FDA·Healthcare and labs·October 15, 2025

Fresenius recalls Optiflux dialyzers because new press-on caps must be pressed on firmly to stay attached

The caps on these dialyzers changed from screw-on to press-on, and users must press them firmly onto the dialyzer to attach them securely, so the notice gives users more information for proper use.

What to do

The notice does not give instructions. Read the official notice for details.

Recall details

Product
Optiflux¿ High Flux E-beam Dialyzer Model Numbers: (1) 0500316E OPTIFLUX F160NRe 12/CS 1.5SA EBEAM, (2) 0500318E OPTIFLUX F180NRe 12/CS 1.7SA EBEAM, (3) 0500320E OPTIFLUX F200NRe 12/CS 1.9SA EBEAM, (4) 0500325E OPTIFLUX F250NRe 12/CS 2.5SA EBEAM
Hazard
To provide further information to the user to ensure proper use of the medical device. the caps had been changed from a threaded version to a press-on version whereby the user must press the caps firmly onto the dialyzer to securely affix the cap.
Units
172,494,732 units (14,374,561 cases @ 12 units per case)
Where sold
US Nationwide distribution.
FDA classification
Class II · Ongoing
Classified by FDA
October 3, 2025
Recall started
August 29, 2025
FDA enforcement report
October 15, 2025
Identifiers
  • Codes: 1. Model: 0500316E OPTIFLUX F160NRe 12/CS 1.5SA EBEAM, UDI-DI: 840861100149, All Lots manufactured after SEP/06/2023, 2. Model: 0500318E OPTIFLUX F180NRe 12/CS 1.7SA EBEAM, UDI-DI: 840861100156, All Lots manufactured after SEP/06/2023, 3. Model: 0500320E OPTIFLUX F200NRe 12/CS 1.9SA EBEAM, UDI-DI: 840861100163, All Lots manufactured after SEP/06/2023, 4. Model: 0500325E OPTIFLUX F250NRe 12/CS 2.5SA EBEAM, UDI-DI: 840861100170, All Lots manufactured after SEP/06/2023;
  • FDA recall number: Z-0041-2026

The headline, summary and steps above are written in plain English from the official notice below. Identifiers are copied exactly as the agency published them. Always check the official notice before you act.

Official notice

The notice's own wording from FDA.

Product
Optiflux¿ High Flux E-beam Dialyzer Model Numbers: (1) 0500316E OPTIFLUX F160NRe 12/CS 1.5SA EBEAM, (2) 0500318E OPTIFLUX F180NRe 12/CS 1.7SA EBEAM, (3) 0500320E OPTIFLUX F200NRe 12/CS 1.9SA EBEAM, (4) 0500325E OPTIFLUX F250NRe 12/CS 2.5SA EBEAM
Reason for recall
To provide further information to the user to ensure proper use of the medical device. the caps had been changed from a threaded version to a press-on version whereby the user must press the caps firmly onto the dialyzer to securely affix the cap.
Classification
Class II (Ongoing)
Distribution
US Nationwide distribution.
Quantity
172,494,732 units (14,374,561 cases @ 12 units per case)

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