Recall Register

Food, drugs, devices › Fresenius Medical Care Holdings, Inc.

Device recall: Optiflux¿ High Flux E-beam Dialyzer Model Numbers: (1) 0500316E OPTIFLUX F160NRe 12/CS 1.5SA EBEAM, (2) 0500318E OPTIFLU

FDA enforcement event 97543 · Class II · initiated 29 Aug 2025 · status Ongoing

DeviceVoluntary: Firm initiated1 product recordWaltham, MA

FDA enforcement event 97543 is a device recall by Fresenius Medical Care Holdings, Inc. of Waltham, MA, initiated 29 Aug 2025 and classified Class II, with 1 product record.

FDA defines Class II as a situation in which use of or exposure to a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote. 85% of the 945 device enforcement events initiated in 2025 carry the same class.

Status: Ongoing. Initiation: voluntary: firm initiated. Fresenius Medical Care Holdings, Inc. has 66 enforcement events on this register, with a median of 1 product record per event.

Recall classification reflects the relative degree of health hazard. Text in quotation marks is FDA's. openFDA export dated 28 Sep 2026.

Recalling firm

Fresenius Medical Care Holdings, Inc., Waltham, MA.

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."

Distribution

"US Nationwide distribution."

Product records

Recall numberProductQuantityClassStatusReport date
Z-0041-2026Optiflux¿ 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 EBEAM172,494,732 units (14,374,561 cases @ 12 units per case)Class IIOngoing15 Oct 2025

Context

85%of 2025 device events are Class II945 events that year
1product record in this eventfirm median: 1
66events on this register for the firm

Other enforcement events for Fresenius Medical Care Holdings, Inc.

InitiatedProduct (first record)TypeClassRecords
12 May 2026Bicarby" Dialysate; Model Numbers: RFP-400-G, RFP-401-G, RFP-402-G, RFP-404-G, RFP-407-G, and RFP-456-G;DeviceClass II1
11 May 20265008X Blood Tubing Set, 24 units per case. Includes the below model numbers and descriptions. 1. 5008X HD Pre-Flush StanDeviceClass II1
7 May 2026Bicarby Dialysate; Model number: RFP-400-G;DeviceClass II1
6 Apr 2026DELFLEX, Dextrose Peritoneal Dialysis Solution with attached stay-safe Exchange Set for Intraperitoneal Dialysis Only, 1DrugClass II2
25 Oct 20255008X CAREsystem +CLiC +CDX;DeviceClass II1
27 May 20250.9% Sodium Chloride Injection, USP, Flexible Plastic Container, Rx Only Fresenius Medical Care North America, Waltham, DrugClass II1
29 Apr 20255008X HDF Hemodialysis Blood Tubing Set, 24 units per case, with the following models: a. 5008X Standard HDF Bloodline, DeviceClass II1
5 Dec 2024Dialyzer Optiflux 160NReDeviceClass II1
8 Aug 2024Blood Pressure Module BPM3 TM-2917B (Spare Part Numbers 191378 or 191389) with firmware version S005 installed in 2008 SDeviceClass II1
18 Jun 2024DELFLEX PERITONEAL DIALYSIS SOLUTION With LOW MAGNESIUM / LOW CALCIUM 4.25% DEXTROSE and attached stay "safe Exchange SeDrugClass II1

All 66 events for Fresenius Medical Care Holdings, Inc.

Questions and answers

Why was this device recalled?

FDA's record gives the reason for recall as: "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."

What does Class II mean?

FDA classifies recalls by relative degree of health hazard. Class II is a situation in which use of or exposure to a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote.

Where was the product distributed?

FDA's distribution pattern field reads: "US Nationwide distribution."

Is the recall still ongoing?

FDA lists the status as Ongoing. "Terminated" means FDA has determined that all reasonable efforts to remove or correct the product have been made.

Where does this data come from?

openFDA enforcement reports (food, drug and device), CC0, export dated 28 Sep 2026. Text in quotation marks is FDA's. The FDA enforcement report linked above is authoritative.

Provenance

Source: openFDA device enforcement reports (CC0), export dated 28 Sep 2026; records grouped by FDA event number. The class shown for the event is the most severe class among its records. Errors in processing are corrected at the next build; see corrections.