510(k) Report

510(k) · Cleared

Cleared

Tigertriever 17 Ultra Revascularization Device

K251603510(k) TraditionalCleared Oct 6, 2025132-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

Rapid Medical, Ltd. · NRY Catheter, Thrombus Retriever

Cleared on Oct 6, 2025 as substantially equivalent to K203592 (Rapid Medical, Ltd., 2021) after a 132-day review. Its family tree reaches back 9 generations to 2001.

Decided
Oct 6, 2025
Review
132 days
Class
Class II
Product code
NRY
Recalls
None
Predicates
1

Its longest line of descent runs back 9 generations to K003410 (2001). 15 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 9 generations backK003410 Concentric Retriever, Model 90030Concentric Medical, Inc. · 2001 · Recalled
  2. 5 generations between
  3. 3 generations backK123378 Solitaire 2 Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular · 2012
  4. 2 generations backK141491 Solitaire 2 Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2014
  5. 1 generation backK203592 Tigertriever and Tigertriever 17 Revascularization DevceRapid Medical, Ltd. · 2021
  6. This deviceK251603 Tigertriever 17 Ultra Revascularization DeviceRapid Medical, Ltd. · 2025
Show all 9 generations
  1. Root · 9 generations backK003410 Concentric Retriever, Model 90030Concentric Medical, Inc. · 2001 · Recalled
  2. 8 generations backK030476 Modified Concentric Retriever, Model 90037Concentric Medical, Inc. · 2003 · Recalled
  3. 7 generations backK033736 Merci Retriever, Models 90065, 90066Concentric Medical, Inc. · 2004
  4. 6 generations backK063774 Modification to Merci Retriever, Models X5 and X6Concentric Medical, Inc. · 2007
  5. 5 generations backK090085 Merci Retriever, Models 90050, 90060, 90066, 90070, 90110, 90111…Concentric Medical, Inc. · 2009
  6. 4 generations backK113455 Solitaire FR Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular · 2012
  7. 3 generations backK123378 Solitaire 2 Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular · 2012
  8. 2 generations backK141491 Solitaire 2 Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2014
  9. 1 generation backK203592 Tigertriever and Tigertriever 17 Revascularization DevceRapid Medical, Ltd. · 2021
  10. This deviceK251603 Tigertriever 17 Ultra Revascularization DeviceRapid Medical, Ltd. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K003410Concentric Retriever, Model 90030Concentric Medical, Inc.20011
−8K030476Modified Concentric Retriever, Model 90037Concentric Medical, Inc.20032
−7K033736Merci Retriever, Models 90065, 90066Concentric Medical, Inc.2004—
−6K063774Modification to Merci Retriever, Models X5 and X6Concentric Medical, Inc.2007—
−5K090085Merci Retriever, Models 90050, 90060, 90066, 90070, 90110, 90111, 90112, 90113Concentric Medical, Inc.2009—
−4K113455Solitaire FR Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular2012—
−3K123378Solitaire 2 Revascularization DeviceMicro Therapeutics Dba Ev3 Neurovascular2012—
−2K141491Solitaire 2 Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular2014—
−1K203592Tigertriever and Tigertriever 17 Revascularization DevceRapid Medical, Ltd.2021—
0 (this device)K251603Tigertriever 17 Ultra Revascularization DeviceRapid Medical, Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200610
200730
200820
FIG. 1 — Lineage of K251603, 2001–2025Source: 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 NRY? 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
*K203592Tigertriever and Tigertriever 17 Revascularization Devce
Summary page 5
…ce Class: II Classification Panel: Neurology Legally Marketed Predicate and Reference Devices Predicate Device: Tigertriever 17 Revascularization Device (K203592) Reference Device: Solitaire X Revascularization Device (K203358) Indications for Use Statement The Tigertriever…
Rapid Medical, Ltd.2021—
†K203358Solitaire X Revascularization DeviceMicro Therapeutics, Inc. d/b/a ev3 Neurovascular2021—

Also cleared against K203592: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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 24 years and passes through 4 companies; a new generation was cleared every 2.1 years on median.
  • 3 of the 15 ancestors have a recall of any class.
  • 3 other devices also cite its predicate K203592.

How does its category compare?

All NRY devices

NRY Catheter, Thrombus Retriever: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, 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 Tigertriever 17 Ultra Revascularization Device is intended to restore blood flow by removing thrombus from a large intracranial vessel in patients experiencing ischemic stroke within 8 hours of symptom onset. Patients who are ineligible for thrombolytic drug therapy or who failed thrombolytic drug therapy are candidates for treatment.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K251603: Tigertriever 17 Ultra Revascularization Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K251603

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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