This 5 mm x 30 cm robotic instrument cannula is an essential sterile conduit engineered to guide Endowrist surgical tools safely through the abdominal wall into the operative field on Arm 2. Its robust curved wall design preserves an absolute gas-tight boundary under active mechanical tool rotation, completely blocking pneumoperitoneum leakage bugs. Packaged sterile, it features precise OEM tracks for seamless integration with da Vinci Si robotic patient-side cart arms.