Table 1 Design requirements for the laparoscopic instrument

From: A deflectable video camera system for laparoscopic surgery based on shape memory alloy actuators

Parameter

Value

Target angle

≥ |± 90°|

Bending radius

≤ 25 mm

Working length

310–420 mm

Outer diameter

≤ 10 mm

Operation time

≥ 4 h

Device temperature

≤ 50 °C