ULTRASOUND HYPERTHERMIA APPLICATORS - INTENSITY DISTRIBUTIONS AND QUALITY ASSURANCE

被引：6

作者：

HARRISON, GH

机构：

[1] University of Maryland School of Medicine, Department of Radiation Oncology, Baltimore

来源：

INTERNATIONAL JOURNAL OF HYPERTHERMIA | 1990年 / 6卷 / 01期

关键词：

D O I：

10.3109/02656739009140813

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Intensity plots at several depths in water were obtained with three ultrasound hyperthermia applicators (Clinitherm, Mark VII), each with a single plane circular ceramic transducer element. One of the applicators exhibited an anomalous localized intensity maximum 3 cm away from the central beam axis. This observation, and the fact that transducer efficiency and field patterns may change with time and use, suggest quality assurance enhancement through periodic checks of output distributions of ultrasonic applicators for clinical use. © 1990 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.

引用

页码：169 / 174

页数：6

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