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YY/T 0705-2008: Ultrasonics. Continuous-wave Doppler systems. Test procedures
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Ultrasonics. Continuous-wave Doppler systems. Test procedures
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YY/T 0705-2008
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Basic data | Standard ID | YY/T 0705-2008 (YY/T0705-2008) | | Description (Translated English) | Ultrasonics. Continuous-wave Doppler systems. Test procedures | | Sector / Industry | Medical Device & Pharmaceutical Industry Standard (Recommended) | | Classification of Chinese Standard | C41 | | Classification of International Standard | 11.040.50 | | Word Count Estimation | 21,238 | | Date of Issue | 2008-10-17 | | Date of Implementation | 2010-01-01 | | Quoted Standard | GB/T 16540-1996 | | Regulation (derived from) | SFDA [2008] No. 605 | | Issuing agency(ies) | State Food and Drug Administration | | Summary | This standard specifies: used to measure continuous wave Doppler flowmeter, flow meter, or fetal heart rate detector performance testing methods, Doppler ultrasound system for the determination of the performance parameters of the specific Doppler specimen. This standard applies to: Doppler ultrasound system for the entire machine, that is not disconnected from the system or dismantling the tests, continuous wave Doppler ultrasound system for the tests performed. In an additional test content, these tests can be used to measure the speed of Doppler ultrasound positioning systems, such as pulse wave and FM Doppler system. In this standard, does not contain information about electrical safety and acoustic output content. | YY/T 0705-2008: Ultrasonics. Continuous-wave Doppler systems. Test procedures---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Ultrasonics.Continuous-wave Doppler systems.Test procedures
ICS 11.040.50
C41
People's Republic of China pharmaceutical industry standards
YY/T 0705-2008/IEC 61206.1993
Continuous wave Doppler ultrasound system test method
(IEC 61206.1993, IDT)
Posted 2008-10-17
2010-01-01 implementation
State Food and Drug Administration issued
Foreword
This standard is equivalent to using the International Electrotechnical Commission Technical Report IEC 61206.1993 "Continuous Wave Doppler ultrasound test system
method".
This standard and IEC 61206.1993 is the main differences.
--- The original text of the "technical report" to the "standard";
--- IEC 61102.1991 "0.5 to 15MHz using hydrophones in the frequency range of the ultrasonic field measurements and descriptions" are equivalent turn
Into GB/T 16540-1996 "acoustic characterization of ultrasonic fields in the frequency range 0.5 ~ 15MHz and measuring hydrophone
It is Law ", so the standard of a direct reference to the corresponding standards.
This standard Annex A, Annex B is informative appendix.
This standard was proposed by the State Food and Drug Administration.
This standard by the standardization of medical ultrasound equipment for medical appliances National Standardization Technical Committee Technical Committee (SAC/TC10/SC2)
Centralized.
This standard was drafted. medical ultrasound equipment Wuhan National Quality Supervision and Inspection Center.
The main drafters of this standard. Wang Zhijian, busy Ashmore.
YY/T 0705-2008/IEC 61206.1993
Introduction
In clinical practice, widely used continuous wave Doppler flow meter, flow meter or fetal heart rate detector, such medical ultrasound equipment testing
The amount of Doppler shift that changes the amount of the scattered wave frequency ultrasonic transducer relative movement between the body and the scattering caused by the ultrasound transducer, the frequency shift is proportional to
In the observed velocity, i.e. toward or away from the diffuser flow transducer velocity component.
This standard describes a series of test methods used to determine the performance parameters of continuous wave Doppler ultrasound system. Additional tests within
After the introduction, this standard is also applicable to pulsed Doppler system. These test methods based on the use of some special equipment, such as a string type, the strip
, Disc, piston and imitation blood flow Doppler test pieces. These methods can be divided into the following three categories. The first category is appropriate to ensure that the system into
Line work or sensitive enough, by the clinician or technician routine quality control testing undertaken; second category is not frequent, but
More sophisticated testing methods, such as suspected system is not working properly performed; the third category represents the manufacturers based on key performance parameters for the entire
A system test.
YY/T 0705-2008/IEC 61206.1993
Continuous wave Doppler ultrasound system test method
The first chapter outlines
1.1 Scope
This standard specifies.
--- Used to measure continuous wave Doppler flow meter, flow meter or test methods fetal heart rate detector performance;
--- Doppler ultrasound system for measuring the performance parameters of a special Doppler test piece.
This standard applies to.
--- Doppler ultrasound system for the entire machine, which does not test the system or dismantling disconnected carried out;
--- Continuous wave Doppler ultrasound system testing. After an additional test content, these tests can be used for positioning measurement speed
Doppler ultrasound system, such as a pulse wave Doppler system and FM.
In this standard, it does not contain content related to electrical safety and acoustic output.
1.2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 16540-1996 acoustic characterization of ultrasonic fields in the frequency range 0.5 ~ 15MHz and its measurement method hydrophone
(Eqv IEC 61102.1991)
1.3 Terms and Definitions
The following terms and definitions apply to this standard.
1.3.1
A description of the terms of Doppler ultrasound system, showing the scattering body toward or away from the ultrasound transducer.
1.3.2
A description of the terms of Doppler ultrasound system, showing scattering relative to the direction of movement of the transducer, the output of the Doppler system appears
At different output ports, output channel or output devices.
1.3.3
Changing the amount of ultrasound scattering wave frequency by scattering relative motion between the transducer body and caused that transmit and receive frequency waves between wave
Rate difference.
1.3.4
Or more in a single Doppler frequency Doppler frequency, the excitation signal voltage output device.
1.3.5
Electrical connectors or parts Doppler ultrasound system, the Doppler output connected to an external output device.
Note. Not all available Doppler ultrasound Doppler systems have a physical output connector.
YY/T 0705-2008/IEC 61206.1993
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