1.5 Times Magnification--This model is composed of the fourth and fifth lumbar vertebrae with 1.5 times magnification and the intervertebral disc spinal nerve. The intervertebral disc is made of soft elastomer, which is convenient for users to demonstrate.Clear Distribution--The model of lumbar disc herniation shows what happens to the distribution of human intervertebral discs when the human body bends and curls.Widely Use--This model is widely used in orthopaedics, surgery, clinical teaching, occupational disease prevention, ergonomics, physical education and so on. It has good auxiliary teaching and demonstration function.Light Weight--The product is light in weight and convenient for teaching and demonstration.Almost Real State--This model is very close to the real state of human body structure.