Polyaxial screw Ø8,5 mm, length 30 to 140 mm, pitch 5 mm, article no. 831.7XXXX

Application: for internal spinal fixation in discectomy and spinal fusion procedures as a means of providing immobilisation and stabilisation of spinal segments in the treatment of various spinal instabilities or deformities. Threads are self-tapping. Tapping grooves at the tip of the screw. Internal hexagonal bore. Head type - chambered. Head cross-sectional shape is round. The connection between the head and the screw is not detachable. There is a possibility of taper deflection of the screw head to the side up to 25?. Ring groove on the head for connection of the pressuriser. Laser marking of the screw diameter. Sterilisation required.