510(k) Report

510(k) · Cleared

Recalled · Class I · 2024

GEM

K213385510(k) TraditionalCleared Jul 1, 2022261-day reviewClass II21 CFR 870.3300Recalls 1 (1 Class I)

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

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

Cleared on Jul 1, 2022 as substantially equivalent to K183120 (Biosphere Medical, S.A., 2019) after a 261-day review. Its family tree reaches back 6 generations to 1996. 1 of the 13 devices in its family, counting itself, has a Class I recall. 3 later devices descend from it. It has been recalled once, including a Class I recall.

Decided
Jul 1, 2022
Review
261 days
Class
Class II
Product code
KRD
Recalls
1 (1 Class I)
Predicates
1

Its longest line of descent runs back 6 generations to K961923 (1996). 9 ancestors in all, the oldest K871047 (1987). 3 later devices descend from it, 1 citing it directly. 1 of the 13 devices in this family, counting this one, has a Class I recall.

  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 backK181300 Embosphere MicrospheresBiosphere Medical, S.A. · 2018 · Recalled
  6. 1 generation backK183120 EmboCube Embolization GelatinBiosphere Medical, S.A. · 2019
  7. This deviceK213385 GEMObsidio, Inc. · 2022
  8. Descendant · cites it directly · 2 of its ownK242507 OBSIDIO™ Conformable EmbolicBoston Scientific · 2024
  9. Descendant · 2 generations on · 0 of its ownK261488 OBSIDIO Conformable EmbolicBoston Scientific Corporation · 2026
  10. Descendant · 2 generations on · 0 of its ownK253376 OBSIDIO™ Conformable Embolic (M0013972101010)Boston Scientific Corporation · 2025

Most influential descendants

Showing 3 of 3 · See all
  • K242507OBSIDIO™ Conformable EmbolicBoston Scientific · 2024 · cites it directly2descendants
  • K261488OBSIDIO Conformable EmbolicBoston Scientific Corporation · 2026 · 2 generations on0descendants
  • K253376OBSIDIO™ Conformable Embolic (M0013972101010)Boston Scientific Corporation · 2025 · 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—
−2K181300Embosphere MicrospheresBiosphere Medical, S.A.20181
−1K183120EmboCube Embolization GelatinBiosphere Medical, S.A.2019—
0 (this device)K213385GEMObsidio, Inc.2022—
+1K242507OBSIDIO™ Conformable EmbolicBoston Scientific2024—
+2K261488OBSIDIO Conformable EmbolicBoston Scientific Corporation2026—
+2K253376OBSIDIO™ Conformable Embolic (M0013972101010)Boston Scientific Corporation2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199410
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
202510
202610
FIG. 1 — Lineage of K213385, 1996–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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.

1 device in this family has a Class I recall. 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
Get a 510(k) Report

What was it cleared against? (1)

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
*K183120EmboCube Embolization Gelatin
Summary page 4
…e Vascular Embolization Device Classification Name Device, Vascular, For Promoting Embolization Predicate Devices Biosphere Medical, S.A. EmboCube™ Embolization Gelatin (K183120) Intended Use / Indications for Use Obsidio GEMTM is indicated for use in the embolization of: • Hypervascular tumors •…
Biosphere Medical, S.A.2019—

Also cleared against K183120: 2 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K242507OBSIDIO™ Conformable EmbolicBoston Scientific20242

Has anything in its family been recalled? (1 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Feb 20, 2024Class IZ-1374-2024Under Investigation by firmAn investigation determined that delivery of the Obsidio embolic using the aliquot technique for lower gastrointestinal bleeding embolization poses a high risk of bowel ischemia. The most serious and the most common adverse health…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 26 years and passes through 5 companies; a new generation was cleared every 2.9 years on median.
  • 1 of the 9 ancestors has a recall of any class.
  • Of its descendants, K242507 (Boston Scientific, 2024) has gone furthest, with 2 descendants of its own.
  • 2 other devices also cite its predicate K183120.

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. 2022, 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?

Obsidio GEM™ is indicated for use in the embolization of:

• Hypervascular tumors,

• Blood vessels to occlude blood flow for controlling bleeding/hemorrhaging in the peripheral vasculature.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K213385: GEM.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K213385

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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