510(k) · Cleared
ClearedElectrical Scooter, WT-T4QP2
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Wu’S Tech Co., Ltd. · INI Vehicle, Motorized 3-Wheeled
Cleared on Mar 28, 2023 as substantially equivalent to K191356 (Puc Perfect Union Co., Ltd., 2022) after a 201-day review. Its family tree reaches back 5 generations to 2003. 1 later device descends from it.
- Decided
- Mar 28, 2023
- Review
- 201 days
- Class
- Class II
- Product code
- INI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K032488 (2003). 1 later device descends from it, 1 citing it directly.
- Root · 5 generations backK032488 Wu's 3-Wheeled Neo Scooter, WT-T3DWu'S Tech Co., Ltd. · 2003
- 4 generations backK071007 Heartway Lightweight Power Mobility Scooter, S33Heartway Medical Products Co., Ltd. · 2007
- 3 generations backK101142 Heartway Lightweight Power Mobility Scooter, S34Heartway Medical Products Co., Ltd. · 2010
- 2 generations backK150987 HEARTWAY Power Mobility Scooter, BRIO S19Heartway Medical Products Co., Ltd. · 2015
- 1 generation backK191356 i3 Foldable Mobility ScooterPuc Perfect Union Co., Ltd. · 2022
- This deviceK222729 Electrical Scooter, WT-T4QP2Wu’S Tech Co., Ltd. · 2023
- Descendant · cites it directly · 0 of its ownK240590 Electrical Scooter, WT-T4SUW'U'S Tech Co., Ltd. · 2025
Most influential descendants
Showing 1 of 1 · See all- K240590Electrical Scooter, WT-T4SUW'U'S Tech Co., Ltd. · 2025 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K032488 | Wu's 3-Wheeled Neo Scooter, WT-T3D | Wu'S Tech Co., Ltd. | 2003 | — |
| −4 | K071007 | Heartway Lightweight Power Mobility Scooter, S33 | Heartway Medical Products Co., Ltd. | 2007 | — |
| −3 | K101142 | Heartway Lightweight Power Mobility Scooter, S34 | Heartway Medical Products Co., Ltd. | 2010 | — |
| −2 | K150987 | HEARTWAY Power Mobility Scooter, BRIO S19 | Heartway Medical Products Co., Ltd. | 2015 | — |
| −1 | K191356 | i3 Foldable Mobility Scooter | Puc Perfect Union Co., Ltd. | 2022 | — |
| 0 (this device) | K222729 | Electrical Scooter, WT-T4QP2 | Wu’S Tech Co., Ltd. | 2023 | — |
| +1 | K240590 | Electrical Scooter, WT-T4SU | W'U'S Tech Co., Ltd. | 2025 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2025 | 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 INI? 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 INI device
- #1 K231428 Mobility Scooter (Models: W3431D)score 23.1 · 9 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 |
|---|---|---|---|
| * | K191356 | i3 Foldable Mobility ScooterSummary page 4…TEL: 886-3-5208829 Predicate Device PUC Perfect Union Co., Ltd. Device name i3 Foldable Mobility Scooter 510(k) Number K191356 Indications for Use: The device is intended for medical purposes to provide mobility to persons restricted to a sittin… | 2022 |
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 |
|---|---|---|---|
| K240590 | Electrical Scooter, WT-T4SU | 2025 | 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 20 years and passes through 4 companies; a new generation was cleared every 3.4 years on median.
- None of the 5 ancestors has a recall.
- Of its descendants, K240590 (W'U'S Tech Co., Ltd., 2025) has gone furthest, with 0 descendants of its own.
How does its category compare?
All INI devicesINI Vehicle, Motorized 3-Wheeled: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · INI
21so far in 2026, the most since 2007
2026 to Oct 25, outlined.
Median 510(k) review, days · INI
111in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · INI
1in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · INI
26in 2025
MAUDE reports naming product code INI, 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 | 18 | 29 | 2 | 64 |
| 2008 | 7 | 28 | 0 | 29 |
| 2009 | 12 | 41 | 0 | 25 |
| 2010 | 5 | 46 | 3 | 56 |
| 2011 | 5 | 130 | 3 | 70 |
| 2012 | 1 | — | 0 | 172 |
| 2013 | 2 | — | 1 | 454 |
| 2014 | 1 | — | 0 | 567 |
| 2015 | 9 | 202 | 0 | 151 |
| 2016 | 1 | — | 0 | 76 |
| 2017 | 5 | 191 | 0 | 45 |
| 2018 | 3 | 266 | 0 | 51 |
| 2019 | 4 | 298 | 0 | 25 |
| 2020 | 1 | — | 0 | 26 |
| 2021 | 5 | 575 | 0 | 41 |
| 2022 | 6 | 159 | 0 | 41 |
| 2023 | 9 | 123 | 0 | 32 |
| 2024 | 8 | 137 | 0 | 31 |
| 2025 | 15 | 111 | 0 | 26 |
| 2026 | 21 | 108 | 0 | — |
What is it indicated for?
The device is intended for medical purposes to provide mobility to persons restricted to a sitting position.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K222729 · printed Nov 4, 2026
Cite this page
510(k) Report. “K222729: Electrical Scooter, WT-T4QP2.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K222729
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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