Patent ID: 7399284
Filing Date: 2008-07-15
Classification: A61B,A61N,B06B,G10K

Abstract:
1. An ultrasonic irradiation apparatus comprising: an ultrasonic irradiator having a living body contact sheet member being ultrasonically conductive and being flexible and/or elastic; and a plurality of ultrasonic transducers arranged in a planar pattern on one plane of said living body contact sheet member, wherein the transducer-arranged plane is apart from a contact plane of said living body, wherein said ultrasonic irradiator has at least one of an air backing layer and a sonic absorbing layer disposed on a back side area of said ultrasonic transducers, wherein said air backing layer and said sonic absorbing layer are substantially non-ultrasonically conductive and formed from materials different from the material constituting said living body contact sheet member, and wherein said ultrasonic irradiator has a detachable soft material layer on a contact plane of the living body contact sheet member, wherein the soft material layer can be heated or cooled and attached on the living body contact sheet member.