BS EN 61828:2002, IEC 61828:2001 - Ultrasonics. Focusing transducers. Definitions and measurement methods for the transmitted fields

BS EN 61828:2002, IEC 61828:2001

Ultrasonics. Focusing transducers. Definitions and measurement methods for the transmitted fields

Status : Current, Work in hand   Published : February 2002



This International Standard - provides definitions for the transmitted field characteristics of focusing transducers for applications in medical ultrasound; - relates these definitions to theoretical descriptions, design, and measurement of the transmitted fields of focusing transducers; - gives measurement methods for obtaining defined characteristics of focusing transducers; - specifies beam axis alignment methods appropriate for focusing transducers. This International Standard relates to focusing ultrasonic transducers operating in the frequency range appropriate to medical ultrasound (0,5 MHz to 40 MHz) for both therapeutic and diagnostic applications. It shows how the characteristics of the transmitted field of transducers may be described from the point of view of design, as well as measured by someone with no prior knowledge of the construction details of a particular device. The radiated ultrasound field for a specified excitation is measured by a hydrophone in either a standard test medium (for example, water) or in a given medium. The standard applies only to media where the field behaviour is essentially like that in a fluid (i.e. where the influence of shear waves and elastic anisotropy is small), including soft tissues and tissue-mimicking gels. Any aspects of the field that affect their theoretical description or are important in design are also included. These definitions would have use in scientific communications, system design and description of the performance and safety of systems using these devices.

Standard NumberBS EN 61828:2002, IEC 61828:2001
TitleUltrasonics. Focusing transducers. Definitions and measurement methods for the transmitted fields
StatusCurrent, Work in hand
Publication Date21 February 2002
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
International RelationshipsIEC 61828:2001,EN 61828:2001
Draft Superseded By00/200650 DC
DescriptorsClinical investigation instruments, Transducers, Wave properties and phenomena, Ultrasonic frequencies, Electrical medical equipment, Ultrasonic medical apparatus, Focusing, Transmittance, Ultrasonic devices, Radiology apparatus (medical), Medical equipment, Ultrasonics
Title in FrenchUltrasons. Transducteurs focaliseurs. Definitions et methodes de mesure des champs transmis
Title in GermanUltraschall. Fokusierende Wandler. Definitionen und Messverfahren fuer die erzeugten Felder
ISBN0 580 39012 8
File Size1.119 MB

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