510(k) Report

510(k) · Cleared

Cleared

Modification to:Contour SE Microspheres

K071634510(k) SpecialCleared Jul 12, 200727-day reviewClass II21 CFR 882.5950

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

Boston Scientific Corp · HCG Device, Neurovascular Embolization

Cleared on Jul 12, 2007 after a 27-day review. The FDA summary names no predicate by number. 7 later devices descend from it.

Decided
Jul 12, 2007
Review
27 days
Class
Class II
Product code
HCG
Recalls
None
Predicates
0

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

Descendants, by year cleared 2008: 1 descendant cleared2013: 2 descendants cleared2014: 2 descendants cleared2016: 1 descendant cleared2024: 1 descendant cleared20052010201520202025
  1. This deviceK071634 Modification to:Contour SE MicrospheresBoston Scientific Corp · 2007
  2. Descendant · cites it directly · 6 of its ownK073417 Embozene MicrospheresCelonova Biosciences, Inc. · 2008
  3. Descendant · 2 generations on · 4 of its ownK132675 Embozene MicrospheresCelonova Biosciences, Inc. · 2013
  4. Descendant · 2 generations on · 2 of its ownK133447 Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc. · 2014
  5. Descendant · 2 generations on · 2 of its ownK130307 Oncozene Microspheres 40UM, 2ML, Oncozene Microspheres 75UM, 2ML…Celonova Biosciences, Inc. · 2013
  6. Descendant · 2 generations on · 1 of its ownK141209 Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc. · 2014

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2008: 12013: 22014: 22016: 12024: 1
2008high 2 (2013) · low 0 (2009)2026

Most influential descendants

Showing 5 of 7 · See all
  • K073417Embozene MicrospheresCelonova Biosciences, Inc. · 2008 · cites it directly6descendants
  • K132675Embozene MicrospheresCelonova Biosciences, Inc. · 2013 · 2 generations on4descendants
  • K133447Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) MicrospheresCelonova Biosciences, Inc. · 2014 · 2 generations on2descendants
  • K130307Oncozene Microspheres 40UM, 2ML, Oncozene Microspheres 75UM, 2ML, Oncozene Microspheres…Celonova Biosciences, Inc. · 2013 · 2 generations on2descendants
  • K141209Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) Microspheres…Celonova Biosciences, Inc. · 2014 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K071634Modification to:Contour SE MicrospheresBoston Scientific Corp2007—
+1K073417Embozene MicrospheresCelonova Biosciences, Inc.2008—
+2K132675Embozene MicrospheresCelonova Biosciences, Inc.2013—
+2K133447Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored) MicrospheresCelonova Biosciences, Inc.2014—
+2K130307Oncozene Microspheres 40UM, 2ML, Oncozene Microspheres 75UM, 2ML, Oncozene…Celonova Biosciences, Inc.2013—
+2K141209Embozene Color-Advanced Microspheres, Embozene Opaque (Non-Colored)…Celonova Biosciences, Inc.2014—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200810
201320
201420
201610
202410
FIG. 1 — Lineage of K071634, 2007–2024Source: 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 HCG? 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 HCG device

  1. #1 K252700 Optima Coil System (Optima Packing Coil System)score 20.6 · 26 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against?

The FDA summary names no predicate by number.

What descends from it? (7)

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

NumberDeviceApplicantDecidedDescendants
K073417Embozene MicrospheresCelonova Biosciences, Inc.20086

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, K073417 (Celonova Biosciences, Inc., 2008) has gone furthest, with 6 descendants of its own.

How does its category compare?

All HCG devices

HCG Device, Neurovascular Embolization: FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, this device’s year, is highlighted.

FDA decisions per year · HCG

3in 2025

2007: 82008: 92009: 72010: 82011: 92012: 72013: 72014: 52015: 52016: 72017: 52018: 42019: 12020: 22021: 52022: 32023: 22024: 42025: 32026 (partial year): 4
2007high 9 (2008) · low 1 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HCG

107in 2025

2007: 50 days median2008: 71 days median2009: 48 days median2010: 72 days median2011: 78 days median2012: 30 days median2013: 67 days median2014: 66 days median2015: 60 days median2016: 37 days median2017: 97 days median2018: 173 days median2021: 103 days median2022: 114 days median2024: 49 days median2025: 107 days median2026 (partial year): 30 days median
2007high 173 (2018) · low 30 (2012)2026

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

Recalls per year · HCG

1in 2025

2007: 12008: 32010: 22011: 12013: 22014: 42022: 22024: 12025: 1, 1 Class I2026 (partial year): 1
2007high 4 (2014) · low 0 (2009)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · HCG

537in 2025

2007: 3262008: 7302009: 8212010: 8512011: 8942012: 1,1462013: 1,1032014: 1,7292015: 1,5982016: 1,9912017: 2,4942018: 2,0582019: 1,7632020: 1,7542021: 2,2682022: 6632023: 5682024: 5522025: 537
2007high 2,494 (2017) · low 326 (2007)2025

MAUDE reports naming product code HCG, 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
20078501326
20089713730
20097480821
20108722851
20119781894
201273001,146
201376721,103
201456641,729
201556001,598
201673701,991
201759702,494
2018417302,058
20191—01,763
20202—01,754
2021510302,268
202231142663
20232—0568
20244491552
202531071 (1)537
20264301—

What is it indicated for?

Contour SE Microspheres are indicated for the embolization of hypervascular tumors, including leiomyoma uteri and arteriovenous malformations (AVMs).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K071634: Modification to:Contour SE Microspheres.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K071634

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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