Spinal Internal Fixation System Assembly Testing Machine

The Spinal Internal Fixation System Assembly Testing Machine is a specialized device used to evaluate the mechanical performance of spinal fixation assemblies, including screws, rods, plates, and connectors. It simulates physiological loads such as compression, tension, bending, and torsion to assess the strength, fatigue resistance, and durability of spinal implant systems under realistic conditions.

Standards

(1)YY/T 0961

(2)ASTM F1798

These standards specify test methods for evaluating the uniaxial static and fatigue strength of spinal internal fixation systems, as well as the resistance to loosening of assembly connection devices. The purpose is to provide a mechanical performance evaluation method for spinal implant connection devices of different designs.

Application

The Spinal Internal Fixation System Assembly Testing Machine is designed to evaluate the mechanical performance, stability, and assembly integrity of spinal implants. Typical applications include:

Orthopedic implant testing: Assess the strength, stiffness, and fixation stability of assembled pedicle screws, rods, plates, and cages.

Quality control: Ensure consistent performance and proper assembly of spinal fixation devices during manufacturing.

Research and development: Optimize implant design, materials, and connection mechanisms for improved biomechanical performance.

Standards compliance: Conduct tests in accordance with ISO 12189. ASTM F1717. and other relevant international guidelines to verify assembly reliability.

This machine ensures spinal fixation systems meet mechanical and structural requirements for safe clinical use.

Specifications

Accessories

(1)Specimen Fixtures: Securely hold pedicle screws, rods, plates, and other implant components.

(2)Load Frame/Actuator: Applies controlled axial, torsional, or bending loads to the assembly.

(3)Data Acquisition System: Records forces, displacements, and deformation during testing.

(4)Calibration Tools: Ensure accuracy of sensors and measurement devices.

Test Procedures

Specimen Preparation: Assemble spinal fixation devices according to manufacturer or standard specifications.

Machine Setup: Mount the assembly, connect sensors, and configure test parameters.

Load Application: Apply axial, bending, or torsional loads per defined standards until failure or target cycles.

Data Recording: Continuously monitor and log forces, displacement, and assembly response.

Maintenance Information

Daily Cleaning: Wipe fixtures, load frames, and sensors to remove debris or residues.

Calibration: Regularly calibrate force and displacement sensors for accurate results.

Inspection: Check for wear or damage on mechanical components and electrical connections.

Lubrication & Storage: Lubricate moving parts if required and store in a clean, dry environment.

FAQ

1. What is the main purpose of this machine?

It evaluates the mechanical stability, assembly integrity, and performance of spinal internal fixation systems under simulated physiological loads.

2. What types of implants can be tested?

Pedicle screws, rods, plates, cages, and other spinal fixation components assembled as a complete system.

3. How does it simulate real-life conditions?

The machine applies axial, bending, or torsional loads to mimic the stresses and movements experienced by spinal implants in the human body.

4. Which standards does it comply with?

Supports ISO 12189. ASTM F1717. and other international standards for spinal implant assembly testing.

5. How is maintenance performed?

Routine cleaning of fixtures and load frames, calibration of sensors, inspection of mechanical parts, lubrication of moving components, and proper storage in a dry environment.