Ultrasonic flowmeter

Details Ultrasonic flowmeter Ultrasonic flowmeter

1992-03-30

1993-04-13

Jaworski, Francis

Surgery

Truss

Pad

7386125, A61B 806

Patent

active

052013138

ABSTRACT:
A flowmeter based on an arrayed ultrasonic transducer operates to produce reception signals of a plurality of reception beams in parallel alignment from detected signals of reflection sound waves provided by transducer elements, performs moving target indication among the reception signals created by the repetition of transmission and reception, and thereafter performs Fourier transformation in the direction of beam alignment and direction of repetitive transmission and reception, and evaluates an axial velocity component and lateral (transverse) velocity component of a moving object from the resulting signal distribution.

REFERENCES:
patent: 4265126 (1981-05-01), Papadofrongakis et al.
patent: 4930513 (1990-06-01), Mayo et al.
patent: 4979513 (1990-12-01), Sakai et al.
patent: 5010528 (1991-04-01), Ohtsuki et al.
Japanese Journal of Medical Ultrasonics; 1982 No. 5 (Proceedings of the 40th Meeting, Tokyo May 23-25, 1982).
Newhouse, V. L. "Transverse Doppler Summary", Drexel University May 1989.

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