510(k) Report

510(k) · Cleared

Cleared

Hydrocoil Embolic Systems (Hes)

K071939510(k) TraditionalCleared Jan 11, 2008182-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

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

Cleared on Jan 11, 2008 as substantially equivalent to K983483 (Cordis Neurovascular, Inc., 1999) and 2 other predicates after a 182-day review. Its family tree reaches back 11 generations to 1995. 23 later devices descend from it.

Decided
Jan 11, 2008
Review
182 days
Class
Class II
Product code
KRD
Recalls
None
Predicates
3

Its longest line of descent runs back 11 generations to K951256 (1995). 48 ancestors in all, the oldest K860840 (1986). 23 later devices descend from it, 6 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1999: 1 other ancestor2003: 3 other ancestors1998: 1 other ancestor1997: 2 other ancestors1990: 2 other ancestors2002: 2 other ancestors2000: 4 other ancestors1994: 4 other ancestors1991: 3 other ancestors1989: 1 other ancestor2001: 1 other ancestor1992: 5 other ancestors1996: 2 other ancestors1995: 2 other ancestors1988: 3 other ancestors1986: 1 other ancestor2013: 5 descendants cleared2009: 2 descendants cleared2012: 4 descendants cleared2015: 3 descendants cleared2022: 3 descendants cleared2017: 1 descendant cleared2014: 2 descendants cleared2018: 1 descendant cleared2020: 1 descendant cleared2019: 1 descendant clearedK951256 · Detachable Platinum Coil (Guglielmi Detachable Coil, GDC) · Target Therapeutics · 1995×2: 2 generations cleared close together, K960705 (1996), K962503 (1996) K971395 · Guglielmi Detachable Coil (GDC), Fibered Platinum Coil, .035 Type, Berenstein Liquid Coil, Fibered Platinum Coils, Acce · Target Therapeutics · 1997K991139 · Guglielmi Detachable (GDC) · Boston Scientific, Target · 1999K012145 · Microplex Coil System · MicroVention, Inc. · 2001K020434 · Microplex Coil System (MCS) · MicroVention, Inc. · 2002×2: 2 generations cleared close together, K032590 (2003), K033836 (2003) K041551 · Modification to: Hydrocoil Embolic System (Hes) · MicroVention, Inc. · 2004K050954 · Microplex Coil System (MCS) and Hydrocoil Embolic System (Hes) · MicroVention, Inc. · 2005 · recalled1990200020102020
  1. Root · 11 generations backK951256 Detachable Platinum Coil (Guglielmi Detachable Coil, GDC)Target Therapeutics · 1995
  2. 7 generations between
  3. 3 generations backK033836 Hydrocoil Embolic System (Hes)MicroVention, Inc. · 2003
  4. 2 generations backK041551 Modification to: Hydrocoil Embolic System (Hes)MicroVention, Inc. · 2004
  5. 1 generation backK050954 Microplex Coil System (MCS) and Hydrocoil Embolic System (Hes)MicroVention, Inc. · 2005 · Recalled
  6. This deviceK071939 Hydrocoil Embolic Systems (Hes)MicroVention, Inc. · 2008
  7. Descendant · cites it directly · 12 of its ownK093002 Azur Peripheral Hydrocoil Endovascular Embolization…MicroVention, Inc. · 2009
  8. Descendant · 2 generations on · 10 of its ownK123803 Reverse Medical Micro Vascular Plug (MVP) SystemReverse Medical Corporation · 2013
  9. Descendant · 3 generations on · 6 of its ownK133282 Reverse Medical Micro Vascular Plug (MVP) SystemReverse Medical Corporation · 2013
  10. Descendant · 3 generations on · 5 of its ownK141313 Reverse Medical Micro Vascular Plug SystemReverse Medical Corporation · 2014
  11. Descendant · cites it directly · 5 of its ownK091882 Azur Peripheral Hydrocoil Endovascular Embolization SystemMicroVention, Inc. · 2009
Show all 11 generations
  1. Root · 11 generations backK951256 Detachable Platinum Coil (Guglielmi Detachable Coil, GDC)Target Therapeutics · 1995
  2. 10 generations backK960705 Guglielmi Detachable CoilTarget Therapeutics · 1996
  3. 9 generations backK962503 Guglielmi Detachable CoilTarget Therapeutics · 1996
  4. 8 generations backK971395 Guglielmi Detachable Coil (GDC), Fibered Platinum Coil, .035 Type…Target Therapeutics · 1997
  5. 7 generations backK991139 Guglielmi Detachable (GDC)Boston Scientific, Target · 1999
  6. 6 generations backK012145 Microplex Coil SystemMicroVention, Inc. · 2001
  7. 5 generations backK020434 Microplex Coil System (MCS)MicroVention, Inc. · 2002
  8. 4 generations backK032590 Microplex Coil System (MCS), Hydrocoil Embolic System (Hes)MicroVention, Inc. · 2003
  9. 3 generations backK033836 Hydrocoil Embolic System (Hes)MicroVention, Inc. · 2003
  10. 2 generations backK041551 Modification to: Hydrocoil Embolic System (Hes)MicroVention, Inc. · 2004
  11. 1 generation backK050954 Microplex Coil System (MCS) and Hydrocoil Embolic System (Hes)MicroVention, Inc. · 2005 · Recalled
  12. This deviceK071939 Hydrocoil Embolic Systems (Hes)MicroVention, Inc. · 2008

Showing 5 of 23 descendants. See all descendants

Descendants cleared per year

2009: 22012: 42013: 52014: 22015: 32017: 12018: 12019: 12020: 12022: 3
2009high 5 (2013) · low 0 (2010)2026

Most influential descendants

Showing 5 of 23 · See all
  • K093002Azur Peripheral Hydrocoil Endovascular Embolization System-Detachable 35, Models…MicroVention, Inc. · 2009 · cites it directly12descendants
  • K123803Reverse Medical Micro Vascular Plug (MVP) SystemReverse Medical Corporation · 2013 · 2 generations on10descendants
  • K133282Reverse Medical Micro Vascular Plug (MVP) SystemReverse Medical Corporation · 2013 · 3 generations on6descendants
  • K141313Reverse Medical Micro Vascular Plug SystemReverse Medical Corporation · 2014 · 3 generations on5descendants
  • K091882Azur Peripheral Hydrocoil Endovascular Embolization SystemMicroVention, Inc. · 2009 · cites it directly5descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K951256Detachable Platinum Coil (Guglielmi Detachable Coil, GDC)Target Therapeutics1995—
−10K960705Guglielmi Detachable CoilTarget Therapeutics1996—
−9K962503Guglielmi Detachable CoilTarget Therapeutics1996—
−8K971395Guglielmi Detachable Coil (GDC), Fibered Platinum Coil, .035 Type, Berenstein…Target Therapeutics1997—
−7K991139Guglielmi Detachable (GDC)Boston Scientific, Target1999—
−6K012145Microplex Coil SystemMicroVention, Inc.2001—
−5K020434Microplex Coil System (MCS)MicroVention, Inc.2002—
−4K032590Microplex Coil System (MCS), Hydrocoil Embolic System (Hes)MicroVention, Inc.2003—
−3K033836Hydrocoil Embolic System (Hes)MicroVention, Inc.2003—
−2K041551Modification to: Hydrocoil Embolic System (Hes)MicroVention, Inc.2004—
−1K050954Microplex Coil System (MCS) and Hydrocoil Embolic System (Hes)MicroVention, Inc.200516
0 (this device)K071939Hydrocoil Embolic Systems (Hes)MicroVention, Inc.2008—
+1K093002Azur Peripheral Hydrocoil Endovascular Embolization System-Detachable 35…MicroVention, Inc.2009—
+2K123803Reverse Medical Micro Vascular Plug (MVP) SystemReverse Medical Corporation2013—
+3K133282Reverse Medical Micro Vascular Plug (MVP) SystemReverse Medical Corporation2013—
+3K141313Reverse Medical Micro Vascular Plug SystemReverse Medical Corporation2014—
+1K091882Azur Peripheral Hydrocoil Endovascular Embolization SystemMicroVention, Inc.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
198830
198910
199020
199130
199250
199440
199520
199620
199720
199810
199910
200040
200110
200220
200330

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200920
201240
201350
201420
201530
201710
201810
201910
202010
202230
FIG. 1 — Lineage of K071939, 1995–2022Source: 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
Get a 510(k) Report

What was it cleared against? (3)

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
*K983483Vascular Occlusion System
Summary page 2
…35) coils is substantially equivalent to the Cordis Vascular Occlusion System that was determined to be substantially equivalent on March 24, 1999 (reference K983483), the MicroVention MicroPlex®Coil System (MCS) and Hydr6Coilr Embolic System (HES) with a Modified Detachment System…
Cordis Neurovascular, Inc.1999—
*K050954Microplex Coil System (MCS) and Hydrocoil Embolic System (Hes)
Summary page 2
…em (MCS) and Hydr6Coilr Embolic System (HES) with a Modified Detachment System that was determined to be substantially equivalent on June 28, 2005 (reference K050954) and the MicroVention MicroPlex®Coil System (MCS) and HydroCoil® Embolic System (HES) with the HES-HC-R (18) and HVO-HC-R (…
MicroVention, Inc.200516
*K032590Microplex Coil System (MCS), Hydrocoil Embolic System (Hes)
Summary page 2
…roCoil® Embolic System (HES) with the HES-HC-R (18) and HVO-HC-R (18) Coils that was determined to be substantially equivalent on October 22, 2003 (reference K032590).. (7) Technological Characteristics and Substantial Equivalence The HydroCoilo Embolic System (HES) with the HES-HC-PP…
MicroVention, Inc.2003—

Also cleared against K983483: 3 other devices →

What descends from it? (23)

See all 23

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

NumberDeviceApplicantDecidedDescendants
K093002Azur Peripheral Hydrocoil Endovascular Embolization System-Detachable 35, Models…MicroVention, Inc.200912
K091882Azur Peripheral Hydrocoil Endovascular Embolization SystemMicroVention, Inc.20095
K120630Azur Detachable 18MicroVention, Inc.20124
K123384Azur CX Detachable 18MicroVention, Inc.20123
K122543Azur Pure Peripheral Coil System, Pushable 18 Azur Pure Peripheral Coil System, Pushable…MicroVention, Inc.20122
K130577Azur Pushable 18 & 35 SystemMicroVention, Inc.20131

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 13 years and passes through 3 companies; a new generation was cleared every 10 months on median.
  • 8 of the 48 ancestors have a recall of any class.
  • Of its descendants, K093002 (MicroVention, Inc., 2009) has gone furthest, with 12 descendants of its own.
  • 3 other devices also cite its predicate K983483.

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?

The HydroCoil® Embolic System (HES) with the HES-HC-PP (18) and HES-HC-PP (35) coils is intended to reduce or block the rate of blood flow in vessels of the peripheral vasculature. It is intended for the interventional radiologic management of arteriovenous malformations, arteriovenous fistulae, aneurysms and other lesions of the peripheral vasculature.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K071939: Hydrocoil Embolic Systems (Hes).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K071939

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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