510(k) Report

510(k) · Cleared

Cleared

EkoSonic Endovascular Device

K191119510(k) SpecialCleared Aug 23, 2019119-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

Btg International, Inc. · QEY Mechanical Thrombolysis Catheter

Cleared on Aug 23, 2019 as substantially equivalent to K182324 (Btg International, Inc., 2018) and 1 other predicate after a 119-day review. Its family tree reaches back 3 generations to 2014. 5 later devices descend from it.

Decided
Aug 23, 2019
Review
119 days
Class
Class II
Product code
QEY
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to K140151 (2014). 4 ancestors in all. 5 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2018: 1 other ancestor2021: 2 descendants cleared2023: 2 descendants cleared2022: 1 descendant clearedK140151 · Ekosonic Mach 4 Endovascular Device/Ekosonic Control Unit · Btg International, Inc. · 2014 · recalledK162771 · EkoSonic Endovascular System with Control Unit 4.0 · Btg International, Inc. · 2017 · recalledK183361 · EkoSonic Endovascular Device with Control Unit 4.0 · Btg International, Inc. · 2019 · recalled2010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 1 descendant K183361 · EkoSonic Endovascular Device with Control Unit 4.0 · Btg International, Inc. · 2019 · recalledK162771 · EkoSonic Endovascular System with Control Unit 4.0 · Btg International, Inc. · 2017 · recalledK140151 · Ekosonic Mach 4 Endovascular Device/Ekosonic Control Unit · Btg International, Inc. · 2014 · recalled0
  1. Root · 3 generations backK140151 Ekosonic Mach 4 Endovascular Device/Ekosonic Control UnitBtg International, Inc. · 2014 · Recalled
  2. 2 generations backK162771 EkoSonic Endovascular System with Control Unit 4.0Btg International, Inc. · 2017 · Recalled
  3. 1 generation backK183361 EkoSonic Endovascular Device with Control Unit 4.0Btg International, Inc. · 2019 · Recalled
  4. This deviceK191119 EkoSonic Endovascular DeviceBtg International, Inc. · 2019
  5. Descendant · cites it directly · 2 of its ownK211080 EkoSonic Endovascular DeviceBoston Scientific · 2021
  6. Descendant · 2 generations on · 1 of its ownK222095 BASHIR Endovascular Catheter Ref. No. 7201, BASHIR S-B Endovascular…Thrombolex, Inc. · 2023
  7. Descendant · cites it directly · 1 of its ownK213422 EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation · 2021 · Recalled
  8. Descendant · 3 generations on · 0 of its ownK231653 BASHIR™ .035 Endovascular Catheter, BASHIR™ S-B .035 Endovascular…Thrombolex, Inc. · 2023
  9. Descendant · 2 generations on · 0 of its ownK220866 EKOS+ Endovascular DeviceBoston Scientific · 2022

Most influential descendants

Showing 5 of 5 · See all
  • K211080EkoSonic Endovascular DeviceBoston Scientific · 2021 · cites it directly2descendants
  • K222095BASHIR Endovascular Catheter Ref. No. 7201, BASHIR S-B Endovascular Catheter, Ref. No.…Thrombolex, Inc. · 2023 · 2 generations on1descendant
  • K213422EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation · 2021 · cites it directly1descendant
  • K231653BASHIR™ .035 Endovascular Catheter, BASHIR™ S-B .035 Endovascular CatheterThrombolex, Inc. · 2023 · 3 generations on0descendants
  • K220866EKOS+ Endovascular DeviceBoston Scientific · 2022 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K140151Ekosonic Mach 4 Endovascular Device/Ekosonic Control UnitBtg International, Inc.20143
−2K162771EkoSonic Endovascular System with Control Unit 4.0Btg International, Inc.20171
−1K183361EkoSonic Endovascular Device with Control Unit 4.0Btg International, Inc.20192
0 (this device)K191119EkoSonic Endovascular DeviceBtg International, Inc.2019—
+1K211080EkoSonic Endovascular DeviceBoston Scientific2021—
+2K222095BASHIR Endovascular Catheter Ref. No. 7201, BASHIR S-B Endovascular Catheter…Thrombolex, Inc.2023—
+1K213422EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation20212
+3K231653BASHIR™ .035 Endovascular Catheter, BASHIR™ S-B .035 Endovascular CatheterThrombolex, Inc.2023—
+2K220866EKOS+ Endovascular DeviceBoston Scientific2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
201810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202120
202210
202320
FIG. 1 — Lineage of K191119, 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 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
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What was it cleared against? (2)

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
*K182324EkoSonic Endovascular System
Summary page 5
…. This predicate device is the EkoSonic MACH 4 Endovascular Device, cleared as part of the EkoSonic Endovascular System with the EKOS Control Unit (model PT-3B [K182324] and CU4.0 [K183361]). No reference devices were used in this notification. IV. Device Description…
Btg International, Inc.2018—
*K183361EkoSonic Endovascular Device with Control Unit 4.0
Summary page 5
…e EkoSonic MACH 4 Endovascular Device, cleared as part of the EkoSonic Endovascular System with the EKOS Control Unit (model PT-3B [K182324] and CU4.0 [K183361]). No reference devices were used in this notification. IV. Device Description The EkoSonic Endovascular S…
Btg International, Inc.20192

What descends from it? (5)

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

NumberDeviceApplicantDecidedDescendants
K211080EkoSonic Endovascular DeviceBoston Scientific20212
K213422EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation20211

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 5 years and passes through 1 company; a new generation was cleared every 2.1 years on median.
  • 3 of the 4 ancestors have a recall of any class.
  • Of its descendants, K211080 (Boston Scientific, 2021) has gone furthest, with 2 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. 2019, 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.

• Infusion of solutions into the pulmonary arteries.

• 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. “K191119: EkoSonic Endovascular Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191119

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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