Method of ultrasonic detection and localization of contrast...

Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation

Reexamination Certificate

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C600S437000, C600S408000, C600S407000, C600S443000, C600S439000

Reexamination Certificate

active

07981040

ABSTRACT:
A method of ultrasonic detection and localization of contrast agent microbubbles wherein the decision as to whether or not the received ultrasonic signals indicate the presence of a single microbubble or a small microbubble population is made by analyzing the projections of the spectra of said received ultrasonic signals in multidimensional spaces, and by comparing such projections with the projections in said multidimensional spaces of sample control signals corresponding to known conditions of presence and/or absence of single microbubbles and/or small microbubble populations.

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M. Ahmed et al., “Tissue Characterization Using Radial Transform and Higher Order Statistics”, Nordic Signal Processing Symposium, (Jun. 2000).
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