510(k) · Cleared
ClearedOBS Anchorage Screw
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Bomei Co, Ltd. · OAT Implant, Endosseous, Orthodontic
Cleared on Feb 9, 2016 as substantially equivalent to K090476 (Syntec Scientific Corp., 2009) after a 180-day review. Its family tree reaches back 9 generations to 1990. 1 later device descends from it.
- Decided
- Feb 9, 2016
- Review
- 180 days
- Class
- Class II
- Product code
- OAT
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 9 generations to K894844 (1990). 21 ancestors in all. 1 later device descends from it, 1 citing it directly.
- Root · 9 generations backK894844 Bonefit Implant System Accessories & InstrumentsStraumann Institute, Ltd. · 1990
- 5 generations between
- 3 generations backK060126 Absoanchor MicroimplantDentos, Inc. · 2006
- 2 generations backK071490 Leone Orthodontic Mini ImplantLeone S.P.A. · 2008
- 1 generation backK090476 Syntec Orthodontic Mini ScrewSyntec Scientific Corp. · 2009
- This deviceK152297 OBS Anchorage ScrewBomei Co, Ltd. · 2016
- Descendant · cites it directly · 0 of its ownK202278 OBS Anchorage Screw, Biokey Anchorage ScrewBomei Co, Ltd. · 2021
Show all 9 generations
- Root · 9 generations backK894844 Bonefit Implant System Accessories & InstrumentsStraumann Institute, Ltd. · 1990
- 8 generations backK973353 Bonding BaseStraumann USA · 1997
- 7 generations backK982509 Ortho Implant and AccessoriesStraumann USA · 1998
- 6 generations backK031936 Osteomed Orthodontic Screw SystemOsteomed LP · 2004
- 5 generations backK033767 Dual Top Anchor System ScrewsJeil Medical Corporation · 2004
- 4 generations backK042965 Tomas PinDentaurum, Inc. · 2005
- 3 generations backK060126 Absoanchor MicroimplantDentos, Inc. · 2006
- 2 generations backK071490 Leone Orthodontic Mini ImplantLeone S.P.A. · 2008
- 1 generation backK090476 Syntec Orthodontic Mini ScrewSyntec Scientific Corp. · 2009
- This deviceK152297 OBS Anchorage ScrewBomei Co, Ltd. · 2016
Most influential descendants
Showing 1 of 1 · See all- K202278OBS Anchorage Screw, Biokey Anchorage ScrewBomei Co, Ltd. · 2021 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K894844 | Bonefit Implant System Accessories & Instruments | Straumann Institute, Ltd. | 1990 | — |
| −8 | K973353 | Bonding Base | Straumann USA | 1997 | — |
| −7 | K982509 | Ortho Implant and Accessories | Straumann USA | 1998 | — |
| −6 | K031936 | Osteomed Orthodontic Screw System | Osteomed LP | 2004 | — |
| −5 | K033767 | Dual Top Anchor System Screws | Jeil Medical Corporation | 2004 | — |
| −4 | K042965 | Tomas Pin | Dentaurum, Inc. | 2005 | — |
| −3 | K060126 | Absoanchor Microimplant | Dentos, Inc. | 2006 | — |
| −2 | K071490 | Leone Orthodontic Mini Implant | Leone S.P.A. | 2008 | — |
| −1 | K090476 | Syntec Orthodontic Mini Screw | Syntec Scientific Corp. | 2009 | — |
| 0 (this device) | K152297 | OBS Anchorage Screw | Bomei Co, Ltd. | 2016 | — |
| +1 | K202278 | OBS Anchorage Screw, Biokey Anchorage Screw | Bomei Co, Ltd. | 2021 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 2000 | 1 | 0 |
| 2004 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2021 | 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 OAT? 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 OAT device
- #1 K260268 OrthoEasy Pal; OrthoEasy Pal Long Neckscore 13.2 · 7 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K090476 | Syntec Orthodontic Mini ScrewSummary page 4…assification Name: Endosseous dental implant (21 CFR 872.3640) Regulatory Class: II Product Code: OAT III. Predicate Device K090476(Primary Predicate), Syntec Orthodontic Mini Screws , Syntec Scientific Corporation K142001(Reference Pr… | 2009 |
| † | K142001 | Syntec Wetali Orthodontic Mini Screws | 2015 |
| † | K060126 | Absoanchor Microimplant | 2006 |
| † | K071490 | Leone Orthodontic Mini Implant | 2008 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K202278 | OBS Anchorage Screw, Biokey Anchorage Screw | 2021 | 0 |
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 26 years and passes through 9 companies; a new generation was cleared every 1.3 years on median.
- None of the 21 ancestors has a recall.
- Of its descendants, K202278 (Bomei Co, Ltd., 2021) has gone furthest, with 0 descendants of its own.
- 5 other devices also cite its predicate K090476.
How does its category compare?
All OAT devicesOAT Implant, Endosseous, Orthodontic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.
FDA decisions per year · OAT
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · OAT
224in 2021
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · OAT
2in 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · OAT
5in 2025
MAUDE reports naming product code OAT, 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 | 6 | 104 | 2 | 2 |
| 2008 | 3 | 94 | 0 | 0 |
| 2009 | 2 | — | 0 | 0 |
| 2010 | 2 | — | 0 | 1 |
| 2011 | 5 | 152 | 0 | 0 |
| 2012 | 1 | — | 0 | 3 |
| 2013 | 2 | — | 0 | 2 |
| 2014 | 1 | — | 0 | 4 |
| 2015 | 1 | — | 0 | 28 |
| 2016 | 2 | — | 0 | 12 |
| 2017 | 1 | — | 0 | 0 |
| 2018 | 1 | — | 0 | 1 |
| 2019 | 2 | — | 0 | 0 |
| 2020 | 3 | 289 | 0 | 38 |
| 2021 | 4 | 224 | 0 | 68 |
| 2022 | 2 | — | 0 | 84 |
| 2023 | 1 | — | 0 | 78 |
| 2024 | 2 | — | 0 | 9 |
| 2025 | 1 | — | 0 | 5 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
Temporary anchorage screws are intended to provide a fixed anchorage point for attachment of orthodontic appliances to facilitate the orthodontic movement of the teeth.
It is used temporarily and is removed after orthodontic treatment has been completed.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K152297 · printed Nov 4, 2026
Cite this page
510(k) Report. “K152297: OBS Anchorage Screw.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K152297
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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