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Recall Observatory FDA recall evidence

Device 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

Z-0831-2025

December 11, 2024

Class I

Product summary

Firm
Nuwellis Inc
Event
Event 95991
Status
Completed
Classification
Class I
Quantity
845 units
Official record key
device-enforcement:Z-0831-2025

Official wording

Reason: 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.

Code information: 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.

Distribution pattern: US Nationwide Distribution and the country of Hong Kong

Derived failure modes

  • Unknown

    reason.no_named_rule · v1.0.0

    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.