510(k) Report

510(k) · Cleared

Cleared

Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) Microspheres

K133447510(k) TraditionalCleared Feb 24, 2014104-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. · NAJ Agents, Embolic, For Treatment Of Uterine Fibroids

Cleared on Feb 24, 2014 as substantially equivalent to K073417 (Celonova Biosciences, Inc., 2008) and 3 other predicates after a 104-day review. Its family tree reaches back 8 generations to 1996. 2 later devices descend from it.

Decided
Feb 24, 2014
Review
104 days
Class
Class II
Product code
NAJ
Recalls
None
Predicates
4

Its longest line of descent runs back 8 generations to K961923 (1996). 17 ancestors in all, the oldest K871047 (1987). 2 later devices descend from it, 1 citing it directly.

  1. Root · 8 generations backK961923 Berenstein CoilTarget Therapeutics · 1996
  2. 7 generations backK964112 Berenstein CoilTarget Therapeutics · 1997
  3. 6 generations backK991549 Embosphere MicrospheresBiosphere Medical · 2000
  4. 5 generations backK021397 Embosphere Microspheres and Embogold Microspheres for Use in Uterine…Biosphere Medical, Inc. · 2002
  5. 4 generations backK030966 Contour Emboli Pva and Fastracker-325 Infusion CatheterBoston Scientific Corp · 2003 · Recalled
  6. 3 generations backK034068 Contour SE MicrospheresBoston Scientific Corp · 2004
  7. 2 generations backK073417 Embozene MicrospheresCelonova Biosciences, Inc. · 2008
  8. 1 generation backK132675 Embozene MicrospheresCelonova Biosciences, Inc. · 2013
  9. This deviceK133447 Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc. · 2014
  10. Descendant · cites it directly · 1 of its ownK141209 Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc. · 2014
  11. Descendant · 2 generations on · 0 of its ownK242794 ONCOZENE MicrospheresVarian Medical Systems, Inc. · 2024

Most influential descendants

Showing 2 of 2 · See all
  • 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
−8K961923Berenstein CoilTarget Therapeutics1996—
−7K964112Berenstein CoilTarget Therapeutics1997—
−6K991549Embosphere MicrospheresBiosphere Medical2000—
−5K021397Embosphere Microspheres and Embogold Microspheres for Use in Uterine Fibroid…Biosphere Medical, Inc.2002—
−4K030966Contour Emboli Pva and Fastracker-325 Infusion CatheterBoston Scientific Corp20031
−3K034068Contour SE MicrospheresBoston Scientific Corp2004—
−2K073417Embozene MicrospheresCelonova Biosciences, Inc.2008—
−1K132675Embozene MicrospheresCelonova Biosciences, Inc.2013—
0 (this device)K133447Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) MicrospheresCelonova Biosciences, Inc.2014—
+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
201410
202410
FIG. 1 — Lineage of K133447, 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 NAJ? 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 NAJ device

  1. #1 K233813 Bearing nsPVA Express™score 8.3 · 7 generations · no Class I recall
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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
*K073417Embozene Microspheres
Summary page 1
…es of Predicate Devices Trade Name: Embozene® Microspheres Manufacturer: CeloNova BioSciences, Inc. 5 10(k) Number: K07341 7/ K 132675 Product Code: KRD, 21 CFR 870.3300 Trade Name: Embosphere® Microspheres Manufa…
Celonova Biosciences, Inc.2008—
*K132675Embozene Microspheres
Summary page 1
…icate Devices Trade Name: Embozene® Microspheres Manufacturer: CeloNova BioSciences, Inc. 5 10(k) Number: K07341 7/ K 132675 Product Code: KRD, 21 CFR 870.3300 Trade Name: Embosphere® Microspheres Manufacturer:…
Celonova Biosciences, Inc.2013—
*K021397Embosphere Microspheres and Embogold Microspheres for Use in Uterine Fibroid Embolization
Summary page 1
…ospheres Manufacturer: BioSphere Medical, Inc. (Acquired by Merit Medical Systems, Inc.) 5 10O(k) Number: K02 1397 Product Code: NAJ, 21 CER 870.3300 Trade Name: Contour®D PVA Embolization Particles Manu…
Biosphere Medical, Inc.2002—
*K030966Contour Emboli Pva and Fastracker-325 Infusion Catheter
Summary page 2
…KI 33447 Page 2 of 6 510(k) Number: K030966 Product Code: NAJ, 21 CFR 870.3300 3. Indications for Use and Intended Purpose Embozene® Microspheres are int…
Boston Scientific Corp20031

Also cleared against K073417: 3 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
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 18 years and passes through 5 companies; a new generation was cleared every 2.6 years on median.
  • 1 of the 17 ancestors has a recall of any class.
  • Of its descendants, K141209 (Celonova Biosciences, Inc., 2014) has gone furthest, with 1 descendant of its own.
  • 3 other devices also cite its predicate K073417.

How does its category compare?

All NAJ devices

NAJ Agents, Embolic, For Treatment Of Uterine Fibroids: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

FDA decisions per year · NAJ

1in 2023

2008: 12010: 12013: 12014: 12018: 12023: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NAJ

Too few NAJ 510(k)s in any year since 2007 to give a median.

Recalls per year · NAJ

1in 2009

2009: 1
2007high 1 (2009) · low 0 (2007)2026

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

Adverse event reports per year · NAJ

3in 2025

2007: 462008: 232009: 112010: 242011: 162012: 212013: 92014: 152015: 162016: 142017: 112018: 72019: 42020: 12021: 42022: 202023: 32024: 12025: 3
2007high 46 (2007) · low 1 (2020)2025

MAUDE reports naming product code NAJ, 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
20070—046
20081—023
20090—111
20101—024
20110—016
20120—021
20131—09
20141—015
20150—016
20160—014
20170—011
20181—07
20190—04
20200—01
20210—04
20220—020
20231—03
20240—01
20250—03
20260—0—

What is it indicated for?

Ernbozene®I Microspheres are indicated for the embolization of arteriovenous mnalformations and hypervascular tumors, including uterine fibroids.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K133447: Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) Microspheres.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133447

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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