510(k) Report

510(k) · Cleared

Recalled · Class II · 2015

Hemocor HP Hemoconcentrator Series

K923139510(k) TraditionalCleared Feb 18, 1994599-day reviewClass II21 CFR 876.5860Recalls 1

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

Minntech Corp. · KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System

Cleared on Feb 18, 1994 after a 599-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 9 later devices descend from it. It has been recalled once.

Decided
Feb 18, 1994
Review
599 days
Class
Class II
Product code
KDI
Recalls
1
Predicates
0

9 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2013: 1 descendant cleared2002: 1 descendant cleared1998: 2 descendants cleared2025: 2 descendants cleared2008: 1 descendant cleared2024: 1 descendant cleared1999: 1 descendant cleared1990200020102020
  1. This deviceK923139 Hemocor HP Hemoconcentrator SeriesMinntech Corp. · 1994
  2. Descendant · cites it directly · 2 of its ownK021732 DHF 0.2 Hemoconcentrator: Dideco Newborn-Infant Hemoncentration; DHR…Dideco S.P.A. · 2002
  3. Descendant · cites it directly · 2 of its ownK973516 Capiox HemoconcentratorTerumo Medical Corp. · 1998
  4. Descendant · 2 generations on · 1 of its ownK081313 SH14 HemoconcentratorSorin Group Italia S.R.L. · 2008
  5. Descendant · cites it directly · 1 of its ownK974584 Fresenius F Series Hemoconcentrators…Fresenius USA, Inc. · 1998
  6. Descendant · 2 generations on · 0 of its ownK243920 Purema H Hemoconcentrator - PediatricMedica USA, Inc. · 2025

Showing 5 of 9 descendants. See all descendants

Descendants cleared per year

1998: 21999: 12002: 12008: 12013: 12024: 12025: 2
1998high 2 (1998) · low 0 (2000)2026

Most influential descendants

Showing 5 of 9 · See all
  • K021732DHF 0.2 Hemoconcentrator: Dideco Newborn-Infant Hemoncentration; DHR 0.6…Dideco S.P.A. · 2002 · cites it directly2descendants
  • K973516Capiox HemoconcentratorTerumo Medical Corp. · 1998 · cites it directly2descendants
  • K081313SH14 HemoconcentratorSorin Group Italia S.R.L. · 2008 · 2 generations on1descendant
  • K974584Fresenius F Series Hemoconcentrators F400,F500,F700,F800,F400TS,F500TS,F700S,F800TSFresenius USA, Inc. · 1998 · cites it directly1descendant
  • K243920Purema H Hemoconcentrator - PediatricMedica USA, Inc. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K923139Hemocor HP Hemoconcentrator SeriesMinntech Corp.1994—
+1K021732DHF 0.2 Hemoconcentrator: Dideco Newborn-Infant Hemoncentration; DHR 0.6…Dideco S.P.A.2002—
+1K973516Capiox HemoconcentratorTerumo Medical Corp.1998—
+2K081313SH14 HemoconcentratorSorin Group Italia S.R.L.2008—
+1K974584Fresenius F Series Hemoconcentrators…Fresenius USA, Inc.1998—
+2K243920Purema H Hemoconcentrator - PediatricMedica USA, Inc.2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199820
199910
200210
200810
201310
202410
202520
FIG. 1 — Lineage of K923139, 1994–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KDI? 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 KDI device

  1. #1 K243874 FX CorAL 60 (F00012969); FX CorAL 80…score 18.2 · 12 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (9)

4 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K021732DHF 0.2 Hemoconcentrator: Dideco Newborn-Infant Hemoncentration; DHR 0.6…Dideco S.P.A.20022
K973516Capiox HemoconcentratorTerumo Medical Corp.19982
K974584Fresenius F Series Hemoconcentrators F400,F500,F700,F800,F400TS,F500TS,F700S,F800TSFresenius USA, Inc.19981
K123288HemoconcentratorMaquet Cardiopulmonary, AG20130

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

Recalls of this device

DateClassRecallRoot causeReason
Aug 18, 2015Class IIZ-2735-2015Nonconforming Material/ComponentHemocor High Performance Hemoconcentrators demonstrate low ultrafiltration performance that is below product specification. These potentially affected units have been distributed as stand-alone devices and in specific lots of Medtronic…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K021732 (Dideco S.P.A., 2002) has gone furthest, with 2 descendants of its own.

How does its category compare?

All KDI devices

KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KDI

9in 2025

2007: 112008: 62009: 42010: 92011: 52012: 62013: 112014: 82015: 52016: 52017: 82018: 22019: 42020: 92021: 22022: 72023: 72024: 72025: 92026 (partial year): 6
2007high 11 (2007) · low 2 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KDI

199in 2025

2007: 91 days median2008: 148 days median2009: 236 days median2010: 186 days median2011: 85 days median2012: 153 days median2013: 247 days median2014: 164 days median2015: 69 days median2016: 230 days median2017: 188 days median2019: 263 days median2020: 266 days median2022: 259 days median2023: 157 days median2024: 235 days median2025: 199 days median2026 (partial year): 154 days median
2007high 266 (2020) · low 69 (2015)2026

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

Recalls per year · KDI

2in 2025

2007: 42009: 32010: 12011: 42012: 12013: 22014: 32015: 52016: 42017: 12018: 12019: 62021: 22022: 172023: 8, 8 Class I2024: 4, 2 Class I2025: 22026 (partial year): 2
2007high 17 (2022) · low 0 (2008)2026

Class I (10 since 2007) Class II/III not classified

Adverse event reports per year · KDI

2,786in 2025

2007: 9162008: 1,0422009: 5222010: 8232011: 2,2702012: 1,7652013: 2,3602014: 6,1542015: 4,1822016: 7662017: 9632018: 1,7162019: 1,5872020: 1,6332021: 1,9442022: 2,1802023: 2,6922024: 2,4412025: 2,786
2007high 6,154 (2014) · low 522 (2009)2025

MAUDE reports naming product code KDI, 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
200711914916
2008614801,042
200942363522
201091861823
201158542,270
2012615311,765
20131124722,360
2014816436,154
201556954,182
201652304766
201781881963
20182—11,716
2019426361,587
2020926601,633
20212—21,944
20227259172,180
202371578 (8)2,692
202472354 (2)2,441
2025919922,786
202661542—
Cite this page

510(k) Report. “K923139: Hemocor HP Hemoconcentrator Series.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K923139

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026