Ultrasonic manometry process in a fluid by means of microbubbles

Details Ultrasonic manometry process in a fluid by means of microbubbles Ultrasonic manometry process in a fluid by means of microbubbles

1991-12-12

1993-03-23

Jaworski, Francis

Surgery

Truss

Pad

12866202, A61B 800

Patent

active

051955202

ABSTRACT:
The invention relates to an ultrasonic manometry process in a fluid containing stabilized micro bubbles in an ensemble, wherein ultrasonic impulses are radiated into the fluid and brought to interact with the micro bubbles. The amplitude and/or frequency alterations in the ultrasonic scatter signals are recorded and evaluated compared with the ultrasonic impulses radiated in and/or previously recieved. Preparations for measuring blood pressure which can be used with the manometry process are described.

REFERENCES:
patent: 4265251 (1981-05-01), Tickner
patent: 4466442 (1984-08-01), Hilmann et al.
patent: 4681119 (1987-07-01), Rasor et al.
Fairbank, W. M. et al., "A New Non-Invasive Technique for Cardiac Pressure Measurement", IEEE BME Trans. vol. BME-24, No. 2 (Mar. 1977) (pp. 107-110).

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