A catheter device for crossing occlusions is described. The device comprises: an elongate body； a central lumen extending within the elongate body from a proximal end of the elongate body to a distal end of the elongate body； a rotatable tip at the distal end of the elongate body and configured to rotate relative to the elongate body； an OCT imaging sensor comprising an optical fiber coupled with the rotatable tip and configured to rotate therewith, wherein the distal end of the elongate body comprises one or more markers configured to occlude the OCT imaging sensor as it rotates； and a shapeable jog in the elongate body proximal to the distal end of the catheter, the shapeable jog positioning the distal end of the catheter at an angle relative to the region of the catheter proximal to the shapeable jog.
