Osteoinductive Coating on PEEK Surfaces by Using Nanocrystalline Biomaterial and In Vivo Test
A surface coating on the polymer polyetheretherketone (PEEK) was developed to improve the osteointegration of an implantation model for cages (implant for spinal fusion). In a process of induction heating the polymer surface was coated with a synthetic biomaterial. The polymer surface melts during the coating process and crawls into the nanoporous structure of the biomaterial. After heat dissipation, a strong connection is reached between polymer and biomaterial. Finally, the model was implanted into New Zealand rabbit femur as control and coated group for 2, 4 and 6 weeks. The evaluation offers a ca. 10% higher bone-to-implant-contact value for the coated group.
Kunio Ishikawa and Yukihide Iwamoto
H. Keuer et al., "Osteoinductive Coating on PEEK Surfaces by Using Nanocrystalline Biomaterial and In Vivo Test", Key Engineering Materials, Vols. 529-530, pp. 345-349, 2013