Features:
1. Be used for insertion and puncture exercise of abdominal wall trochar;
2. Obvious anatomical layer, elastic skin and realistic touch feeling; realistic resistance feeling can be felt as needle penetrates into the skin, and characteristic of “pop” can be felt when needle has been penetrated into the skin;
3. Observe the whole insertion process of trochar through the transparent base;
4. Insertion with various types of trochar.
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