Research Article

Titanium-Nickel Shape Memory Alloy Spring Actuator for Forward-Looking Active Catheter

Figure 8

Actuation test results of the forward-looking active catheter: (a) snapshots of the catheter tip driven in five directions by applying current of 300 mA to several actuators; (b) the relationship between the applied current and resultant displacement.
685429.fig.008a
(a)
685429.fig.008b
(b)