AquaFlexFlow UF 500 Plus (Nuwellis) – Weight Mismatch Risk (2024)
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
nuwellis AquaFlexFlow UF 500 Plus, REF 114156, Catalog Number A06163, extracorporeal blood circuit which is used with the Aquadex SmartFlow or Aquadex FlexFlow System
Brand
Nuwellis Inc
Lot Codes / Batch Numbers
Lot Numbers: 22697, 22698, 22699, 22700, 22701, 22702, 22703, 22704, 22705, 22706, 22707, 22708, 22721, 22722, 22723, 22724, 22733, 22734, 22735, 22736, 22737, 22738, 22739, 22740.
Products Sold
Lot Numbers: 22697, 22698, 22699, 22700, 22701, 22702, 22703, 22704, 22705, 22706, 22707, 22708, 22721, 22722, 22723, 22724, 22733, 22734, 22735, 22736, 22737, 22738, 22739, 22740.
Nuwellis Inc is recalling nuwellis AquaFlexFlow UF 500 Plus, REF 114156, Catalog Number A06163, extracorporeal blood circuit w due to The AquaFlexFlow UF 500 Plus extracorporeal blood circuit used with the Aquadex SmartFlow and FlexFlow Systems may indicate "Ultrafiltrate Weight Mism. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
The AquaFlexFlow UF 500 Plus extracorporeal blood circuit used with the Aquadex SmartFlow and FlexFlow Systems may indicate "Ultrafiltrate Weight Mismatch" or Excessive Weight Mismatch Alarms while in use. If not addressed, this failure could result in excess fluid removal from a patient leading to Acute Volume Depletion. This failure is especially serious when the Aquadex System is being used on pediatric patients.
Recommended Action
Per FDA guidance
Nuwellis issued an UREGNT: MEDICAL DEVICE RECALL notice to its consignees on 12/11/2024 via email. The notice explained the issue, risk to health, and requested the following actions be taken: Immediately discontinue use of affected lots. A Nuwellis representative will be reaching out to arrange return or disposal of the affected product to Nuwellis. For more detailed discussion regarding this product return, you may contact the Quality Team at Nuwellis: Steve Sandoval, Director of Engineering and Quality, Email: Steve.Sandoval@nuwellis.com, Office Phone: +1 952.563.7040
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026