A medical device for controlling advancement of a needle or other active medical component. An exemplary device includes a needle, a sheath, and a handle. The handle includes an actuator component coupled to a proximal end of the needle and a guide component coupled to a proximal end of the sheath. The guide component slidably receives a portion of the actuator and the guide component allows the actuator to move distally via a plurality of groups of different positions, wherein each of the groups has a different radial value relative to the guide component. The guide component includes a track having a zig-zag pattern.
