[Experiences with external fixation of the cervical spine in the halo-yoke system].

The Halo-Yoke-System allows an external fixation, reposition and immobilisation of the cervical spine. Indications for application of application of Halo-Yoke exist in conservative or operative treatment of acute traumatic lesions and protection of results after surgical treatment in cases of instability of different etiology (tumour, spondylitis, rheumatoid arthritis, congenital deformities). The experience basing on 28 own cases is reported.