DESIGN AND EXPERIMENTAL EVALUATION OF AN ENDOCAVITARY LINEAR PHASED ARRAY FOR ULTRASOUND SURGERY OF PROSTATEстатья
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Дата последнего поиска статьи во внешних источниках: 13 февраля 2017 г.
Аннотация:Abstract-The design and the results of the experimental evaluation of a 70-element linear phased ultrasonic
an-^^!. intznded for endocavitary (transrectal) surgical treatment of chronic prostatic disease are presented. The
array consists of elements of width 1 m~wandle ngth 15 mm, and its operating frequency is 1 MHz. The array
performs electronic scanning of the focus within 30-60 mm along the acoustic axis and _+20 mm in the perpendicular
direction (which corresponds to the maximum prostate dimensions). In the course of the scanning, an
acceptable level of secondary intensity peaks is maintained, and the acoustic power generated by the array is
no less than 200 W. The results suggest that the array can be useful for prostate surgery. However, a widespread
clinical application of this ultrasound method depends on the development of combined systems providing both
the ~~ltrasounadb lation of prostate tissue and the control over the location of the focal region in the prostate before ablation