A deflectable catheter including an outer member having a proximal portion and a distal portion, an elongated column member extending distally from the outer member and an inner member positioned coaxial with the outer member and attached to the column member. Furthermore the invention concerns a vehicle drive unit with a propeller device, and also an energy conversion unit with a propeller device. Each exchange ID includes bits and bits are used to identify each of the present backend ports, where m\u22662n. Fence components are designed to be light weight while having a substantial resistance to bending forces. The relationship between these elements in the film assemblage of the present invention is fully disclosed. Channel length can also be tailored by trimming spacers in one of the regions prior to sourcedrain doping.