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Multi-Station Hip Joint Simulator

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Email:info@qinsun-lab。com

Web: qinsun-lab.com

The Multi-Station Hip Joint Simulator is a specialized tribological testing device designed to simulate friction and wear behavior of artificial hip joints under physiological gait conditions. Driven by motors and servo-pneumatic loading systems, it reproduces anatomically realistic motions of the femoral head against the acetabular cup with dynamic bi-axial loading. The simulator supports multiple stations running in parallel, providing a cost-effective solution for long-term wear testing, research, and quality evaluation of hip implants.

Standards

ASTM F732 – Reciprocating Pin-on-Plate Wear Test (applied to joint simulators).

Parameters

ParameterSpecification
Test Configuration Acetabular Cup / Femoral Head
Number of Stations 6 or 12
Test Frequency 1.06 Hz (50 Hz power) / 1.27 Hz (60 Hz power)
Maximum Load 3 kN (6 stations) / 2 kN (12 stations)
Minimum Load 0.4 kN
Average Load 1.2 kN
Load Form Double-peak dynamic load
Flexion-Extension (FE) 46°
Abduction-Adduction (AA) 12°
Force Trajectory Shape Elliptical
Force Trajectory Ratio 3.8
Trajectory Length 1.73 × r (r = femoral head radius)
Drive Motor + Mechanical Crank
Motor Power 370 W
Lubricant Volume 500 ml
Controlled Parameters Load, cycle number

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