510(k) Report

510(k) · Cleared

Recalled · Class II · 2016

Ekosonic Mach 4 Endovascular Device/Ekosonic Control Unit

K140151510(k) TraditionalCleared May 21, 2014119-day reviewClass II21 CFR 870.5150Recalls 3

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

Btg International, Inc. · QEY Mechanical Thrombolysis Catheter

Cleared on May 21, 2014 after a 119-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 9 later devices descend from it. It has been recalled 3 times.

Decided
May 21, 2014
Review
119 days
Class
Class II
Product code
QEY
Recalls
3
Predicates
0

9 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2017: 1 descendant cleared2019: 2 descendants cleared2020: 1 descendant cleared2021: 2 descendants cleared2023: 2 descendants cleared2022: 1 descendant cleared2010201520202025
  1. This deviceK140151 Ekosonic Mach 4 Endovascular Device/Ekosonic Control UnitBtg International, Inc. · 2014
  2. Descendant · cites it directly · 8 of its ownK162771 EkoSonic Endovascular System with Control Unit 4.0Btg International, Inc. · 2017 · Recalled
  3. Descendant · 2 generations on · 7 of its ownK183361 EkoSonic Endovascular Device with Control Unit 4.0Btg International, Inc. · 2019 · Recalled
  4. Descendant · 3 generations on · 5 of its ownK191119 EkoSonic Endovascular DeviceBtg International, Inc. · 2019
  5. Descendant · 4 generations on · 2 of its ownK211080 EkoSonic Endovascular DeviceBoston Scientific · 2021
  6. Descendant · 3 generations on · 2 of its ownK200648 EKOS PE Endovascular Device with Control System 4.0 (CS4.0)Ekos Corporation · 2020 · Recalled

Showing 5 of 9 descendants. See all descendants

Descendants cleared per year

2017: 12019: 22020: 12021: 22022: 12023: 2
2017high 2 (2019) · low 0 (2018)2026

Most influential descendants

Showing 5 of 9 · See all
  • K162771EkoSonic Endovascular System with Control Unit 4.0Btg International, Inc. · 2017 · cites it directly8descendants
  • K183361EkoSonic Endovascular Device with Control Unit 4.0Btg International, Inc. · 2019 · 2 generations on7descendants
  • K191119EkoSonic Endovascular DeviceBtg International, Inc. · 2019 · 3 generations on5descendants
  • K211080EkoSonic Endovascular DeviceBoston Scientific · 2021 · 4 generations on2descendants
  • K200648EKOS PE Endovascular Device with Control System 4.0 (CS4.0)Ekos Corporation · 2020 · 3 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K140151Ekosonic Mach 4 Endovascular Device/Ekosonic Control UnitBtg International, Inc.2014—
+1K162771EkoSonic Endovascular System with Control Unit 4.0Btg International, Inc.20171
+2K183361EkoSonic Endovascular Device with Control Unit 4.0Btg International, Inc.20192
+3K191119EkoSonic Endovascular DeviceBtg International, Inc.2019—
+4K211080EkoSonic Endovascular DeviceBoston Scientific2021—
+3K200648EKOS PE Endovascular Device with Control System 4.0 (CS4.0)Ekos Corporation20201

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201710
201920
202010
202120
202210
202320
FIG. 1 — Lineage of K140151, 2014–2023Source: 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 510(k) statement (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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (9)

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

NumberDeviceApplicantDecidedDescendants
K162771EkoSonic Endovascular System with Control Unit 4.0Btg International, Inc.20178

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Aug 9, 2016Class IIZ-2854-2016StorageThe recalling firm identified ten devices which were distributed and could potentially be non-compliant. These devices potentially underwent a routine manufacturing test with non-compliant parameters, which may result in a small blister…
Jan 21, 2016Class IIZ-0864-2016Error in labelingThe EkoSonic kit, including the individually labeled MicroSonic Device (MSD) and Intelligent Drug Delivery Catheter (IDDC) are labeled with a 135 cm working length, and programmed with a 135 cm family code, however the MSD actual working…
Jun 24, 2015Class IIZ-2148-2015Vendor change controlThe Connector Interface Cable (CIC) was not recognized by the EkoSonic PT-3B control unit.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K162771 (Btg International, Inc., 2017) has gone furthest, with 8 descendants of its own.

How does its category compare?

All QEY devices

QEY Mechanical Thrombolysis Catheter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

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 EkoSonic® Endovascular System is indicated for the ultrasound facilitated controlled and selective infusion of physician-specified fluids, including thrombolytics, into the vasculature for the treatment of pulmonary embolism.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K140151: Ekosonic Mach 4 Endovascular Device/Ekosonic Control Unit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K140151

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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