Recall – Acoustic output software driver error

Company: Siemens Medical Solutions USA, Inc.
Date of Enforcement Report: 8/28/2019
Class II


ACUSON NX2 Diagnostic Ultrasound System, Model # 11284381, RX Only, Siemens Medical Solutions, containing software version VA10A, VA10B, VA11A, VA11B; UDI # 04056869030005 The ACUSON NX2 diagnostic ultrasound imaging systems are intended for the following applications: Cardiac, Fetal, Abdominal (including liver), Pediatric, Small Parts (Small Organ), Transcranial, OB/GYN, Pelvic, Urology, Vascular (including Peripheral Vessel) and Musculoskeletal applications. The systems also provide for the measurement of anatomical structures and for analysis packages that provide information that is used for clinical diagnosis purposes.

  • Recall Number: Z-2350-2019
  • Recall Number: Z-2351-2019
  • Recall Number: Z-2352-2019
  • Recall Number: Z-2353-2019


The action is being initiated due to internal testing which identified a possibility for transducers to exceed the acoustic output power (AOP) values defined . The transit voltage values based on PW Doppler are calculated normally but not loaded correctly into hardware


Siemens Medical Solutions USA, Inc. on 1/28/2019. Voluntary:  Firm Initiated recall is ongoing.


1869 systems


US Nationwide and International

What’s New

FDA:  Exemptions, Variances, and Alternate Forms of Adverse Event Reporting for Medical Devices

Manufacturers, importers, and user facilities can request an exemption or variance from any or all of the medical device reporting requirements in 21 CFR Part 803.  Read more:

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