Patent ID: 7946986

Claim:
A cartridge for use with an ultrasound therapy head, the ultrasound therapy head including a body with a first electrical connector, and first and second fluid connectors, the cartridge comprising: a sealed substantially liquid tight enclosure, the enclosure being removably mountable to the body and having an interior and an acoustic window; a second electrical connector being removably connectable to the first electrical connector; an ultrasound transducer mounted in the interior and in electrical communication with the second electrical connector, the transducer configured and arranged, when the cartridge is connected to the body, to deliver ultrasonic energy through the acoustic window when energized via the first and second connectors; a transducer coupling liquid sealed within the liquid tight enclosure; and a fluid heat exchanger mounted in the interior and having third and fourth fluid connectors removably connectable to the first and second fluid connectors, respectively, the fluid heat exchanger configured to receive, when the cartridge is connected to the body, a flow of fluid via the fluid connectors, the flow of fluid for cooling the coupling fluid; the cartridge being configured so that the cartridge is connectable to the body, with the first electrical connector connecting to the second electrical connector and the first and second fluid connectors connecting to the third and fourth fluid connectors, respectively, without removing the transducer from the sealed enclosure.