Intervertebral Fusion Cages Torsion Fatigue Tester

• 

Standard

• YY/T 0959-2014 (China): Specifies torsional 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 torsional loading.
• ISO 12189-1: Additional compliance for mechanical testing of spinal implant components.

Product Advantages

1. Bidirectional Torsion Control: Advanced electromagnetic actuator maintains R=-1 load ratio (fully reversed torsion) with ±0.1% accuracy.
2. 5 Million Cycle Endurance: Proven capability to complete YY/T 0959’s 5×10⁶-cycle fatigue test without calibration drift.
3. Dynamic Angle Control: 0.001° resolution ensures precise replication of physiological spinal motion.
4. Real-Time Fracture Detection: AI-powered acoustic emission monitoring identifies micro-cracks at sub-millisecond intervals.
5. Intuitive Workflow: 21.5” capacitive touchscreen with gesture control and pre-loaded SOPs for 8+ implant geometries.
6. Modular Environmental Chambers: Quick-swap pods for simulated physiological (-20°C to +50°C) and corrosive environment testing.

Product Features

• Electromagnetic Servo Motor: 50 Nm peak torque capacity with programmable load ratios (R=-1 to R=0.1).
• Torsional Actuator: ±180° rotation range with 0.001° angular resolution.
• Dynamic Load Control: 0.1–5 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-Speed Imaging Ready: Syncs with external cameras for full-field strain mapping (DIC optional upgrade).
• Safety First: Triple-redundant 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)
   • Laser-aligned loading anvils with diamond-like carbon (DLC) coating
2. Thermal-Mechanical Chamber:
   • 15L capacity with rapid cooling/heating (15°C/min)
   • 316L stainless steel interior with HEPA filtration
3. TorsionMaster Pro Software:
   • Automated S-N curve generation and fatigue limit calculation
   • 21 CFR Part 11-compliant audit trail with blockchain timestamping
   • Remote monitoring via dedicated iOS/Android app
4. Operator Kit:
   • Calibrated torque wrench set (0.5–50 Nm)
   • Specimen alignment gauges (ASTM F2077 compliant)
5. Calibration Bundle:
   • NIST-traceable torque calibration weights
   • Angular encoder verification tool
6. Safety Kit:
   • Laser safety curtains
   • Acoustic enclosure with 30 dB noise reduction

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