Koninklijke Philips Corporation N.v.

Atl Ultrasound, Inc.

Jeremy D Wiggins

David N Roundhill

Jeffry E Powers

Michalakis Averkiou

Juin-Jet Hwang

Cedric Chenal

Peter N Burns

Michael Vion

This invention describes automatically tracing a tissue border in an ultrasonic image which is accomplished by acquiring one or more images, locating anatomical landmarks in the image, fitting a border trace to the anatomical landmarks, and displaying an ultrasonic image in which a tissue border has been automatically traced. Adjustable control points are located on the displayed border, enabling the automatically drawn border to be manually adjusted by a rubberbanding technique.

Automated border detection in ultrasonic diagnostic images

An ultrasonic diagnostic imaging system and methods are described which produce tissue harmonic ultrasonic images from harmonic echo components of a transmitted fundamental frequency. Fundamental frequency waves are transmitted by an array transducer to focus at a focal depth. As the transmitted waves penetrate the body, the harmonic effect develops as the wave components begin to focus. The harmonic response from the tissue is detected and displayed, while clutter from the fundamental response is reduced by excluding fundamental frequencies. The technique is especially useful for imaging the endocardial tissue of the heart.

Ultrasonic tissue harmonic imaging

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Mill Creek, WA, United States of America

Jeremy D Wiggins