ULTRASONICS - FIELD CHARACTERISATION - TEST OBJECTS FOR DETERMINING TEMPERATURE ELEVATION IN DIAGNOSTIC ULTRASOUND FIELDS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 List of symbols
5 Thermal test assembly
5.1 Specification of a thermal test assembly
6 Specification of a thermal sensor
6.1 Thermal sensor
6.2 Sensing electronics
7 Use of a thermal test assembly
7.1 General
7.2 Perfusion
Annex A (informative) Rationale
Annex B (informative) Clinical and physical tissue models
Annex C (informative) Construction of an example thermal test
assembly
Annex D (informative) Procedures for validating performance
Annex E (informative) Derivation of perfused temperature history
from unperfused temperature history
Annex F (informative) Guidance on measurement procedures
Annex G (informative) Instructions for making example soft
tissue mimicking material
Bibliography
Figures
Tables
Establishes: - the important characteristics and terminology for test objects containing an embedded thermal sensor to determine ultrasonic heating; - requirements for defining particular types of test object for specific applications; - examples of design features which will ensure that the performance specifications are achieved; - validation procedures; - general test methods for using test objects to determine standardised temperature rises.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 87 |
