Acoustic imaging device

Details Acoustic imaging device Acoustic imaging device

1994-04-25

1995-07-25

Jaworski, Francis

Surgery

Truss

Pad

73602, A61B 800, G01N 2900

Patent

active

054353122

ABSTRACT:
This invention provides an acoustic imaging device which utilizes scattered acoustic wave information to produce an image. The system consists of an array of acoustic transducers which at least partially encircle a medium to be imaged. The medium is sequentially insonified by each transducer with an acoustic signal comprised of at least one discrete frequency. The acoustic signal scatters from the medium and is detected by the remaining transducers. A data set representing the phase and amplitude of each discrete frequency at each transducer is acquired and used by a computer to calculate an image of the medium. Images acquired and calculated at each identifiable discrete frequency are combined in various ways in order to improve the quality of the final image of the medium.

REFERENCES:
patent: 4169257 (1979-09-01), Smith
patent: 4222274 (1980-09-01), Johnson
patent: 4594622 (1986-06-01), Devaney
patent: 4598366 (1986-07-01), Devaney
patent: 4662222 (1987-05-01), Johnson
patent: 5150336 (1992-09-01), Sullivan et al.
patent: 5309409 (1994-05-01), Jones et al.

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