510(k) Report

510(k) · Cleared

Cleared

Micrus Modified Microcoil System, Cerecyte

K033813510(k) TraditionalCleared Feb 4, 200457-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

Micrus Corp. · HCG Device, Neurovascular Embolization

Cleared on Feb 4, 2004 as substantially equivalent to K022420 (Micrus Corp., 2002) and 1 other predicate after a 57-day review. Its family tree reaches back 6 generations to 1995. 1 of the 67 devices in its family, counting itself, has a Class I recall. 40 later devices descend from it.

Decided
Feb 4, 2004
Review
57 days
Class
Class II
Product code
HCG
Recalls
None
Predicates
2

Its longest line of descent runs back 6 generations to K951256 (1995). 26 ancestors in all, the oldest K860840 (1986). 40 later devices descend from it, 4 citing it directly. 1 of the 67 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2001: 1 other ancestor1994: 2 other ancestors1997: 1 other ancestor1996: 2 other ancestors1995: 2 other ancestors1992: 5 other ancestors1991: 2 other ancestors1989: 1 other ancestor1988: 3 other ancestors1986: 1 other ancestor2007: 2 descendants cleared2008: 4 descendants cleared2005: 1 descendant cleared2006: 1 descendant cleared2014: 4 descendants cleared2012: 2 descendants cleared2009: 2 descendants cleared2015: 4 descendants cleared2013: 2 descendants cleared2017: 3 descendants cleared2021: 3 descendants cleared2022: 3 descendants cleared, 1 with a Class I recall12018: 3 descendants cleared2026: 3 descendants cleared2020: 1 descendant cleared2023: 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 · 1997K993415 · GDC-10 Stretch Resistant Guglielmi Detachable Coil, GDC-10 2-Diameter Stretch Resistant Guglielmi Detachable Coil, GDC-1 · Boston Scientific, Target · 2000K022420 · Micrus Stretch-Resistant Microcoil System, MSR01 · Micrus Corp. · 20021990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor3 generations back: 1 other ancestor4 generations back: 17 other ancestors5 generations back: 1 other ancestor 1 generation forward: 4 descendants2 generations forward: 7 descendants3 generations forward: 2 descendants4 generations forward: 9 descendants, 1 with a Class I recall15 generations forward: 9 descendants6 generations forward: 6 descendants7 generations forward: 3 descendants K022420 · Micrus Stretch-Resistant Microcoil System, MSR01 · Micrus Corp. · 2002K993415 · GDC-10 Stretch Resistant Guglielmi Detachable Coil, GDC-10 2-Diameter Stretch Resistant Guglielmi Detachable Coil, GDC-1 · Boston Scientific, Target · 2000K971395 · Guglielmi Detachable Coil (GDC), Fibered Platinum Coil, .035 Type, Berenstein Liquid Coil, Fibered Platinum Coils, Acce · Target Therapeutics · 1997K962503 · Guglielmi Detachable Coil · Target Therapeutics · 1996K960705 · Guglielmi Detachable Coil · Target Therapeutics · 1996K951256 · Detachable Platinum Coil (Guglielmi Detachable Coil, GDC) · Target Therapeutics · 1995−50+5
  1. Root · 6 generations backK951256 Detachable Platinum Coil (Guglielmi Detachable Coil, GDC)Target Therapeutics · 1995
  2. 5 generations backK960705 Guglielmi Detachable CoilTarget Therapeutics · 1996
  3. 4 generations backK962503 Guglielmi Detachable CoilTarget Therapeutics · 1996
  4. 3 generations backK971395 Guglielmi Detachable Coil (GDC), Fibered Platinum Coil, .035 Type…Target Therapeutics · 1997
  5. 2 generations backK993415 GDC-10 Stretch Resistant Guglielmi Detachable Coil, GDC-10…Boston Scientific, Target · 2000
  6. 1 generation backK022420 Micrus Stretch-Resistant Microcoil System, MSR01Micrus Corp. · 2002
  7. This deviceK033813 Micrus Modified Microcoil System, CerecyteMicrus Corp. · 2004
  8. Descendant · cites it directly · 35 of its ownK053160 Micrus Modified Microcoil 18-System, Cerecyte, Model CSP & CheMicrus Endovascular Corporation · 2005
  9. Descendant · 2 generations on · 34 of its ownK062036 Micrus Microcoil System Presidio-18, Model PC4Micrus Endovascular Corporation · 2006 · Recalled
  10. Descendant · cites it directly · 32 of its ownK070707 Micrus Microcoil SystemMicrus Endovascular Corporation · 2007
  11. Descendant · 2 generations on · 31 of its ownK073442 Micrus Microcoil SystemsMicrus Endovascular Corporation · 2008
  12. Descendant · 3 generations on · 22 of its ownK081465 Axium Detachable Coil SystemMicro Therapeutics, Inc. · 2008 · Recalled

Showing 5 of 40 descendants. See all descendants

Descendants cleared per year

2005: 12006: 12007: 22008: 42009: 22012: 22013: 22014: 42015: 42017: 32018: 32019: 12020: 12021: 32022: 32023: 12026: 3
2005high 4 (2008) · low 0 (2010)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 40 · See all
  • K053160Micrus Modified Microcoil 18-System, Cerecyte, Model CSP & CheMicrus Endovascular Corporation · 2005 · cites it directly35descendants
  • K062036Micrus Microcoil System Presidio-18, Model PC4Micrus Endovascular Corporation · 2006 · 2 generations on34descendants
  • K070707Micrus Microcoil SystemMicrus Endovascular Corporation · 2007 · cites it directly32descendants
  • K073442Micrus Microcoil SystemsMicrus Endovascular Corporation · 2008 · 2 generations on31descendants
  • K081465Axium Detachable Coil SystemMicro Therapeutics, Inc. · 2008 · 3 generations on22descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K951256Detachable Platinum Coil (Guglielmi Detachable Coil, GDC)Target Therapeutics1995—
−5K960705Guglielmi Detachable CoilTarget Therapeutics1996—
−4K962503Guglielmi Detachable CoilTarget Therapeutics1996—
−3K971395Guglielmi Detachable Coil (GDC), Fibered Platinum Coil, .035 Type, Berenstein…Target Therapeutics1997—
−2K993415GDC-10 Stretch Resistant Guglielmi Detachable Coil, GDC-10 2-Diameter Stretch…Boston Scientific, Target2000—
−1K022420Micrus Stretch-Resistant Microcoil System, MSR01Micrus Corp.2002—
0 (this device)K033813Micrus Modified Microcoil System, CerecyteMicrus Corp.2004—
+1K053160Micrus Modified Microcoil 18-System, Cerecyte, Model CSP & CheMicrus Endovascular Corporation2005—
+2K062036Micrus Microcoil System Presidio-18, Model PC4Micrus Endovascular Corporation20061
+1K070707Micrus Microcoil SystemMicrus Endovascular Corporation2007—
+2K073442Micrus Microcoil SystemsMicrus Endovascular Corporation2008—
+3K081465Axium Detachable Coil SystemMicro Therapeutics, Inc.20082

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
198830
198910
199120
199250
199420
199520
199620
199710
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200610
200720
200840
200920
201220
201320
201440
201540
201730
201830
201910
202010
202130
202231
202310
202630
FIG. 1 — Lineage of K033813, 1995–2026Source: 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.

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 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
  3. #3 Held for the reportin the report
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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
*K022420Micrus Stretch-Resistant Microcoil System, MSR01
Summary page 1
…“Cerecyte” Device, Artificial Embolization Regulation Number: 882.5950 Product Code: HCG Device Class: 1| C. Predicate Device(s) Number Description Clearance Date K022420 Micrus Stretch Resistant MicroCaoil System 10/22/02 K002056 Micrus MicroCoil Delivery System 01/11/01 D. Device Description Th…
Micrus Corp.2002—
*K002056Micrus Microcoil Delivery System, MDS03
Summary page 1
…r: 882.5950 Product Code: HCG Device Class: 1| C. Predicate Device(s) Number Description Clearance Date K022420 Micrus Stretch Resistant MicroCaoil System 10/22/02 K002056 Micrus MicroCoil Delivery System 01/11/01 D. Device Description The Micrus Modified MicroCoil System consists of an embolic coi…
Micrus Corp.2001—

Also cleared against K022420: 3 other devices →

What descends from it? (40)

See all 40

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

NumberDeviceApplicantDecidedDescendants
K053160Micrus Modified Microcoil 18-System, Cerecyte, Model CSP & CheMicrus Endovascular Corporation200535
K070707Micrus Microcoil SystemMicrus Endovascular Corporation200732
K080437Micrus Microcoil System, Deltapaq 10 Cerecyte, Model CDFMicrus Endovascular Corporation200810
K072173Micrus Microcoil System Cashmere-Cerecyte, Model CRC; Cashmere-SR, Model SRCMicrus Endovascular Corporation20079

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

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K220040CEREPAK Uniform, Uniform XL, Uniform 3D, Heliform Soft, Heliform XtraSoft, Heliform XL, Heliform XtraSoft…Medos International SARL · 2022 · 4 generations on · ◆ in the 2022 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 9 years and passes through 3 companies; a new generation was cleared every 1.3 years on median.
  • 2 of the 26 ancestors have a recall of any class.
  • Of its descendants, K053160 (Micrus Endovascular Corporation, 2005) has gone furthest, with 35 descendants of its own.
  • 3 other devices also cite its predicate K022420.

How does its category compare?

All HCG devices

HCG Device, Neurovascular Embolization: FDA decisions, review times, recalls and adverse event reports over 20 years.

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?

The Micrus MicroCoil Delivery System is intended for endovascular embolization of intracranial aneurysms.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K033813: Micrus Modified Microcoil System, Cerecyte.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K033813

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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