Ultrasonic imaging system capable of displaying 3-dimensional an

Details Ultrasonic imaging system capable of displaying 3-dimensional an Ultrasonic imaging system capable of displaying 3-dimensional an

1992-07-27

1994-02-01

Kamm, William E.

Surgery

Truss

Pad

12866109, 128916, 12866005, A61B 806

Patent

active

052824713

ABSTRACT:
In an ultrasonic imaging system, an ultrasonic angiographic image of a blood vessel, equivalent to an X-ray angiographic image, is produced in a real time by utilizing an IIR digital filter with a ROM and a frame memory. The ultrasonic imaging system comprises: a scanning unit for scanning a biological body under medical examination within a three-dimensional scanning plane involving the biological body by utilizing ultrasonic pulses to obtain echo signals produced from echo pulses reflected from the biological body; an ultrasonic image data producing unit for producing a plurality of ultrasonic scanned image data about the scanned biological body with regard to the respective scanning planes in response to the echo signals; a bloodflow-distribution image data producing unit for producing a plurality of bloodflow-distribution image data about the scanned biological body with regard to the respective scanning planes in response to the echo signals; a storage unit for temporarily storing the plurality of bloodflow-distribution image data, while sequentially updating and superimposing the plural bloodflow-distribution image data with each other during a predetermined scanning period.

REFERENCES:
patent: 4747411 (1988-05-01), Ledley
patent: 5072734 (1991-12-01), Takeuchi
patent: 5090411 (1992-02-01), Higuchi
patent: 5188113 (1993-02-01), Sato et al.
Duplex Scanner II: For Simultaneous Imaging of Artery Tissues and Flow, by Barber et al., Ultrasonics Symposium Proceedings, IEEE 1974, pp. 744-748.

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