Sphericity - ISO 7206-2

Implants for surgery — Partial and total hip joint prostheses — Part 2: Articulating surfaces made of metallic, ceramic and plastics materials


The ISO 7206 standard specifies requirements of ball and socket articulating surfaces.


Sphericity and surface finish requirements for the following components are described:

  • metallic and ceramic femoral prostheses for partial hip joint replacement
  • bipolar heads
  • plastics acetabular components
  • metallic or ceramic femoral components