510(k) · Cleared
ClearedNautica Micro Catheter, Model 105-5094-153
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Micro Therapeutics, Inc. · KRA Catheter, Continuous Flush
Cleared on Mar 7, 2003 as substantially equivalent to K022003 (Micro Therapeutics, Inc., 2002) and 1 other predicate after an 81-day review. Its family tree reaches back 3 generations to 1998. 4 later devices descend from it.
- Decided
- Mar 7, 2003
- Review
- 81 days
- Class
- Class II
- Product code
- KRA
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 3 generations to K974473 (1998). 4 ancestors in all. 4 later devices descend from it, 1 citing it directly.
- Root · 3 generations backK974473 Easy Rider Micro CatheterMicro Therapeutics, Inc. · 1998
- 2 generations backK993672 Rebar Micro Catheter, Models 105-5080, 105-5086Micro Therapeutics, Inc. · 2000
- 1 generation backK022003 Titan Micro Catheter, Model 105-5074-153; HD Injector, Model 103-0305Micro Therapeutics, Inc. · 2002
- This deviceK024122 Nautica Micro Catheter, Model 105-5094-153Micro Therapeutics, Inc. · 2003
- Descendant · cites it directly · 3 of its ownK093750 Echelon Micro Catheter, Marathon Micro Catheter, Nautica Micro…Ev3, Inc. · 2009 · Recalled
- Descendant · 2 generations on · 1 of its ownK210114 Rebar Micro CatheterMicro Therapeuatics, Inc. D/B/A Ev3 Neurovascular · 2021
- Descendant · 3 generations on · 0 of its ownK243534 Micro CatheterSuzhou Zenith Vascular SciTech Limited · 2025
- Descendant · 2 generations on · 0 of its ownK202318 Marathon Flow Directed Micro CatheterMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2020
Most influential descendants
Showing 4 of 4 · See all- K093750Echelon Micro Catheter, Marathon Micro Catheter, Nautica Micro Catheter Ultraflow HPC…Ev3, Inc. · 2009 · cites it directly3descendants
- K210114Rebar Micro CatheterMicro Therapeuatics, Inc. D/B/A Ev3 Neurovascular · 2021 · 2 generations on1descendant
- K243534Micro CatheterSuzhou Zenith Vascular SciTech Limited · 2025 · 3 generations on0descendants
- K202318Marathon Flow Directed Micro CatheterMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2020 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K974473 | Easy Rider Micro Catheter | Micro Therapeutics, Inc. | 1998 | — |
| −2 | K993672 | Rebar Micro Catheter, Models 105-5080, 105-5086 | Micro Therapeutics, Inc. | 2000 | — |
| −1 | K022003 | Titan Micro Catheter, Model 105-5074-153; HD Injector, Model 103-0305 | Micro Therapeutics, Inc. | 2002 | — |
| 0 (this device) | K024122 | Nautica Micro Catheter, Model 105-5094-153 | Micro Therapeutics, Inc. | 2003 | — |
| +1 | K093750 | Echelon Micro Catheter, Marathon Micro Catheter, Nautica Micro Catheter… | Ev3, Inc. | 2009 | 2 |
| +2 | K210114 | Rebar Micro Catheter | Micro Therapeuatics, Inc. D/B/A Ev3 Neurovascular | 2021 | — |
| +3 | K243534 | Micro Catheter | Suzhou Zenith Vascular SciTech Limited | 2025 | — |
| +2 | K202318 | Marathon Flow Directed Micro Catheter | Micro Therapeutics, Inc. d/b/a ev3 Neurovascular | 2020 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2001 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2025 | 1 | 0 |
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 KRA? 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 KRA device
- #1 K253509 TriSalus TriNav Advance Infusion Systemscore 14.5 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K022003 | Titan Micro Catheter, Model 105-5074-153; HD Injector, Model 103-0305Summary page 1Micro Therapeutics, Inc. MTI Confidential Special 51 O(k) (modificationsto K022003) NauticaTMMicro Catheter December 12,2002… | 2002 |
| * | K993672 | Rebar Micro Catheter, Models 105-5080, 105-5086Summary page 1…ory Affairs Irvine, CA 92618 (949) 837-3700 PREDICATE MTI TitanTMMicro Catheter (K022003) DEVICE(S) MTI RebarB Micro Catheter (K993672) DEVICE The MTI NauticaTMMicro Catheter is an end-hole, single-lumen DESCRIPTION catheter designe… | 2000 |
What descends from it? (4)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K093750 | Echelon Micro Catheter, Marathon Micro Catheter, Nautica Micro Catheter Ultraflow HPC… | 2009 | 3 |
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 1.5 years on median.
- None of the 4 ancestors has a recall.
- Of its descendants, K093750 (Ev3, Inc., 2009) has gone furthest, with 3 descendants of its own.
How does its category compare?
All KRA devicesKRA Catheter, Continuous Flush: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KRA
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KRA
63in 2023
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KRA
41so far in 2026, the most since 2007
Class I (7 since 2007) Class II/III not classified
Adverse event reports per year · KRA
980in 2025
MAUDE reports naming product code KRA, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 5 | 44 | 2 | 118 |
| 2008 | 7 | 144 | 6 | 117 |
| 2009 | 5 | 69 | 8 | 187 |
| 2010 | 2 | — | 26 | 355 |
| 2011 | 2 | — | 3 | 239 |
| 2012 | 3 | 29 | 3 | 217 |
| 2013 | 3 | 126 | 2 | 209 |
| 2014 | 4 | 61 | 3 (2) | 276 |
| 2015 | 0 | — | 1 | 339 |
| 2016 | 8 | 122 | 3 (1) | 418 |
| 2017 | 4 | 166 | 0 | 538 |
| 2018 | 4 | 178 | 0 | 434 |
| 2019 | 4 | 133 | 4 (4) | 418 |
| 2020 | 6 | 29 | 1 | 381 |
| 2021 | 6 | 108 | 0 | 440 |
| 2022 | 6 | 228 | 0 | 543 |
| 2023 | 7 | 63 | 2 | 829 |
| 2024 | 0 | — | 0 | 942 |
| 2025 | 1 | — | 0 | 980 |
| 2026 | 5 | 268 | 41 | — |
What is it indicated for?
The MTI Nautica Micro Catheter is intended to access peripheral and neuro vasculature for the controlled selective infusion of physician-specified therapeutic agents such as embolization materials and of diagnostic materials such as contrast media. Not intended for use in the coronary vasculature.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K024122 · printed Nov 3, 2026
Cite this page
510(k) Report. “K024122: Nautica Micro Catheter, Model 105-5094-153.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K024122
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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