510(k) Report

510(k) · Cleared

Recalled · Class II · 2026

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)

K243786510(k) TraditionalCleared Apr 4, 2025116-day reviewClass II21 CFR 876.5820Recalls 2

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Fresenius Medical Care Renal Therapies Group, LLC · KPO Dialysate Concentrate For Hemodialysis (Liquid Or Powder)

Cleared on Apr 4, 2025 as substantially equivalent to K233950 (Fresenius Medical Care Renal Therapies Group, LLC, 2024) and 1 other predicate after a 116-day review. Its family tree reaches back 10 generations to 1987. 1 later device descends from it. It has been recalled 2 times.

Decided
Apr 4, 2025
Review
116 days
Class
Class II
Product code
KPO
Recalls
2
Predicates
2

Its longest line of descent runs back 10 generations to K864265 (1987). 16 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2005: 1 other ancestor2004: 1 other ancestor2001: 1 other ancestor2000: 1 other ancestor1991: 1 other ancestor2002: 1 other ancestor2025: 1 descendant clearedReference device: K052393 · B. Braun Modified Bicarbonate Dialysate · B.Braun Medical, Inc. · 2005Reference device: K162887 · PrismaSATE · Baxter Healthcare Corporation · 2017K864265 · Hemodialysis Bath Concentrate Solutions for Hemodi · Dial Medical of Florida, Inc. · 1987K013448 · Prismasate · Gambro Renal Products · 2002K022913 · Nxstage Premixed Dialysate · Nxstage Medical, Inc. · 2002K033386 · Nxstage Pureflow Solution · Nxstage Medical, Inc. · 2003K042045 · Nxstage Pureflow-B Solution · Nxstage Medical, Inc. · 2004 · recalledK072908 · Prismasate Dialysis Solutions for Continuous Renal Replacement Therapy · Gambro Renal Products · 2008 · recalledK120333 · Prismasate Dialysis Solutions for Continuius Renal Replacement Therapy · Gambro Renal Products · 2012K162887 · PrismaSATE · Baxter Healthcare Corporation · 2017K233159 · pureFLOW 402, pureFLOW 400, pureFLOW 406, pureFLOW 401, pureFLOW 502, pureFLOW 504 · Fresenius Medical Care Renal Therapies Group, LLC · 2023K233950 · pureFLOW 402 (F00012067); pureFLOW 406 (F00012068); pureFLOW 401 (F00012069); pureFLOW 400 (F00012070) · Fresenius Medical Care Renal Therapies Group, LLC · 2024 · recalled1990200020102020
  1. Root · 10 generations backK864265 Hemodialysis Bath Concentrate Solutions for HemodiDial Medical of Florida, Inc. · 1987
  2. 6 generations between
  3. 3 generations backK162887 PrismaSATEBaxter Healthcare Corporation · 2017
  4. 2 generations backK233159 pureFLOW 402, pureFLOW 400, pureFLOW 406, pureFLOW 401, pureFLOW…Fresenius Medical Care Renal Therapies Group, LLC · 2023
  5. 1 generation backK233950 pureFLOW 402 (F00012067); pureFLOW 406 (F00012068); pureFLOW 401…Fresenius Medical Care Renal Therapies Group, LLC · 2024 · Recalled
  6. This deviceK243786 Bicarby Dialysate RFP-402 (RFP-402-G); Bicarby Dialysate RFP-400…Fresenius Medical Care Renal Therapies Group, LLC · 2025
  7. Descendant · cites it directly · 0 of its ownK252180 Bicarby Dialysate RFP-404 (RFP-404-W); Bicarby Dialysate RFP-403…Fresenius Medical Care Renal Therapies Group, LLC · 2025
Show all 10 generations
  1. Root · 10 generations backK864265 Hemodialysis Bath Concentrate Solutions for HemodiDial Medical of Florida, Inc. · 1987
  2. 9 generations backK013448 PrismasateGambro Renal Products · 2002
  3. 8 generations backK022913 Nxstage Premixed DialysateNxstage Medical, Inc. · 2002
  4. 7 generations backK033386 Nxstage Pureflow SolutionNxstage Medical, Inc. · 2003
  5. 6 generations backK042045 Nxstage Pureflow-B SolutionNxstage Medical, Inc. · 2004 · Recalled
  6. 5 generations backK072908 Prismasate Dialysis Solutions for Continuous Renal Replacement TherapyGambro Renal Products · 2008 · Recalled
  7. 4 generations backK120333 Prismasate Dialysis Solutions for Continuius Renal Replacement TherapyGambro Renal Products · 2012
  8. 3 generations backK162887 PrismaSATEBaxter Healthcare Corporation · 2017
  9. 2 generations backK233159 pureFLOW 402, pureFLOW 400, pureFLOW 406, pureFLOW 401, pureFLOW…Fresenius Medical Care Renal Therapies Group, LLC · 2023
  10. 1 generation backK233950 pureFLOW 402 (F00012067); pureFLOW 406 (F00012068); pureFLOW 401…Fresenius Medical Care Renal Therapies Group, LLC · 2024 · Recalled
  11. This deviceK243786 Bicarby Dialysate RFP-402 (RFP-402-G); Bicarby Dialysate RFP-400…Fresenius Medical Care Renal Therapies Group, LLC · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K252180Bicarby Dialysate RFP-404 (RFP-404-W); Bicarby Dialysate RFP-403 (RFP-403-W); Bicarby…Fresenius Medical Care Renal Therapies Group, LLC · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K864265Hemodialysis Bath Concentrate Solutions for HemodiDial Medical of Florida, Inc.1987—
−9K013448PrismasateGambro Renal Products2002—
−8K022913Nxstage Premixed DialysateNxstage Medical, Inc.2002—
−7K033386Nxstage Pureflow SolutionNxstage Medical, Inc.2003—
−6K042045Nxstage Pureflow-B SolutionNxstage Medical, Inc.20041
−5K072908Prismasate Dialysis Solutions for Continuous Renal Replacement TherapyGambro Renal Products20081
−4K120333Prismasate Dialysis Solutions for Continuius Renal Replacement TherapyGambro Renal Products2012—
−3K162887PrismaSATEBaxter Healthcare Corporation2017—
−2K233159pureFLOW 402, pureFLOW 400, pureFLOW 406, pureFLOW 401, pureFLOW 502, pureFLOW…Fresenius Medical Care Renal Therapies Group, LLC2023—
−1K233950pureFLOW 402 (F00012067); pureFLOW 406 (F00012068); pureFLOW 401 (F00012069)…Fresenius Medical Care Renal Therapies Group, LLC20241
0 (this device)K243786Bicarby Dialysate RFP-402 (RFP-402-G); Bicarby Dialysate RFP-400 (RFP-400-G)…Fresenius Medical Care Renal Therapies Group, LLC2025—
+1K252180Bicarby Dialysate RFP-404 (RFP-404-W); Bicarby Dialysate RFP-403 (RFP-403-W)…Fresenius Medical Care Renal Therapies Group, LLC2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
200010
200110
200210
200410
200510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K243786, 1987–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KPO? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new KPO device

  1. #1 K233159 pureFLOW 402, pureFLOW 400, pureFLOW 406…score 14.5 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K233950pureFLOW 402 (F00012067); pureFLOW 406 (F00012068); pureFLOW 401 (F00012069); pureFLOW…
Summary page 5
…Legally Marketed Predicate Device The legally marketed predicate device for the proposed Bicarby and Ci-Ca solutions is the pureFLOW 400 series dialysis solutions (K233950). The pureFLOW 500 series dialysis solutions are being used as a secondary predicate device (K233159). Neither of these devices a…
Fresenius Medical Care Renal Therapies Group, LLC20241
*K233159pureFLOW 402, pureFLOW 400, pureFLOW 406, pureFLOW 401, pureFLOW 502, pureFLOW 504
Summary page 5
…y and Ci-Ca solutions is the pureFLOW 400 series dialysis solutions (K233950). The pureFLOW 500 series dialysis solutions are being used as a secondary predicate device (K233159). Neither of these devices are currently subject to design-related recalls. The B. Braun Modified Duosol Bicarbonate Dialysate (K…
Fresenius Medical Care Renal Therapies Group, LLC2023—
†K052393B. Braun Modified Bicarbonate DialysateB.Braun Medical, Inc.2005—
†K162887PrismaSATEBaxter Healthcare Corporation2017—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K252180Bicarby Dialysate RFP-404 (RFP-404-W); Bicarby Dialysate RFP-403 (RFP-403-W); Bicarby…Fresenius Medical Care Renal Therapies Group, LLC20250

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
May 12, 2026Class IIZ-2321-2026Process designGiven 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 manipulation of the frangible and tubing…
May 7, 2026Class IIZ-2401-2026Process controlThere is an error in the labeling of the GTIN on the product. When scanned; however, the case labeling, lot number, and printed labeling on the product correctly identifies the product code and the solution contained in the bag. In the…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 38 years and passes through 5 companies; a new generation was cleared every 3.4 years on median.
  • 3 of the 16 ancestors have a recall of any class.
  • Of its descendants, K252180 (Fresenius Medical Care Renal Therapies Group, LLC, 2025) has gone furthest, with 0 descendants of its own.

How does its category compare?

All KPO devices

KPO Dialysate Concentrate For Hemodialysis (Liquid Or Powder): FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · KPO

2in 2025

2007: 22008: 22009: 12011: 12012: 22013: 12014: 22015: 12016: 12017: 32018: 22020: 52021: 12022: 22023: 32024: 32025: 22026 (partial year): 2
2007high 5 (2020) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KPO

112in 2024

2017: 192 days median2020: 270 days median2023: 263 days median2024: 112 days median
2007high 270 (2020) · low 112 (2024)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · KPO

6in 2025

2007: 52008: 22009: 12011: 22012: 102015: 32016: 12017: 12018: 112019: 12020: 312022: 22024: 12025: 62026 (partial year): 9
2007high 31 (2020) · low 0 (2010)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · KPO

95in 2025

2007: 52008: 82009: 32010: 1072011: 2232012: 702013: 3,8972014: 15,9162015: 8,3402016: 2402017: 802018: 972019: 792020: 2442021: 632022: 252023: 592024: 2592025: 95
2007high 15,916 (2014) · low 3 (2009)2025

MAUDE reports naming product code KPO, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—55
20082—28
20091—13
20100—0107
20111—2223
20122—1070
20131—03,897
20142—015,916
20151—38,340
20161—1240
20173192180
20182—1197
20190—179
2020527031244
20211—063
20222—225
20233263059
202431121259
20252—695
20262—9—

What is it indicated for?

Bicarby™ Dialysate solutions are indicated for use as a dialysis fluid for adult patients in acute care settings, requiring Kidney Replacement Therapies (KRT).

Ci-Ca Dialysate solutions are indicated for use as a dialysis fluid for adult patients in acute care settings, requiring Kidney Replacement Therapies (KRT).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “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).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K243786

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026