ДСТУ EN IEC 62127-1:2022 Ультразвук. Гідрофони. Частина 1. Вимірювання та характеристика медичних ультразвукових полів (EN IEC 62127-1:2022, IDT; IEC/TS 62127-1:2007, IDT)



ДСТУ EN IEC 62127-1:2022
(EN IEC 62127-1:2022, IDT; IEC/TS 62127-1:2007, IDT)

Ультразвук. Гідрофони. Частина 1. Вимірювання
та характеристика медичних ультразвукових полів

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

CONTENTS

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols

5 Measurement requirements

5.1 Requirements for hydrophones and amplifiers

5.2 Requirements for positioning and water baths

5.3 Requirements for data acquisition and analysis systems

5.4 Recommendations for ultrasonic equipment being characterized

6 Measurement procedure

6.1 General

6.2 Preparation and alignment

6.3 Measurement

6.4 Analysis

7 Beam characterization

7.1 General

7.2 Primary pressure parameters

7.3 Intensity parameters derived from acoustic pressure

8 Requirements for specific ultrasonic fields

8.1 General

8.2 Diagnostic fields

8.3 Therapy fields

8.4 Surgical fields

8.5 Fields from other medical applications

9 Conformity statement

9.1 General

9.2 Maximum probable values

9.3 Sampling

Annex A (informative) General rationale

Annex B (informative) Hydrophones and positioning

Annex C (informative) Acoustic pressure and intensity

Annex D (informative) Voltage to pressure conversion

Annex E (informative) Correction for spatial averaging

Annex F (informative) Acoustic output parameters for multi-mode medical ultrasonic fields in the absence of scan-frame synchronization

Annex G (informative) Propagation medium and degassing

Annex H (informative) Specific ultrasonic fields

Annex I (informative) Assessment of uncertainty in the acoustic quantities obtained by hydrophone measurements

Annex J (informative) Transducer and hydrophone positioning systems

Annex K (informative) Beamwidth midpoint method

Bibliography