Solvay’s Zeniva PEEK for mass production of implantable devices


Speciality chemicals supplier Solvay says its new Zeniva ZA-600 CF30 polyetheretherketone (PEEK), a 30% carbon fibre-reinforced, radiolucent polymer, is targeted at large-scale implantable device applications. The latest addition to Solvay’s growing portfolio of Healthcare solutions, the PEEK solution offers modulus very similar to cortical bone. That means, unlike implantable metals, it can help implants minimise reduction in bone density by maintaining normal stress on surrounding bone tissue.

The new materials also offers strength twice that of unmodified PEEK, making it an excellent candidate for structural, load-bearing, implantable devices used in spine, hip and knee replacements. This quality allows designers to reduce the size and scale of their implanted devices to make them less intrusive. Like unmodified PEEK, Zeniva ZA-600 CF30 polymer also offers exceptional creep resistance and the ability to withstand prolonged fatigue strain.

Solvay’s new specialty polymer also shares unmodified PEEK’s inherent radiolucency, giving it an advantage over metallic solutions that prohibit visualisation of implants and fusions using x-ray, CT scan, MRI and other medical imaging methods.

Zeniva ZA-600 CF30 PEEK is manufactured in a dedicated ISO 13485- and cGMP-compliant facility in the US and is tested in ISO 17025 labs. It is part of Solvay’s Solviva family of biomaterials, which offer a broad and growing range of options for implantable devices used in orthopedics, cardiovascular, spine and other applications.

It is targeted at implantable devices used for sports medicine, trauma and joint reconstruction, and optimised for injection moulding, the material opens the door to cost-effective, large-scale production of implants, says Solvay.


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