Featured Publications & Reports

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Fibroblasts and Osteoblasts Cultivated on Surface Modified PEEK Compounds

The aim of this study is a surface modification of different PEEK compounds to improve the interaction with fibroblast and osteoblast cells without changing or affecting the main bulk properties. As prearrangement PEEK material parameters, the effect of SBF cultivation and the influence of fetal calf serum (FCS) on cell proliferation were investigated.

Osteointegrative Coating Solutions for PEEK-based Implants

In order to improve the stability of the bone-implant interface, PEEK implants can be coated with Titanium (Ti) or Hydroxyapatite (HA) via Plasma Spray (PS) processes. The aim of this work is to show a further development step allowing highly porous Ti coatings application also on PEEK.

Plasma Immerson Ion Implantation Treatment of Poly-Ether Ether Ketone For Surface Biofunctionalization

The aim of this project is to study the effects of the Plasma Immersion Ion Implantation (PIII) treatment on PEEK and explore methods of achieving improved bone cell responses by changing surface properties with PIII as well as using PIII to bio-functionalize PEEK surfaces with bone matrix proteins.

Frictional Heating of PEEK-UHMWPE Bearing Couple on Pin-on-disk Tester

Heat generated during elliptical Pin-on-disk articulation of UHMWPE-PEEK and UHMWPE-CoCr bearing couples, lubricated by either bovine serum or water on a Pin-on-disk, was characterized using an approach previously investigated for TKA by Lu and McKellop. We hypothesized that, at steady state, heat generated by articulation would not differ between UHMWPE-PEEK and UHMWPE-CoCr bearing couples. We also hypothesized that the coefficient of friction at steady state would be similar for both bearing couples when lubricated by either bovine serum or water.

Semi-Rigid Posterior Fixation: PEEK Rod Design, Rationale and Use

This presentation addresses the state of the art of PEEK rods employed in lower lumbar posterior fixation.

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