[Halo-traction efficacy in surgery on the cervical spine].

The paper deals with the use of a halo-apparatus in lesions and diseases of the cervical vertebra. The halo-apparatus was used in 70 patients. It was most commonly employed in lesions of the upper cervical vertebra, such as fractures of the odontoid process and C2 vertebral arches. Analyzing the clinical findings showed halo-traction to be highly effective.