510(k) Report

510(k) · Decided

Decided

INDIGO Aspiration System

K163618510(k) TraditionalDecided May 24, 2017153-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

Penumbra, Inc. · QEX Coronary Mechanical Thrombectomy With Aspiration

Cleared on May 24, 2017 as substantially equivalent to K161506 (Penumbra, Inc., 2016) after a 153-day review. Its family tree reaches back 8 generations to 2001. 1 of the 26 devices in its family, counting itself, has a Class I recall. 2 later devices descend from it.

Decided
May 24, 2017
Review
153 days
Class
Class II
Product code
QEX
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K010579 (2001). 23 ancestors in all, the oldest K883718 (1989). 2 later devices descend from it, 1 citing it directly. 1 of the 26 devices in this family, counting this one, has a Class I recall.

  1. Root · 8 generations backK010579 Stent Support Guide CatheterMedtronic Vascular · 2001 · Recalled
  2. 7 generations backK030201 Modification to Export Aspiration CatheterMedtronic Vascular · 2003
  3. 6 generations backK040869 Export CatheterMedtronic Vascular · 2004
  4. 5 generations backK071727 QXT Extraction CatheterVascular Solutions, Inc. · 2007
  5. 4 generations backK072810 Pronto Low Profile (LP) Extraction Catheter, Model 5010Vascular Solutions, Inc. · 2007
  6. 3 generations backK083784 Pronto V3 Extraction Center, Model 5003, Pronto LP Extraction…Vascular Solutions, Inc. · 2009
  7. 2 generations backK103405 Pronto V4 Extraction Catheter 5.5F; Pronto V4 Extraction Catheter…Vascular Solutions, Inc. · 2010 · Recalled
  8. 1 generation backK161506 Penumbra Aspiration SystemPenumbra, Inc. · 2016
  9. This deviceK163618 INDIGO Aspiration SystemPenumbra, Inc. · 2017
  10. Descendant · cites it directly · 1 of its ownK180412 Indigo Aspiration System (CAT RX and Separator 4)- Penumbra Engine…Penumbra, Inc. · 2018
  11. Descendant · 2 generations on · 0 of its ownK220683 INDIGO Aspiration System (CAT RX Aspiration Catheter and Separator 4)Penumbra, Inc. · 2022

Class I recalls in this family

Most influential descendants

Showing 2 of 2 · See all
  • K180412Indigo Aspiration System (CAT RX and Separator 4)- Penumbra Engine Pump and CanisterPenumbra, Inc. · 2018 · cites it directly1descendant
  • K220683INDIGO Aspiration System (CAT RX Aspiration Catheter and Separator 4)Penumbra, Inc. · 2022 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K010579Stent Support Guide CatheterMedtronic Vascular200127
−7K030201Modification to Export Aspiration CatheterMedtronic Vascular2003—
−6K040869Export CatheterMedtronic Vascular2004—
−5K071727QXT Extraction CatheterVascular Solutions, Inc.2007—
−4K072810Pronto Low Profile (LP) Extraction Catheter, Model 5010Vascular Solutions, Inc.2007—
−3K083784Pronto V3 Extraction Center, Model 5003, Pronto LP Extraction Catheter, Model…Vascular Solutions, Inc.2009—
−2K103405Pronto V4 Extraction Catheter 5.5F; Pronto V4 Extraction Catheter 6F; Pronto…Vascular Solutions, Inc.20101
−1K161506Penumbra Aspiration SystemPenumbra, Inc.2016—
0 (this device)K163618INDIGO Aspiration SystemPenumbra, Inc.2017—
+1K180412Indigo Aspiration System (CAT RX and Separator 4)- Penumbra Engine Pump and…Penumbra, Inc.2018—
+2K220683INDIGO Aspiration System (CAT RX Aspiration Catheter and Separator 4)Penumbra, Inc.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199310
200010
200230
200310
200410
200550
200621

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202210
FIG. 1 — Lineage of K163618, 2001–2022Source: 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.

1 device in this family has 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 QEX device

  1. #1 K253407 NeVa PV Thrombectomy Devicescore 11.9 · 6 generations · no Class I recall
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
*K161506Penumbra Aspiration System
Summary page 5
…Name of Clearance Date Name of Predicate Device Number Manufacturer K161506 September 26, 2016 Penumbra Aspiration System Penumbra, Inc.…
Penumbra, Inc.2016—

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K180412Indigo Aspiration System (CAT RX and Separator 4)- Penumbra Engine Pump and CanisterPenumbra, Inc.20181

Has anything in its family been recalled? (1 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.

  • K060327Vascular Solutions Twin-Pass Dual Access Catheter and Skyway Support CatheterVascular Solutions, Inc. · 2006 · 4 generations back · ◆ in the 2006 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 16 years and passes through 3 companies; a new generation was cleared every 1.3 years on median.
  • 11 of the 23 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K180412 (Penumbra, Inc., 2018) has gone furthest, with 1 descendant of its own.

How does its category compare?

All QEX devices

QEX Coronary Mechanical Thrombectomy With Aspiration: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · QEX

1in 2025

2017: 22025: 1
2007high 2 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QEX

Too few QEX 510(k)s in any year since 2007 to give a median.

Recalls per year · QEX

No recall names QEX since 2007.

Adverse event reports per year · QEX

23in 2025

2019: 62020: 302021: 812022: 162023: 252024: 252025: 23
2007high 81 (2021) · low 0 (2007)2025

MAUDE reports naming product code QEX, 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
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20172—00
20180—00
20190—06
20200—030
20210—081
20220—016
20230—025
20240—025
20251—023
20260—0—

What is it indicated for?

As part of the INDIGO Aspiration System, the INDIGO CAT RX Aspiration Catheters and Separator 4 are indicated for the removal of fresh, soft emboli and thrombi from vessels in the coronary and peripheral vasculature.

As part of the INDIGO Aspiration System, the INDIGO Sterile Aspiration Tubing is indicated to connect the INDIGO CAT RX Aspiration Catheters to the Penumbra Aspiration Pump.

The Penumbra Aspiration Pump is indicated as a vacuum source for Penumbra Aspiration Systems.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K163618: INDIGO Aspiration System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K163618

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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