510(k) Report

510(k) · Cleared

Cleared

FlowSaver Blood Filter

K210176510(k) TraditionalCleared Jul 22, 2021181-day reviewClass II21 CFR 868.5830

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

Inari Medical · CAC Apparatus, Autotransfusion

Cleared on Jul 22, 2021 as substantially equivalent to K024097 (Summit Medical, Ltd., 2003) after a 181-day review. Its family tree reaches back 3 generations to 1996. 6 later devices descend from it.

Decided
Jul 22, 2021
Review
181 days
Class
Class II
Product code
CAC
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K951592 (1996). 5 ancestors in all. 6 later devices descend from it, 2 citing it directly.

Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 2 descendants K024097 · Summit Medical LTD Celltrans Postoperative Autotransfusion Set, Models AB400-10, AB400-12, AB400-14 · Summit Medical, Ltd. · 2003K022489 · Summit Medical LTD Celltrans Postoperative Autotransfusion System, Models ABT4510, ABT4512 & ABT4514 · Summit Medical, Ltd. · 2002K951592 · Betatrans I and II · Duxbury Scientific, Inc. · 19960
  1. Root · 3 generations backK951592 Betatrans I and IIDuxbury Scientific, Inc. · 1996
  2. 2 generations backK022489 Summit Medical LTD Celltrans Postoperative Autotransfusion System…Summit Medical, Ltd. · 2002
  3. 1 generation backK024097 Summit Medical LTD Celltrans Postoperative Autotransfusion Set…Summit Medical, Ltd. · 2003
  4. This deviceK210176 FlowSaver Blood FilterInari Medical · 2021
  5. Descendant · cites it directly · 3 of its ownK240426 Aventus Clot Management SystemInquis Medical · 2024
  6. Descendant · 2 generations on · 2 of its ownK253925 Aventus Thrombectomy SystemInquis Medical · 2026
  7. Descendant · cites it directly · 1 of its ownK221483 FlowSaver Blood Return SystemInari Medical, Inc. · 2023
  8. Descendant · 3 generations on · 0 of its ownK261105 Powered Aventus Thrombectomy System™Inquis Medical · 2026
  9. Descendant · 3 generations on · 0 of its ownK262030 Aventus Thrombectomy SystemInquis Medical · 2026

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2023: 22024: 12026: 3
2023high 3 (2026) · low 0 (2025)2026

Most influential descendants

Showing 5 of 6 · See all
  • K240426Aventus Clot Management SystemInquis Medical · 2024 · cites it directly3descendants
  • K253925Aventus Thrombectomy SystemInquis Medical · 2026 · 2 generations on2descendants
  • K221483FlowSaver Blood Return SystemInari Medical, Inc. · 2023 · cites it directly1descendant
  • K261105Powered Aventus Thrombectomy System™Inquis Medical · 2026 · 3 generations on0descendants
  • K262030Aventus Thrombectomy SystemInquis Medical · 2026 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K951592Betatrans I and IIDuxbury Scientific, Inc.1996—
−2K022489Summit Medical LTD Celltrans Postoperative Autotransfusion System, Models…Summit Medical, Ltd.2002—
−1K024097Summit Medical LTD Celltrans Postoperative Autotransfusion Set, Models…Summit Medical, Ltd.2003—
0 (this device)K210176FlowSaver Blood FilterInari Medical2021—
+1K240426Aventus Clot Management SystemInquis Medical2024—
+2K253925Aventus Thrombectomy SystemInquis Medical2026—
+1K221483FlowSaver Blood Return SystemInari Medical, Inc.2023—
+3K261105Powered Aventus Thrombectomy System™Inquis Medical2026—
+3K262030Aventus Thrombectomy SystemInquis Medical2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199610
200210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202320
202410
202630
FIG. 1 — Lineage of K210176, 1996–2026Source: 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 CAC? 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 CAC device

  1. #1 K240426 Aventus Clot Management Systemscore 11.2 · 4 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? (1)

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
*K024097Summit Medical LTD Celltrans Postoperative Autotransfusion Set, Models AB400-10…
Summary page 4
…ratus Classification number 21 CFR 868.5830 Product code CAC Regulatory class II Predicate device CellTrans Postoperative Autotransfusion Set, K024097 This predicate has not been subject to a design-related recall. Reference device(s) FlowTriever Retri…
Summit Medical, Ltd.2003—
†K191710FlowTriever Retrieval/Aspiration SystemInari Medical2019—
†K000685Charter Medical Neonatal Syringe SetCharter Medical, Ltd.2000—

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K240426Aventus Clot Management SystemInquis Medical20243
K221483FlowSaver Blood Return SystemInari Medical, Inc.20231

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?

  • The line of descent spans 25 years and passes through 3 companies; a new generation was cleared every 6.6 years on median.
  • 1 of the 5 ancestors has a recall of any class.
  • Of its descendants, K240426 (Inquis Medical, 2024) has gone furthest, with 3 descendants of its own.

How does its category compare?

All CAC devices

CAC Apparatus, Autotransfusion: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · CAC

3in 2024

2008: 12010: 42011: 22012: 32013: 12014: 32016: 22017: 12018: 22019: 12020: 12021: 42022: 12023: 22024: 3
2007high 4 (2010) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CAC

91in 2024

2010: 123 days median2012: 90 days median2014: 269 days median2021: 155 days median2024: 91 days median
2007high 269 (2014) · low 90 (2012)2026

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

Recalls per year · CAC

7in 2023

2007: 12008: 52009: 252010: 32011: 32013: 92017: 22018: 22019: 232023: 7, 2 Class I
2007high 25 (2009) · low 0 (2012)2026

Class I (2 since 2007) Class II/III not classified

Adverse event reports per year · CAC

128in 2025

2007: 352008: 122009: 682010: 1152011: 9392012: 2492013: 1532014: 902015: 872016: 732017: 882018: 872019: 642020: 1082021: 732022: 652023: 392024: 1292025: 128
2007high 939 (2011) · low 12 (2008)2025

MAUDE reports naming product code CAC, 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
20070—135
20081—512
20090—2568
201041233115
20112—3939
20123900249
20131—9153
20143269090
20150—087
20162—073
20171—288
20182—287
20191—2364
20201—0108
20214155073
20221—065
20232—7 (2)39
20243910129
20250—0128
20260—0—

What is it indicated for?

The FlowSaver Blood Return System is used with Triever Catheters for autologous blood transfusion.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K210176: FlowSaver Blood Filter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K210176

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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