510(k) Report

510(k) · Decided

Decided

Ekos Ultrasound Infusion System

K041826510(k) TraditionalDecided Apr 27, 2005294-day reviewClass II21 CFR 870.1200

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

Ekos Corp. · NUI Ultrasound, Infusion, System

Cleared on Apr 27, 2005 as substantially equivalent to K030637 (Ekos Corp., 2003) and 6 other predicates after a 294-day review. Its family tree reaches back 7 generations to 1990. 19 later devices descend from it.

Decided
Apr 27, 2005
Review
294 days
Class
Class II
Product code
NUI
Recalls
None
Predicates
7

Its longest line of descent runs back 7 generations to K904788 (1990). 18 ancestors in all. 19 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2003: 1 other ancestor2001: 1 other ancestor2000: 2 other ancestors1996: 2 other ancestors1993: 3 other ancestors1995: 1 other ancestor1991: 1 other ancestor2005: 2 descendants cleared2006: 3 descendants cleared2007: 1 descendant cleared2008: 3 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 · recalledK030637 · Ekos Peripheral Infusion System · Ekos Corp. · 20031990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 6 other ancestors2 generations back: 2 other ancestors4 generations back: 2 other ancestors6 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 2 descendants3 generations forward: 3 descendants4 generations forward: 2 descendants5 generations forward: 1 descendant6 generations forward: 1 descendant7 generations forward: 1 descendant8 generations forward: 5 descendants9 generations forward: 2 descendants10 generations forward: 1 descendant K030637 · Ekos Peripheral Infusion System · Ekos Corp. · 2003K023514 · Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM Infusion Length) · Bacchus Vascular, Inc. · 2002 · recalledK021958 · Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion Length 20CM (100CM Catheter Length 10CM Infusion H · Bacchus Vascular, Inc. · 2002 · recalledK013635 · Trellis Infusion System (10CM Infusion Length); Trellis Infusion System (20CM Infusion Length) · Bacchus Vascular, Inc. · 2002K981417 · Squirt Fluid Delivery System · Merit Medical Systems, Inc. · 1998K974067 · Fountain Infusion Catheter and Occluding Guide Wire · Merit Medical Systems, Inc. · 1998 · recalledK904788 · Mewissen Catheter · Boston Scientific Corp · 1990−50+5+10
  1. Root · 7 generations backK904788 Mewissen CatheterBoston Scientific Corp · 1990
  2. 6 generations backK974067 Fountain Infusion Catheter and Occluding Guide WireMerit Medical Systems, Inc. · 1998 · Recalled
  3. 5 generations backK981417 Squirt Fluid Delivery SystemMerit Medical Systems, Inc. · 1998
  4. 4 generations backK013635 Trellis Infusion System (10CM Infusion Length); Trellis Infusion…Bacchus Vascular, Inc. · 2002
  5. 3 generations backK021958 Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion…Bacchus Vascular, Inc. · 2002 · Recalled
  6. 2 generations backK023514 Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM…Bacchus Vascular, Inc. · 2002 · Recalled
  7. 1 generation backK030637 Ekos Peripheral Infusion SystemEkos Corp. · 2003
  8. This deviceK041826 Ekos Ultrasound Infusion SystemEkos Corp. · 2005
  9. Descendant · cites it directly · 18 of its ownK051225 Ekos Micro-Infusion SystemEkos Corp. · 2005
  10. Descendant · 2 generations on · 16 of its ownK053437 Ekos Micro-Infusion SystemEkos Corp. · 2006
  11. Descendant · 2 generations on · 16 of its ownK053432 Ekos Micro-Infusion SystemEkos Corp. · 2005
  12. Descendant · 3 generations on · 14 of its ownK062508 Neurowave Micro-Infusion SystemEkos Corp. · 2006
  13. Descendant · 3 generations on · 13 of its ownK062507 Micro-Infusion SystemEkos Corp. · 2006

Showing 5 of 19 descendants. See all descendants

Descendants cleared per year

2005: 22006: 32007: 12008: 32011: 12019: 32020: 22021: 12024: 12026: 2
2005high 3 (2006) · low 0 (2009)2026

Most influential descendants

Showing 5 of 19 · See all
  • K051225Ekos Micro-Infusion SystemEkos Corp. · 2005 · cites it directly18descendants
  • K053437Ekos Micro-Infusion SystemEkos Corp. · 2006 · 2 generations on16descendants
  • K053432Ekos Micro-Infusion SystemEkos Corp. · 2005 · 2 generations on16descendants
  • K062508Neurowave Micro-Infusion SystemEkos Corp. · 2006 · 3 generations on14descendants
  • K062507Micro-Infusion SystemEkos Corp. · 2006 · 3 generations on13descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K904788Mewissen CatheterBoston Scientific Corp1990—
−6K974067Fountain Infusion Catheter and Occluding Guide WireMerit Medical Systems, Inc.199823
−5K981417Squirt Fluid Delivery SystemMerit Medical Systems, Inc.1998—
−4K013635Trellis Infusion System (10CM Infusion Length); Trellis Infusion System (20CM…Bacchus Vascular, Inc.2002—
−3K021958Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion Length 20CM…Bacchus Vascular, Inc.20021
−2K023514Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM Infusion…Bacchus Vascular, Inc.20021
−1K030637Ekos Peripheral Infusion SystemEkos Corp.2003—
0 (this device)K041826Ekos Ultrasound Infusion SystemEkos Corp.2005—
+1K051225Ekos Micro-Infusion SystemEkos Corp.2005—
+2K053437Ekos Micro-Infusion SystemEkos Corp.2006—
+2K053432Ekos Micro-Infusion SystemEkos Corp.2005—
+3K062508Neurowave Micro-Infusion SystemEkos Corp.2006—
+3K062507Micro-Infusion SystemEkos Corp.2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199330
199510
199620
200020
200110
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200520
200630
200710
200830
201110
201930
202020
202110
202410
202620
FIG. 1 — Lineage of K041826, 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 NUI? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (7)

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
*K030637Ekos Peripheral Infusion System
Summary page 1
…m is substantially equivalent to other legally marketed devices. These devices include • EKOS Peripheral Infusion System (K030637) * Boston Scientific Corporation: Magic Infusion Catheter (K923368 & K023351)…
Ekos Corp.2003—
*K923368Magic Infusion Catheter
Summary page 1
…• EKOS Peripheral Infusion System (K030637) * Boston Scientific Corporation: Magic Infusion Catheter (K923368 & K023351) * Boston Scientific Corporation: Renegade Hi-Flo Microcatheter (KO…
Target Therapeutics1993—
*K023351Magic Infusion Catheter
Summary page 1
…• EKOS Peripheral Infusion System (K030637) * Boston Scientific Corporation: Magic Infusion Catheter (K923368 & K023351) * Boston Scientific Corporation: Renegade Hi-Flo Microcatheter (KO00177)…
Advanced Interventional Technologies, LLC2003—
*K000177Renegade HI-Flo MicrocatheterBoston Scientific Corp20005
*K960806Turbo Tracker
Summary page 1
…i-Flo Microcatheter (KO00177) * Boston Scientific Corporation Turbo-Tracker Microcatheter (K960806) * BioSphere Medical EmboCath Hydrophilic Infusion Catheter (K003105)…
Target Therapeutics1996—
*K003105Biosphere Medical Infusion Catheter
Summary page 1
…racker Microcatheter (K960806) * BioSphere Medical EmboCath Hydrophilic Infusion Catheter (K003105) * Spencer Technologies TCD 1 OM Transcranial Doppler (K002533) Perf…
Biosphere Medical2001—
*K002533TCD 100M, PWD13 Transducer
Summary page 2
…Infusion Catheter (K003105) * Spencer Technologies TCD 1 OM Transcranial Doppler (K002533) Performance: EKOS has conducted preclinical bench and animal studies with the EKOS Micro-Infusion System. Thes…
Spencer Technologies20001

Also cleared against K030637: 2 other devices →

What descends from it? (19)

See all 19

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

NumberDeviceApplicantDecidedDescendants
K051225Ekos Micro-Infusion SystemEkos Corp.200518

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.
  • 6 of the 18 ancestors have a recall of any class.
  • Of its descendants, K051225 (Ekos Corp., 2005) has gone furthest, with 18 descendants of its own.
  • 2 other devices also cite its predicate K030637.

How does its category compare?

All NUI devices

NUI Ultrasound, Infusion, System: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NUI

FDA has decided no NUI device since 2007.

Median 510(k) review, days · NUI

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

Recalls per year · NUI

No recall names NUI since 2007.

Adverse event reports per year · NUI

1in 2014

2007: 22014: 1
2007high 2 (2007) · low 0 (2008)2025

MAUDE reports naming product code NUI, 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—02
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—01
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The EKOS Micro-Infusion System is intended for regional infusion of contrast materials into selected vessels in the neurovasculature. The EKOS Micro-Infusion System may be used for controlled, regional infusion into selected vessels and is not intended for use in the coronary vasculature.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K041826: Ekos Ultrasound Infusion System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K041826

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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