A medical assembly that includes a medical device including a handle having an actuator, a shaft extending distally from the handle, and a sensor at a distal end of the shaft. The distal end of the shaft is coupled to the actuator by a wire extending through the shaft, and the sensor is configured to measure data indicative of the distal end of the shaft moving from a first position to a second position. The actuator is configured to articulate the distal end of the shaft based on the data measured by the sensor to move the distal end from the second position to the first position.