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Applicators that house and support ultrasound transducers for transcutaneou delivery of ultrasound energy

  • US 20090318813A1
  • Filed: 08/26/2009
  • Published: 12/24/2009
  • Est. Priority Date: 08/24/2000
  • Status: Abandoned Application
First Claim
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1. An applicator for transcutaneous delivery of ultrasound energy comprisingan ultrasound transducer adapted and configured to be electrically coupled to an ultrasound generator, the ultrasound transducer including an acoustic stack having a front mass radiating surface, the front mass radiating surface having a periphery and a gravity plane,a housing that carries the acoustic stack for use, the housing also carrying a bladder that is spaced from the front mass radiating surface and adapted and configured for contact with a skin surface and forming a chamber between the bladder and the front mass radiating surface, the chamber being adapted and configured to contain an acoustic coupling media, the housing also including a well region extending outward about the entire periphery of the front mass radiating surface and at a position above the gravity plane to collect away from the front mass radiating surface, and without discharge from the chamber, air bubbles forming in the acoustic coupling media, to minimize localized skin surface heating effects, andan element that supports the acoustic stack within the housing, being adapted and configured to expose the front mass radiating surface to the acoustic coupling media, anda hydrophilic material on the front mass radiating surface to shed air bubbles.

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