Bụng truy cập vào các đốt sống cổ tử cung trên và dưới mà không có khả năng intraoperative, bên ngoài đặt lại vị trí các biện pháp: 4 tụ điểm gãy xương, tụ điểm pseudarthrosis 4 tổn thương posttraumatic, sai lệch và gãy xương ở cổ tử cung đốt sống trên và dưới 4 khối u, viêm cột sống, spondylodiscitis 4 thay đổi thoái hóa của cổ tử cung thấp hơn | 15 Cervical spine -186 Supine position CRP horseshoe-shaped headrest - 186 Supine position skull clamp - 188 Supine position spine holding unit MAQUET - 190 Prone position CRP horseshoe-shaped headrest - 192 Prone position spine holding unit skull clamp - 194 Thoracic spine lumbar spine - 196 Prone position - 196 Lateral position -198 Supine position - 200 186 Chapter 15 Spine surgery Cervical spine Supine position CRP horseshoe-shaped headrest D Figs. . Indications Ventral access to the upper and lower cervical vertebrae without the possibility of intraoperative external reposition measures for 4 dens fractures dens pseudarthrosis 4 posttraumatic lesions misalignment and fractures in the upper and lower cervical vertebrae 4 tumours spondylitis spondylodiscitis 4 degenerative changes of the lower cervical vertebrae Preparations 4 Arm positioning devices 4 CRP horseshoe-shaped headrest 4 Shaving in the area of the incision and preoperative skin cleansing Positioning 4 Standard operating table position 1 position 2 or universal operating table 4 Anaesthetic preparation and induction in supine position with 2 adapted arm positioning devices 4 Normal positioning of the operating table in the theatre 4 When positioning the patient take appropriate measures to prevent decubitus at areas which are subjected to pressure 4 Fix and pre-position the CRP horseshoe-shaped headrest to the head part of the operating table 4 Move the patient towards the head end until the shoulders are at the upper edge of the operating table scapula still on the table 4 Position and fix the head on the CRP horseshoe-shaped headrest 4 Position both arms at the body with arm protection or secure the arms possibly fixing with plasters 4 Apply the neutral electrode and connect to the HF surgery device 4 Arrange absorbent drapes or self-adhesive covers for preoperative skin disinfection 4 Position the .