Patent ID: 8764743

Claim:
A deflectable device comprising an elongated tubing having proximal and distal ends, a central longitudinal axis, at least one lumen extending therethrough, a distal region at or near the distal end of the deflectable device and having a distal region lumen extending therethrough, and an intermediate region between the proximal region and distal region, wherein the tubing includes at least one slot extending part of the way through the tubing in the intermediate region, the at least one slot being generally transverse to the central longitudinal axis of the tubing, wherein the tubing is adapted to reversibly bend from a neutral straight position in a first direction in only a single plane in only a single direction as defined by the at least one slot, the tubing being configured to prohibit bending from the neutral position in a second direction opposite the first direction and to prohibit bending in the first direction by more than about 90° relative to the central longitudinal axis of the tubing; a porous electrode carried on the distal region; and means for deflecting the distal region of the tubing in a plane that passes through the at least one slot.