
상기 (a)단계의 용액 B는 증류수 100 중량부에 대하여, 변성전분을 1 내지 10 중량부 포함하는 국소 지혈 파우더 조성물의 제조방법. - 제 10 항에 있어서,
상기 (b)단계의 혼합 용액 100 중량부에 대하여, 가교제는 0.01 내지 4 중량부를 포함하는 국소 지혈 파우더 조성물의 제조방법. - 삭제
- 제 10 항에 있어서,
상기 (c)단계의 생체점착성 폴리머(BP)의 제조는
산 수용액 100 중량부에 대하여, 티오글리콜산 0.01 내지 4 중량부 및 폴리사카리드(polysaccharide) 1 내지 20 중량부 포함하는 국소 지혈 파우더 조성물의 제조방법. - 제 15 항에 있어서,
상기 폴리사카리드(polysaccharide)는 전분, 키토산, 플루란(pullulan), 케라틴, 알지네이트, 카라기난, 셀룰로오스, 천연검(natural gum)류, 하이루론산, 글리코아미노글리칸(glycoaminoclycan, GAG)류 및 그들의 유도체에서 선택되는 적어도 어느 하나 이상을 포함하는 국소 지혈 파우더 조성물의 제조방법. - 제 15 항에 있어서,
상기 산 수용액은 가교제로 글리옥살, 글루타르알데하이드, 시트르산, 1-에틸-3(3-디메틸아미노프로필)카보디이미드(EDAC), N-하이드록시숙신이미드(NHS), 디아이소시아네이트 및 디아세트알데하이드에서 선택되는 적어도 어느 하나 이상을 포함하는 국소 지혈 파우더 조성물의 제조방법. - 삭제
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| US18/006,061 US20230277721A1 (en) | 2020-07-20 | 2021-05-31 | Topical hemostatic powder composition and preparation method therefor |
| PCT/KR2021/006759 WO2022019467A1 (ko) | 2020-07-20 | 2021-05-31 | 국소 지혈 파우더 조성물 및 이의 제조방법 |
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| WO2024035145A1 (ko) * | 2022-08-10 | 2024-02-15 | 연세대학교 산학협력단 | 알데히드와 카테콜기가 도입된 전분 하이드로젤 및 이의 용도 |
| KR102766098B1 (ko) * | 2022-10-31 | 2025-02-11 | 국립금오공과대학교 산학협력단 | 파우더형 점착성 지혈제 및 이의 제조방법 |
| CN120459359A (zh) * | 2025-05-15 | 2025-08-12 | 广东云曌医疗科技有限公司 | 一种复合速效止血粉及其制备方法和应用 |
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