An imaging catheter assembly is provided. In one embodiment, the imaging catheter assembly includes a flexible elongate member including a distal portion and a proximal portion； a crown element coupled to the distal portion, wherein the crown element includes an annular ring, a first post and, a second post, and wherein the first post and the second post extend from the annular ring； a first pullwire anchored to the annular ring at the first post and extending along the flexible elongate member from the crown element to the proximal portion of the flexible elongate member； a second pullwire anchored to the annular ring at the first post and extending along the flexible elongate member from the crown element to the proximal portion of the flexible elongate member； and an imaging component coupled to the distal portion.
