KR102286084B1 - 인산칼슘 지지체의 경화속도 제어방법 - Google Patents
인산칼슘 지지체의 경화속도 제어방법 Download PDFInfo
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- KR102286084B1 KR102286084B1 KR1020190103723A KR20190103723A KR102286084B1 KR 102286084 B1 KR102286084 B1 KR 102286084B1 KR 1020190103723 A KR1020190103723 A KR 1020190103723A KR 20190103723 A KR20190103723 A KR 20190103723A KR 102286084 B1 KR102286084 B1 KR 102286084B1
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- tissue regeneration
- hard tissue
- paste
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- 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 title claims abstract description 40
- 239000001506 calcium phosphate Substances 0.000 title claims abstract description 30
- 229910000389 calcium phosphate Inorganic materials 0.000 title claims abstract description 30
- 235000011010 calcium phosphates Nutrition 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 27
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- 230000017423 tissue regeneration Effects 0.000 claims abstract description 36
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- VBJGJHBYWREJQD-UHFFFAOYSA-M sodium;dihydrogen phosphate;dihydrate Chemical compound O.O.[Na+].OP(O)([O-])=O VBJGJHBYWREJQD-UHFFFAOYSA-M 0.000 claims abstract description 14
- KDQPSPMLNJTZAL-UHFFFAOYSA-L disodium hydrogenphosphate dihydrate Chemical compound O.O.[Na+].[Na+].OP([O-])([O-])=O KDQPSPMLNJTZAL-UHFFFAOYSA-L 0.000 claims abstract description 13
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- ZBZJARSYCHAEND-UHFFFAOYSA-L calcium;dihydrogen phosphate;hydrate Chemical compound O.[Ca+2].OP(O)([O-])=O.OP(O)([O-])=O ZBZJARSYCHAEND-UHFFFAOYSA-L 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- RBLGLDWTCZMLRW-UHFFFAOYSA-K dicalcium;phosphate;dihydrate Chemical compound O.O.[Ca+2].[Ca+2].[O-]P([O-])([O-])=O RBLGLDWTCZMLRW-UHFFFAOYSA-K 0.000 claims description 11
- 229940122361 Bisphosphonate Drugs 0.000 claims description 9
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- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 6
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- 238000000926 separation method Methods 0.000 description 1
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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Abstract
Description
도 2는 실시예 1 및 비교예 1에서 사용된 경화액에 따른 수화반응 기반 상전이 시간을 나타낸 그래프이고;
도 3은 실시예 2 및 비교예 2에서 사용된 경화액에 따른 산-염기반응 기반 상전이 시간을 나타낸 그래프이고;
도 4는 실시예 1 및 비교예 1에서 사용된 경화액에 따른 상전이를 관찰한 그래프이고;
도 5는 실시예 2 및 비교예 2에서 사용된 경화액에 따른 상전이를 관찰한 그래프이고;
도 6은 실시예 1 및 비교예 1에서 사용된 경화액에 따른 반응 종료시간을 나타낸 그래프이고;
도 7은 실시예 2 및 비교예 2에서 사용된 경화액에 따른 반응 종료시간을 나타낸 그래프이고;
도 8은 실시예 1, 실시예 2, 비교예 1 및 비교예 2에서 제조된 지지체를 육안으로 관찰한 사진이고;
도 9는 실시예 1, 실시예 2, 비교예 1 및 비교예 2에서 제조된 지지체를 FE-SEM으로 관찰한 사진이고;
도 10은 실시예 1, 실시예 2, 비교예 1 및 비교예 2에서 각각의 경화액에 따른 지지체 경화 반응을 정리한 그래프이고;
도 11은 실시예 12 내지 14 및 비교예 12 내지 14에서 사용된 경화액에 따른 상전이를 확인한 XRD 그래프이고;
도 12는 실시예 15 내지 17 및 비교예 15 내지 17에서 사용된 경화액에 따른 상전이를 확인한 XRD 그래프이고;
도 13은 실시예 18 내지 20 및 비교예 18 내지 20에서 사용된 경화액에 따른 상전이를 확인한 XRD 그래프이고;
도 14는 실시예 1, 실시예 2, 비교예 1 및 비교예 2에서 제조된 지지체의 기계적 물성을 나타낸 그래프이고;
도 15는 친수성 생체활성물질인 알렌드로네이트를 도입한 지지체(실시예 13 및 비교예 13)를 XRD로 분석한 그래프이고;
도 16은 실시예 1, 실시예 2, 비교예 1 및 비교예 2에서 제조된 지지체의 세포반응성을 분석한 그래프이다.
Claims (13)
- 인산칼슘계 세라믹을 포함하는 페이스트를 준비하는 단계;
상기에서 준비한 페이스트를 성형하여 성형체를 얻는 단계; 및
상기에서 얻은 성형체를, DSP(disodium phosphate dihydrate, Na2HPO4ㆍ2H2O) 및 MSP(monosodium phosphate dihydrate, NaH2PO4ㆍ2H2O)로 이루어지는 군으로부터 선택되는 1종 이상을 포함하는 경화액에 침지하여 시멘트 반응을 유도하는 단계;를 포함하되,
상기 경화액 내 DSP(disodium phosphate dihydrate, Na2HPO4ㆍ2H2O) 및 MSP(monosodium phosphate dihydrate, NaH2PO4ㆍ2H2O)로 이루어지는 군으로부터 선택되는 1종 이상의 농도는 0.01 M 내지 0.5 M인 것을 특징으로 하는 경조직 재생용 지지체의 제조방법.
- 제1항에 있어서,
상기 페이스트는 약물을 더 포함하는 경조직 재생용 지지체의 제조방법.
- 제1항에 있어서,
상기 인산칼슘계 세라믹은 α-TCP(α-Tricalcium phosphate), β-TCP(β-Tricalcium phosphate), 하이드록시아파타이트(Hydroxyapatite), DCPD(Dicalcium phosphate dihydrate), MCPM(Monocalcium phosphate monohydrate), DCPA(Dicalcium phosphate anhydrous) 및 BCP(Biphasic Calcium Phosphate)로 이루어지는 군으로부터 선택되는 1종 이상을 포함하는 경조직 재생용 지지체의 제조방법.
- 제2항에 있어서,
상기 약물은 비스포스포네이트계 화합물로 이루어지는 군으로부터 선택되는 1종 이상을 포함하는 경조직 재생용 지지체의 제조방법.
- 제1항에 있어서,
상기 페이스트는 하이드록시프로필 메틸셀룰로오즈(HPMC), 하이드록시 에틸 셀룰로오스(HEC), 메틸셀룰로오스(Methyl cellulose), 카르복시메틸셀룰로오스(CMC), 알지네이트(Alginate), 젤라틴(Gelatin), 콜라겐(Collagen), 파이브리노젠(fibrinogen), 키토산(Chitosan), 아가(Agar), 마트리겔(Matrigel), 스타치(Starch), 펙틴(Pectin), 폴리비닐 알콜(Polyvinyl alcohol), 폴리우레탄(Polyurethane), 폴리에틸렌 글라이콜(Poly(ethylene glycol)), 폴리프로필렌 글라이콜(Poly(propylene glycol)), 히알루로난(Hyaluronan) 및 폴리비닐피롤리돈(Poly(vinylpyrrolidone))으로 이루어지는 군으로부터 선택되는 1종 이상의 점증제를 더 포함하는 경조직 재생용 지지체의 제조방법.
- 제1항에 있어서,
상기 페이스트는 메탄올, 에탄올, 프로판올 및 부탄올로 이루어지는 군으로부터 선택되는 1종 이상의 알코올을 더 포함하는 경조직 재생용 지지체의 제조방법.
- 제2항에 있어서,
상기 약물의 함량은 전체 페이스트에 대하여 0.01 중량% 내지 5 중량%인 경조직 재생용 지지체의 제조방법.
- 제1항에 있어서,
상기 성형은 적층조형법으로 수행되는 경조직 재생용 지지체의 제조방법.
- 제1항에 있어서,
상기 경화액의 pH 값은 2 내지 14 범위인 경조직 재생용 지지체의 제조방법.
- 삭제
- 제1항에 있어서,
상기 성형체를 경화액에 침지시키는 것은 0.5시간 내지 8시간 동안 수행되는 경조직 재생용 지지체의 제조방법.
- 인산칼슘계 세라믹 및 비스포스포네이트계 화합물을 포함하는 약물을 포함하는 페이스트를 준비하는 단계;
상기에서 준비한 페이스트를 성형하여 성형체를 얻는 단계; 및
상기에서 얻은 성형체를, MSP(monosodium phosphate dihydrate, NaH2PO4ㆍ2H2O)를 포함하는 경화액에 침지하여 시멘트 반응을 유도하는 단계;를 포함하되,
상기 경화액 내 DSP(disodium phosphate dihydrate, Na2HPO4ㆍ2H2O) 및 MSP(monosodium phosphate dihydrate, NaH2PO4ㆍ2H2O)로 이루어지는 군으로부터 선택되는 1종 이상의 농도는 0.01 M 내지 0.5 M인 것을 특징으로 하는 경조직 재생용 지지체의 제조방법.
- 인산칼슘계 세라믹을 포함하는 페이스트를 준비하는 단계;
상기에서 준비한 페이스트를 성형하여 성형체를 얻는 단계; 및
상기에서 얻은 성형체를, DSP(disodium phosphate dihydrate, Na2HPO4ㆍ2H2O) 및 MSP(monosodium phosphate dihydrate, NaH2PO4ㆍ2H2O)로 이루어지는 군으로부터 선택되는 1종 이상을 포함하는 경화액에 침지하여 시멘트 반응을 유도하는 단계;를 포함하되,
상기 경화액 내 DSP(disodium phosphate dihydrate, Na2HPO4ㆍ2H2O) 및 MSP(monosodium phosphate dihydrate, NaH2PO4ㆍ2H2O)로 이루어지는 군으로부터 선택되는 1종 이상의 농도는 0.01 M 내지 0.5 M인 것을 특징으로 하는 제조방법을 통해 제조되는 경조직 재생용 지지체.
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