Ø  High performance to maintain pneumoperitoneum--- 5 layers sealing design to prevent  leakage  (BIG10 type)

Ø  More unhindered with less force during operation--- Special design of overlapped sealing valve

Ø   Single hand operation—Reversed Christmas Threads design and convenient for specimen retrieval by separated general adaptor.

Ø  Higher cost performance ---reasonable price and expensive imported raw materials

Ø  Great compatibility --- Compatible with instruments diameter from 5mm-10.9mm.(BIG10LT)

Ø  Smaller cut wound with less hernia risk and faster healing  --- Special bladeless design

Ø  Lower viscera hurting risk. --- More controllable inserting approach.

Ø  No risk of patient allergic to EO residual—More safety sterilization method, Gamma irradiation.