Unique Osseointegration Patterns in 3D Printed Trabecular-Architecture Porous Polyetheretherketone (PEEK). A CT Scan Study of the Inspire® Cervical Implant

Anterior cervical discectomy and fusion (ACDF) is a common procedure for the surgical treatment of degenerative pathologies of the cervical spine. The utilization of interbody fusion implants is a well-established technique to restore disk space height, alignment, decompress the exiting nerve roots, and provide surface area for fusion of the adjacent vertebrae. Successful fusion is critical for the long-term stability and function of the cervical spine and for maintenance of the overall clinical outcome. Polyetheretherketone (PEEK) is a material commonly used for interbody fusion implants. Benefits of PEEK include radiolucency, less stress shielding compared to titanium implants and improved modulus which may provide better loading characteristic. The ability to better visualize the fusion at the osseous-implant junction is a benefit preferred by many surgeons.

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