Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2007-06-12
2010-06-22
Le, Long V (Department: 3768)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C367S135000, C310S31300R
Reexamination Certificate
active
07740586
ABSTRACT:
A hand held ultrasonic instrument is provided in a portable unit which performs both B mode and Doppler imaging. The instrument includes a transducer array mounted in a hand-held enclosure, with an integrated circuit transceiver connected to the elements of the array for the reception of echo signals. A digital signal processing circuit performs both B mode and Doppler signal processing such as filtering, detection and Doppler estimation, as well as advanced functions such as assembly of multiple zone focused scanlines, synthetic aperture formation, depth dependent filtering, speckle reduction, flash suppression, and frame averaging.
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Doherty Terrance R.
Hwang Juin-Jet
Jones Geoffrey H.
Pflugrath Lauren S.
Fulbright & Jaworski L.L.P.
Le Long V
Selkin Saurel J
SonoSite Inc.
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