Intervertebral Fusion Cages Shear Fatigue Tester

• 

Standard

• YY/T 0959-2014 (China): Specifies shear fatigue testing protocols for intervertebral fusion devices, including load ratios, frequency, and failure criteria.
• ASTM F2077-17 (International): Defines methodologies for evaluating the fatigue strength of intervertebral body fusion devices under shear loading.
• ISO 12189-1: Additional compliance for mechanical testing of spinal implant components.

Product Advantages

1. Multi-Angle Shear Control: Dual-axis actuator system provides 0°–45° adjustable shear plane orientation.
2. Dynamic Load Precision: Electromagnetic servo motor maintains R=0.1 load ratio with ±0.05% accuracy.
3. 5 Million Cycle Endurance: Proven capability to complete YY/T 0959’s 5×10⁶-cycle fatigue test without calibration drift.
4. Real-Time Deformation Monitoring: 3D digital image correlation (DIC) tracks micro-strains during testing.
5. Biorelevant Environment: Temperature-controlled (37±1°C) lubrication bath with 20±2 g/L protein concentration.
6. Modular Test Chambers: Quick-swap pods for simulated physiological (-20°C to +50°C) and corrosive environments.

Product Features

• Electromagnetic Servo Motor: 10 kN axial/shear force capacity with programmable load ratios (R=0.1–10).
• Adjustable Shear Plane: Motorized 0°–45° tilt mechanism with laser alignment system.
• Dynamic Load Control: 0.1–10 Hz frequency range with programmable waveforms (sine, square, random, custom).
• Thermal-Mechanical Chamber: ±0.3°C temperature stability with integrated humidity control (10–95% RH).
• High-Resolution Imaging: Built-in 5MP camera system for crack propagation analysis.
• Safety System: Emergency stop, overload clutches, and laser-based specimen breakage detection.

Technical Parameters

Accessories

1. Spinal Implant Fixture Kit:
   • Self-centering collet system (8–20 mm implant diameter compatibility)
   • Adjustable shear blades with diamond-like carbon (DLC) coating
2. Thermal-Mechanical Chamber:
   • 20L capacity with rapid cooling/heating (15°C/min)
   • 316L stainless steel interior with HEPA filtration
3. ShearMaster Pro Software:
   • Automated S-N curve generation and fatigue limit calculation
   • 21 CFR Part 11-compliant audit trail with blockchain timestamping
   • Remote monitoring via iOS/Android app
4. Operator Kit:
   • Calibrated torque wrench set (1–50 Nm)
   • Specimen alignment gauges (ASTM F2077 compliant)
5. Calibration Bundle:
   • NIST-traceable force calibration weights
   • Angular encoder verification tool
6. Safety Kit:
   • Laser safety curtains
   • Acoustic enclosure with 30 dB noise reduction

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