510(k) · Cleared
ClearedAllient Sorbent Hemodialysis System, Model 1000
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Renal Solutions, Inc. · FKT System, Dialysate Delivery, Sorbent Regenerated
Cleared on Jun 3, 2005 as substantially equivalent to K840743 (Organon Teknika Corp., 1984) and 1 other predicate after a 158-day review. Its family tree reaches back 1 generation to 1984. 1 later device descends from it.
- Decided
- Jun 3, 2005
- Review
- 158 days
- Class
- Class II
- Product code
- FKT
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K840743 (1984). 2 ancestors in all. 1 later device descends from it, 1 citing it directly.
Most influential descendants
Showing 1 of 1 · See all- K060381Allient Sorbet Hemodialysis System, Model 1100Renal Solutions, Inc. · 2006 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K840743 | REDY 2000 | Organon Teknika Corp. | 1984 | — |
| 0 (this device) | K043574 | Allient Sorbent Hemodialysis System, Model 1000 | Renal Solutions, Inc. | 2005 | — |
| +1 | K060381 | Allient Sorbet Hemodialysis System, Model 1100 | Renal Solutions, Inc. | 2006 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1988 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2006 | 1 | 0 |
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 FKT? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K840743 | REDY 2000Summary page 1…ystem Common System, Dialysate Delivery, Sorbent Regenerated Name Classification Class II per 21CFR876.5600 code FKT Predicate Device REDY 2000 (K840743 and K882428) Information Device Overview of the Allient® Sorbent Hemodialysis System Description… | 1984 |
| * | K882428 | REDY 2000Summary page 1…n System, Dialysate Delivery, Sorbent Regenerated Name Classification Class II per 21CFR876.5600 code FKT Predicate Device REDY 2000 (K840743 and K882428) Information Device Overview of the Allient® Sorbent Hemodialysis System Description The All… | 1988 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K060381 | Allient Sorbet Hemodialysis System, Model 1100 | 2006 | 0 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- None of the 2 ancestors has a recall.
- Of its descendants, K060381 (Renal Solutions, Inc., 2006) has gone furthest, with 0 descendants of its own.
How does its category compare?
All FKT devicesFKT System, Dialysate Delivery, Sorbent Regenerated: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · FKT
1in 2013
2026 to Oct 25, outlined.
Median 510(k) review, days · FKT
Too few FKT 510(k)s in any year since 2007 to give a median.
Recalls per year · FKT
No recall names FKT since 2007.
Adverse event reports per year · FKT
1in 2012
MAUDE reports naming product code FKT, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 1 |
| 2011 | 0 | — | 0 | 1 |
| 2012 | 0 | — | 0 | 1 |
| 2013 | 1 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Allient® Sorbent Hemodialysis System, including the SORB™ series and HISORB™ series of cartridges, is to be used for the treatment of acute and chronic uremic patients where hemodialysis is prescribed by the physician.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K043574 · printed Nov 4, 2026
Cite this page
510(k) Report. “K043574: Allient Sorbent Hemodialysis System, Model 1000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K043574
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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