Patent ID: 7628785
Filing Date: 2009-12-08
Classification: A61B

Abstract:
1. A medical treatment device, comprising: a distal end portion opposite a proximal end portion, the proximal end portion being operable to connect to operator equipment outside a patient's body, the distal end portion having a longitudinal axis and being operable to extend through a passageway of a patient's body to an internal body region; a balloon located at the distal end portion; a conduit in fluid communication with the balloon, the conduit extending from a balloon control port at the proximal end portion to the balloon; a view port at the distal end portion to visualize the internal body region, the view port being operatively coupled to an image communication pathway extending between the distal end portion and the proximal end portion; and an acoustic ablation array positioned inside the balloon, the array including several piezo electric elements positioned about the longitudinal axis of the distal end portion; wherein the elements are each elongate with a longitude generally parallel to said longitudinal axis, with the length of each elongate element being greater than its width; the array being operatively coupled to control cabling, the control cabling extending between the distal end portion and the proximal end portion and being effective to carry control signals to activate one or more of the elements in a different manner than one or more other of the elements to correspondingly focus acoustic energy relative to the internal body region.