Halo-Fixators - ASTM F1831

Standard specification for cranial traction tongs and halo external spinal immobilization devices


The ASTM F1831 standard represents the best currently available test procedures for halo and tong external spinal immobilization devices.

Basic test methods for mechanical integrity cover:                    

  • Cranial traction tongs
  • Halo rings and attachment bails
  • Halo superstructures