ULTRASOUND TRANSDUCER DEVICES AND METHODS

Abstract: an ultrasound transducer may include: a plurality of capacitive ultrasound transducer elements; and a base having a largest dimension sized and shaped to be disposed with an external ear canal, wherein the plurality of capacitive ultrasound transducers is mounted on the base. each capacitive ultrasound transducer element and the ultrasound transducer are specifically constructed to achieve select desired performance characteristics. the ultrasound transducer may have an angular beam spread through a gaseous medium of greater than 15 degrees and an attenuation loss through the gaseous medium of greater than 10 db measured at a distance 12.5 mm to 25 mm along a primary transmission axis of the ultrasound transducer. the ultrasound transducer may be particularly useful for characterizing fluid behind an ear drum to diagnose otitis media.

Inventor(s): Mark A. MOEHRING, Danny KREINDLER, George A. GATES, Caitlin E. CAMERON

CPC Classification: A61B8/4281 ({characterised by sound-transmitting media or devices for coupling the transducer to the tissue})

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