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U.S. Department of Health and Human Services

Recognized Consensus Standards: Medical Devices

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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 034 Date of Entry 01/30/2014 
FR Recognition Number 12-228
IEC  61391-2 Edition 1.0 2010-01
Ultrasonics - Pulse-echo scanners - Part 2: Measurement of maximum depth of penetration and local dynamic range
This part of IEC 61391 defines terms and specifies methods for measuring the maximum depth of penetration and the local dynamic range of real-time ultrasound B-MODE scanners. 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.

All scanners considered are based on pulse-echo techniques. The test methodology is applicable for transducers operating in the 1 MHz to 15 MHz frequency range operating both in fundamental mode and in harmonic modes that extend to 15 MHz. However, testing of harmonic modes above 15 MHz is not covered by this standard.
Extent of Recognition
Complete standard
Rationale for Recognition
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.
Public Law, CFR Citation(s) and Procode(s)*
Regulation Number Device Name Device Class Product Code
§892.1550 System, Imaging, Pulsed Doppler, Ultrasonic Class 2 IYN
§892.1560 System, Imaging, Pulsed Echo, Ultrasonic Class 2 IYO
Relevant FDA Guidance and/or Supportive Publications*
Guidance for Industry and FDA Staff Information for Manufacterers Seeking Marketing Clearance of Diagnostic Ultrasound Systems and Transducers Document issued on: September 9, 2008. http://www.fda.gov/downloads/MedicalDevices/DeviceRegulationandGuidance/GuidanceDocuments/UCM070911.pdf

Appropriate Use of Voluntary Consensus Standards in Premarket Submissions for Medical Devices - Guidance for Industry and Food and Drug Administration Staff, issued September 2018.
FDA Technical Contact
 Keith Wear
Standards Development Organization
IEC International Electrotechnical Commission http://www.iec.ch/
FDA Specialty Task Group (STG)
*These are provided as examples and others may be applicable.