Wilson Sonsini Goodrich & Rosati
Ultrasound assembly for use with light activated drugs
 A kit and method for causing tissue death within a tissue site is disclosed. The kit includes a media with a light activated drug activatable upon exposure to a particular level of ultrasound energy. The kit also includes a catheter with a lumen coupled with a media delivery port through which the light activated drug can be locally delivered to the tissue site. The ultrasound transducer is configured to transmit the level of ultrasound energy which activates the light activated drug with sufficient power that the ultrasound energy can penetrate the tissue site. 
Ekos Corporation
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James R. Shunro Gary Katsuro
Anderson Tachibana Lichttenegger Tachibana