Patent ID: 8690818

Claim:
A catheter for providing a therapeutic effect to a vessel of a body, the catheter comprising: an elongated body having an exterior surface and a lumen located within the elongated body, the lumen hydraulically coupled with a plurality of drug delivery ports formed in the exterior surface of the elongated body; a plurality of piezoelectric ceramic elements, where each of the plurality of piezoelectric ceramic elements is separated from an adjacent piezoelectric ceramic element and positioned between adjacent drug delivery ports and close enough to the drug delivery ports that a drug delivered from the drug delivery ports is exposed to ultrasound energy delivered from at least one of the piezoelectric ceramic elements, the delivered drug and ultrasound energy providing the therapeutic effect to the vessel; wherein a first portion of each piezoelectric ceramic element is coupled with a common wire and a second portion of each piezoelectric ceramic element is coupled with a different wire; and a plurality of temperature sensors, wherein each of the plurality of temperature sensors are connected through a common wire.