STEMart - Hip Joint Prostheses Testing Service

STEMart performs a variety of testing for partial and total hip joint prostheses to measure how they will withstand different levels of fatigue, compression, torsion, and bending over an extended period of time.

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pplicable Standards

ASTM
ISO

Test Capabilities

Fatigue Testing

Hip stem fatigue testing
Femoral neck fatigue testing
Insert fatigue testing

Torsion Testing
Compression Testing: Determine the static compressive or tension loads which cause failure of the femoral neck and head assembly.
Deformation Testing: Determine the diameter of acetabular shell in loading direction prior and while loading as well as after unloading.
Disassembly Force Determination

Determine the force required to disassemble taper connections of modular prostheses;
Determine the force required to disassemble modular acetabular devices.

Impingement Testing: Quantitatively assess the damage modes after simulate dynamic impingement between femoral and acetabular components in a hip prostheses.
Fretting Corrosion Testing: Measure the production of corrosion products after mechanical fatigue testing to determine the amount of surface deformation and debris generated.
Range of Motion Assessment
Wear Testing: Characterize the tribological properties of a hip implant system by simulating walking kinematics.

STEMart - Hip Joint Prostheses Testing Service

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