CE Certified Hip Joint Simulator for Implant Research
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Whats/App: +86 156 1874 6768
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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
| Parameter | Specification |
|---|---|
| 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 |
Features
(1) Multi-station design allows 6 or 12 hip joints to run simultaneously.
(2) Anatomically accurate mounting reproduces physiological gait loading.
(3) Dual-axis motion (Flexion-Extension + Abduction-Adduction) with a π/2 phase difference.
(4) Dynamic double-peak load curve closely approximates real walking load profiles.
(5) Servo-pneumatic loading ensures stable operation with minimal maintenance.
(6) Mechanical cam generates load curve, avoiding complex real-time control systems.
(7) High repeatability of sample positioning allows intermittent inspection and continuous testing.
(8) Large-volume lubricant reservoir reduces the risk of overheating serum-like lubricants.
Accessories
Femoral head fixture – anatomical positioning.
Acetabular cup fixture – repeatable positioning.
Servo-pneumatic loading assembly – shared air circuit.
Force sensor – monitors main station load.
Lubricant reservoir – acrylic, 500 ml capacity.
Lubricant – serum or simulated body fluid.
Interchangeable cam assembly – adjusts load curve.
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