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.

Reason: 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

Code information: All product lots of the Acuson NX2, model # 11284381 containing the following software: VA10A, VA10B,VA10C, VA11A, VA11B, VA11C

Distribution pattern: Worldwide Distribution: US (nationwide) including states of: AL, AZ, AR, CA, CO, CT, DC, FL, GA, IL,IA, IN, KY, LA, MD, MA, MI, MN, MS, NE, NV, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI and WY; and countries of: Albania, Algeria, Angola, Argentina, Australia, Austria, Azerbaijan, Bahrain, Bangladesh, Belarus, Belgium, Bolivia, Bosnia, Brazil, Brunei, Bulgaria, Burkina Faso, Cameroon, Canada, Chile, China, Colombia, Costa Rica, Croatia, Cyrus, Czech Republic, Democratic Republic of Congo, Denmark, Dominican Republic, Ecuador, Egypt, El Salvador Finland, France, Gabon, Georgia, Germany, Greece, Guatemala, Hong Kong, Hungary, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Ivory Coast, Japan, Jordan, Kazakhstan, Kenya, Kosovo, Latvia, Lebanon, Luxembourg, Macedonia, Malaysia, Maldives, Mali, Mexico, Morocco, Nepal, Netherlands, Norway, Pakistan, Palestine, Panama, Philippines, Poland, Portugal, Republic of Korea, Romania, Ruanda, Russian Federation, Saudi Arabia, Senegal, Serbia, Singapore, Slovakia, Slovenia, South Africa, Spain, Sri Lanka, Sweden, Switzerland, Taiwan, Tanzania, Thailand, Turkey, U.A.E., Uganda, Ukraine, United Kingdom, Uruguay, Uzbekistan and Vietnam.