A filter disposed at the distal end of an elongate guidewire. The device further includes an electronic servo-control module of the motor, and a flexible connection for electrically connecting the instrument to the electronic module. The system includes a called phone module including a called phone user interface and instructions when executed cause a processor to determine the importance level of the call based on the data message and provide a signal to the called phone user interface concerning the importance level of the call. A manual push structure is defined in the body generally opposite from the opening.