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Title:
ULTRASONIC PROBE
Document Type and Number:
Japanese Patent JPH04105645
Kind Code:
A
Abstract:

PURPOSE: To suppress a false Doppler reception signal by a side robe by making an irradiation beam from a second probe cross at one point of a scan surface of a scan image scanned with a first probe.

CONSTITUTION: First and second probes 3 and 4 are housed into a roughly rectangular casing 13 and made up of a plurality of vibrators 14, 14.... The vibrators 14, 14... are connected to a cable 15 through an electrode and then, to a transmitting/receiving circuit to form an electronic linear scanning or the like. Array-wise axes 16 of the vibrators 14, 14... of the first probe 3 correspond to a direction of undergoing an electronic linear scanning and coincide with a sectional scan surface 11. Moreover, the array-wise axes 17 of the vibrators 14, 14... of the second probe 4 correspond to a direction of undergoing the linear scanning likewise and coincides with a Doppler scan surface 12. The array-wise axis 16 of the first probe 3 and the array-wise axis 17 of the second probe 4 are so arrange to cross at a specified angle θ.


Inventors:
OTA MASAYA
SAKURAI HIDEO
KATO SEIJI
KAWATO MASAHARU
Application Number:
JP22333390A
Publication Date:
April 07, 1992
Filing Date:
August 24, 1990
Export Citation:
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Assignee:
NEC SAN EI INSTRUMENTS
International Classes:
G01P5/00; A61B8/00; A61B8/06; A61B8/14; G01N29/24; (IPC1-7): A61B8/00; A61B8/06; A61B8/14; G01N29/24; G01P5/00
Attorney, Agent or Firm:
Hidekuma Matsukuma