Models for evaluation of thermal hazard in medical diagnostic ultrasonic fields
Models for evaluation of thermal hazard in medical diagnostic ultrasonic fields
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1 Scope This technical report provides background information for users of IEC 62359 to understand the relative merits of several of the potential replacements for the thermal index ( TI ) as described in IEC 60601-2-37 and IEC 62359. The report discusses:
— parameters related to thermal aspects of diagnostic ultrasonic fields;
— methods for the determination of an exposure parameter relating to temperature rise in theoretical tissue-equivalent models, resulting from absorption of ultrasound.
The report is intended to be used by:
— those involved in the development and maintenance of IEC 62359;
— manufacturers of medical electrical equipment for risk assessment;
— health care regulatory authorities, test houses and other organizations responsible for implementing standards for medical electrical equipment.
Упомянутые в описании и другие стандарты PD