PEEK brand selected for plastic-metal implant system
Belgium chemical group Solvay (Brussels; said it has partnered with US medical implant product maker Carbon22 (Englewood Cliffs, N.J.; to produce cannulated screws for orthopaedic applications using a plastic-metal hybrid composite.

Solvay’s implant-grade "Zeniva" brand PEEK resin is being used in the US company’s "Creed" cannulated screw system for foot and ankle surgery. The resin is overmoulded on a titanium core to produce the screws. The companies are said to have worked closely to achieve strong adhesion between the PEEK and titanium. The screws received approval from the US Food and Drug Administration (FDA) in December 2020.

The plastic-metal hybrid composite is radiolucent – transparent to X-rays – and helps lower production costs compared to traditional titanium screws, which generate significant and expensive scrap during machining. The new design also allows for a more aggressive cutting tip than can be realised with all-PEEK cannulated screw designs. Solvay introduced its Zeniva line in 2007 (see of 07.11.2007).
28.05.2021 [247711-0]
Published on 28.05.2021

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