VESTAKEEP® i4P is a high-viscosity polyether ether ketone (PEEK) powder that is designed for long term human implant applications.
Proven Biocompatibility of VESTAKEEP® i-Grades
VESTAKEEP® i4 P is compliant with ASTM F2026 “Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications”. The extra high purity and extended quality measures make the i-grades an ideal material for long term body contact.
A summary of biocompatibility tests is available upon request.
Biocompatibility tests available for i4 P
In addition to the body contact period the suitability of the material depends on further criteria, for example the nature of the contact, the processing, or the surface. In any case the suitability has to be verified for the end product.
Processing of VESTAKEEP® i-Grades
As a powder, VESTAKEEP® i4 P can be used for compounding, compression molding and other melt processing.
For information about processing of VESTAKEEP®powders, please follow the general recommendations in our brochure “VESTAKEEP® Polyether Ether Ketone Powder”.
Typical Applications
- spinal cages
- interference screws
- facial implants for facial bone fractures
- stents
- suture anchors
- access ports
- heart valves
- small joints
Benefits at a glance
- Biocompatibility
- Biostability
- Sterilization compatible
- Modulus similar to bone
- Wear comfort due to light weight and low thermal conductivity
- Lower stress-shielding effect
- No x-ray artifacts and/or adjustable opacity
- Metal-free
- Low water absorption
- Resistant to chemicals Injection molding and extrusion compatible
- Good processability and machinability