Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHOD FOR PRODUCING CALCIUM PHOSPHATE SINTERED COMPACT PARTICLE
PROBLEM TO BE SOLVED: To provide a calcium phosphate sintered compact particle group suitable to medical application, particularly, to the material for medical equipment introduced into the living body.SOLUTION: Provided is a ceramic particle group made of ceramic particles, in which the particle diameter of the ceramic particles lies in the range of 10 to 700 nm, also, the variation coefficient of the particle diameter of the ceramic particle group is 20% or lower, the ceramic particles being calcium phosphate sintered compact particles, the ceramic particles do not substantially include calcium carbonate, and also, the ceramic particles include apatite carbonate at least on the surfaces thereof. Also provided is a ceramic particle group having an almost spherical shape. Also provided is a ceramic particle group, preferably, having a particle diameter in which the maximum diameter of the minor axis of the ceramic particles is 30 nm to 5 μm and the major axis is 75 nm to 10 μm, growth is shown in a c-axis direction, and the aspect ratio of the crystals is 1 to 30.SELECTED DRAWING: None
【課題】医療用途、特に生体内に導入される医療機器の材料として適しているリン酸カルシウム焼結体粒子群の提供。【解決手段】セラミック粒子からなるセラミック粒子群であって、前記セラミック粒子の粒子径が、１０ｎｍ〜７００ｎｍの範囲内で、且つ前記セラミック粒子群の粒子径の変動係数が、２０％以下であり、前記セラミック粒子が、リン酸カルシウム焼結体粒子であり、前記セラミック粒子が、炭酸カルシウムを実質的に含まず、且つ、前記セラミック粒子が、少なくともその表面に炭酸アパタイトを含むセラミック粒子群。前記セラミック粒子が、略球状である、セラミック粒子群。前記セラミック粒子の短軸の最大直径が３０ｎｍ〜５μｍであり、長軸が７５ｎｍ〜１０μｍの粒子径で、ｃ軸方向に成長し、結晶のアスペクト比が１〜３０であることが好ましい、セラミック粒子群。【選択図】なし
METHOD FOR PRODUCING CALCIUM PHOSPHATE SINTERED COMPACT PARTICLE
PROBLEM TO BE SOLVED: To provide a calcium phosphate sintered compact particle group suitable to medical application, particularly, to the material for medical equipment introduced into the living body.SOLUTION: Provided is a ceramic particle group made of ceramic particles, in which the particle diameter of the ceramic particles lies in the range of 10 to 700 nm, also, the variation coefficient of the particle diameter of the ceramic particle group is 20% or lower, the ceramic particles being calcium phosphate sintered compact particles, the ceramic particles do not substantially include calcium carbonate, and also, the ceramic particles include apatite carbonate at least on the surfaces thereof. Also provided is a ceramic particle group having an almost spherical shape. Also provided is a ceramic particle group, preferably, having a particle diameter in which the maximum diameter of the minor axis of the ceramic particles is 30 nm to 5 μm and the major axis is 75 nm to 10 μm, growth is shown in a c-axis direction, and the aspect ratio of the crystals is 1 to 30.SELECTED DRAWING: None
【課題】医療用途、特に生体内に導入される医療機器の材料として適しているリン酸カルシウム焼結体粒子群の提供。【解決手段】セラミック粒子からなるセラミック粒子群であって、前記セラミック粒子の粒子径が、１０ｎｍ〜７００ｎｍの範囲内で、且つ前記セラミック粒子群の粒子径の変動係数が、２０％以下であり、前記セラミック粒子が、リン酸カルシウム焼結体粒子であり、前記セラミック粒子が、炭酸カルシウムを実質的に含まず、且つ、前記セラミック粒子が、少なくともその表面に炭酸アパタイトを含むセラミック粒子群。前記セラミック粒子が、略球状である、セラミック粒子群。前記セラミック粒子の短軸の最大直径が３０ｎｍ〜５μｍであり、長軸が７５ｎｍ〜１０μｍの粒子径で、ｃ軸方向に成長し、結晶のアスペクト比が１〜３０であることが好ましい、セラミック粒子群。【選択図】なし
METHOD FOR PRODUCING CALCIUM PHOSPHATE SINTERED COMPACT PARTICLE
リン酸カルシウム焼結体粒子の製造方法
KOKAYU YASUMITSU (Autor:in) / AOI NOBUO (Autor:in) / NOMI DAISUKE (Autor:in) / KAWABE KARL KAZUSHIGE (Autor:in)
11.01.2018
Patent
Elektronische Ressource
Japanisch
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