510(k) · Cleared
ClearedHigh-speed air turbine handpiece / Low-speed air turbine handpiece
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Foshan Wenjian Medical Instrument Co., Ltd. · EFB Handpiece, Air-Powered, Dental
Cleared on May 26, 2020 as substantially equivalent to K170229 (Guangdong Jinme Medical Technology Co., Ltd., 2017) and 1 other predicate after a 699-day review. Its family tree reaches back 9 generations to 1995. 2 later devices descend from it.
- Decided
- May 26, 2020
- Review
- 699 days
- Class
- Class I
- Product code
- EFB
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 9 generations to K935676 (1995). 33 ancestors in all, the oldest K760794 (1976). 2 later devices descend from it, 1 citing it directly.
- Root · 9 generations backK935676 Micro RSH High Speed HandpieceMicro Motors, Inc. · 1995
- 5 generations between
- 3 generations backK130455 430 SWL 45 and 430 SW 45 High-Speed HandpiecesDentalez Group, Stardental Division · 2013
- 2 generations backK152146 High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd. · 2015
- 1 generation backK170229 Dental High-speed Turbine HandpieceGuangdong Jinme Medical Technology Co., Ltd. · 2017
- This deviceK181691 High-speed air turbine handpiece / Low-speed air turbine handpieceFoshan Wenjian Medical Instrument Co., Ltd. · 2020
- Descendant · cites it directly · 1 of its ownK220179 High-Speed Air Turbine Handpieces/Straight Handpieces/Geared Angle…Foshan Coxo Medical Instrument Co., Ltd. · 2023
- Descendant · 2 generations on · 0 of its ownK241074 High-speed Air Turbine Handpieces (SCHG01, SCHG03, SCHG18, SCHF19…Foshan Soco Precision Instrument Co., Ltd. · 2024
Show all 9 generations
- Root · 9 generations backK935676 Micro RSH High Speed HandpieceMicro Motors, Inc. · 1995
- 8 generations backK033213 Codent Dental Air-Powered Handpiece, Model HPSCodent Technical Industry Co., Ltd. · 2004
- 7 generations backK052822 Dental Air-Powered Handpiece, Models Tiger 100, 101, 200, 201 and 202Thunder Tiger Corp. · 2006
- 6 generations backK062740 Jindell High Spped Air Turbine Handpiece, Models SW, SP, SU, Etu, MUJindell Medical Instruments Co., Ltd. · 2006
- 5 generations backK101717 Dental Handpieces, Models: Karam STD/Mini; Breeze STD/Mini: Karam…Aerobine, Inc. · 2010
- 4 generations backK112024 TI-Max X450Nakanishi, Inc. · 2012
- 3 generations backK130455 430 SWL 45 and 430 SW 45 High-Speed HandpiecesDentalez Group, Stardental Division · 2013
- 2 generations backK152146 High Speed Handpieces and AccessoriesCodent Technical Industry Co., Ltd. · 2015
- 1 generation backK170229 Dental High-speed Turbine HandpieceGuangdong Jinme Medical Technology Co., Ltd. · 2017
- This deviceK181691 High-speed air turbine handpiece / Low-speed air turbine handpieceFoshan Wenjian Medical Instrument Co., Ltd. · 2020
Most influential descendants
Showing 2 of 2 · See all- K220179High-Speed Air Turbine Handpieces/Straight Handpieces/Geared Angle Handpieces/Air MotorsFoshan Coxo Medical Instrument Co., Ltd. · 2023 · cites it directly1descendant
- K241074High-speed Air Turbine Handpieces (SCHG01, SCHG03, SCHG18, SCHF19, SCHF22), Dental Low…Foshan Soco Precision Instrument Co., Ltd. · 2024 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K935676 | Micro RSH High Speed Handpiece | Micro Motors, Inc. | 1995 | — |
| −8 | K033213 | Codent Dental Air-Powered Handpiece, Model HPS | Codent Technical Industry Co., Ltd. | 2004 | — |
| −7 | K052822 | Dental Air-Powered Handpiece, Models Tiger 100, 101, 200, 201 and 202 | Thunder Tiger Corp. | 2006 | — |
| −6 | K062740 | Jindell High Spped Air Turbine Handpiece, Models SW, SP, SU, Etu, MU | Jindell Medical Instruments Co., Ltd. | 2006 | — |
| −5 | K101717 | Dental Handpieces, Models: Karam STD/Mini; Breeze STD/Mini: Karam 45; Dexor… | Aerobine, Inc. | 2010 | — |
| −4 | K112024 | TI-Max X450 | Nakanishi, Inc. | 2012 | — |
| −3 | K130455 | 430 SWL 45 and 430 SW 45 High-Speed Handpieces | Dentalez Group, Stardental Division | 2013 | — |
| −2 | K152146 | High Speed Handpieces and Accessories | Codent Technical Industry Co., Ltd. | 2015 | — |
| −1 | K170229 | Dental High-speed Turbine Handpiece | Guangdong Jinme Medical Technology Co., Ltd. | 2017 | — |
| 0 (this device) | K181691 | High-speed air turbine handpiece / Low-speed air turbine handpiece | Foshan Wenjian Medical Instrument Co., Ltd. | 2020 | — |
| +1 | K220179 | High-Speed Air Turbine Handpieces/Straight Handpieces/Geared Angle… | Foshan Coxo Medical Instrument Co., Ltd. | 2023 | — |
| +2 | K241074 | High-speed Air Turbine Handpieces (SCHG01, SCHG03, SCHG18, SCHF19, SCHF22)… | Foshan Soco Precision Instrument Co., Ltd. | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1976 | 1 | 0 |
| 1978 | 1 | 0 |
| 1986 | 1 | 0 |
| 1991 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 2001 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2011 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2017 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 1 | 0 |
| 2024 | 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 EFB? 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 EFB device
- #1 K262144 DIAMED Handpiece;DIAMED Airmotor;DIAMED…score 13.3 · 5 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K170229 | Dental High-speed Turbine HandpieceSummary page 4…and Accessories Review Panel: Dental Product Code: EFB, EGS Regulation Class: 1 Regulation Number: 21 CFR 872.4200 3. Predicate Device Information: Primary Predicate: (K170229) Company Name: Guangdong JINME Medical Technology Co., Ltd. Common Name: Dental Handpiece and Accessories Trade Name: Dental High… | 2017 |
| * | K170236 | Dental Low-speed Turbine HandpieceSummary page 4…logy Co., Ltd. Common Name: Dental Handpiece and Accessories Trade Name: Dental High-speed Turbine Handpiece Product Code: EFB Regulation Class: 1 Reference Device 1: (K170236) Reported by Foshan Wenjian Medical Instrument Co., Ltd. Page 1 of 8 Company… | 2017 |
| † | K141886 | MDK Handpieces | 2015 |
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 |
|---|---|---|---|
| K220179 | High-Speed Air Turbine Handpieces/Straight Handpieces/Geared Angle Handpieces/Air Motors | 2023 | 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 25 years and passes through 9 companies; a new generation was cleared every 2.0 years on median.
- 1 of the 33 ancestors has a recall of any class.
- Of its descendants, K220179 (Foshan Coxo Medical Instrument Co., Ltd., 2023) has gone furthest, with 1 descendant of its own.
- 1 other device also cites its predicate K170229.
How does its category compare?
All EFB devicesEFB Handpiece, Air-Powered, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · EFB
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · EFB
209in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EFB
No recall names EFB since 2007.
Adverse event reports per year · EFB
83in 2025
MAUDE reports naming product code EFB, 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 | 12 | 61 | 0 | 13 |
| 2008 | 7 | 97 | 0 | 19 |
| 2009 | 11 | 120 | 0 | 40 |
| 2010 | 8 | 116 | 0 | 78 |
| 2011 | 4 | 168 | 0 | 96 |
| 2012 | 8 | 130 | 0 | 97 |
| 2013 | 3 | 207 | 0 | 61 |
| 2014 | 7 | 200 | 0 | 73 |
| 2015 | 7 | 296 | 0 | 87 |
| 2016 | 3 | 205 | 0 | 122 |
| 2017 | 7 | 246 | 0 | 153 |
| 2018 | 3 | 210 | 0 | 81 |
| 2019 | 3 | 348 | 0 | 117 |
| 2020 | 5 | 259 | 0 | 94 |
| 2021 | 2 | — | 0 | 123 |
| 2022 | 5 | 430 | 0 | 157 |
| 2023 | 4 | 158 | 0 | 116 |
| 2024 | 5 | 209 | 0 | 104 |
| 2025 | 1 | — | 0 | 83 |
| 2026 | 4 | 252 | 0 | — |
What is it indicated for?
Dental High-speed Turbine Handpiece (WJ-114, WJ-112, WJ-124, W] -122, WJ-134, W] -132, W] -144, W] -142, W] -154, W1 -152, W1 -164, W] -162) is intended for removing carious material, excess filling material, cavity and crown preparation, finishing tooth preparations and restorations, root canal preparations and polishing teeth.
Dental Low-speed Turbine Handpiece (WJ-414, WJ-412, WJ]-424, WJ]-422) is intended for removing carious material, excess filling material, cavity and crown preparation, finishing tooth preparations and restorations, root canal preparations and polishing teeth.
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/K181691 · printed Nov 5, 2026
Cite this page
510(k) Report. “K181691: High-speed air turbine handpiece / Low-speed air turbine handpiece.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K181691
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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