510(k) Report

510(k) · Cleared

Cleared

APRO 45 Catheter and Alembic Aspiration Tubing

K251015510(k) SpecialCleared Apr 30, 202528-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

Alembic, LLC · NRY Catheter, Thrombus Retriever

Cleared on Apr 30, 2025 as substantially equivalent to K232971 (Alembic, LLC, 2024) after a 28-day review. Its family tree reaches back 11 generations to 2001. 1 later device descends from it.

Decided
Apr 30, 2025
Review
28 days
Class
Class II
Product code
NRY
Recalls
None
Predicates
1

Its longest line of descent runs back 11 generations to K003410 (2001). 15 ancestors in all, the oldest K003086 (2001). 1 later device descends from it, 1 citing it directly.

  1. Root · 11 generations backK003410 Concentric Retriever, Model 90030Concentric Medical, Inc. · 2001 · Recalled
  2. 7 generations between
  3. 3 generations backK160449 Penumbra System, Penumbra Pump MAXPenumbra, Inc. · 2016
  4. 2 generations backK173841 AXS Catalyst Distal Access Catheter 058 x 115cm; AXS Catalyst Distal…Stryker · 2018
  5. 1 generation backK232971 APRO 55 Catheter and Alembic Aspiration TubingAlembic, LLC · 2024
  6. This deviceK251015 APRO 45 Catheter and Alembic Aspiration TubingAlembic, LLC · 2025
  7. Descendant · cites it directly · 0 of its ownK262391 APRO 35 Swift Catheter and Alembic Aspiration TubingAlembic, LLC · 2026
Show all 11 generations
  1. Root · 11 generations backK003410 Concentric Retriever, Model 90030Concentric Medical, Inc. · 2001 · Recalled
  2. 10 generations backK030476 Modified Concentric Retriever, Model 90037Concentric Medical, Inc. · 2003 · Recalled
  3. 9 generations backK033736 Merci Retriever, Models 90065, 90066Concentric Medical, Inc. · 2004
  4. 8 generations backK072718 Penumbra SystemPenumbra, Inc. · 2007 · Recalled
  5. 7 generations backK100769 Penumbra System Separator Flex (026,032,041,054), Models PSF026…Penumbra, Inc. · 2010
  6. 6 generations backK113163 Penumbra System MaxPenumbra, Inc. · 2011
  7. 5 generations backK142458 Penumbra System ACEPenumbra, Inc. · 2015
  8. 4 generations backK152541 Penumbra System ACE 64 and ACE 68 Reperfusion CathetersPenumbra, Inc. · 2016
  9. 3 generations backK160449 Penumbra System, Penumbra Pump MAXPenumbra, Inc. · 2016
  10. 2 generations backK173841 AXS Catalyst Distal Access Catheter 058 x 115cm; AXS Catalyst Distal…Stryker · 2018
  11. 1 generation backK232971 APRO 55 Catheter and Alembic Aspiration TubingAlembic, LLC · 2024
  12. This deviceK251015 APRO 45 Catheter and Alembic Aspiration TubingAlembic, LLC · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K262391APRO 35 Swift Catheter and Alembic Aspiration TubingAlembic, LLC · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K003410Concentric Retriever, Model 90030Concentric Medical, Inc.20011
−10K030476Modified Concentric Retriever, Model 90037Concentric Medical, Inc.20032
−9K033736Merci Retriever, Models 90065, 90066Concentric Medical, Inc.2004—
−8K072718Penumbra SystemPenumbra, Inc.20071
−7K100769Penumbra System Separator Flex (026,032,041,054), Models PSF026, PSF032…Penumbra, Inc.2010—
−6K113163Penumbra System MaxPenumbra, Inc.2011—
−5K142458Penumbra System ACEPenumbra, Inc.2015—
−4K152541Penumbra System ACE 64 and ACE 68 Reperfusion CathetersPenumbra, Inc.2016—
−3K160449Penumbra System, Penumbra Pump MAXPenumbra, Inc.2016—
−2K173841AXS Catalyst Distal Access Catheter 058 x 115cm; AXS Catalyst Distal Access…Stryker2018—
−1K232971APRO 55 Catheter and Alembic Aspiration TubingAlembic, LLC2024—
0 (this device)K251015APRO 45 Catheter and Alembic Aspiration TubingAlembic, LLC2025—
+1K262391APRO 35 Swift Catheter and Alembic Aspiration TubingAlembic, LLC2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110
200910
201210
201410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K251015, 2001–2026Source: 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.

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
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
*K232971APRO 55 Catheter and Alembic Aspiration Tubing
Summary page 5
…NRY Review Panel: Neurology 3) Legally Marketed Predicate Device Predicate Device: K232971 APRO® 55 Catheter and Alembic Aspiration Tubing 4) Device Description The APRO 45 Catheter is a single-lumen, b…
Alembic, LLC2024—

Also cleared against K232971: 2 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K262391APRO 35 Swift Catheter and Alembic Aspiration TubingAlembic, LLC20260

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 1.8 years on median.
  • 3 of the 15 ancestors have a recall of any class.
  • Of its descendants, K262391 (Alembic, LLC, 2026) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K232971.

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 APRO 45 Catheter with an aspiration pump and the Alembic Aspiration Tubing is intended for use in the revascularization of patients with acute ischemic stroke secondary to intracranial large vessel occlusive disease (within the internal carotid, middle cerebral – M1 and M2 segments, basilar, and vertebral arteries) within 8 hours of symptom onset. Patients who are ineligible for thrombolytic drug therapy or who failed thrombolytic drug therapy are candidates for treatment.

The Alembic Aspiration Tubing is intended to connect the APRO 45 Catheter to the aspiration pump.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K251015: APRO 45 Catheter and Alembic Aspiration Tubing.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K251015

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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