510(k) Report

510(k) · Cleared

Cleared

Ekos Peripheral Infusion System

K050563510(k) SpecialCleared Mar 29, 200525-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

Ekos Corp. · QEY Mechanical Thrombolysis Catheter

Cleared on Mar 29, 2005 as substantially equivalent to K033214 (Ekos Corp., 2003) after a 25-day review. Its family tree reaches back 8 generations to 1990. 21 later devices descend from it.

Decided
Mar 29, 2005
Review
25 days
Class
Class II
Product code
QEY
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K904788 (1990). 15 ancestors in all. 21 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor1996: 2 other ancestors1995: 1 other ancestor1993: 2 other ancestors1991: 1 other ancestor2006: 3 descendants cleared2005: 2 descendants cleared2007: 2 descendants cleared2008: 4 descendants cleared2011: 1 descendant cleared2019: 3 descendants cleared2021: 1 descendant cleared2024: 1 descendant cleared2020: 2 descendants cleared2026: 2 descendants clearedK904788 · Mewissen Catheter · Boston Scientific Corp · 1990K974067 · Fountain Infusion Catheter and Occluding Guide Wire · Merit Medical Systems, Inc. · 1998 · recalledK981417 · Squirt Fluid Delivery System · Merit Medical Systems, Inc. · 1998K013635 · Trellis Infusion System (10CM Infusion Length); Trellis Infusion System (20CM Infusion Length) · Bacchus Vascular, Inc. · 2002K021958 · Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion Length 20CM (100CM Catheter Length 10CM Infusion H · Bacchus Vascular, Inc. · 2002 · recalledK023514 · Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM Infusion Length) · Bacchus Vascular, Inc. · 2002 · recalled×2: 2 generations cleared close together, K030637 (2003), K033214 (2003) 1990200020102020
  1. Root · 8 generations backK904788 Mewissen CatheterBoston Scientific Corp · 1990
  2. 7 generations backK974067 Fountain Infusion Catheter and Occluding Guide WireMerit Medical Systems, Inc. · 1998 · Recalled
  3. 6 generations backK981417 Squirt Fluid Delivery SystemMerit Medical Systems, Inc. · 1998
  4. 5 generations backK013635 Trellis Infusion System (10CM Infusion Length); Trellis Infusion…Bacchus Vascular, Inc. · 2002
  5. 4 generations backK021958 Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion…Bacchus Vascular, Inc. · 2002 · Recalled
  6. 3 generations backK023514 Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM…Bacchus Vascular, Inc. · 2002 · Recalled
  7. 2 generations backK030637 Ekos Peripheral Infusion SystemEkos Corp. · 2003
  8. 1 generation backK033214 Ekos Peripheral Infusion SystemEkos Corp. · 2003
  9. This deviceK050563 Ekos Peripheral Infusion SystemEkos Corp. · 2005
  10. Descendant · cites it directly · 18 of its ownK051225 Ekos Micro-Infusion SystemEkos Corp. · 2005
  11. Descendant · cites it directly · 16 of its ownK053437 Ekos Micro-Infusion SystemEkos Corp. · 2006
  12. Descendant · cites it directly · 16 of its ownK053432 Ekos Micro-Infusion SystemEkos Corp. · 2005
  13. Descendant · 2 generations on · 14 of its ownK062508 Neurowave Micro-Infusion SystemEkos Corp. · 2006
  14. Descendant · 2 generations on · 13 of its ownK062507 Micro-Infusion SystemEkos Corp. · 2006

Showing 5 of 21 descendants. See all descendants

Descendants cleared per year

2005: 22006: 32007: 22008: 42011: 12019: 32020: 22021: 12024: 12026: 2
2005high 4 (2008) · low 0 (2009)2026

Most influential descendants

Showing 5 of 21 · See all
  • K051225Ekos Micro-Infusion SystemEkos Corp. · 2005 · cites it directly18descendants
  • K053437Ekos Micro-Infusion SystemEkos Corp. · 2006 · cites it directly16descendants
  • K053432Ekos Micro-Infusion SystemEkos Corp. · 2005 · cites it directly16descendants
  • K062508Neurowave Micro-Infusion SystemEkos Corp. · 2006 · 2 generations on14descendants
  • K062507Micro-Infusion SystemEkos Corp. · 2006 · 2 generations on13descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K904788Mewissen CatheterBoston Scientific Corp1990—
−7K974067Fountain Infusion Catheter and Occluding Guide WireMerit Medical Systems, Inc.199823
−6K981417Squirt Fluid Delivery SystemMerit Medical Systems, Inc.1998—
−5K013635Trellis Infusion System (10CM Infusion Length); Trellis Infusion System (20CM…Bacchus Vascular, Inc.2002—
−4K021958Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion Length 20CM…Bacchus Vascular, Inc.20021
−3K023514Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM Infusion…Bacchus Vascular, Inc.20021
−2K030637Ekos Peripheral Infusion SystemEkos Corp.2003—
−1K033214Ekos Peripheral Infusion SystemEkos Corp.2003—
0 (this device)K050563Ekos Peripheral Infusion SystemEkos Corp.2005—
+1K051225Ekos Micro-Infusion SystemEkos Corp.2005—
+1K053437Ekos Micro-Infusion SystemEkos Corp.2006—
+1K053432Ekos Micro-Infusion SystemEkos Corp.2005—
+2K062508Neurowave Micro-Infusion SystemEkos Corp.2006—
+2K062507Micro-Infusion SystemEkos Corp.2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199320
199510
199620
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200520
200630
200720
200840
201110
201930
202020
202110
202410
202620
FIG. 1 — Lineage of K050563, 1990–2026Source: 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 QEY? 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 QEY device

  1. #1 K241851 Versus™ Catheter (VS110-8B)score 16.8 · 19 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
*K033214Ekos Peripheral Infusion System
Summary page 5
…l Infusion System Name of Predicate Device 510(k) Reference Nos. Predicate Device EKOS Peripheral Infusion System K033214 Device The system consists of a disposable infusion/ultrasound catheter and an Description instrumen…
Ekos Corp.2003—

Also cleared against K033214: 1 other device →

What descends from it? (21)

See all 21

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

NumberDeviceApplicantDecidedDescendants
K051225Ekos Micro-Infusion SystemEkos Corp.200518
K053437Ekos Micro-Infusion SystemEkos Corp.200616
K053432Ekos Micro-Infusion SystemEkos Corp.200516
K071762Omniwave Endovascular SystemOmnisonics Medical Technologies20071

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 15 years and passes through 4 companies; a new generation was cleared every 8 months on median.
  • 5 of the 15 ancestors have a recall of any class.
  • Of its descendants, K051225 (Ekos Corp., 2005) has gone furthest, with 18 descendants of its own.
  • 1 other device also cites its predicate K033214.

How does its category compare?

All QEY devices

QEY Mechanical Thrombolysis Catheter: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · QEY

1in 2024

2007: 52008: 42011: 12013: 12014: 12015: 12016: 22017: 32018: 12019: 52020: 32021: 32022: 12023: 22024: 12026 (partial year): 2
2007high 5 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QEY

62in 2021

2007: 28 days median2008: 54 days median2017: 144 days median2019: 91 days median2020: 158 days median2021: 62 days median
2007high 158 (2020) · low 28 (2007)2026

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

Recalls per year · QEY

1in 2023

2022: 12023: 1
2007high 1 (2022) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · QEY

5in 2025

2023: 12024: 12025: 5
2007high 5 (2025) · low 0 (2007)2025

MAUDE reports naming product code QEY, 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
200752800
200845400
20090—00
20100—00
20111—00
20120—00
20131—00
20141—00
20151—00
20162—00
2017314400
20181—00
201959100
2020315800
202136200
20221—10
20232—11
20241—01
20250—05
20262—0—

What is it indicated for?

The EKOS Peripheral Infusion System is intended for the controlled and selective infusion of physician-specified fluids, including thrombolytics, into the peripheral vasculature.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K050563: Ekos Peripheral Infusion System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K050563

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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