510(k) Report

510(k) · Cleared

Cleared

Embozene Microspheres

K073417510(k) TraditionalCleared Dec 15, 2008377-day reviewClass II21 CFR 870.3300

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

Celonova Biosciences, Inc. · KRD Device, Vascular, For Promoting Embolization

Cleared on Dec 15, 2008 as substantially equivalent to K033761 (Biocompatibles UK Limited, 2004) and 3 other predicates after a 377-day review. Its family tree reaches back 6 generations to 1996. 6 later devices descend from it.

Decided
Dec 15, 2008
Review
377 days
Class
Class II
Product code
KRD
Recalls
None
Predicates
4

Its longest line of descent runs back 6 generations to K961923 (1996). 15 ancestors in all, the oldest K871047 (1987). 6 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2007: 1 other ancestor2004: 1 other ancestor2003: 2 other ancestors2002: 2 other ancestors2001: 1 other ancestor1994: 1 other ancestor1987: 1 other ancestor2013: 2 descendants cleared2014: 2 descendants cleared2016: 1 descendant cleared2024: 1 descendant clearedK961923 · Berenstein Coil · Target Therapeutics · 1996K964112 · Berenstein Coil · Target Therapeutics · 1997K991549 · Embosphere Microspheres · Biosphere Medical · 2000K021397 · Embosphere Microspheres and Embogold Microspheres for Use in Uterine Fibroid Embolization · Biosphere Medical, Inc. · 2002K030966 · Contour Emboli Pva and Fastracker-325 Infusion Catheter · Boston Scientific Corp · 2003 · recalledK034068 · Contour SE Microspheres · Boston Scientific Corp · 20041990200020102020
  1. Root · 6 generations backK961923 Berenstein CoilTarget Therapeutics · 1996
  2. 5 generations backK964112 Berenstein CoilTarget Therapeutics · 1997
  3. 4 generations backK991549 Embosphere MicrospheresBiosphere Medical · 2000
  4. 3 generations backK021397 Embosphere Microspheres and Embogold Microspheres for Use in Uterine…Biosphere Medical, Inc. · 2002
  5. 2 generations backK030966 Contour Emboli Pva and Fastracker-325 Infusion CatheterBoston Scientific Corp · 2003 · Recalled
  6. 1 generation backK034068 Contour SE MicrospheresBoston Scientific Corp · 2004
  7. This deviceK073417 Embozene MicrospheresCelonova Biosciences, Inc. · 2008
  8. Descendant · cites it directly · 4 of its ownK132675 Embozene MicrospheresCelonova Biosciences, Inc. · 2013
  9. Descendant · cites it directly · 2 of its ownK133447 Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc. · 2014
  10. Descendant · cites it directly · 2 of its ownK130307 Oncozene Microspheres 40UM, 2ML, Oncozene Microspheres 75UM, 2ML…Celonova Biosciences, Inc. · 2013
  11. Descendant · cites it directly · 1 of its ownK141209 Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc. · 2014
  12. Descendant · 2 generations on · 0 of its ownK242794 ONCOZENE MicrospheresVarian Medical Systems, Inc. · 2024

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2013: 22014: 22016: 12024: 1
2013high 2 (2013) · low 0 (2015)2026

Most influential descendants

Showing 5 of 6 · See all
  • K132675Embozene MicrospheresCelonova Biosciences, Inc. · 2013 · cites it directly4descendants
  • K133447Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) MicrospheresCelonova Biosciences, Inc. · 2014 · cites it directly2descendants
  • K130307Oncozene Microspheres 40UM, 2ML, Oncozene Microspheres 75UM, 2ML, Oncozene Microspheres…Celonova Biosciences, Inc. · 2013 · cites it directly2descendants
  • K141209Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) Microspheres…Celonova Biosciences, Inc. · 2014 · cites it directly1descendant
  • K242794ONCOZENE MicrospheresVarian Medical Systems, Inc. · 2024 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K961923Berenstein CoilTarget Therapeutics1996—
−5K964112Berenstein CoilTarget Therapeutics1997—
−4K991549Embosphere MicrospheresBiosphere Medical2000—
−3K021397Embosphere Microspheres and Embogold Microspheres for Use in Uterine Fibroid…Biosphere Medical, Inc.2002—
−2K030966Contour Emboli Pva and Fastracker-325 Infusion CatheterBoston Scientific Corp20031
−1K034068Contour SE MicrospheresBoston Scientific Corp2004—
0 (this device)K073417Embozene MicrospheresCelonova Biosciences, Inc.2008—
+1K132675Embozene MicrospheresCelonova Biosciences, Inc.2013—
+1K133447Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) MicrospheresCelonova Biosciences, Inc.2014—
+1K130307Oncozene Microspheres 40UM, 2ML, Oncozene Microspheres 75UM, 2ML, Oncozene…Celonova Biosciences, Inc.2013—
+1K141209Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc.2014—
+2K242794ONCOZENE MicrospheresVarian Medical Systems, Inc.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199410
200110
200220
200320
200410
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201320
201420
201610
202410
FIG. 1 — Lineage of K073417, 1996–2024Source: 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 KRD? 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 KRD device

  1. #1 K253511 Concerto Versa™ Detachable Coilscore 17.6 · 14 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? (4)

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
*K033761Gelspheres / Beadblock Compressible Microspheres
Summary page 1
…redicate Devices: Embozenew Microspheres are substantially equivalent to these predicate devices: Biocompatibles Gelspheres'Microspheres (Via[) (colored) - K033761 Biocompatibtes Bead Blockw Microspheres (Syringe) (colored) - K033761 Boston Scientific Contour SE" Mic…
Biocompatibles UK Limited2004—
*K032707Contour SE Microspheres (Syringe)
Summary page 1
…res (Via[) (colored) - K033761 Biocompatibtes Bead Blockw Microspheres (Syringe) (colored) - K033761 Boston Scientific Contour SE" Microspheres K032707 Boston Scientific Contour SE" Microspheres K034068 Boston Scientific Contour SE' Microspheres K071634…
Boston Scientific Corp2003—
*K034068Contour SE Microspheres
Summary page 1
…Blockw Microspheres (Syringe) (colored) - K033761 Boston Scientific Contour SE" Microspheres K032707 Boston Scientific Contour SE" Microspheres K034068 Boston Scientific Contour SE' Microspheres K071634 Clinical Data. None required. Adverse Safety & Effecti…
Boston Scientific Corp2004—
*K071634Modification to:Contour SE Microspheres
Summary page 1
…oston Scientific Contour SE" Microspheres K032707 Boston Scientific Contour SE" Microspheres K034068 Boston Scientific Contour SE' Microspheres K071634 Clinical Data. None required. Adverse Safety & Effectiveness Information: None. Signature _ _ - '…
Boston Scientific Corp2007—

Also cleared against K033761: 3 other devices →

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K132675Embozene MicrospheresCelonova Biosciences, Inc.20134
K133447Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) MicrospheresCelonova Biosciences, Inc.20142
K130307Oncozene Microspheres 40UM, 2ML, Oncozene Microspheres 75UM, 2ML, Oncozene Microspheres…Celonova Biosciences, Inc.20132
K141209Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) Microspheres…Celonova Biosciences, Inc.20141

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 12 years and passes through 5 companies; a new generation was cleared every 2.6 years on median.
  • 1 of the 15 ancestors has a recall of any class.
  • Of its descendants, K132675 (Celonova Biosciences, Inc., 2013) has gone furthest, with 4 descendants of its own.
  • 3 other devices also cite its predicate K033761.

How does its category compare?

All KRD devices

KRD Device, Vascular, For Promoting Embolization: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · KRD

9in 2025

2007: 22008: 52009: 42010: 32011: 52012: 82013: 112014: 72015: 112016: 42017: 42018: 42019: 62020: 42021: 32022: 82023: 22024: 62025: 92026 (partial year): 7
2007high 11 (2013) · low 2 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KRD

60in 2025

2008: 84 days median2009: 27 days median2010: 150 days median2011: 36 days median2012: 30 days median2013: 33 days median2014: 134 days median2015: 130 days median2016: 164 days median2017: 89 days median2018: 62 days median2019: 178 days median2020: 137 days median2021: 134 days median2022: 175 days median2024: 70 days median2025: 60 days median2026 (partial year): 70 days median
2007high 178 (2019) · low 27 (2009)2026

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

Recalls per year · KRD

1in 2024

2010: 12013: 12023: 12024: 12026 (partial year): 1
2007high 1 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · KRD

1,572in 2025

2007: 212008: 142009: 402010: 612011: 1022012: 1372013: 2442014: 1592015: 3372016: 4372017: 7362018: 1,0662019: 1,1852020: 1,1672021: 1,4442022: 1,4982023: 1,3712024: 1,5352025: 1,572
2007high 1,572 (2025) · low 14 (2008)2025

MAUDE reports naming product code KRD, 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
20072—021
2008584014
2009427040
20103150161
20115360102
20128300137
201311331244
201471340159
2015111300337
201641640437
20174890736
201846201,066
2019617801,185
2020413701,167
2021313401,444
2022817501,498
20232—11,371
202467011,535
202596001,572
20267701—

What is it indicated for?

EmbozeneTM Microspheres are indicated for the embolization of

hypervascular tumors and arteriovenous malformations.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K073417: Embozene Microspheres.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K073417

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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