Recall Register

Food, drugs, devices › NxStage Medical, Inc.

Device recall: NxStage PureFlow B Solution - Premixed Dialysate for Hemodialysis with NxStage System One

FDA enforcement event 79276 · Class II · initiated 10 Nov 2017 · status Terminated · terminated 6 Dec 2019

DeviceVoluntary: Firm initiated1 product recordLawrence, MA

NxStage Medical, Inc. (Lawrence, MA) initiated this device recall on 10 Nov 2017; FDA lists 1 product record under event 79276, classified Class II.

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. 93% of the 1,091 device enforcement events initiated in 2017 carry the same class.

Status: Terminated, terminated 6 Dec 2019. Initiation: voluntary: firm initiated. NxStage Medical, Inc. has 13 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

NxStage Medical, Inc., Lawrence, MA.

Reason for recall

"Using different fluid formulations of NxStage PureFlow B Solution at the same time during treatment may cause patient health risk. The NxStage PureFlow B Solution is for use with systems that use one premixed dialysate during hemodialysis. The original labeling did not warn against mixing dialysate formulations and did not instruct staff to verify that the fluid is flowing during use."

Distribution

"US nationwide distribution"

Product records

Recall numberProductQuantityClassStatusReport date
Z-1132-2018NxStage PureFlow B Solution - Premixed Dialysate for Hemodialysis with NxStage System One1243400 unitsClass IITerminated28 Mar 2018

Context

93%of 2017 device events are Class II1,091 events that year
1product record in this eventfirm median: 1
13events on this register for the firm

Other enforcement events for NxStage Medical, Inc.

InitiatedProduct (first record)TypeClassRecords
28 Apr 2025NxStage PureFlow-B Solution. Catalog numbers: RFP-400, RFP-401, RFP-402, RFP-403, RFP-404, RFP-406, RFP-453, RFP-454, RFDeviceClass II1
14 May 2024NxStage PureFlow-B Solution, Premixed Dialysate for Hemodialysis, Device Catalog Numbers RFP-400, RFP-401, RFP-402, RFP-DeviceClass II1
27 Aug 2019Low Volume Cartridge IFU (SKU CAR-125-B) used with the following devices: 1) NxStage One, Model NX1000-1; 2) NxStage VerDeviceClass II1
11 Apr 2019NxStage PureFlow B Solution, REF RFP-400, M535RFP4000 Product NxStage PureFlow B Solution is indicated for use with renaDeviceClass II2
17 Oct 2018NxStage PureFlow B Solution-RFP-400, Premixed Dialysate for Hemodialysis. NxStage PureFlow B Solution is indicated for uDeviceClass II8
11 Jun 2018NxStage Express Fluid Warmer (FW-300, FW-300-A, FW-300-WW, FW-301, FW-301-A) Product Usage: The NxStage Express Fluid WaDeviceClass II1
29 Jan 2018NxStage Dialysate Sack: 1) REF SAK-301 UDI-M535SAK3010, 2) REF SAK-302 UDI-M535SAK3020, 3) REF SAK-303 UDI-M535SAK3030, DeviceClass II1
29 Oct 2015NxStage System One S Cycler - Model no. NX1000-3. For home hemodialysis.DeviceClass II3
29 Oct 2015NxStage System One S Cycler (High Permeability Hemodialysis System) Model no. NX1000-5DeviceClass II2
14 May 2014NxStage Dialysate Sack (SAK) with Concentrate for Use with PureFlow SL REF: SAK-301 Lactate 45, Potassium 1, Sodium 140,DeviceClass II8

All 13 events for NxStage Medical, Inc.

Questions and answers

Why was this device recalled?

FDA's record gives the reason for recall as: "Using different fluid formulations of NxStage PureFlow B Solution at the same time during treatment may cause patient health risk. The NxStage PureFlow B Solution is for use with systems that use one premixed dialysate during hemodialysis. The original labeling did not warn against mixing dialysate formulations and did not instruct staff to verify that the fluid is flowing during use."

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 Terminated; the termination date is 6 Dec 2019. "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.