A catheter comprises an elongated shaft having a proximal shaft section and a shapeable shaft section distal to the proximal section, an inner lumen extending within the proximal and shapeable shaft sections a shaping member slidably disposed within the inner lumen and extends into the shapeable shaft section a shape memory member adjacent to the shaping member in the inner lumen of the shapeable shaft section, wherein the shaping member and the shape memory member are coupled by a coupling coil and a handle having an operating lever, wherein the handle receives the proximal shaft section and the shaping member for operating the shapeable shaft section.
