JP2015051271A - バイオセラミック組成物の合成 - Google Patents
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Abstract
【解決手段】カルシウム又はカルシウム含有化合物と、リン含有化合物と、ケイ素含有化合物と、を準備する工程と、前記化合物をアルカリ性pHにおいて水相内で反応させることにより、沈殿を生成する工程と、を備える方法と本反応物を含む合成骨材料、骨インプラント、骨移植片、骨補填材、骨足場、充填材、コーティング又はセメント。
【選択図】図1
Description
Ca10(PO4)6−x(SiO4)x(OH)2−x
によって表すことができる。
Ca10(PO4)4(SiO4)2
で表される。
カルシウム又はカルシウム含有化合物と、リン含有化合物と、ケイ素含有化合物とを準備する工程と、
これらの化合物をアルカリ性pHにおいて水相内で反応させることにより沈殿を生成する工程と
を含む方法を提供する。
カルシウム又はカルシウム含有化合物と、リン含有化合物と、ケイ素含有化合物とを混合する工程を包含する1つ又は複数の水性沈殿工程と、
1つ又は複数の水性沈殿工程により生成され、集合された生成物を加熱する工程と、
を含む方法により得られる組成物を提供する。
Ca10(PO4)6−x(SiO4)x(OH)2−x
を表し、式中xは、ドーピングのレベルに等しい。
10CaO+4.2H3PO4+1.8Si(OC2H5)4→Ca10(PO4)4.2(SiO4)1.8(OH)0.2
上式は、合成pHが≧8であるとの条件で正しい。
0.1モルのCaO=5.6079g、
0.042モルのH3PO4=4.842g(出発材料の85重量%を補償するように調整した)、
0.018モルのTEOS=3.750g。
10CaO+4H3PO4+2Si(OC2H5)4→Ca10(PO4)4(SiO4)2
上式は、合成pHが≧8であるとの条件で正しい。
0.1モルのCaO=5.6079g、
0.04モルのH3PO4=4.842g(出発材料の85重量%を補償するように調整した)、
0.02モルのTEOS=3.750g。
Claims (31)
- 生体医学用途向けの、リンシリケートカルシウム(CPS、Ca10(PO4)4(SiO4)2)を含むバイオセラミック組成物の製造方法であって、
カルシウム又はカルシウム含有化合物と、リン含有化合物と、ケイ素含有化合物と、を準備する工程と、
前記化合物をアルカリ性pHにおいて水相内で反応させることにより、沈殿を生成する工程と、
を備える方法。 - 前記リンシリケートカルシウムが、前記組成物中に、主相として、70重量%以上、好ましくは80重量%以上の量で存在する、請求項1に記載の方法。
- カルシウム対リン酸塩+シリケートのモル比が、約10:6である、請求項1又は2に記載の方法。
- リン酸塩対シリケートのモル比が、約5:1〜約4:2である、請求項1〜3のいずれか一項に記載の方法。
- リン酸塩対シリケートのモル比が、約4.2:1.8〜約4:2である、請求項4に記載の方法。
- 前記カルシウム含有化合物が、カルシウム塩である、請求項1〜5のいずれか一項に記載の方法。
- 前記カルシウム塩が、水酸化カルシウム、塩化カルシウム、硝酸カルシウム及び/又は硝酸カルシウム水和物の1種又は複数から選択される、請求項6に記載の方法。
- 前記リン含有化合物が、リン酸塩及び/又はリン酸の一方又は両方から選択される、請求項1〜7のいずれか一項に記載の方法。
- 前記リン含有化合物が、リン酸アンモニウム及び/又はリン酸の一方又は両方から選択される、請求項8に記載の方法。
- 前記ケイ素含有化合物が、シリケートである、請求項1〜9のいずれか一項に記載の方法。
- 前記シリケートが、テトラエチルオルトシリケート(TEOS)及び/又は酢酸ケイ素(silicon acetate)の一方又は両方から選択される、請求項10に記載の方法。
- 前記シリケートが、20重量%以下、好ましくは12〜20重量%、より好ましくは17〜20重量%の量で、材料中に存在する、請求項10又は請求項11に記載の方法。
- 前記pHが8〜13である、請求項1〜12のいずれか一項に記載の方法。
- 前記pHが10〜12である、請求項13に記載の方法。
- 溶液のpHを所望のpHに調整するためにアルカリを添加する、請求項1〜14のいずれか一項に記載の方法。
- 前記アルカリが、水酸化アンモニウムである、請求項15に記載の方法。
- 前記沈殿が生じた後、前記沈殿は1000℃〜1600℃の範囲の温度まで加熱される、請求項1〜16のいずれか一項に記載の方法。
- 前記沈殿が、1100℃〜1500℃、好ましくは1200℃〜1300℃の範囲の温度まで加熱される、請求項17に記載の方法。
- 前記沈殿が、1〜120時間、好ましくは2〜32時間、より好ましくは4〜32時間加熱される、請求項17又は18に記載の方法。
- 加熱温度から試料を冷却する工程と、場合によって加熱後のアニーリングステップを行う工程と、をさらに含む、請求項17〜19のいずれか一項に記載の方法。
- リンシリケートカルシウム(CPS、Ca10(PO4)4(SiO4)2)を含み、請求項1〜20のいずれか一項に記載の方法によって得られる、合成バイオセラミック組成物。
- リンシリケートカルシウムを主相として、好ましくは50重量%以上、より好ましくは60重量%以上、含む、請求項21に記載の合成バイオセラミック組成物。
- リンシリケートカルシウムを主相として含み、
二次副相に、ヒドロキシアパタイト、シリケート置換ヒドロキシアパタイト、アルファ−リン酸三カルシウム、ベータ−リン酸三カルシウム、ブルシャイト、モネタイト、リン酸四カルシウム、リン酸八カルシウム、ピロリン酸カルシウム、シリケートカルシウム、酸化カルシウム、炭酸カルシウム、非晶質リン酸カルシウムガラス、非晶質シリケートカルシウムガラス及び/又は非晶質リンシリケートカルシウムガラスの1種又は複数を含む、請求項21又は22に記載の合成バイオセラミック組成物。 - リンシリケートカルシウム相が、全結晶相組成物のおよそ98(±2)重量%を構成する、請求項21〜23のいずれか一項に記載の合成バイオセラミック組成物。
- 前記リンシリケートカルシウム相が、全結晶相組成物の50〜98重量%、好ましくは70〜98重量%、より好ましくは90〜98重量%を構成する、請求項21〜23のいずれか一項に記載の合成バイオセラミック組成物。
- 副成分として非晶質相も含有する、請求項21〜25のいずれか一項に記載の合成バイオセラミック組成物。
- 請求項21〜26のいずれか一項に記載の組成物を含む、合成骨材料、骨インプラント、骨移植片、骨補填材、骨足場、充填材、コーティング又はセメント。
- 主相としてリンシリケートカルシウム(CPS、Ca10(PO4)4(SiO4)2)を含む合成バイオセラミック組成物であって、二次相がヒドロキシアパタイト及び/又はヒドロキシアパタイト様相を含む組成物。
- 主相としてリンシリケートカルシウム(CPS、Ca10(PO4)4(SiO4)2)を含む合成バイオセラミック組成物であって、二次相が、アルファ−リン酸三カルシウム、アルファ−リン酸三カルシウム様相、ベータ−リン酸三カルシウム及び/又はベータ−リン酸三カルシウム様相の1種又は複数を含む組成物。
- 主相としてリンシリケートカルシウム(CPS、Ca10(PO4)4(SiO4)2)を含む合成バイオセラミック組成物であって、
二次相が、
(i)ヒドロキシアパタイト及び/又はヒドロキシアパタイト様相;及び、
(ii)アルファ−リン酸三カルシウム及び/又はアルファ−リン酸三カルシウム様相の一方又は両方;及び/又は、
(iii)ベータ−リン酸三カルシウム及び/又はベータ−リン酸三カルシウム様相;
を含む、組成物。 - 請求項28〜30のいずれか一項に記載の組成物を含む、合成骨材料、骨インプラント、骨移植片、骨補填材、骨足場、充填材、コーティング又はセメント。
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Application Number | Priority Date | Filing Date | Title |
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GB0800335.2 | 2008-01-09 | ||
GB0800335A GB2457756A (en) | 2008-01-09 | 2008-01-09 | Bioceramic calcium phosphosilicate compositions |
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JP2018076223A (ja) * | 2016-10-29 | 2018-05-17 | 公立大学法人奈良県立医科大学 | ケイ酸ストロンチウムアパタイトおよびこれを含む細胞培養基材と生体活性インプラント |
KR20190074437A (ko) * | 2017-12-20 | 2019-06-28 | 대구가톨릭대학교산학협력단 | 항염증 활성형 이성분 인산칼슘계 다공성 골 이식재의 제조방법 |
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GB0900269D0 (en) * | 2009-01-08 | 2009-02-11 | Univ Aberdeen | Silicate-substituted hydroxyapatite |
ES2373137B2 (es) * | 2010-07-16 | 2012-07-17 | Universidad Complutense De Madrid | Cemento de fosfato cálcico-silicato cálcico para aplicaciones biomédicas. |
CN107141022B (zh) * | 2017-04-14 | 2020-08-18 | 华南理工大学 | 一种在磷酸钙类生物陶瓷基体表面构建的白磷钙石涂层及其制备方法 |
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US4612053A (en) * | 1983-10-06 | 1986-09-16 | American Dental Association Health Foundation | Combinations of sparingly soluble calcium phosphates in slurries and pastes as mineralizers and cements |
JPH0323245A (ja) | 1989-06-16 | 1991-01-31 | Sumitomo Cement Co Ltd | 水硬性セメント組成物 |
JPH0333059A (ja) | 1989-06-27 | 1991-02-13 | Sumitomo Cement Co Ltd | 無機成形焼成材料用組成物 |
JPH0422003A (ja) | 1990-05-16 | 1992-01-27 | Sumitomo Cement Co Ltd | 電気絶縁用複合材料 |
JPH0422004A (ja) | 1990-05-16 | 1992-01-27 | Sumitomo Cement Co Ltd | 電気絶縁用複合材料 |
US6846493B2 (en) * | 1995-09-01 | 2005-01-25 | Millenium Biologix Inc. | Synthetic biomaterial compound of calcium phosphate phases particularly adapted for supporting bone cell activity |
EP1026701B1 (en) * | 1999-02-04 | 2003-12-17 | Mitsubishi Denki Kabushiki Kaisha | Epoxy resin composition for SF6 gas insulating device and SF6 gas insulating device |
JP4672112B2 (ja) * | 2000-06-13 | 2011-04-20 | 株式会社ジーシー | グラスアイオノマーセメント用ガラス粉末 |
WO2004053112A1 (en) * | 2002-12-12 | 2004-06-24 | Osteotech, Inc. | Formable and settable polymer bone composite and method of production thereof |
AU2004251664A1 (en) * | 2003-06-03 | 2005-01-06 | Osteotech, Inc. | Bioimplant with nonuniformly configured protrusions on the load bearing surfaces thereof |
GB2407580B (en) * | 2003-10-28 | 2009-02-25 | Univ Cambridge Tech | Biomaterial |
JP2007519492A (ja) * | 2004-01-30 | 2007-07-19 | オステオテック,インコーポレイテッド | 脊椎融合のための積み重ねインプラント |
US7498043B2 (en) * | 2004-04-07 | 2009-03-03 | Warsaw Orthopedic, Inc. | Silicon substituted oxyapatite |
US7695740B2 (en) * | 2005-06-29 | 2010-04-13 | Iain Ronald Gibson | Synthetic calcium phosphate comprising silicon and trivalent cation |
CA2637606C (en) * | 2006-01-19 | 2013-03-19 | Osteotech, Inc. | Porous osteoimplant |
GB2442000A (en) * | 2006-06-07 | 2008-03-26 | Apatech Ltd | Biomedical materials containing gadolinium |
GB2448489A (en) * | 2007-04-11 | 2008-10-22 | Univ Aberdeen | Substituted calcium phosphate materials |
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JOURNAL OF THE AUSTRALASIAN CERAMIC SOCIETY, vol. Vol.29, No.1/2, JPN6013024487, 1993, pages p71−80 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018076223A (ja) * | 2016-10-29 | 2018-05-17 | 公立大学法人奈良県立医科大学 | ケイ酸ストロンチウムアパタイトおよびこれを含む細胞培養基材と生体活性インプラント |
KR20190074437A (ko) * | 2017-12-20 | 2019-06-28 | 대구가톨릭대학교산학협력단 | 항염증 활성형 이성분 인산칼슘계 다공성 골 이식재의 제조방법 |
KR102080628B1 (ko) | 2017-12-20 | 2020-02-24 | 대구가톨릭대학교산학협력단 | 항염증 활성형 이성분 인산칼슘계 다공성 골 이식재의 제조방법 |
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JP6435542B2 (ja) | 2018-12-12 |
US9226991B2 (en) | 2016-01-05 |
JP2017148553A (ja) | 2017-08-31 |
AU2009203607B2 (en) | 2013-10-17 |
ES2588221T3 (es) | 2016-10-31 |
EP2238091B1 (en) | 2016-08-17 |
EP2238091A2 (en) | 2010-10-13 |
GB2457756A (en) | 2009-09-02 |
JP6156652B2 (ja) | 2017-07-05 |
WO2009087390A3 (en) | 2009-10-15 |
WO2009087390A2 (en) | 2009-07-16 |
AU2009203607A1 (en) | 2009-07-16 |
US8728968B2 (en) | 2014-05-20 |
GB0800335D0 (en) | 2008-02-20 |
JP2011509235A (ja) | 2011-03-24 |
US20110021338A1 (en) | 2011-01-27 |
US20140302164A1 (en) | 2014-10-09 |
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