? It is safety and reliable for puncture by positioning of puncture conical and conversion cap.
? Non-cutter design minimally invasive puncture, can prevent abdominal wall and vascular to be injured.
? Anti-slip thread design casing, make it firmly fixed on abdominal wall and the depth can be controlled.
? The silicone sealing ring with good airtight, make the puncture with small resistance.
? For single use,it is effect to avoid the cross infection in laparoscopic surgery.



































