510(k) Report

510(k) · Cleared

Cleared

Gel-Block Embolization Pledgets

K113266510(k) TraditionalCleared May 14, 2012192-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

Vascular Solutions, Inc. · KRD Device, Vascular, For Promoting Embolization

Cleared on May 14, 2012 as substantially equivalent to K991549 (Biosphere Medical, 2000) and 1 other predicate after a 192-day review. Its family tree reaches back 5 generations to 2001. 8 later devices descend from it.

Decided
May 14, 2012
Review
192 days
Class
Class II
Product code
KRD
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K010026 (2001). 12 ancestors in all, the oldest K871047 (1987). 8 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor2003: 1 other ancestor2002: 1 other ancestor1997: 1 other ancestor1996: 1 other ancestor1994: 1 other ancestor1987: 1 other ancestor2014: 2 descendants cleared2018: 3 descendants cleared2017: 1 descendant cleared2019: 2 descendants clearedK010026 · Embogold Microsphere · Biosphere Medical, Inc. · 2001K023089 · Gelspheres Embolic Agent · Biocure, Inc. · 2002K033761 · Gelspheres / Beadblock Compressible Microspheres · Biocompatibles UK Limited · 2004K042231 · Gelspheres Microspheres and Bead Block Compressible Microspheres · Biocompatibles UK Limited · 2004K052742 · Hepasphere Microspheres · Biosphere Medical, Inc. · 20061990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 6 other ancestors 1 generation forward: 3 descendants2 generations forward: 4 descendants3 generations forward: 1 descendant K052742 · Hepasphere Microspheres · Biosphere Medical, Inc. · 2006K042231 · Gelspheres Microspheres and Bead Block Compressible Microspheres · Biocompatibles UK Limited · 2004K033761 · Gelspheres / Beadblock Compressible Microspheres · Biocompatibles UK Limited · 2004K023089 · Gelspheres Embolic Agent · Biocure, Inc. · 2002K010026 · Embogold Microsphere · Biosphere Medical, Inc. · 2001−50
  1. Root · 5 generations backK010026 Embogold MicrosphereBiosphere Medical, Inc. · 2001
  2. 4 generations backK023089 Gelspheres Embolic AgentBiocure, Inc. · 2002
  3. 3 generations backK033761 Gelspheres / Beadblock Compressible MicrospheresBiocompatibles UK Limited · 2004
  4. 2 generations backK042231 Gelspheres Microspheres and Bead Block Compressible MicrospheresBiocompatibles UK Limited · 2004
  5. 1 generation backK052742 Hepasphere MicrospheresBiosphere Medical, Inc. · 2006
  6. This deviceK113266 Gel-Block Embolization PledgetsVascular Solutions, Inc. · 2012
  7. Descendant · cites it directly · 2 of its ownK143038 Gel-Block 10X embolization pledgetsVascular Solutions, Inc. · 2014
  8. Descendant · cites it directly · 2 of its ownK133237 Gel-Bead Embolization SpheresVascular Solutions, Inc. · 2014
  9. Descendant · 2 generations on · 1 of its ownK181021 EmboCube Embolization GelatinBiosphere Medical, S.A. · 2018
  10. Descendant · cites it directly · 1 of its ownK181051 IMPEDE Embolization Plug, 5mm, IMPEDE Embolization Plug, 7mm, IMPEDE…Shape Memory Medical · 2018
  11. Descendant · 2 generations on · 1 of its ownK171946 Gel-BeadVascular Solutions, Inc. · 2017

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

2014: 22017: 12018: 32019: 2
2014high 3 (2018) · low 0 (2015)2026

Most influential descendants

Showing 5 of 8 · See all
  • K143038Gel-Block 10X embolization pledgetsVascular Solutions, Inc. · 2014 · cites it directly2descendants
  • K133237Gel-Bead Embolization SpheresVascular Solutions, Inc. · 2014 · cites it directly2descendants
  • K181021EmboCube Embolization GelatinBiosphere Medical, S.A. · 2018 · 2 generations on1descendant
  • K181051IMPEDE Embolization Plug, 5mm, IMPEDE Embolization Plug, 7mm, IMPEDE Embolization Plug…Shape Memory Medical · 2018 · cites it directly1descendant
  • K171946Gel-BeadVascular Solutions, Inc. · 2017 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K010026Embogold MicrosphereBiosphere Medical, Inc.2001—
−4K023089Gelspheres Embolic AgentBiocure, Inc.2002—
−3K033761Gelspheres / Beadblock Compressible MicrospheresBiocompatibles UK Limited2004—
−2K042231Gelspheres Microspheres and Bead Block Compressible MicrospheresBiocompatibles UK Limited2004—
−1K052742Hepasphere MicrospheresBiosphere Medical, Inc.2006—
0 (this device)K113266Gel-Block Embolization PledgetsVascular Solutions, Inc.2012—
+1K143038Gel-Block 10X embolization pledgetsVascular Solutions, Inc.2014—
+1K133237Gel-Bead Embolization SpheresVascular Solutions, Inc.2014—
+2K181021EmboCube Embolization GelatinBiosphere Medical, S.A.2018—
+1K181051IMPEDE Embolization Plug, 5mm, IMPEDE Embolization Plug, 7mm, IMPEDE…Shape Memory Medical2018—
+2K171946Gel-BeadVascular Solutions, Inc.2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199410
199610
199710
200010
200210
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201420
201710
201830
201920
FIG. 1 — Lineage of K113266, 2001–2019Source: 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

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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.

TypeNumberDeviceApplicantDecidedRecalls
*K991549Embosphere Microspheres
Summary page 1
…Device, vascular, for promoting embolization Classification Name 870.3300; KRD; vascular embolization device; Class 11 Predicate Devices K99 1549: Embosphere Microspheres (BioSphere Medical, Inc.) K052742: QuadraSphere Microspheres (BioSphere…
Biosphere Medical2000—
*K052742Hepasphere Microspheres
Summary page 1
…; KRD; vascular embolization device; Class 11 Predicate Devices K99 1549: Embosphere Microspheres (BioSphere Medical, Inc.) K052742: QuadraSphere Microspheres (BioSphere Medical, Inc.) Device Description The Gel-Bloc…
Biosphere Medical, Inc.2006—

Also cleared against K991549: 6 other devices →

What descends from it? (8)

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

NumberDeviceApplicantDecidedDescendants
K143038Gel-Block 10X embolization pledgetsVascular Solutions, Inc.20142
K133237Gel-Bead Embolization SpheresVascular Solutions, Inc.20142
K181051IMPEDE Embolization Plug, 5mm, IMPEDE Embolization Plug, 7mm, IMPEDE Embolization Plug…Shape Memory Medical20181

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 11 years and passes through 4 companies; a new generation was cleared every 1.5 years on median.
  • None of the 12 ancestors has a recall.
  • Of its descendants, K143038 (Vascular Solutions, Inc., 2014) has gone furthest, with 2 descendants of its own.
  • 6 other devices also cite its predicate K991549.

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. 2012, 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?

The Gel-Block Embolization Pledgets are intended for use in embolization of hypervascularized tumors and arteriovenous malformations (AVMs).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K113266: Gel-Block Embolization Pledgets.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K113266

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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