Featured Publications & Reports

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PEEK in Arthroplasty Expert Round Table Presentation: FDA Pathway and Preclinical wear testing of PEEK arthroplasty devices

This presentation clarifies the US regulatory pathway for PEEK arthroplasty bearings as requiring an investigational device exemption (IDE) and premarket approval (PMA). The FDA's current concerns about preclinical testing of PEEK bearings are also summarized.



PEEK in Arthroplasty Expert Round Table Presentation: Tribology of Orthopaedic PEEK-on-PEEK Bearings

This presentation covers research at the University of Waterloo directed to understanding the tribology of PEEK-on-PEEK bearings, primarily for cervical disc arthroplasty applications. Tribological assessment was performed using a multi-directional pin-on-disc tribometer (OrthoPOD) with clinically relevant lubrication. The testing program also incorporated adverse, high stress conditions.



PEEK in Arthroplasty Expert Round Table Presentation: The Issue of Wear

This presentation summarizes research from Rush University regarding the tribologic aspects of PEEK-on-PEEK bearings and articulations of PEEK with cartilage. A custom test method is described for studing the tribology of PEEK against cartilage.



Micromechancial Model of HA-PEEK Composites

The objective of this study was to establish key structure-property relationships and predictive capabilities for the design of hydroxyapatite (HA) whisker reinforced PEEK composites and, more generally, discontinuous short fiber-reinforced composite materials. This research demonstrates the ability to accurately predict differences in orthotropic elastic constants due to changes in the reinforcement orientation distribution, which will aid in the design of HA whisker reinforced PEEK composites and, more generally, discontinuous short fiber-reinforced composites.



Poster: Evaluation of PEEK-on-PEEK as a New Articulation

In this conference poster, researchers Investigated the wear performance of PEEK-on-PEEK bearings under simulated cervical artificial disc loading conditions. An initial run-in phase with a high wear rate and a second phase starting at 4 million cycles with a reduced wear rate (3.5 times less) was observed.


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