510(k) Report

510(k) · Cleared

Cleared

Allient Sorbent Hemodialysis System, Model 1000

K043574510(k) TraditionalCleared Jun 3, 2005158-day reviewClass II21 CFR 876.5600

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

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.

Other ancestors, by year clearedDescendants, by year cleared 1988: 1 other ancestor2006: 1 descendant clearedK840743 · REDY 2000 · Organon Teknika Corp. · 198419801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant K840743 · REDY 2000 · Organon Teknika Corp. · 19840
  1. Root · 1 generation backK840743 REDY 2000Organon Teknika Corp. · 1984
  2. This deviceK043574 Allient Sorbent Hemodialysis System, Model 1000Renal Solutions, Inc. · 2005
  3. Descendant · cites it directly · 0 of its ownK060381 Allient Sorbet Hemodialysis System, Model 1100Renal Solutions, Inc. · 2006

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

GenerationNumberDeviceApplicantDecidedRecalls
−1K840743REDY 2000Organon Teknika Corp.1984—
0 (this device)K043574Allient Sorbent Hemodialysis System, Model 1000Renal Solutions, Inc.2005—
+1K060381Allient Sorbet Hemodialysis System, Model 1100Renal Solutions, Inc.2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
FIG. 1 — Lineage of K043574, 1984–2006Source: 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 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
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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
*K840743REDY 2000
Summary 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…
Organon Teknika Corp.1984—
*K882428REDY 2000
Summary 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…
Organon Teknika Corp.1988—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K060381Allient Sorbet Hemodialysis System, Model 1100Renal Solutions, Inc.20060

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 devices

FKT System, Dialysate Delivery, Sorbent Regenerated: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FKT

1in 2013

2007: 12010: 12013: 1
2007high 1 (2007) · low 0 (2008)2026

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

2008: 12010: 12011: 12012: 1
2007high 1 (2008) · low 0 (2007)2025

MAUDE reports naming product code FKT, 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
20071—00
20080—01
20090—00
20101—01
20110—01
20120—01
20131—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—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.

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