Patent ID: 8696752
Filing Date: 2014-04-15
Classification: A61B,A61F

Abstract:
1. An interbody cage comprising: a substrate having a plurality of curve slits, with each of the plurality of curve slits having a plurality of sections, wherein a plurality of deformable ribs is formed, with each of the plurality of deformable ribs being between any adjacent two of the plurality of curve slits and having a first end and a second end, wherein the first and second ends of each of the plurality of deformable ribs respectively connect with two opposite lateral bars of the substrate, with a plurality of folds formed on the plurality of deformable ribs in places adapted to be bent, wherein each of the plurality of deformable ribs has a narrow part and a wide part, with a plurality of through holes formed in the wide parts and penetrating the substrate, wherein each of the plurality of sections of any one of the plurality of curve slits has a first part and a second part in arc shapes, wherein the first parts and the second parts of the plurality of sections of said any one of the curve slits are arranged in a staggered manner, wherein curvature centers of the first parts are on one side of said any one of the curve slits, and wherein curvature centers of the second parts are on another side of said any one of the curve slits.