IEC 61685 : 1.0
IEC 61685 : 1.0
ULTRASONICS - FLOW MEASUREMENT SYSTEMS - FLOW TEST OBJECT
International Electrotechnical Committee
ULTRASONICS - FLOW MEASUREMENT SYSTEMS - FLOW TEST OBJECT
International Electrotechnical Committee
FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Definitions<br>4 List of symbols<br>5 General outline of flow Doppler test object<br>6 Specification of the flow Doppler test object<br> 6.1 General<br> 6.2 Blood-mimicking fluid (BMF)<br> 6.3 Tube<br> 6.4 Tissue-mimicking material (TMM)<br> 6.5 Geometry<br>7 Precautions to prevent changes in the composition of <br> the blood-mimicking fluid (BMF)<br>8 Specifications for labelling<br>Annex A (informative) Rationale concerning the position <br> of this standard<br>Annex B (normative) Formulae relating various quantities<br>Annex C (informative) Rationale for the numerical values <br> chosen in this standard<br>Annex D (informative) Description of an example flow <br> Doppler test object<br>Annex E (informative) Schematic diagram of a possible <br> flow circuit<br>Annex F (informative) Measuring methods<br>Bibliography
Defines parameters for a flow Doppler test object representing a blood vessel of known diameter at a certain depth in human tissue, carrying a steady flow. Also establishes a flow Doppler test object which can be used to assess various aspects of the performance of Doppler diagnostic equipment.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 87 |