An intraluminal ultrasound imaging device includes a flexible elongate member configured to be inserted into a body lumen of a patient, the flexible elongate member comprising a proximal portion and a distal portion. The device also includes an ultrasound scanner assembly disposed at the distal portion of the flexible elongate member. The ultrasound scanner assembly includes a flexible substrate； a transducer region positioned on the flexible substrate； and a control region positioned on the flexible substrate, wherein the transducer region and the control region are radially arranged relative to one another. Associated devices, systems, and methods are also described.
