510(k) Report

510(k) · Cleared

Cleared

Modified Merci Retriever, Model 90050

K062046510(k) TraditionalCleared Jan 19, 2007184-day reviewClass II21 CFR 870.1250

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

Concentric Medical, Inc. · NRY Catheter, Thrombus Retriever

Cleared on Jan 19, 2007 after a 184-day review. The FDA summary names its predicate without a number. 1 of the 25 devices in its family, counting itself, has a Class I recall. 24 later devices descend from it.

Decided
Jan 19, 2007
Review
184 days
Class
Class II
Product code
NRY
Recalls
None
Predicates
0

24 later devices descend from it, 2 citing it directly. 1 of the 25 devices in this family, counting this one, has a Class I recall.

Descendants, by year cleared 2012: 2 descendants cleared2009: 1 descendant cleared2018: 3 descendants cleared2015: 2 descendants cleared, 1 with a Class I recall12014: 1 descendant cleared2021: 4 descendants cleared2016: 1 descendant cleared2017: 1 descendant cleared2020: 2 descendants cleared2019: 1 descendant cleared2026: 2 descendants cleared2025: 2 descendants cleared2023: 1 descendant cleared2022: 1 descendant cleared20052010201520202025
  1. This deviceK062046 Modified Merci Retriever, Model 90050Concentric Medical, Inc. · 2007
  2. Descendant · cites it directly · 23 of its ownK090085 Merci Retriever, Models 90050, 90060, 90066, 90070, 90110, 90111…Concentric Medical, Inc. · 2009
  3. Descendant · cites it directly · 22 of its ownK113455 Solitaire FR Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular · 2012
  4. Descendant · 2 generations on · 18 of its ownK123378 Solitaire 2 Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular · 2012
  5. Descendant · 2 generations on · 17 of its ownK141491 Solitaire 2 Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2014
  6. Descendant · 2 generations on · 10 of its ownK153071 Solitaire Platinum Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2015

Showing 5 of 24 descendants. See all descendants

Descendants cleared per year

2009: 12012: 22014: 12015: 22016: 12017: 12018: 32019: 12020: 22021: 42022: 12023: 12025: 22026: 2
2009high 4 (2021) · low 0 (2010)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 24 · See all
  • K090085Merci Retriever, Models 90050, 90060, 90066, 90070, 90110, 90111, 90112, 90113Concentric Medical, Inc. · 2009 · cites it directly23descendants
  • K113455Solitaire FR Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular · 2012 · cites it directly22descendants
  • K123378Solitaire 2 Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular · 2012 · 2 generations on18descendants
  • K141491Solitaire 2 Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2014 · 2 generations on17descendants
  • K153071Solitaire Platinum Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2015 · 2 generations on10descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K062046Modified Merci Retriever, Model 90050Concentric Medical, Inc.2007—
+1K090085Merci Retriever, Models 90050, 90060, 90066, 90070, 90110, 90111, 90112, 90113Concentric Medical, Inc.2009—
+1K113455Solitaire FR Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular2012—
+2K123378Solitaire 2 Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular2012—
+2K141491Solitaire 2 Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular2014—
+2K153071Solitaire Platinum Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular2015—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201220
201410
201521
201610
201710
201830
201910
202020
202140
202210
202310
202520
202620
FIG. 1 — Lineage of K062046, 2007–2026Source: 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.

1 device in this family has a Class I recall. 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 NRY device

  1. #1 K232971 APRO 55 Catheter and Alembic Aspiration Tubingscore 18.6 · 10 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? (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
*—Merci® Retriever X6
Named without a submission number
—

What descends from it? (24)

See all 24

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

NumberDeviceApplicantDecidedDescendants
K090085Merci Retriever, Models 90050, 90060, 90066, 90070, 90110, 90111, 90112, 90113Concentric Medical, Inc.200923
K113455Solitaire FR Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular201222

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K141516Mindframe Capture LP Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2015 · 2 generations on · ◆ in the 2015 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • Of its descendants, K090085 (Concentric Medical, Inc., 2009) has gone furthest, with 23 descendants of its own.

How does its category compare?

All NRY devices

NRY Catheter, Thrombus Retriever: FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, this device’s year, is highlighted.

FDA decisions per year · NRY

15in 2025

2007: 52008: 22009: 22010: 12011: 22012: 42014: 42015: 62016: 52017: 32018: 112019: 72020: 62021: 92022: 32023: 82024: 82025: 152026 (partial year): 14
2007high 15 (2025) · low 0 (2013)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NRY

129in 2025

2007: 94 days median2012: 90 days median2014: 140 days median2015: 128 days median2016: 75 days median2017: 185 days median2018: 156 days median2019: 89 days median2020: 125 days median2021: 80 days median2022: 129 days median2023: 112 days median2024: 165 days median2025: 129 days median2026 (partial year): 147 days median
2007high 185 (2017) · low 75 (2016)2026

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

Recalls per year · NRY

4in 2020

2010: 12013: 12017: 42020: 4, 4 Class I2026 (partial year): 2
2007high 4 (2017) · low 0 (2007)2026

Class I (4 since 2007) Class II/III not classified

Adverse event reports per year · NRY

565in 2025

2007: 132008: 182009: 572010: 2892011: 2632012: 3662013: 4052014: 4282015: 5982016: 4972017: 4322018: 4152019: 6502020: 7032021: 6882022: 5492023: 7112024: 6412025: 565
2007high 711 (2023) · low 13 (2007)2025

MAUDE reports naming product code NRY, 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
2007594013
20082—018
20092—057
20101—1289
20112—0263
20124900366
20130—1405
201441400428
201561280598
20165750497
201731854432
2018111560415
20197890650
202061254 (4)703
20219800688
202231290549
202381120711
202481650641
2025151290565
2026141472—

What is it indicated for?

The Modified Merci Retriever is intended to restore blood flow in the neurovasculature by removing thrombus in patients experiencing ischemic stroke. Patients who are ineligible for treatment with intravenous tissue plasminogen activator (IV t-PA) or who fail IV t-PA therapy are candidates for treatment. The Modified Merci Retriever is also indicated for use in the retrieval of foreign bodies misplaced during interventional radiological procedures in the neuro, peripheral and coronary vasculature.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K062046: Modified Merci Retriever, Model 90050.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K062046

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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