PROBLEM TO BE SOLVED: To provide a bone prosthetic material having high porosity, simultaneously having compression strength in a degree that collapse is not easily performed even by treatment upon surgery, and capable of more swift osteoanagenesis.SOLUTION: Provided is a bone prosthetic material containing a cross-linked gelatin covering at least on a part of the outer surface and the inner surface of the porous sintered compact of β type tricalcium phosphate or hydroxyapatite or their mixture, and having a compression strength of 2 MPa or more. Also provided is a method for producing a bone prosthetic material where the porous sintered compact of β type tricalcium phosphate or hydroxyapatite or their mixture is immersed into a gelatin solution to form a gelatin covering on at least a part of the outer surface and the inner surface of the porous sintered compact, and next, heating is performed.SELECTED DRAWING: None【課題】高い気孔率を有すると同時に、手術時の取り扱いでも容易に崩壊しない程度の圧縮強度を併せ持ち、より迅速な骨再生が可能な骨補填剤を提供する。【解決手段】β型リン酸三カルシウムまたは水酸アパタイトまたはこれらの混合物の多孔質焼結体の外表面及び内表面の少なくとも一部に架橋ゼラチン被覆を有し、2MPa以上の圧縮強度を有する骨補填材。β型リン酸三カルシウムまたは水酸アパタイトまたはこれらの混合物の多孔質焼結体を、ゼラチン溶液に浸漬し、前記多孔質焼結体の外表面及び内表面の少なくとも一部にゼラチン被覆を形成し、次いで加熱することを含む骨補填材の製造方法。【選択図】なし
