An ultrasound catheter includes a hollow body and a plurality of ultrasound sensing regions. The hollow body is made of a flexible circuit board. The ultrasound sensing regions are disposed on a periphery of the hollow body, wherein each of the ultrasound sensing regions has a plurality of channels and the channels of each ultrasound sensing region are arranged along an axial direction of the hollow body.一種超音波導管，包含一中空管體以及複數個超音波感測區。中空管體由一可撓性電路板製成。超音波感測區設置於中空管體之周圍，其中每一個超音波感測區具有複數個通道，且每一個超音波感測區之通道沿中空管體之一軸向排列。
