Z-1864-2025Class II

NxStage PureFlow-B Solution. Catalog numbers: RFP-400, RFP-401, RFP-402, RFP-403, RFP-404, RFP-406, RFP-453...

Name: Z-1864-2025 NxStage PureFlow-B Solution. Catalog numbers: RFP-400, RFP-401, RFP-402, RFP-403, RFP-404, RFP-406, RFP-453...
Creator: NxStage Medical Inc
Published: 2025-04-28
License: https://open.fda.gov/license/

NxStage Medical Inc / initiated 2025-04-28 / Open, Classified

FDA source

NxStage Medical Inc began a recall of NxStage PureFlow-B Solution. Catalog numbers: RFP-400, RFP-401, RFP-402, RFP-403, RFP-404, RFP-406, RFP-453, RFP-454, RFP-456 on 2025-04-28. FDA classified it as Class II and gives the reason as "Potential for the perimeter seal on the small chamber of the two-chamber bag to fail causing the electrolyte fluid to splash into the face of the user when attempting to open the peel seam to mix the two chambers prior...". As of 2026-09-10, the recall status on record is Open, Classified.

Recall record

Recall number: Z-1864-2025
Classification: Class II
Status: Open, Classified
Initiated: 2025-04-28
Posted: 2025-05-28
Recalling firm: NxStage Medical Inc
Product: NxStage PureFlow-B Solution. Catalog numbers: RFP-400, RFP-401, RFP-402, RFP-403, RFP-404, RFP-406, RFP-453, RFP-454, RFP-456.
Product code: KPO Dialysate Concentrate For Hemodialysis (Liquid Or Powder)
Reason for recall: Potential for the perimeter seal on the small chamber of the two-chamber bag to fail causing the electrolyte fluid to splash into the face of the user when attempting to open the peel seam to mix the two chambers prior to treatment.
FDA root cause: Under Investigation by firm
Action: NxStage notified consignees via mail on 04/28/2025. Consignees were instructed to check inventory for affected units and cease use if any are on hand, complete and return the response form, and contact NxStage Customer Service to arrange return of all affected units.
Quantity in commerce: 115,465 cases (230,930 units)
Distribution: US Nationwide distribution.
Product codes and lots: a. UDI-DI number: M535RFP4000. Device Catalog Number RFP-400. Lot Numbers: Q2407307, Q2407308, Q2407309. b. UDI-DI number: M535RFP4010. Device Catalog Number RFP-401. Lot Numbers: Q2407061, Q2407147, Q2407148, Q2407149, Q2407313, Q2407386, Q2407387, Q2407388, Q2407389, Q2407390. c. UDI-DI number: M535RFP4020. Device Catalog Number RFP-402. Lot Numbers: Q2407213, Q2407214. d. UDI-DI number: M535RFP4030. Device Catalog Number RFP-403. Lot Number: Q2407311. e. UDI-DI number: M535RFP4040. Device Catalog Number RFP-404. Lot Numbers: Q2407062, Q2407063, Q2407064, Q2407065, Q2407067, Q2407068, Q2407069, Q2407070, Q2407071, Q2407217, Q2407218, Q2407219, Q2407220, Q2407221, Q2407222, Q2407223, Q2407224, Q2407225, Q2407301, Q2407302, Q2407303, Q2407304, Q2407305, Q2407306, Q2407391, Q2407392, Q2407405, Q2407406. f. UDI-DI number: M535RFP4060. Device Catalog Number RFP-406. Lot Numbers: Q2407072, Q2407137, Q2407140, Q2407141, Q2407216, Q2407310, Q2407312. g. UDI-DI number: M535RFP4530. Device Catalog Number RFP-453. Lot Number: Q2407066. h. UDI-DI number: M535RFP4540. Device Catalog Number RFP-454. Lot Numbers: Q2407145, Q2407146, Q2407226. j. UDI-DI number: M535RFP4560. Device Catalog Number RFP-456. Lot Numbers: Q2407138, Q2407139, Q2407142, Q2407143, Q2407144, Q2407227.

Enforcement reports

One row per recalled product line

FDA enforcement reports joined to recall event Z-1864-2025
Recall number	Class	Status	Voluntary or mandated	Report date	Classified
Z-1864-2025	Class II	Ongoing	Voluntary: Firm initiated	2025-06-04	2025-05-28

Product code KPO

K053286Class IIModification to: Nxstage Pureflow-B SolutionNxstage Medical, Inc. / cleared 2005-12-22

MDM coverage of this record lists here, newest first.

About this record

Sourced from the FDA device recall database and the FDA enforcement reports, both ingested from openFDA. The recall record supplies the product, the reason and the product code; the enforcement report supplies the classification. The two datasets are exported by FDA on different days, and the date above is the older of the two, so nothing on this page is newer than it says.

MDM adds the root cause tag, derived from FDA’s own root cause text, and the cross-links to the product code, the clearances named on the record and MDM coverage. Where a recall has not been joined to an enforcement report, no classification is shown.

Data as of 2026-09-30, the FDA export date for this dataset. Page last changed 2026-09-05. View this recall on fda.gov (opens on fda.gov)