VESTAKEEP® i4 PL

Proven Biocompatibility of VESTAKEEP® i-Grades

The extra high purity and extended quality measures make VESTAKEEP® i-Grade materials an excellent choice for permanent implants.

For VESTAKEEP® i4 PL, biocompatibility has been tested according to ISO 10993-1 recommendations for permanent tissue/bone contact and USP Class VI.

VESTAKEEP® i4 PL complies ASTM F2026 “Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications”.

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