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  • BSI
    PD IEC/TS 62736:2016 Ultrasonics. Pulse-echo scanners. Simple methods for periodic testing to verify stability of an imaging system’s elementary performance
    Edition: 2016
    $418.55
    / user per year

Description of PD IEC/TS 62736:2016 2016

This document specifies requirements and methods for periodic testing of the quality of diagnostic medical ultrasound systems with linear array, curved linear array, single element, annular array, phased array, matrix linear array transducers and two-dimensional arrays. Image interpretation and measurement workstations are included. Usually, “periodic testing” is referred to here as “quality control”. This document represents a minimum set of such tests intended for frequent users of medical ultrasound systems, for quality control professionals in their organization, or those hired from other quality-control and/or service-provider organizations. System-manufacturing and repair companies might well employ other or additional tests. The tests are defined in three levels, with the simplest and most cost-effective performed most frequently, similarly to [1]. More complete tests for acceptance testing and for assessment at times of particular importance or concern are specified in IEC 61391‑1 , IEC 61391‑2 and IEC TS 62791 [15]. These more complete tests are categorized as performance evaluation, rather than quality control or frequent periodic testing.

This document also defines terms and specifies methods for measuring (for quality maintenance or quality control) the maximum relative depth of penetration of real-time ultrasound B-MODE scanners, though this penetration measure is listed as less frequently applied.

Frequent distance-measurement accuracy tests are recommended only for certain classes of position encoding that are not now known to be highly stable and without bias.

The types of transducers used with these scanners include:

  • mechanical probes;

  • electronic phased arrays;

  • linear arrays;

  • curved arrays;

  • two-dimensional arrays;

  • three-dimensional scanning probes based on a combination of the above types.

Transducers not readily amenable to transducer-element testing by the simple image-uniformity procedures specified (for example, phased array and 2D-array transducers) are tested only partially by maximum relative depth of penetration. System manufacturers are encouraged to provide pulsing patterns of the transducer elements to allow testing of individual elements or small-enough groups of elements to enable users to detect significant element failure or to provide access to another implemented and explained element-test program. Dedicated Doppler systems are excluded from coverage here as specialized equipment is required to test them. This test equipment can be specific to the intended application of the Doppler system.

All scanners considered include basic pulse-echo techniques. The failures to be detected by the recommended pulse-echo tests also will affect the operation of other modes, such as colour-flow, harmonic-, elasticity- and compound imaging. The test methodology is applicable for transducers operating in the 1 MHz to 17 MHz frequency range and could be made applicable up to 40 MHz, if the depth of penetration were allowed to be relative, rather than absolute, and phantom stability were verified [15]. Image-uniformity QC is applicable to transducers operating in the 1 MHz to 40 MHz frequency range as the requirements for phantoms are not stringent.

NOTE

Phantom manufacturers are encouraged to extend the frequency range to which phantoms are specified to enable relative depth-of-penetration tests of systems operating at fundamental and harmonic frequencies above 17 MHz.



Standard NumberPD IEC/TS 62736:2016
TitleUltrasonics. Pulse-echo scanners. Simple methods for periodic testing to verify stability of an imaging system’s elementary performance
StatusWithdrawn
Publication Date2016-07-31
Withdrawn Date2023-02-02
Replaced ByPD IEC TS 62736:2023
Identical National Standard OfIEC TS 62736:2016
DescriptorsTest equipment, Liquids, Ultrasonic frequencies, Flux (rate), Acoustic measurement, Acoustics, Radiant flux density, Accuracy, Formulae (mathematics), Ultrasonics, Power measurement, Testing conditions, Transducers
ICS17.140.50 Electroacoustics
CommitteeEPL/87
ISBN978 0 580 76290 1
PublisherBSI
Pages42

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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