510(k) · Cleared
ClearedMobility Scooter (Models: W3431Q, W3431R)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zhejiang Innuovo Rehabilitation Devices Co.,Ltd · INI Vehicle, Motorized 3-Wheeled
Cleared on Feb 28, 2023 as substantially equivalent to K220206 (Zhejiang Innuovo Rehabilitation Devices Co.,Ltd, 2022) after a 194-day review. Its family tree reaches back 8 generations to 1992. 12 later devices descend from it.
- Decided
- Feb 28, 2023
- Review
- 194 days
- Class
- Class II
- Product code
- INI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 8 generations to K923193 (1992). 11 ancestors in all. 12 later devices descend from it, 1 citing it directly.
- Root · 8 generations backK923193 Sunrunner TE-777Pride Health Care, Inc. · 1992
- 7 generations backK012791 C.T.M. Mobility Scooter Model # HS-320Warepalmy Enterprise, LLC (Usa) · 2001
- 6 generations backK031272 C.T.M. Mobility Scooter, Model HS-120C.T.M. Homecare Product, Inc. · 2003
- 5 generations backK032919 C.T.M. Mobility Scooter, Model HS-250C.T.M. Homecare Product, Inc. · 2003
- 4 generations backK070603 C.T.M. Mobilitty Scooter # HS-295C.T.M. Homecare Product, Inc. · 2007
- 3 generations backK162952 C.T.M. Mobility ScooterChien TI Enterprise Co., Ltd. · 2017
- 2 generations backK182471 ScooterTianjin Kepler Vehicle Industry Co., Ltd. · 2019
- 1 generation backK220206 Mobility ScooterZhejiang Innuovo Rehabilitation Devices Co.,Ltd · 2022
- This deviceK222507 Mobility Scooter (Models: W3431Q, W3431R)Zhejiang Innuovo Rehabilitation Devices Co.,Ltd · 2023
- Descendant · cites it directly · 11 of its ownK231428 Mobility Scooter (Models: W3431D)Zhejiang Innuovo Rehabilitation Devices Co.,Ltd · 2023
- Descendant · 2 generations on · 2 of its ownK252588 Mobility Scooter (T5)Zhejiang Taotao Vehicle Co., Ltd. · 2025
- Descendant · 2 generations on · 2 of its ownK252502 Folding Mobility Scooter (KD101)Nanjing Kangni Smart Technology Co., Ltd. · 2025
- Descendant · 2 generations on · 1 of its ownK253936 Power Mobility Scooter (MJMA01, MJMA02)Nanjing Mijo Technology Co., Ltd. · 2026
- Descendant · 2 generations on · 1 of its ownK240012 Mobility Scooter (W3431)Zhejiang Innuovo Rehabilitation Devices Co.,Ltd · 2024
Showing 5 of 12 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 12 · See all- K231428Mobility Scooter (Models: W3431D)Zhejiang Innuovo Rehabilitation Devices Co.,Ltd · 2023 · cites it directly11descendants
- K252588Mobility Scooter (T5)Zhejiang Taotao Vehicle Co., Ltd. · 2025 · 2 generations on2descendants
- K252502Folding Mobility Scooter (KD101)Nanjing Kangni Smart Technology Co., Ltd. · 2025 · 2 generations on2descendants
- K253936Power Mobility Scooter (MJMA01, MJMA02)Nanjing Mijo Technology Co., Ltd. · 2026 · 2 generations on1descendant
- K240012Mobility Scooter (W3431)Zhejiang Innuovo Rehabilitation Devices Co.,Ltd · 2024 · 2 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K923193 | Sunrunner TE-777 | Pride Health Care, Inc. | 1992 | — |
| −7 | K012791 | C.T.M. Mobility Scooter Model # HS-320 | Warepalmy Enterprise, LLC (Usa) | 2001 | — |
| −6 | K031272 | C.T.M. Mobility Scooter, Model HS-120 | C.T.M. Homecare Product, Inc. | 2003 | — |
| −5 | K032919 | C.T.M. Mobility Scooter, Model HS-250 | C.T.M. Homecare Product, Inc. | 2003 | — |
| −4 | K070603 | C.T.M. Mobilitty Scooter # HS-295 | C.T.M. Homecare Product, Inc. | 2007 | — |
| −3 | K162952 | C.T.M. Mobility Scooter | Chien TI Enterprise Co., Ltd. | 2017 | — |
| −2 | K182471 | Scooter | Tianjin Kepler Vehicle Industry Co., Ltd. | 2019 | — |
| −1 | K220206 | Mobility Scooter | Zhejiang Innuovo Rehabilitation Devices Co.,Ltd | 2022 | — |
| 0 (this device) | K222507 | Mobility Scooter (Models: W3431Q, W3431R) | Zhejiang Innuovo Rehabilitation Devices Co.,Ltd | 2023 | — |
| +1 | K231428 | Mobility Scooter (Models: W3431D) | Zhejiang Innuovo Rehabilitation Devices Co.,Ltd | 2023 | — |
| +2 | K252588 | Mobility Scooter (T5) | Zhejiang Taotao Vehicle Co., Ltd. | 2025 | — |
| +2 | K252502 | Folding Mobility Scooter (KD101) | Nanjing Kangni Smart Technology Co., Ltd. | 2025 | — |
| +2 | K253936 | Power Mobility Scooter (MJMA01, MJMA02) | Nanjing Mijo Technology Co., Ltd. | 2026 | — |
| +2 | K240012 | Mobility Scooter (W3431) | Zhejiang Innuovo Rehabilitation Devices Co.,Ltd | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2018 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 3 | 0 |
| 2026 | 7 | 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 |
|---|---|---|---|
| * | K220206 | Mobility ScooterSummary page 4…ized three-wheeled vehicle Classification: Class II Product code: INI Regulation Number: 890.3800 Review Panel: Physical Medicine C. Predicate device: 510k number: K220206 Device Name: Scooter Model: W3468A Zhejiang Innuovo Rehabilitation Devices Co.,Ltd… | 2022 |
What descends from it? (12)
See all 121 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K231428 | Mobility Scooter (Models: W3431D) | 2023 | 11 |
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 31 years and passes through 6 companies; a new generation was cleared every 2.7 years on median.
- None of the 11 ancestors has a recall.
- Of its descendants, K231428 (Zhejiang Innuovo Rehabilitation Devices Co.,Ltd, 2023) has gone furthest, with 11 descendants of its own.
- 1 other device also cites its predicate K220206.
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?
It is a motor driven, indoor and outdoor transportation vehicle with the intended use to provide mobility to a disabled or elderly person limited to a seated position.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K222507 · printed Nov 6, 2026
Cite this page
510(k) Report. “K222507: Mobility Scooter (Models: W3431Q, W3431R).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K222507
Report an extraction error
Are you the manufacturer?
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