YY/T 1084-2015Measurement methods of ultrasonic output power for medical diagnostic ultrasonic equipments (English PDF)

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard YY/T 1084-2007 The main technical differences are.

--- According to the latest updated version of the reference standard;

--- Frequency range from 0.5MHz ~ 15MHz extended to 0.5MHz ~ 25MHz;

--- In line with GB 9706.9-2008 "Medical electrical equipment - Part 2-37. Ultrasound diagnostic and monitoring equipment to the safety of Seeking "the special requirements of ultrasonic measuring output power, increasing the Appendix A" in the multi mode, scan mode and 1cm × 1cm window Under the mouth, the output power measurement guidance. "

1 Scope

This standard specifies the method for measuring the acoustic output of medical diagnostic ultrasonic equipment power, where the radiation force balance method is the preferred method. Adopting Under radiation force balance method when there is no technical difficulty, or to ensure measurement accuracy of the premise, can also export ultrasound method using hydrophones power.

This standard applies to medical ultrasonic frequency range measured acoustic power output 0.5MHz ~ 25MHz diagnostic equipment.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 7966-2009 Measurement of acoustic radiation force balances power and performance requirements

YY/T 0865.1-2011 ultrasonic hydrophone - Part 1. Measurement and features the following medical ultrasound field 40MH depiction

3 Terms and Definitions

The following terms and definitions apply to this document.