510(k) Report

510(k) · Cleared

Cleared

Micro Therapeutics Infusion Catheter

K940634510(k) TraditionalCleared Oct 14, 1994242-day reviewClass II21 CFR 880.5200

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

Micro Therapeutics, Inc. · FOZ Catheter, Intravascular, Therapeutic, Short-Term Less Than 30 Days

Cleared on Oct 14, 1994 after a 242-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 42 later devices descend from it.

Decided
Oct 14, 1994
Review
242 days
Class
Class II
Product code
FOZ
Recalls
None
Predicates
0

42 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared2013: 1 descendant cleared2004: 3 descendants cleared2005: 3 descendants cleared2006: 4 descendants cleared2007: 3 descendants cleared2016: 2 descendants cleared2008: 3 descendants cleared2025: 1 descendant cleared2018: 2 descendants cleared2026: 4 descendants cleared2011: 1 descendant cleared2019: 4 descendants cleared2022: 2 descendants cleared2021: 2 descendants cleared2024: 4 descendants cleared2020: 2 descendants cleared1990200020102020
  1. This deviceK940634 Micro Therapeutics Infusion CatheterMicro Therapeutics, Inc. · 1994
  2. Descendant · cites it directly · 41 of its ownK964868 2.9F Cragg-Mcnamara Valved Infusion CatheterMicro Therapeutics, Inc. · 1997
  3. Descendant · 2 generations on · 39 of its ownK041629 Lysus Infusion SystemEkos Corp. · 2004
  4. Descendant · 3 generations on · 38 of its ownK042456 Lysus Infusion SystemEkos Corp. · 2004 · Recalled
  5. Descendant · 4 generations on · 35 of its ownK051319 Lysus Infusion SystemEkos Corp. · 2005
  6. Descendant · 5 generations on · 34 of its ownK052071 Lysus Infusion SystemEkos Corp. · 2005

Showing 5 of 42 descendants. See all descendants

Descendants cleared per year

1997: 12004: 32005: 32006: 42007: 32008: 32011: 12013: 12016: 22018: 22019: 42020: 22021: 22022: 22024: 42025: 12026: 4
1997high 4 (2006) · low 0 (1998)2026

Most influential descendants

Showing 5 of 42 · See all
  • K9648682.9F Cragg-Mcnamara Valved Infusion CatheterMicro Therapeutics, Inc. · 1997 · cites it directly41descendants
  • K041629Lysus Infusion SystemEkos Corp. · 2004 · 2 generations on39descendants
  • K042456Lysus Infusion SystemEkos Corp. · 2004 · 3 generations on38descendants
  • K051319Lysus Infusion SystemEkos Corp. · 2005 · 4 generations on35descendants
  • K052071Lysus Infusion SystemEkos Corp. · 2005 · 5 generations on34descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K940634Micro Therapeutics Infusion CatheterMicro Therapeutics, Inc.1994—
+1K9648682.9F Cragg-Mcnamara Valved Infusion CatheterMicro Therapeutics, Inc.1997—
+2K041629Lysus Infusion SystemEkos Corp.2004—
+3K042456Lysus Infusion SystemEkos Corp.20043
+4K051319Lysus Infusion SystemEkos Corp.2005—
+5K052071Lysus Infusion SystemEkos Corp.2005—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
200430
200530
200640
200730
200830
201110
201310
201620
201820
201940
202020
202120
202220
202440
202510
202640
FIG. 1 — Lineage of K940634, 1994–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in FOZ? 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 FOZ device

  1. #1 K243403 BD Nexiva™ Closed IV Catheter Systemscore 14.8 · 8 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (42)

See all 42

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

NumberDeviceApplicantDecidedDescendants
K9648682.9F Cragg-Mcnamara Valved Infusion CatheterMicro Therapeutics, Inc.199741

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?

  • Of its descendants, K964868 (Micro Therapeutics, Inc., 1997) has gone furthest, with 41 descendants of its own.

How does its category compare?

All FOZ devices

FOZ Catheter, Intravascular, Therapeutic, Short-Term Less Than 30 Days: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FOZ

11in 2025

2007: 62008: 92009: 92010: 32011: 62012: 132013: 42014: 92015: 102016: 92017: 92018: 12019: 82020: 102021: 42022: 82023: 92024: 62025: 112026 (partial year): 7
2007high 13 (2012) · low 1 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FOZ

91in 2025

2007: 159 days median2008: 103 days median2009: 30 days median2010: 28 days median2011: 132 days median2012: 122 days median2013: 104 days median2014: 99 days median2015: 107 days median2016: 63 days median2017: 51 days median2019: 140 days median2020: 191 days median2021: 242 days median2022: 183 days median2023: 129 days median2024: 190 days median2025: 91 days median2026 (partial year): 203 days median
2007high 242 (2021) · low 28 (2010)2026

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

Recalls per year · FOZ

4in 2023

2007: 162009: 232010: 1152013: 22014: 42016: 3, 1 Class I2017: 222018: 42019: 32020: 32021: 12022: 4, 2 Class I2023: 4, 2 Class I2026 (partial year): 2
2007high 115 (2010) · low 0 (2008)2026

Class I (5 since 2007) Class II/III not classified

Adverse event reports per year · FOZ

5,110in 2025

2007: 3742008: 4222009: 5082010: 3702011: 7862012: 5602013: 6402014: 8152015: 7292016: 9252017: 1,9662018: 3,3052019: 4,3652020: 3,7972021: 4,6742022: 4,1332023: 4,4302024: 4,7722025: 5,110
2007high 5,110 (2025) · low 370 (2010)2025

MAUDE reports naming product code FOZ, 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
2007615916374
200891030422
200993023508
2010328115370
201161320786
2012131220560
201341042640
20149994815
2015101070729
20169633 (1)925
2017951221,966
20181—43,305
2019814034,365
20201019133,797
2021424214,674
202281834 (2)4,133
202391294 (2)4,430
2024619004,772
2025119105,110
202672032—
Cite this page

510(k) Report. “K940634: Micro Therapeutics Infusion Catheter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K940634

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026