Hip implant testing gives insight into the lifespan and integrity of the product. Our medical device experts perform a wide variety mechanical testing methods for both modular and non-modular hip implants. 

Hip implants encounter various normal and abnormal forces while in the human body. Mechanical testing of hip implants is used to replicate those real-life forces, and measure how a product will withstand different levels of compression, torsion, bending and wear.

hip implant testing

Our Test Methods for Hip Implants

  • Wear Testing
  • Modular Connection Testing Component Interlock Strength 
  • Assembly & Disassembly Force 
  • Fretting Corrosion Testing 
  • Axial Push-In/Out 
  • Polymer Characterization 
  • Porous Structure Testing 
  • Cytotoxicity Testing
  • Impingement Testing 
  • Microbiological Analysis 
  • Range of Motion 
  • Failure Analysis 


Long-term tests, such as wear testing and fatigue testing, are performed to validate the durability and performance of hip implants over an extended period of time. Various static tests are also performed to determine properties such as range of motion, axial push-in/out, modular connection strength, component interlock strength, and assembly/disassembly force. 

Hip Stem Fatigue Testing (ISO 7206-4)

Hip stem fatigue testing, governed by ISO 7206-4, applies an axial load to an implant that has been potted in such a way as to represent the loosening of the implant proximally. The orientation translates axial load into a combination of compression, torsion, and bending stresses on the stem of the specimen. Tests typically run to 5,000,000 cycles and must meet the load requirement of 2,300 N (517 lbs).

Femoral Neck Fatigue Testing (ISO 7206-6)

Whereas stem fatigue testing simulates a loosened implant, femoral neck fatigue testing (ISO 7206-6) simulates loads experienced by a properly fixed implant during gait. Hip implants are expected to run out to 10,000,000 cycles without failure and are tested at 5,340 N (1,200 lbs).

Hip Wear Testing (ISO 14242)

This test standard aims to characterize the tribological properties of hip implants by utilizing orbital bearing hip wear simulator technology to reproduce walking kinematics using flexion/extension, abduction/adduction, and internal/external rotation. Bovine serum at different protein concentrations is used to simulate physiological conditions. Tests are often performed side by side with a predicate to allow for appropriate comparison of results. 

For more information about our orthopedic implants or medical device testing, contact our experts today.

hip implant testing

Standards we test to

American Association for Laboratory Accreditation


American Society for Testing and Materials

ASTM F1440, ASTM F1612, ASTM F1714, ASTM F1814, ASTM F1820, ASTM F1875, ASTM F2009, ASTM F2582

International Organization for Standardization

ISO 14242, ISO 7206-4, ISO 7206-6, ISO 7206-8

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