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Solvay’s Zeniva polymer chosen for a new surface technology

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Solvay Specialty Polymers recently announced its Zeniva polymer has been chosen by Vertera Spine to develop its PEEK Scoria, a porous surface technology for intervertebral joint fusion.

Vertera Spine’s PEEK Scoria surface treatment is grown directly from the bulk PEEK material that comprises Vertera Spine’s COHERE system. Solvay’s Zeniva PEEK comprises both the porous surface technology and the device on which it is grown, according to company representatives.

According Solvay, PEEK Scoria’s surface technology is engineered to facilitate bone tissue in-growth and has a 300-µm average pore size, layer thicknesses greater than 500 µm, more than 99% interconnectivity and a wettable surface.

By growing PEEK Scoria directly onto the device instead of applying the material, Vertera Spine eliminated the need for any additive materials.

Solvay company representatives said the Zeniva polymer’s biocompatibility, toughness and fatigue resistance, as well as a modulus very similar to bone, proved to be a key enabler for the medical device.

Reference: www.solvayspecialitypolymers.com