Standard No.:	YY/T 1767-2021
English Name:	Ultrasonics—Power measurement—High intensity therapeutic ultrasound (HITU) transducers and systems
Chinese Name:	超声 功率测量 高强度治疗超声（HITU）换能器和系统
Chinese Classification:	C41    Medical ultrasound, laser, high-frequency instrument and equipment
Professional Classification:	YY    Professional Standard - Pharmaceutics
ICS Classification:	11.040.50 11.040.50    Radiographic equipment 11.040.50
Source Content Issued by:	National Medical Products Adminstration
Issued on:	2021-03-09
Implemented on:	2022-4-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	21000 words
Translation Price(USD):	630.0
Delivery:	via email in 1~5 business day

建立了采用声靶测量HITU声场的辐射力天平法；　　
规范了采用测量流体热膨胀来确定超声换能器总发射声功率的量热法；　　
规范了有关描述超声换能器电功率特性的要求；　　
提供了在测量过程中防止声空化的指导建议；　　
提供了测量不同结构和几何形状的HITU换能器（包括准直型、发散型和收敛型换能器，以及多元换能器）的指导建议；
提供了选择最适当测量方法的指导建议；
提供了评估测量总不确定度的资料。