Apparatus for ultrasonic tissue investigation

摘要

PCT No. PCT/GB96/00566 Sec. 371 Date Feb. 9, 1998 Sec. 102(e) Date Feb. 9, 1998 PCT Filed Mar. 11, 1996 PCT Pub. No. WO96/28096 PCT Pub. Date Sep. 19, 1996The apparatus for ultrasonic tissue investigation comprises an ultrasonic transducer (1) adapted to emit pulsed emissions into tissue and means (2) to move the transducer to scan an area of tissue to be investigated. Signals reflected from interfaces between acoustically different tissue components are received and converted into a representation of the tissue, which may be visually displayed. The emissions of ultrasonic radiation are so pulsed that each pulse has a very rapid fall back period, enabling better discrimination. Interpretation of the images may be facilitated by use of such techniques as fractal analysis.