510(k) Report

510(k) · Cleared

Cleared

WOLF Thrombectomy™ SmartClaw Catheter

K221391510(k) TraditionalCleared Nov 10, 2022181-day reviewClass II21 CFR 870.5150

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

Devoro Medical, Inc. · QEW Peripheral Mechanical Thrombectomy With Aspiration

Cleared on Nov 10, 2022 as substantially equivalent to K210911 (Devoro Medical, Inc., 2021) after a 181-day review. Its family tree reaches back 7 generations to 1983. 3 of the 22 devices in its family, counting itself, have a Class I recall. 1 later device descends from it.

Decided
Nov 10, 2022
Review
181 days
Class
Class II
Product code
QEW
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K832023 (1983). 20 ancestors in all. 1 later device descends from it, 1 citing it directly. 3 of the 22 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1989: 1 other ancestor2003: 1 other ancestor, 1 with a Class I recall12001: 1 other ancestor2000: 1 other ancestor1998: 4 other ancestors, 1 with a Class I recall11997: 1 other ancestor, 1 with a Class I recall11995: 1 other ancestor1994: 1 other ancestor1993: 1 other ancestor1991: 1 other ancestor2024: 1 descendant clearedK832023 · Embolectomy Catheter · Bionomy, Inc. · 1983K961883 · Versa-Cath Arterial Catheter · Ideas For Medicine, Inc. · 1997K040010 · Genesis Medical Interventional F.a.S.T. (Facilitated Aspiration/Suction Thrombectomy) Systems · Genesis Medical Interventional, Inc. · 2004K143563 · Infusion Aspiration Catheter System · Inari Medical, Inc. · 2015K182835 · WOLF Thrombectomy Device · 880 Medical, LLC · 2019K200101 · WOLF Thrombectomy V System · Devoro Medical, Inc. · 2020K210911 · WOLF Thrombectomy System, 14F · Devoro Medical, Inc. · 202119801990200020102020
  1. Root · 7 generations backK832023 Embolectomy CatheterBionomy, Inc. · 1983
  2. 6 generations backK961883 Versa-Cath Arterial CatheterIdeas For Medicine, Inc. · 1997
  3. 5 generations backK040010 Genesis Medical Interventional F.a.S.T. (Facilitated…Genesis Medical Interventional, Inc. · 2004
  4. 4 generations backK143563 Infusion Aspiration Catheter SystemInari Medical, Inc. · 2015
  5. 3 generations backK182835 WOLF Thrombectomy Device880 Medical, LLC · 2019
  6. 2 generations backK200101 WOLF Thrombectomy V SystemDevoro Medical, Inc. · 2020
  7. 1 generation backK210911 WOLF Thrombectomy System, 14FDevoro Medical, Inc. · 2021
  8. This deviceK221391 WOLF Thrombectomy™ SmartClaw CatheterDevoro Medical, Inc. · 2022
  9. Descendant · cites it directly · 0 of its ownK241207 SmartClaw™ Thrombectomy Catheter, 20 mm (FD0660-01), SmartClaw™…Devoro Medical, Inc. · 2024

Class I recalls in this family

Most influential descendants

Showing 1 of 1 · See all
  • K241207SmartClaw™ Thrombectomy Catheter, 20 mm (FD0660-01), SmartClaw™ Thrombectomy Catheter…Devoro Medical, Inc. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K832023Embolectomy CatheterBionomy, Inc.1983—
−6K961883Versa-Cath Arterial CatheterIdeas For Medicine, Inc.1997—
−5K040010Genesis Medical Interventional F.a.S.T. (Facilitated Aspiration/Suction…Genesis Medical Interventional, Inc.2004—
−4K143563Infusion Aspiration Catheter SystemInari Medical, Inc.2015—
−3K182835WOLF Thrombectomy Device880 Medical, LLC2019—
−2K200101WOLF Thrombectomy V SystemDevoro Medical, Inc.2020—
−1K210911WOLF Thrombectomy System, 14FDevoro Medical, Inc.2021—
0 (this device)K221391WOLF Thrombectomy™ SmartClaw CatheterDevoro Medical, Inc.2022—
+1K241207SmartClaw™ Thrombectomy Catheter, 20 mm (FD0660-01), SmartClaw™ Thrombectomy…Devoro Medical, Inc.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199110
199310
199410
199510
199711
199841
200010
200110
200311

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K221391, 1983–2024Source: 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.

3 devices in this family have a Class I recall. 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 QEW device

  1. #1 K213402 Triever24, Triever20score 28.6 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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
*K210911WOLF Thrombectomy System, 14F
Summary page 4
…rimary Product Code QEW Subsequent Product KRA Code Classification Class II, 21 CFR Part 870.5150 Predicate Device WOLF Thrombectomy System, 14F (K210911), cleared October 19, 2021 Reference Device Fogarty Venous Thrombectomy Catheter, 510(k) unknown Device Description T…
Devoro Medical, Inc.2021—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K241207SmartClaw™ Thrombectomy Catheter, 20 mm (FD0660-01), SmartClaw™ Thrombectomy Catheter…Devoro Medical, Inc.20240

Has anything in its family been recalled? (3 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K022145Over the Wire Embolectomy Catheter, Model 2302LeMaitre Vascular, Inc. · 2003 · 6 generations back · ◆ in the 2003 ancestors bar of FIG. 11 Class I recall
  • K973465Latis Graft Cleaning CatheterApplied Medical Resources · 1998 · 6 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K970762Dual Lumen Embolectomy CatheterApplied Medical Resources · 1997 · 7 generations back · ◆ in the 1997 ancestors bar of FIG. 12 Class I recalls

What does this lineage say?

  • The line of descent spans 39 years and passes through 6 companies; a new generation was cleared every 4.1 years on median.
  • 5 of the 20 ancestors have a recall of any class; 3 have a Class I recall.
  • Of its descendants, K241207 (Devoro Medical, Inc., 2024) has gone furthest, with 0 descendants of its own.

How does its category compare?

All QEW devices

QEW Peripheral Mechanical Thrombectomy With Aspiration: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · QEW

14in 2025

2008: 22009: 22012: 12013: 22014: 22015: 42016: 42017: 22018: 142019: 82020: 162021: 112022: 122023: 232024: 142025: 142026 (partial year): 10
2007high 23 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QEW

58in 2025

2015: 88 days median2016: 63 days median2018: 61 days median2019: 51 days median2020: 105 days median2021: 60 days median2022: 140 days median2023: 102 days median2024: 65 days median2025: 58 days median2026 (partial year): 74 days median
2007high 140 (2022) · low 51 (2019)2026

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

Recalls per year · QEW

7in 2022

2022: 7, 7 Class I
2007high 7 (2022) · low 0 (2007)2026

Class I (7 since 2007) Class II/III not classified

Adverse event reports per year · QEW

207in 2025

2019: 332020: 1972021: 3222022: 1252023: 1652024: 1622025: 207
2007high 322 (2021) · low 0 (2007)2025

MAUDE reports naming product code QEW, 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—00
20082—00
20092—00
20100—00
20110—00
20121—00
20132—00
20142—00
201548800
201646300
20172—00
2018146100
2019851033
2020161050197
202111600322
2022121407 (7)125
2023231020165
202414650162
202514580207
202610740—

What is it indicated for?

The WOLF Thrombectomy SmartClaw Catheter, in conjunction with the WOLF Thrombectomy Aspiration Sheath, 14F, is indicated for:

• the non-surgical removal of thrombi and emboli from arterial and venous blood vessels in the peripheral vasculature.

• Injection, infusion, and/or aspiration of contrast media and other fluids into or from a blood vessel.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221391: WOLF Thrombectomy™ SmartClaw Catheter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K221391

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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