--- title: "NxStage PureFlow-B Solution. Catalog numbers: RFP-400, RFP-401, RFP-402, RFP-... — FDA record Z-1864-2025 | Is It on Recall" description: "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 atte" url: https://isitonrecall.com/recall/fda-device-z-1864-2025-nxstage-pureflow-b-solution-catalog-numbers-rfp-400-rfp-401-rfp-402-rfp-403-rfp-404-rfp-406-rfp-453/ updated: 2026-10-01 site: "Is It on Recall" language: en --- [Recall archive](https://isitonrecall.com/archives/) / FDA device enforcement # NxStage PureFlow-B Solution. Catalog numbers: RFP-400, RFP-401, RFP-402, RFP-403, RFP-404, RFP-406, RFP-453, RFP-454,... — FDA record Z-1864-2025 Reported ongoing Status as reported in the agency record. FDA warns that enforcement status may not track the current recall lifecycle; check the current official notice. Source date Apr 28, 2025. Retrieved Oct 1, 2026. Last updated Oct 1, 2026. Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/). ## What the record says - **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. - **Reason**: 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. - **Classification**: Class II - **Recalling firm**: NxStage Medical Inc - **Quantity**: 115,465 cases (230,930 units) - **Agency-reported status**: Ongoing - **Source record identifier**: Z-1864-2025 [Open the official record](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-1864-2025%22) [What the recall classes mean](https://isitonrecall.com/guides/recall-classes/). Classification is an agency assessment, not individual medical advice. ## Lot and product identifiers | Label field | Details supplied by the agency | | --- | --- | | Lot, code or applicability | 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. | Match all identifying details in the current notice. A brand name alone is not enough. ## Distribution US Nationwide distribution. States below are derived from the distribution text, including nationwide wording. They are not inferred from the firm's address. - [Alaska](https://isitonrecall.com/state/alaska/) - [Alabama](https://isitonrecall.com/state/alabama/) - [Arkansas](https://isitonrecall.com/state/arkansas/) - [Arizona](https://isitonrecall.com/state/arizona/) - [California](https://isitonrecall.com/state/california/) - [Colorado](https://isitonrecall.com/state/colorado/) - [Connecticut](https://isitonrecall.com/state/connecticut/) - [Delaware](https://isitonrecall.com/state/delaware/) - [Florida](https://isitonrecall.com/state/florida/) - [Georgia](https://isitonrecall.com/state/georgia/) - [Hawaii](https://isitonrecall.com/state/hawaii/) - [Iowa](https://isitonrecall.com/state/iowa/) - [Idaho](https://isitonrecall.com/state/idaho/) - [Illinois](https://isitonrecall.com/state/illinois/) - [Indiana](https://isitonrecall.com/state/indiana/) - [Kansas](https://isitonrecall.com/state/kansas/) - [Kentucky](https://isitonrecall.com/state/kentucky/) - [Louisiana](https://isitonrecall.com/state/louisiana/) - [Massachusetts](https://isitonrecall.com/state/massachusetts/) - [Maryland](https://isitonrecall.com/state/maryland/) - [Maine](https://isitonrecall.com/state/maine/) - [Michigan](https://isitonrecall.com/state/michigan/) - [Minnesota](https://isitonrecall.com/state/minnesota/) - [Missouri](https://isitonrecall.com/state/missouri/) - [Mississippi](https://isitonrecall.com/state/mississippi/) - [Montana](https://isitonrecall.com/state/montana/) - [North Carolina](https://isitonrecall.com/state/north-carolina/) - [North Dakota](https://isitonrecall.com/state/north-dakota/) - [Nebraska](https://isitonrecall.com/state/nebraska/) - [New Hampshire](https://isitonrecall.com/state/new-hampshire/) - [New Jersey](https://isitonrecall.com/state/new-jersey/) - [New Mexico](https://isitonrecall.com/state/new-mexico/) - [Nevada](https://isitonrecall.com/state/nevada/) - [New York](https://isitonrecall.com/state/new-york/) - [Ohio](https://isitonrecall.com/state/ohio/) - [Oklahoma](https://isitonrecall.com/state/oklahoma/) - [Oregon](https://isitonrecall.com/state/oregon/) - [Pennsylvania](https://isitonrecall.com/state/pennsylvania/) - [Rhode Island](https://isitonrecall.com/state/rhode-island/) - [South Carolina](https://isitonrecall.com/state/south-carolina/) - [South Dakota](https://isitonrecall.com/state/south-dakota/) - [Tennessee](https://isitonrecall.com/state/tennessee/) - [Texas](https://isitonrecall.com/state/texas/) - [Utah](https://isitonrecall.com/state/utah/) - [Virginia](https://isitonrecall.com/state/virginia/) - [Vermont](https://isitonrecall.com/state/vermont/) - [Washington](https://isitonrecall.com/state/washington/) - [Wisconsin](https://isitonrecall.com/state/wisconsin/) - [West Virginia](https://isitonrecall.com/state/west-virginia/) - [Wyoming](https://isitonrecall.com/state/wyoming/) ## Dates in the source - **Report date**: Jun 4, 2025 - **Recall initiation date**: Apr 28, 2025 - **Center classification date**: May 28, 2025 FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable. ## What to do next Read the official notice for the action that applies to your exact product. [Read the current instructions](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-1864-2025%22) ## Related records [Medical devices records](https://isitonrecall.com/category/medical-devices/) [NxStage Medical Inc records](https://isitonrecall.com/brand/nxstage-medical-inc/)