KR20170079723A - 치과용 약물 방출 생분해성 섬유 칩 및 그 제조방법 - Google Patents
치과용 약물 방출 생분해성 섬유 칩 및 그 제조방법 Download PDFInfo
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- KR20170079723A KR20170079723A KR1020150190593A KR20150190593A KR20170079723A KR 20170079723 A KR20170079723 A KR 20170079723A KR 1020150190593 A KR1020150190593 A KR 1020150190593A KR 20150190593 A KR20150190593 A KR 20150190593A KR 20170079723 A KR20170079723 A KR 20170079723A
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- biodegradable
- drug
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- acid
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Abstract
Description
도 4는 실험예 2에 따라 제조된 섬유 시트의 전계방출 주사전자현미경(FE-SEM) 사진이다.
도 5는 실험예 3에 따라 제조된 섬유 시트의 전계방출 주사전자현미경(FE-SEM) 사진이다.
도 6 내지 도 8은 실험예 4에 따라 제조된 섬유 시트의 전계방출 주사전자현미경(FE-SEM) 사진이다.
도 9 내지 도 11은 실험예 5에 따라 제조된 약물 방출 생분해성 섬유 칩의 표면을 관찰한 전계방출 주사전자현미경(FE-SEM) 사진이다.
Claims (13)
- 평균 직경이 0.01∼100㎛인 생분해성 섬유들이 네트워크 형태로 얽혀서 압축되어 가로 0.5∼50㎜, 세로 0.5∼50㎜ 및 두께 0.05∼5㎜를 갖는 섬유 칩을 이루고,
네트워크 형태로 얽혀있는 상기 생분해성 섬유들 사이에 기공들이 분포하며,
상기 생분해성 섬유는 생분해성 천연 고분자, 약물 및 가교제(cross-linking agent)를 구성 성분으로 포함하고,
상기 생분해성 천연 고분자는 젤라틴(gelatin), 콜라겐(collagen), 알지네이트(alginate), 키토산(chitosan), 피브린(fibrin), 히알루론산(hyaluronic acid) 및 덱스트란(dextran) 중에서 선택된 1종 이상의 물질을 포함하며,
상기 약물은 항염증제(anti-inflammatory agent) 및 항생제(antibiotics) 중에서 선택된 1종 이상의 물질을 포함하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩.
- 제1항에 있어서, 상기 생분해성 섬유는 구성 성분으로 폴리아닐린(polyaniline), 폴리카보네이트(polycarbonate), 폴리에틸렌글리콜(polyethyleneglycol) 및 폴리비닐알콜(polyvinyl alcohol) 중에서 선택된 1종 이상의 생분해성 합성 고분자를 더 포함하며,
상기 생분해성 천연 고분자와 상기 생분해성 합성 고분자는 1:0.001∼1의 중량비를 이루는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩.
- 제1항에 있어서, 상기 생분해성 섬유는 구성 성분으로 폴리락트산(polylactic acid), 폴리글리콜산(polyglycolic acid), 폴리락트산-코-글리콜산(poly(lactic-co-glycolic acid)), 폴리카프로락톤(polycaprolactone) 및 폴리오르토에스테르(polyorthoester) 중에서 선택된 1종 이상의 생분해성 합성 고분자를 더 포함하며,
상기 생분해성 천연 고분자와 상기 생분해성 합성 고분자는 1:0.001∼1의 중량비를 이루는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩.
- 제1항에 있어서, 상기 생분해성 섬유의 구성 성분을 이루는 상기 가교제(cross-linking agent)는 1-에틸-3-(3-디메틸아미노프로필)카보디이미드 하이드로클로라이드(1-ethyl-3-(3-dimethylamino propyl) carbodiimide hydrochloride), 히알루론산(hyaluronic acid), 펙틴(pectin), 산화자당(oxidized sucrose), 글리세르알데히드(glyceraldehyde), 글루타르알데히드(glutaraldehyde), 포름알데히드(formaldehyde), 카보디이미드(carbodiimide), 게니핀(genipin), 설탕류(sugars), 트랜스글루타미나아제(transglutaminase) 및 에폭시화합물(epoxy compounds) 중에서 선택된 1종 이상의 물질을 포함하며,
상기 생분해성 천연 고분자와 상기 가교제는 1:0.0001∼0.5의 중량비를 이루는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩.
- 제1항에 있어서, 상기 생분해성 천연 고분자와 약물은 1:0.001∼10의 중량비를 이루며,
상기 항염증제는 이부프로펜(Ibuprofen), 페노프로펜(Fenoprofen), 플루르비프로펜(Flurbiprofen), 카르프로펜(Carprofen), 디클로페낙(Diclofenac), 펜부펜(Fenbufen), 펜클로즈산((Fenclozic Acid), 플루페남산(Flufenamic Acid), 인도메타신(Indomethacin), 인도프로펜(Indoprofen), 케토프로펜(Ketoprofen), 로나졸락(Lonazolac), 록소프로펜(Loxoprofen), 메클로페남산(Meclofenamic Acid), 메페남산(Mefenamic Acid), 나프록신(Naproxen), 프로프리온산(Proprionic Acids), 살리실산(Salicilic Acid), 설린닥(Sulindac), 톨메틴(Tolmetin), 멜록시캄(Meloxicam), 옥시캄(Oxicams), 피록시캄(Piroxicam), 테녹시캠(Tenoxicam), 에토돌락(Etodolac) 및 옥사프로진(Oxaprozin) 중에서 선택된 1종 이상의 물질을 포함하고,
상기 항생제는 클로로헥시딘(chlorohexidine), 미노사이클린(minocycline), 독시싸이클린(doxycycline), 메트로니다졸(metronidazole), 오플록사신(ofloxacin), 테트라사이클린(tetracycline), 티니다졸(tinidazole) 및 케토나졸(Ketonazole) 중에서 선택된 1종 이상의 물질을 포함하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩.
- (a) 용제에 생분해성 천연 고분자, 약물 및 가교제(cross-linking agent)를 첨가하여 생분해성 천연 고분자, 약물 및 가교제(cross-linking agent)의 혼합용액을 형성하는 단계;
(b) 상기 혼합용액을 전기방사를 실시하여 평균 직경이 0.01∼100㎛인 생분해성 섬유들이 네트워크 형태로 얽혀있는 섬유 시트를 제조하는 단계; 및
(c) 상기 섬유 시트를 압축하면서 펀칭(punching)하여 가로 0.5∼50㎜, 세로 0.5∼50㎜ 및 두께 0.05∼5㎜를 갖는 섬유 칩을 형성하는 단계를 포함하며,
상기 생분해성 천연 고분자는 젤라틴(gelatin), 콜라겐(collagen), 알지네이트(alginate), 키토산(chitosan), 피브린(fibrin), 히알루론산(hyaluronic acid) 및 덱스트란(dextran) 중에서 선택된 1종 이상의 물질을 포함하고,
상기 약물은 항염증제(anti-inflammatory agent) 및 항생제(antibiotics) 중에서 선택된 1종 이상의 물질을 포함하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
- 제6항에 있어서, 상기 (c) 단계는,
복수의 섬유 시트를 적층하는 단계; 및
적층된 복수의 섬유 시트를 압축하면서 펀칭하여 가로 0.5∼50㎜, 세로 0.5∼50㎜ 및 두께 0.05∼5㎜를 갖는 섬유 칩을 형성하는 단계를 포함하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
- 제6항에 있어서, 상기 (c) 단계는,
상기 섬유 시트를 말아 감아서 두루마리 형태로 만드는 단계; 및
두루마리 형태의 섬유 시트를 압축하면서 펀칭하여 가로 0.5∼50㎜, 세로 0.5∼50㎜ 및 두께 0.05∼5㎜를 갖는 섬유 칩을 형성하는 단계를 포함하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
- 제6항에 있어서, 상기 (a) 단계에서 폴리아닐린(polyaniline), 폴리카보네이트(polycarbonate), 폴리에틸렌글리콜(polyethyleneglycol) 및 폴리비닐알콜(polyvinyl alcohol) 중에서 선택된 1종 이상의 생분해성 합성 고분자를 더 첨가하고,
상기 생분해성 천연 고분자와 상기 생분해성 합성 고분자가 1:0.001∼1의 중량비를 이루게 상기 생분해성 합성 고분자를 첨가하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
- 제6항에 있어서, 상기 (a) 단계에서 폴리락트산(polylactic acid), 폴리글리콜산(polyglycolic acid), 폴리락트산-코-글리콜산(poly(lactic-co-glycolic acid)), 폴리카프로락톤(polycaprolactone) 및 폴리오르토에스테르(polyorthoester) 중에서 선택된 1종 이상의 생분해성 합성 고분자를 더 첨가하고,
상기 생분해성 천연 고분자와 상기 생분해성 합성 고분자가 1:0.001∼1의 중량비를 이루게 상기 생분해성 합성 고분자를 첨가하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
- 제6항에 있어서, 상기 가교제(cross-linking agent)는 1-에틸-3-(3-디메틸아미노프로필)카보디이미드 하이드로클로라이드(1-ethyl-3-(3-dimethylamino propyl) carbodiimide hydrochloride), 히알루론산(hyaluronic acid), 펙틴(pectin), 산화자당(oxidized sucrose), 글리세르알데히드(glyceraldehyde), 글루타르알데히드(glutaraldehyde), 포름알데히드(formaldehyde), 카보디이미드(carbodiimide), 게니핀(genipin), 설탕류(sugars), 트랜스글루타미나아제(transglutaminase) 및 에폭시화합물(epoxy compounds) 중에서 선택된 1종 이상의 물질을 포함하며,
상기 (a) 단계에서 상기 생분해성 천연 고분자와 상기 가교제는 1:0.0001∼0.5의 중량비를 이루게 첨가되는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
- 제6항에 있어서, 상기 용제는 아세트산(acetic acid), 에틸아세테이트(ethyl acetate), 알긴산나트륨(sodium alginate), 1,1,1,3,3,3 핵사플루오로-2-프로판올(1,1,1,3,3,3 hexafluoro-2-propanol), 2,2,2-트리플루오로에탄올(2,2,2-trifluoroethanol), 이소프로판올 및 포름산 중에서 선택된 1종 이상의 물질을 포함하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
- 제6항에 있어서, 상기 (a) 단계에서 상기 생분해성 천연 고분자와 약물은 1:0.001∼10의 중량비를 이루게 첨가되며,
상기 항염증제는 이부프로펜(Ibuprofen), 페노프로펜(Fenoprofen), 플루르비프로펜(Flurbiprofen), 카르프로펜(Carprofen), 디클로페낙(Diclofenac), 펜부펜(Fenbufen), 펜클로즈산((Fenclozic Acid), 플루페남산(Flufenamic Acid), 인도메타신(Indomethacin), 인도프로펜(Indoprofen), 케토프로펜(Ketoprofen), 로나졸락(Lonazolac), 록소프로펜(Loxoprofen), 메클로페남산(Meclofenamic Acid), 메페남산(Mefenamic Acid), 나프록신(Naproxen), 프로프리온산(Proprionic Acids), 살리실산(Salicilic Acid), 설린닥(Sulindac), 톨메틴(Tolmetin), 멜록시캄(Meloxicam), 옥시캄(Oxicams), 피록시캄(Piroxicam), 테녹시캠(Tenoxicam), 에토돌락(Etodolac) 및 옥사프로진(Oxaprozin) 중에서 선택된 1종 이상의 물질을 포함하고,
상기 항생제는 클로로헥시딘(chlorohexidine), 미노사이클린(minocycline), 독시싸이클린(doxycycline), 메트로니다졸(metronidazole), 오플록사신(ofloxacin), 테트라사이클린(tetracycline), 티니다졸(tinidazole) 및 케토나졸(Ketonazole) 중에서 선택된 1종 이상의 물질을 포함하는 것을 특징으로 하는 치과용 약물 방출 생분해성 섬유 칩의 제조방법.
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PCT/KR2016/000385 WO2017115906A1 (ko) | 2015-12-31 | 2016-01-14 | 치과용 약물 방출 생분해성 섬유 칩 및 그 제조방법 |
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