Interface screw fixing device between a kind of centrum Minor articulus,It is firm to install the adjacent vertebral facet joints interface of what two,It includes； One stabilizing member,With wide face and periphery leptoprosopy,And multiple coarse points,It is implanted between the side Minor articulus； And one or more screws,Penetrate the stabilizing member； Its characteristic is in what: the stabilizing member fills up the side Minor articulus clearance space with coarse point engaging,Temporary stabilization is formed,And it is equipped with multiple leptoprosopy and wide face perforation； The grade screws penetrate perforation,By centrum on this,The side stabilizing member sheet body,It is fixed in conjunction with the hypocentrum,Or it may expand and be fixed.一種椎體小關節間介面螺釘固定裝置，裝設於二相鄰脊椎小關節介面穩固，其包含；一穩定件，具有寬面及週緣窄面，及多個粗糙點，植入該側小關節間；及一或多支螺釘，穿入該穩定件；其特徵在於：該穩定件以粗糙點卡合填補該側小關節間隙空間，形成暫時穩定，及設有多個窄面與寬面穿孔；該等螺釘穿入穿孔，將該上椎體、該側穩定件片體，與該下椎體結合固定，或可膨脹卡合固定。
