VESTAKEEP® iC4520 R is a rod stock based on implantable grade polyether ether ketone resin VESTAKEEP® iC4520 G. It contains 20% barium sulphate to render it X-ray opaque.
Proven Biocompatibility
VESTAKEEP® iC4520 R is especially designed for long term implantable medical devices.
The compound composition is optimised for high biocompatibility and mechanical, thermal and chemical resistance.
Biocompatibility of has been tested following ISO 10993-1 recommendations for permanent tissue/bone contact and USP Class VI.
A summary of biocompatibility test results is available upon request.
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