# K233159: pureFLOW 402, pureFLOW 400, pureFLOW 406, pureFLOW 401, pureFLOW 502, pureFLOW 504

- Pathway: 510(k) (Traditional)
- Applicant: Fresenius Medical Care Renal Therapies Group, LLC
- Decided: Dec 1, 2023 after 65 days
- Product code: KPO (Dialysate Concentrate For Hemodialysis (Liquid Or Powder))
- Device class: 2
- Regulation: 21 CFR 876.5820
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 8 generations back to K864265 (1987). 14 ancestors in all.
3 later devices descend from it; 2 cite 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)
- K162887: PrismaSATE, Baxter Healthcare Corporation (2017) Summary page 6.

## Most influential descendants
- K233950: pureFLOW 402 (F00012067); pureFLOW 406 (F00012068); pureFLOW 401 (F00012069); pureFLOW 400 (F00012070) (2024), 2 descendants of its own
- 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

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

Source page: https://510kreport.com/device/K233159
Methodology: https://510kreport.com/methodology