An anterior cervical fusion cage is a specifically engineered medical implant with the key objective of stabilizing the spine and facilitating bone healing. During the Anterior Cervical Discectomy and Fusion (ACDF) procedure, when inserted into the neck area, it undertakes multiple essential functions. Firstly, it acts as a spacer, ensuring the maintenance of an appropriate distance between the vertebrae. This is vital as it helps to prevent the vertebrae from collapsing onto one another after the damaged disc has been removed. Secondly, it provides a scaffold for the growth of new bone tissue. The porous structure or surface design of the fusion cage allows osteoblasts (bone-forming cells) to attach and proliferate, gradually filling the space within and around the cage. As a result, a solid bony union is formed between the adjacent vertebrae over time, which significantly enhances the long-term stability of the spine and promotes the overall success of the ACDF surgery, ultimately leading to the relief of symptoms such as neck pain, numbness, and weakness caused by the original spinal disorder.