1. The comprehensive clinical needs of the products are scientifically customized, with a full range of specifications; easy to use;
2. The rigidity and toughness of the thoracentesis needle are reasonably positioned, while ensuring the puncture is smoother, it effectively resists the 「isk of being broken, and the structure is convenient for puncture and drainage, and it is easy to grasp the puncture depth;
3. The unique design of the tray structure is conducive to the protection and access of accessories.