510(k) Report

510(k) · Cleared

Recalled · Class II · 2022

EKOS PE Endovascular Device with Control System 4.0 (CS4.0)

K200648510(k) SpecialCleared Aug 17, 2020158-day reviewClass II21 CFR 870.5150Recalls 1

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

Ekos Corporation · QEY Mechanical Thrombolysis Catheter

Cleared on Aug 17, 2020 as substantially equivalent to K183361 (Btg International, Inc., 2019) after a 158-day review. Its family tree reaches back 3 generations to 2014. 2 later devices descend from it. It has been recalled once.

Decided
Aug 17, 2020
Review
158 days
Class
Class II
Product code
QEY
Recalls
1
Predicates
1

Its longest line of descent runs back 3 generations to K140151 (2014). 2 later devices descend from it, 1 citing it directly.

  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 deviceK200648 EKOS PE Endovascular Device with Control System 4.0 (CS4.0)Ekos Corporation · 2020
  5. Descendant · cites it directly · 1 of its ownK213422 EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation · 2021 · Recalled
  6. Descendant · 2 generations on · 0 of its ownK220866 EKOS+ Endovascular DeviceBoston Scientific · 2022

Most influential descendants

Showing 2 of 2 · See all
  • K213422EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation · 2021 · cites it directly1descendant
  • 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)K200648EKOS PE Endovascular Device with Control System 4.0 (CS4.0)Ekos Corporation2020—
+1K213422EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation20212
+2K220866EKOS+ Endovascular DeviceBoston Scientific2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202110
202210
FIG. 1 — Lineage of K200648, 2014–2022Source: 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.

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
*K183361EkoSonic Endovascular Device with Control Unit 4.0
Summary page 4
…Device with CU4.0 is substantially equivalent to another legally marketed device. This predicate device is the EkoSonic Endovascular Device with CU4.0 (K183361). No reference devices were used in this notification. IV. Device Description The EKOS PE Endovascular S…
Btg International, Inc.20192

Also cleared against K183361: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K213422EkoSonic Endovascular Device, EKOS+ Endovascular DeviceBoston Scientific Corporation20211

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

Recalls of this device

DateClassRecallRoot causeReason
Oct 13, 2022Class IIZ-0149-2023Under Investigation by firmConsoles were shipped without an instruction for use (IFU) or with the incorrect IFU.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 6 years and passes through 2 companies; a new generation was cleared every 2.1 years on median.
  • 3 of the 3 ancestors have a recall of any class.
  • Of its descendants, K213422 (Boston Scientific Corporation, 2021) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K183361.

How does its category compare?

All QEY devices

QEY Mechanical Thrombolysis Catheter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, 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 EKOS PE Endovascular Device with CU 4.0 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 read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K200648: EKOS PE Endovascular Device with Control System 4.0 (CS4.0).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K200648

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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