A method for reattaching a detached tissue to a hard tissue includes operation in which a suture anchor having a first stitch and a second stitch is provided, wherein the first stitch is divided into a first strand and a second strand, and the second stitch is divided into a third strand and a fourth strand. The suture anchor is fixed on a hard tissue. The first strand, the second strand, the third strand and the fourth strand pass through a detached tissue. A bioinductive patch is provided, wherein the bioinductive patch includes a patch body and a button. The first strand and the third strand pass through the patch body and a first suture hole of the button, and the second strand and the fourth strand pass through the patch body and a second suture hole of the button. The second strand and the third strand are knotted to form a first strand node, and the first strand node presses the bioinductive patch and the detached tissue tightly onto the hard tissue.Un patch bioinductif comprend un corps de patch ayant un espace interne et un bouton disposé dans l'espace interne du corps de patch. Une méthode de fabrication d'un patch bioinductif comprend : la fourniture d'un corps de patch ayant un espace interne et la disposition d'un bouton dans l'espace interne du corps de patch.