KR101989054B1 - 지혈용 조성물 및 이를 포함하는 용기 - Google Patents
지혈용 조성물 및 이를 포함하는 용기 Download PDFInfo
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- KR101989054B1 KR101989054B1 KR1020180127183A KR20180127183A KR101989054B1 KR 101989054 B1 KR101989054 B1 KR 101989054B1 KR 1020180127183 A KR1020180127183 A KR 1020180127183A KR 20180127183 A KR20180127183 A KR 20180127183A KR 101989054 B1 KR101989054 B1 KR 101989054B1
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- collagen
- thrombin
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- hemostasis
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Abstract
Description
도 2는 가교된 콜라겐 및 가교된 젤라틴에 대한 각각의 팽창속도를 측정하여 얻은 그래프이다.
도 3은 실시예 2 및 비교예 1을 토끼 장간막 절단 모델에 각각 처리하여 지혈 성공율(왼쪽)과 지혈에 걸리는 시간(오른쪽)을 측정하여 얻은 그래프이다.
도 4는 실시예 2 및 비교예 1을 돼지 상대정맥 손상 모델에 각각 처리한 후 H&E 염색하여 얻은 조직의 이미지이다.
구분 | 배치순서 |
실시예 1 | 가교된 콜라겐 - 만니톨 - 트롬빈 |
실시예 2 | 트롬빈 - 만니톨 - 가교된 콜라겐 |
실시예 3 | 에스테르화 콜라겐 - 만니톨 - 트롬빈 |
실시예 4 | 트롬빈 - 만니톨 - 에스테르화 콜라겐 |
비교예 1 | 트롬빈-만니톨-가교된 젤라틴 |
혼합횟수(회) | 최대값 하중(N) | ||||
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 1 | |
N1 | 4.36 | 3.94 | 22.57 | 21.84 | 19.43 |
N3 | 10.83 | 7.05 | 5.12 | 13.1 | 8.39 |
N5 | 10.18 | 6.52 | 5.83 | 21.98 | 61.07 |
N7 | 9.97 | 7.04 | 22.32 | 7.69 | 22.16 |
평균 | 8.84 | 6.14 | 13.96 | 16.15 | 27.76 |
구분 | 분해시간 별 남은 중량비( % ) | ||
24시간 후 | 48시간 후 | 72시간 후 | |
가교된 콜라겐 | 73.0±3.1 | 38.7±1.2 | 0 |
에스테르화 콜라겐 | 68.0±2.0 | 34.6±1.2 | 0 |
가교된 젤라틴 | 79.0±2.3 | 43.3±3.0 | 3.3±1.2 |
실시예 2 | 비교예 1 | |
염증반응 | + | ++ |
잔여물 | + | ++ |
조직 | 평가지표 | 등급 | |||
실시예 2 | 비교예 1 | ||||
개체1 | 개체2 | 개체1 | 개체2 | ||
Renal cortex | Tissue alteration, bleeding | 0 | 0 | 2 | 1 |
Epithelial regressive changes (edema, necrosis) | 0 | 0 | 3 | 1 | |
Glomerular necrosis | 0 | 0 | 0 | 0 | |
Glomerular hyaline microthrombi | 0 | 0 | 0 | 0 | |
Inflammation | 4 | 4 | 5 | 5 | |
Extraglomerular hemorrhage | 0 | 0 | 0 | 0 | |
Intraglomerular hemorrhage | 0 | 0 | 0 | 0 | |
Fibroblast activation | 2 | 2 | 3 | 3 | |
Fibrosis | 2 | 1 | 3 | 3 | |
Fistula | 0 | 0 | 0 | 0 | |
Microvascular proliferation | 2 | 2 | 2 | 1 | |
Hyaline in the tubules | 2 | 1 | 2 | 1 | |
Interstitial hemorrhage | 1 | 0 | 2 | 3 | |
Polymorphonuclears | 3 | 3 | 2 | 2 | |
Collagen scar | 0 | 0 | 0 | 0 | |
Extra fat tissue | Granuloma/inflammation around kidney | 2 | 4 | 4 | 5 |
Destruction score | 18 | 17 | 28 | 25 |
Claims (26)
- 용기 내에 충진되는 콜라겐, 안정화제 및 트롬빈을 포함하는 분말제 형태의 지혈용 조성물이되,
상기 콜라겐 또는 트롬빈이 용기 하부에 충진되어 제1층을 형성하고,
상기 안정화제가 상기 제1층의 상부에 적층되어 제2층을 형성하며,
그 다음 상기 제1층에 포함되지 않은 콜라겐 또는 트롬빈이 제2층의 상부에 적층되어 제3층을 형성함으로써, 콜라겐 및 트롬빈이 용기 내에서 서로 혼합되지 않고 분리된 지혈용 조성물. - 제 1항에 있어서,
상기 콜라겐은 가교된 콜라겐인 것을 특징으로 하는 지혈용 조성물. - 제 2항에 있어서,
상기 가교된 콜라겐은
S1) 콜라겐을 에탄올 또는 메탄올에 처리하는 단계;
S2) 상기 S1) 단계에서 처리된 콜라겐에 산을 첨가하여 pH 2~4의 콜라겐 용액으로 제조하는 단계;
S3) 상기 S2) 단계로부터 제조된 콜라겐 용액을 중성상태로 만든 후 원심분리하여 에스테르화 콜라겐을 제조하는 단계;
S4) 상기 S3) 단계로부터 제조된 에스테르화 콜라겐에 가교제를 첨가하여 가교된 콜라겐을 제조하는 단계; 및
S5) 상기 S4) 단계로부터 제조된 가교된 콜라겐을 정제수에 분산시킨 후 동결건조 시키는 단계를 포함하는 제조방법에 의해 제조된 것을 특징으로 하는 지혈용 조성물. - 제 2항에 있어서,
상기 가교된 콜라겐의 분자량은 100,000 내지 1,000,000 Dalton 인 것을 특징으로 하는, 지혈용 조성물. - 제 1항에 있어서,
상기 지혈용 조성물의 총 중량에 대하여, 상기 콜라겐이 40 내지 97 중량%으로 포함된 것을 특징으로 하는, 지혈용 조성물. - 제 1항에 있어서,
상기 안정화제는 알부민(human serum albumin), 만니톨, 아세트산나트륨(C2H3NaO2), 수크로스, 트레할로스, 소르비톨 및 글라이신으로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는, 지혈용 조성물. - 제 6항에 있어서,
상기 안정화제는 만니톨인 것을 특징으로 하는, 지혈용 조성물. - 제 1항에 있어서,
상기 지혈용 조성물의 총 중량에 대하여, 상기 안정화제가 1 내지 30 중량%으로 포함된 것을 특징으로 하는, 지혈용 조성물. - 제 1항에 있어서,
상기 지혈용 조성물의 총 중량에 대하여, 상기 트롬빈이 2 내지 50 중량%으로 포함된 것을 특징으로 하는, 지혈용 조성물. - 삭제
- 제 1항 내지 제 9항 중 어느 한항의 지혈용 조성물을 포함하는 용기.
- 콜라겐, 안정화제 및 트롬빈을 포함하는 분말제 형태의 지혈용 조성물이 채워진 제1 용기; 및
희석액이 채워진 제2 용기를 포함하는 지혈용 키트이되,
상기 제1 용기는
상기 콜라겐 또는 트롬빈이 제1 용기의 하부에 충진되어 제1층을 형성하고;
상기 안정화제가 제1층의 상부에 적층되어 제2층을 형성하며;
그 다음 상기 제1층에 포함되지 않은 콜라겐 또는 트롬빈이 제2층의 상부에 적층되어 제3층을 형성함으로써, 콜라겐 및 트롬빈이 용기 내에서 서로 혼합되지 않고 분리된 지혈용 키트. - 제 12항에 있어서,
상기 희석액은 정제수, 염화칼슘(CaCl2) 용액, 염화나트륨(NaCl) 용액, 사람 혈청 알부민(human serum albumin), 및 아세트산나트륨(C2H3NaO2) 용액으로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는 지혈용 키트. - 제 13항에 있어서,
상기 희석액은 염화칼슘 용액이고,
상기 희석액의 총 중량에 대하여, 상기 염화칼슘이 0.001 내지 30중량%로 포함된 것을 특징으로 하는 지혈용 키트. - 제 12항에 있어서,
상기 지혈용 키트는
제1 용기와 제2 용기가 서로 결합하여 지혈용 조성물과 희석액이 혼합되어 하이드로겔을 형성하고,
상기 하이드로겔의 평균기공 사이즈는 50㎛ 내지 200㎛인 것을 특징으로 하는, 지혈용 키트. - 제 15항에 있어서,
상기 하이드로겔의 pH는 6 내지 8인 것을 특징으로 하는, 지혈용 키트. - 제 12항에 있어서,
상기 제1 용기에 트롬빈, 안정화제, 콜라겐 순으로 채워진 것을 특징으로 하는, 지혈용 키트. - 제 12항에 있어서,
상기 콜라겐은 가교된 콜라겐인 것을 특징으로 하는, 지혈용 키트. - 제 18항에 있어서,
상기 가교된 콜라겐은
S1) 콜라겐을 에탄올 또는 메탄올에 처리하는 단계;
S2) 상기 S1) 단계에서 처리된 콜라겐에 산을 첨가하여 pH 2~4의 콜라겐 용액으로 제조하는 단계;
S3) 상기 S2) 단계로부터 제조된 콜라겐 용액을 중성상태로 만든 후 원심분리하여 에스테르화 콜라겐을 제조하는 단계;
S4) 상기 S3) 단계로부터 제조된 에스테르화 콜라겐에 가교제를 첨가하여 가교된 콜라겐을 제조하는 단계; 및
S5) 상기 S4) 단계로부터 제조된 가교된 콜라겐을 정제수에 분산시킨 후 동결건조 시키는 단계를 포함하는 제조방법에 의해 제조된 것을 특징으로, 지혈용 키트. - 제 18항에 있어서,
상기 가교된 콜라겐의 분자량은 100,000 내지 1,000,000 Dalton 인 것을 특징으로 하는, 지혈용 키트. - 제 12항에 있어서,
상기 지혈용 조성물의 총 중량에 대하여, 상기 콜라겐이 40 내지 97 중량%으로 포함된 것을 특징으로 하는, 지혈용 키트. - 제 12항에 있어서,
상기 안정화제는 알부민(human serum albumin), 만니톨, 아세트산나트륨(C2H3NaO2), 수크로스, 트레할로스, 소르비톨 및 글라이신으로 이루어진 군에서 선택된 1종 이상인 것을 특징으로 하는, 지혈용 키트. - 제 22항에 있어서,
상기 안정화제는 만니톨인 것을 특징으로 하는, 지혈용 키트. - 제 12항에 있어서,
상기 지혈용 조성물의 총 중량에 대하여, 상기 안정화제가 1 내지 30 중량%으로 포함된 것을 특징으로 하는, 지혈용 키트. - 제 12항에 있어서,
상기 지혈용 조성물의 총 중량에 대하여, 상기 트롬빈이 2 내지 50 중량%으로 포함된 것을 특징으로 하는, 지혈용 키트. - 삭제
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US16/767,912 US11628236B2 (en) | 2017-11-28 | 2018-11-28 | Composition for hemostasis and container comprising same |
CN201880076999.4A CN111465417B (zh) | 2017-11-28 | 2018-11-28 | 止血用组合物以及包含上述止血用组合物的容器 |
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WO2022010703A1 (en) * | 2020-07-10 | 2022-01-13 | Watabe John T | Improved hemostatic material and device for achieving durable hemostasis of a bleeding biopsy tract |
AU2022398334A1 (en) | 2021-11-29 | 2024-05-02 | Baxter Healthcare Sa | Improved hemostat reconstitution methods and devices |
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US11628236B2 (en) | 2023-04-18 |
EP3718578A2 (en) | 2020-10-07 |
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JP2021504097A (ja) | 2021-02-15 |
JP7223447B2 (ja) | 2023-02-16 |
EP3718578B1 (en) | 2023-08-16 |
CN111465417A (zh) | 2020-07-28 |
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