510(k) · Cleared
ClearedContour Embolization Particles, Models M0017600121, M0017600221, M0017600321
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Boston Scientific Corporation · NAJ Agents, Embolic, For Treatment Of Uterine Fibroids
Cleared on Apr 16, 2010 as substantially equivalent to K030966 (Boston Scientific Corp, 2003) after a 39-day review. Its family tree reaches back 5 generations to 1996. 2 later devices descend from it.
- Decided
- Apr 16, 2010
- Review
- 39 days
- Class
- Class II
- Product code
- NAJ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K961923 (1996). 8 ancestors in all, the oldest K871047 (1987). 2 later devices descend from it, 1 citing it directly.
- Root · 5 generations backK961923 Berenstein CoilTarget Therapeutics · 1996
- 4 generations backK964112 Berenstein CoilTarget Therapeutics · 1997
- 3 generations backK991549 Embosphere MicrospheresBiosphere Medical · 2000
- 2 generations backK021397 Embosphere Microspheres and Embogold Microspheres for Use in Uterine…Biosphere Medical, Inc. · 2002
- 1 generation backK030966 Contour Emboli Pva and Fastracker-325 Infusion CatheterBoston Scientific Corp · 2003 · Recalled
- This deviceK100663 Contour Embolization Particles, Models M0017600121, M0017600221…Boston Scientific Corporation · 2010
- Descendant · cites it directly · 1 of its ownK130259 Bearing Nspva Embolization ParticlesMerit Medical Systems, Inc. · 2013
- Descendant · 2 generations on · 0 of its ownK233813 Bearing nsPVA Express™Merit Medical Systems, Inc. · 2023
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K961923 | Berenstein Coil | Target Therapeutics | 1996 | — |
| −4 | K964112 | Berenstein Coil | Target Therapeutics | 1997 | — |
| −3 | K991549 | Embosphere Microspheres | Biosphere Medical | 2000 | — |
| −2 | K021397 | Embosphere Microspheres and Embogold Microspheres for Use in Uterine Fibroid… | Biosphere Medical, Inc. | 2002 | — |
| −1 | K030966 | Contour Emboli Pva and Fastracker-325 Infusion Catheter | Boston Scientific Corp | 2003 | 1 |
| 0 (this device) | K100663 | Contour Embolization Particles, Models M0017600121, M0017600221, M0017600321 | Boston Scientific Corporation | 2010 | — |
| +1 | K130259 | Bearing Nspva Embolization Particles | Merit Medical Systems, Inc. | 2013 | — |
| +2 | K233813 | Bearing nsPVA Express™ | Merit Medical Systems, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1994 | 1 | 0 |
| 2001 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2013 | 1 | 0 |
| 2023 | 1 | 0 |
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 NAJ? 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 NAJ device
- #1 K233813 Bearing nsPVA Express™score 8.3 · 7 generations · no Class I recall
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K030966 | Contour Emboli Pva and Fastracker-325 Infusion CatheterSummary page 1…Contour Embolization Particles Product Code NAJ Classification of Class II, 21 CFR Part 870.3300 Device Predicate Device CotuTm K030966 September 23, 2003 Embolization Particles Device Contour Embolization Particles are ar… | 2003 |
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K130259 | Bearing Nspva Embolization Particles | 2013 | 1 |
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 14 years and passes through 5 companies; a new generation was cleared every 2.6 years on median.
- 1 of the 8 ancestors has a recall of any class.
- Of its descendants, K130259 (Merit Medical Systems, Inc., 2013) has gone furthest, with 1 descendant of its own.
- 5 other devices also cite its predicate K030966.
How does its category compare?
All NAJ devicesNAJ Agents, Embolic, For Treatment Of Uterine Fibroids: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.
FDA decisions per year · NAJ
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · NAJ
Too few NAJ 510(k)s in any year since 2007 to give a median.
Recalls per year · NAJ
1in 2009
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NAJ
3in 2025
MAUDE reports naming product code NAJ, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 46 |
| 2008 | 1 | — | 0 | 23 |
| 2009 | 0 | — | 1 | 11 |
| 2010 | 1 | — | 0 | 24 |
| 2011 | 0 | — | 0 | 16 |
| 2012 | 0 | — | 0 | 21 |
| 2013 | 1 | — | 0 | 9 |
| 2014 | 1 | — | 0 | 15 |
| 2015 | 0 | — | 0 | 16 |
| 2016 | 0 | — | 0 | 14 |
| 2017 | 0 | — | 0 | 11 |
| 2018 | 1 | — | 0 | 7 |
| 2019 | 0 | — | 0 | 4 |
| 2020 | 0 | — | 0 | 1 |
| 2021 | 0 | — | 0 | 4 |
| 2022 | 0 | — | 0 | 20 |
| 2023 | 1 | — | 0 | 3 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 3 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Contour Embolization' Particles are used for the embolization of peripheral hypervascular tumors, including lciomyoma uteri and peripheral arteriovenous malformations (AVMs). Do not use patticles smaller than 355 microns for the treatment of leiomyoma uteri.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K100663 · printed Nov 6, 2026
Cite this page
510(k) Report. “K100663: Contour Embolization Particles, Models M0017600121, M0017600221, M0017600321.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K100663
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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