This invention relates to an intervertebral implant, which is a porous structure composed of a plurality of metallic spheres. The intervertebral implant comprises a bone support zone and a bone growth zone, wherein each of the bone support zone and the bone growth zone has a plurality of communication holes, and the bone support zone has a porosity smaller than that of the bone growth zone.一種椎間植入物，其係由複數金屬球體所組成的一多孔結構，且椎間植入物包括骨支撐區及骨成長區；其中，骨支撐區及骨成長區各具有複數個連通孔，且骨支撐區的孔隙率係小於骨成長區的孔隙率。
