Disclosed herein is an integrated therapeutic and imaging catheter. The catheter comprises an inner member defining a guidewire lumen, a radiopaque balloon assembly, a treatment device operatively associated with an outer sleeve of the balloon assembly, and an imaging device adjacent the balloon assembly. The balloon assembly comprises an inner sleeve surrounding the inner member and an outer sleeve surrounding the inner sleeve. The catheter includes a connection medium, wherein when the connection medium extends through the balloon it is disposed between the balloon inner sleeve and the inner member. The imaging device is disposed adjacent to the balloon assembly and is coupled to the connection medium.
