Abstract: Disclosed are non-imaging low frequency ultrasound apparatus and methods that extend the range of ultrasonic applications to medical testing and diagnostics. More particularly, apparatus and methods for generating, transmitting and receiving low frequency ultrasound through a test body can be used to generate non-imaging medical mapping of ultrasound signals and medical diagnostics. Typically frequencies below 1 MHz are generated by a low frequency non-imaging wide aperture transmitting transducer and received by multiple low frequency small aperture receiving transducers and processed via improved signal processing to evaluate and map the ultrasound interactions for detecting and characterizing clinical conditions in test objects.

Abstract: Disclosed are non-imaging low frequency ultrasound apparatus and methods that extend the range of ultrasonic applications to medical testing and diagnostics. More particularly, apparatus and methods for generating, transmitting and receiving low frequency ultrasound through a test body can be used to generate non-imaging medical mapping of ultrasound signals and medical diagnostics. Typically frequencies below 1 MHz are generated by a low frequency non-imaging wide aperture transmitting transducer and received by multiple low frequency small aperture receiving transducers and processed via improved signal processing to evaluate and map the ultrasound interactions for detecting and characterizing clinical conditions in test objects.