A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
349/36, 349/39
A61B 8/06 (2006.01) G01S 15/89 (2006.01)
Patent
CA 1268245
ABSTRACT: Apparatus for scanning moving objects, notably flowing blood, by means of ultrasound echography. An apparatus for scanning moving objects, no- tably flowing blood, by means of ultrasound echography in order to determine movement parameters of such objects. The apparatus comprises at least one ultrasound trans- ducer which is connected to a stage for the periodic transmission of a pulse signal having a predetermined recurrent frequency F = 1/T and to a stage for receiving echographic signals returned to the transducer and for processing the signals received. In accordance with the invention, the apparatus is characterized in that it comprises a digital processing channel which is succes- sively composed of a circuit (320) for suppressing fixed echoes, a circuit for estimating flow parameters, a dis- criminator circuit (360), a device (370) for storage, scan conversion and colour encoding, and a display de- vice (312).
524010
Bonnefous Odile Marie Andree
Pesque Patrick Rene
Fetherstonhaugh & Co.
Koninklijke Philips Electronics N.v.
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