Metal-polymer composite spinal interbody fusion cage

Metal-polymer composite spinal interbody fusion cages are surgical implants designed to replace a damaged or removed intervertebral disc, promoting bone fusion between adjacent vertebrae. Clinically, they are used to stabilize the spine and treat conditions like degenerative disc disease, providing structural support while facilitating long-term spinal stability through bone growth into the device’s porous structure.

These devices are typically regulated as surgical implants, often requiring pre-market approval or clearance depending on the jurisdiction. They are usually supplied as sterile, single-use implants, often packaged with associated fixation hardware for surgical placement. Classification and regulatory pathways vary by country, but they generally fall under strict medical device oversight due to their permanent implantation and critical role in spinal stabilization.