STEERING MECHANISM

摘要

A steering mechanism (110,210,310,410) includes an elongate housing (112,212,312,412) and an actuation system adapted to control movement of a steerable member of a medical device. The housing is couplable to the steerable member. The actuation system (370,470) is coupled to the housing and includes an actuator (122,222,323,423), a first cam (330,430), and a second cam (350,450). The actuator can move the first cam as the actuator is moved along a first axis, thereby moving the steerable member along a first plane. The actuator can move the second cam as the actuator is moved along a second axis, thereby moving the steerable member along a second plane different than the first plane.