Features:
1. Life size infant, side lying on the lamina dura bed, head bend to the chest, bend knees to the abdomen and low back bend, both hands hold knees, also can simulate sitting position
2. Accurate bone markers: obvious interspace of spinous process and posterior superior iliac spine
3. Puncture position: 3-4 lumbar intervertebral space
4. Realistic touch feeling and a characteristic of "pop" can be felt when needle penetrates into veins, outflow of simulated cerebrospinal fluid proves correct puncture position
5. With spare canalis spinalis and puncture needle