# K233950: pureFLOW 402 (F00012067); pureFLOW 406 (F00012068); pureFLOW 401 (F00012069); pureFLOW 400 (F00012070)

- Pathway: 510(k) (Traditional)
- Applicant: Fresenius Medical Care Renal Therapies Group, LLC
- Decided: May 10, 2024 after 148 days
- Product code: KPO (Dialysate Concentrate For Hemodialysis (Liquid Or Powder))
- Device class: 2
- Regulation: 21 CFR 876.5820
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 9 generations back to K864265 (1987). 15 ancestors in all.
2 later devices descend from it; 1 cites it directly.
0 of 18 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K233159: pureFLOW 402, pureFLOW 400, pureFLOW 406, pureFLOW 401, pureFLOW 502, pureFLOW 504, Fresenius Medical Care Renal Therapies Group, LLC (2023) Summary page 5.

## Most influential descendants
- K243786: Bicarby Dialysate RFP-402 (RFP-402-G); Bicarby Dialysate RFP-400 (RFP-400-G); Bicarby Dialysate RFP-407 (RFP-407-G); Bicarby Dialysate RFP-401 (RFP-401-G); Bicarby Dialysate RFP-404 (RFP-404-G); Bicarby Dialysate RFP-456 (RFP-456-G); Ci-Ca Dialysate 2K (RFP-457-G); Ci-Ca Dialysate 4K (RFP-458-G) (2025), 1 descendant of its own
- K252180: Bicarby Dialysate RFP-404 (RFP-404-W); Bicarby Dialysate RFP-403 (RFP-403-W); Bicarby Dialysate RFP-403 (RFP-403-G); Bicarby Dialysate RFP-453 (RFP-453-W); Bicarby Dialysate RFP-453 (RFP-453-G); Bicarby Dialysate RFP-454 (RFP-454-W); Bicarby Dialysate RFP-454 (RFP-454-G); Bicarby Dialysate RFP-456 (RFP-456-W) (2025), 0 descendants of its own

## Recalls of this device
- May 12, 2026 · Class II · Z-2321-2026: Given the increased number of leaks reported by users, it was determined to be the appropriate course of action to notify users of the potential for the occurrence of Bicarby luer-lock leaks during ma

## Indications for use
pureFLOW solutions are indicated for use as a dialysate in Continuous Renal Replacement Therapy.

Source page: https://510kreport.com/device/K233950
Methodology: https://510kreport.com/methodology