Ultrasonic method and apparatus for tissue characterization and

Details Ultrasonic method and apparatus for tissue characterization and Ultrasonic method and apparatus for tissue characterization and

1987-03-09

1988-09-20

Jaworski, Francis J.

Surgery

Truss

Pad

73602, A61B 1000

Patent

active

047717866

ABSTRACT:
A method and apparatus for tissue characterization and imaging of nonlinear parameter data include an array of ultrasonic transducer elements to transmit ultrasonic pulses along a beam toward the tissue and to receive echoes of the ultrasonic pulses. The ultrasonic transducer elements are driven so that the ultrasonic pulses are transmitted at different power levels. The echoes of the ultrasonic pulses are analyzed at each of the different power levels to obtain the nonlinear parameter data along the beam. The beam is scanned in a two-dimensional plane of the tissue. The nonlinear parameter data is displayed according to the two-dimensional plane.

REFERENCES:
patent: 4566460 (1986-01-01), Sato et al.
patent: 4664123 (1987-05-01), Iinuma

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