Thoracic-lumbar vertebra pedicle screw 3112 series

polyaxialtitanium

CoCrMo material has higher strength than titanium alloy material under the same size and design; Compared with the titanium alloy pedicle screw of the 5.5 system, the CoCrMo pedicle screw in the 4.75 system can reduce the volume by about 26%, reducing the notch of the implant; The reverse thread design of the top wire reduces the lateral stress, increases the vertical pressure, and is easy to lock; CBT screws: maximum contact with cortical bone increases screw holding power Indications: · Disc degeneration · Spondylolisthesis · Spinal stenosis · Spinal fractures ·Spine tumor · Spinal deformities