KR101507589B1 - 전기방사된 젤라틴/bcp와 키토산 하이드로젤 조성의 골 지혈제 제조방법 - Google Patents
전기방사된 젤라틴/bcp와 키토산 하이드로젤 조성의 골 지혈제 제조방법 Download PDFInfo
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- KR101507589B1 KR101507589B1 KR20130070225A KR20130070225A KR101507589B1 KR 101507589 B1 KR101507589 B1 KR 101507589B1 KR 20130070225 A KR20130070225 A KR 20130070225A KR 20130070225 A KR20130070225 A KR 20130070225A KR 101507589 B1 KR101507589 B1 KR 101507589B1
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- 239000008273 gelatin Substances 0.000 title claims abstract description 47
- 229920000159 gelatin Polymers 0.000 title claims abstract description 47
- 108010010803 Gelatin Proteins 0.000 title claims abstract description 43
- 235000019322 gelatine Nutrition 0.000 title claims abstract description 43
- 235000011852 gelatine desserts Nutrition 0.000 title claims abstract description 43
- 229920001661 Chitosan Polymers 0.000 title claims abstract description 42
- 239000000017 hydrogel Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 13
- 210000000988 bone and bone Anatomy 0.000 title description 13
- 230000002439 hemostatic effect Effects 0.000 title description 6
- 239000002131 composite material Substances 0.000 title description 2
- 239000000463 material Substances 0.000 title description 2
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000004132 cross linking Methods 0.000 claims abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 15
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical compound CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- NQTADLQHYWFPDB-UHFFFAOYSA-N N-Hydroxysuccinimide Chemical compound ON1C(=O)CCC1=O NQTADLQHYWFPDB-UHFFFAOYSA-N 0.000 claims description 6
- RHQDFWAXVIIEBN-UHFFFAOYSA-N Trifluoroethanol Chemical compound OCC(F)(F)F RHQDFWAXVIIEBN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
- 230000002051 biphasic effect Effects 0.000 claims description 3
- 239000001506 calcium phosphate Substances 0.000 claims description 3
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 3
- 235000011010 calcium phosphates Nutrition 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 239000002874 hemostatic agent Substances 0.000 abstract description 21
- 229940030225 antihemorrhagics Drugs 0.000 abstract description 16
- 230000010478 bone regeneration Effects 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 6
- 208000032843 Hemorrhage Diseases 0.000 description 5
- 210000001185 bone marrow Anatomy 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000004821 effect on bone Effects 0.000 description 3
- 230000023597 hemostasis Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 210000003625 skull Anatomy 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000010186 staining Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- ISCMYZGMRHODRP-UHFFFAOYSA-N 3-(iminomethylideneamino)-n,n-dimethylpropan-1-amine Chemical compound CN(C)CCCN=C=N ISCMYZGMRHODRP-UHFFFAOYSA-N 0.000 description 1
- 102000015081 Blood Coagulation Factors Human genes 0.000 description 1
- 108010039209 Blood Coagulation Factors Proteins 0.000 description 1
- 206010008635 Cholestasis Diseases 0.000 description 1
- 238000000116 DAPI staining Methods 0.000 description 1
- 206010051297 Soft tissue haemorrhage Diseases 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 239000003114 blood coagulation factor Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000004663 cell proliferation Effects 0.000 description 1
- 230000007870 cholestasis Effects 0.000 description 1
- 231100000359 cholestasis Toxicity 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- MHMNJMPURVTYEJ-UHFFFAOYSA-N fluorescein-5-isothiocyanate Chemical compound O1C(=O)C2=CC(N=C=S)=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 MHMNJMPURVTYEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000002615 hemofiltration Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000010603 microCT Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/716—Glucans
- A61K31/722—Chitin, chitosan
-
- 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
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/42—Proteins; Polypeptides; Degradation products thereof; Derivatives thereof, e.g. albumin, gelatin or zein
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2121/00—Preparations for use in therapy
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Inorganic Chemistry (AREA)
- Molecular Biology (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
도 2는 (A)키토산 하이드로젤의 횡단면 이미지, (B)젤라틴/BCP 전자방사 매트의 표면 이미지, (C)키토산 하이드로젤과 젤라틴/BCP 합성물의 횡단면 이미지, (D)키토산 하이드로젤의 확대이미지, (E)젤라틴/BCP층의 확대이미지이고, 에너지 분광분석(EDS) 그래프를 도시하고 있다.
도 3은 키토산-젤라틴/BCP 지혈제와 젤라틴 전자방사 매트에 MC3T3-E1 세포를 (A)1일, (B)3일, (C)5일, (D)7일간 배양한 후 세포증식을 MTT 법으로 분석한 그래프와 공초점현미경(Confocal) 이미지이다.
도 4는 항 응고처리된 쥐의 혈액을 이용한 키토산-젤라틴/BCP 지혈제의 혈액 흡수도를 나타낸 그래프로서, (A)혈액 흡수시킨 키토산-젤라틴/BCP 지혈제의 횡단면 이미지, (B)키토산 하이드로젤 층, (C)젤라틴/BCP 매트 부분을 확대한 이미지이다.
도 5는 마이크로 컴퓨터 단층촬영(Micro-CT)를 이용해 수술 1주(A, B), 3주(C, D)후의 쥐 두개골을 3D로 재구성한 이미지와 골 부피분율을 나타낸 그래프이다.
도 6은 H&E 염색을 통하여 수술 1주, 3주 후의(A)지혈처리 하지 않은 결함부, (B)지혈처리한 결함부, (C)지혈제를 이식한 결함부를 관찰한 조직 염색 이미지이다.
Claims (6)
- (a) 다공성 구조를 갖는 키토산 하이드로젤 층을 제조하는 단계;
(b) 전기방사된 젤라틴/BCP 매트를 제조하는 단계;
(c) 80% 에탄올에 1-ethyl-3 (3-dimethylaminopropyl)carbodiimide (EDAC)와 N-Hydroxyl succinimide (NHS)을 5:2 몰랄 비율로 녹인 가교제를 준비하는 단계;
(d) 상기 키토산 하이드로젤 층에 상기 전기방사된 젤라틴/BCP 매트를 위치시킨 후에 상기 가교제로 가교시키는 단계; 및
(e) 상기 키토산 하이드로젤 층과 전기방사된 젤라틴/BCP의 합성층을 동결건조시키는 단계;를 포함하고,
상기 (a) 다공성 구조를 갖는 키토산 하이드로젤 층을 제조하는 단계는, 1% 아세트산에 2% w/v의 키토산을 용해시킨 뒤 여과하여 불순물을 제거하는 단계; 및 상온에서 4시간동안 보관한 후 4℃에서 8시간, -20℃에서 8시간동안 냉각시킨 뒤, 키토산을 48시간동안 동결건조시키는 단계를 포함하며,
상기 (b) 전기방사된 젤라틴/BCP 매트를 제조하는 단계는, 15% w/v 젤라틴과 50 w/w 이상인산칼슘(BCP: Biphasic Calcium Phosphate) 분말을 2,2,2-트리플루오르에탄올 (TFE, 99.0%)에 용해시키고, 24시간동안 교반시켜 균일하게 만드는 단계; 및 상기 젤라틴/BCP 용액을 전기방사시키는 단계;를 포함하는 것을 특징으로 하는 전기방사된 젤라틴/BCP와 키토산 하이드로젤 조성의 골 지혈제 제조방법. - 삭제
- 제 1항에 있어서,
상기 동결건조된 키토산은 얼음을 제거하고 거품구조로 만들어 주는 것을 특징으로 하는 전기방사된 젤라틴/BCP와 키토산 하이드로젤 조성의 골 지혈제 제조방법. - 삭제
- 삭제
- 제 1항에 있어서, 상기 (e) 동결건조시키는 단계는,
100% 에탄올에서 30분, 50% 알코올에서 30분동안 세정한 뒤 -70℃에서 24시간동안 동결건조시키는 것을 특징으로 하는 전기방사된 젤라틴/BCP와 키토산 하이드로젤 조성의 골 지혈제 제조방법.
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KR101507589B1 true KR101507589B1 (ko) | 2015-04-08 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220010831A (ko) | 2020-07-20 | 2022-01-27 | 주식회사 테라시온 바이오메디칼 | 국소 지혈 파우더 조성물 및 이의 제조방법 |
US11739166B2 (en) | 2020-07-02 | 2023-08-29 | Davol Inc. | Reactive polysaccharide-based hemostatic agent |
US12151045B2 (en) | 2020-12-28 | 2024-11-26 | Davol Inc. | Reactive dry powdered hemostatic materials comprising a protein and a multifunctionalized modified polyethylene glycol based crosslinking agent |
US12161777B2 (en) | 2020-07-02 | 2024-12-10 | Davol Inc. | Flowable hemostatic suspension |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20090010607A (ko) * | 2007-07-24 | 2009-01-30 | (주)씨네이처 | 콜라겐을 함유한 관절연골 치료용 이중 지지체 |
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2013
- 2013-06-19 KR KR20130070225A patent/KR101507589B1/ko active Active
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KR20090010607A (ko) * | 2007-07-24 | 2009-01-30 | (주)씨네이처 | 콜라겐을 함유한 관절연골 치료용 이중 지지체 |
Non-Patent Citations (1)
Title |
---|
Jyh-Ping Chen et al., colloids and surfaces B : Biointerfaces, Vol. 110, pages 120-129 (2013.04.28. 공개) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11739166B2 (en) | 2020-07-02 | 2023-08-29 | Davol Inc. | Reactive polysaccharide-based hemostatic agent |
US12161777B2 (en) | 2020-07-02 | 2024-12-10 | Davol Inc. | Flowable hemostatic suspension |
KR20220010831A (ko) | 2020-07-20 | 2022-01-27 | 주식회사 테라시온 바이오메디칼 | 국소 지혈 파우더 조성물 및 이의 제조방법 |
US12151045B2 (en) | 2020-12-28 | 2024-11-26 | Davol Inc. | Reactive dry powdered hemostatic materials comprising a protein and a multifunctionalized modified polyethylene glycol based crosslinking agent |
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