510(k) · Cleared
ClearedC.T.M. Mobility Scooter, Model # HS-666
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Warepalmy Enterprise, LLC (Usa) · INI Vehicle, Motorized 3-Wheeled
Cleared on Dec 18, 1998 as substantially equivalent to K920654 (Pride Health Care, Inc., 1992) after a 60-day review. Its family tree reaches back 1 generation to 1992.
- Decided
- Dec 18, 1998
- Review
- 60 days
- Class
- Class II
- Product code
- INI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K920654 (1992). No later device cites it as a predicate yet.
- Root · 1 generation backK920654 Shoprider - TE889Pride Health Care, Inc. · 1992
- This deviceK983663 C.T.M. Mobility Scooter, Model # HS-666Warepalmy Enterprise, LLC (Usa) · 1998
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K920654 | Shoprider - TE889 | Pride Health Care, Inc. | 1992 | — |
| 0 (this device) | K983663 | C.T.M. Mobility Scooter, Model # HS-666 | Warepalmy Enterprise, LLC (Usa) | 1998 | — |
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 |
|---|---|---|---|
| * | K920654 | Shoprider - TE889Summary page 1…890.3800. Legally marketed device for substantial equivalence comparison: Shoprider™-TE889 submitted by Pride Health Care, Inc. and cleared for marketing under 510(k) “K920654. Description of the device: The C.T.M. Mobility Scooter HS-666 is an indoor/outdoor three-wheeled scooter which is battery opera… | 1992 |
What descends from it?
No later submission names this one as a predicate yet.
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?
- Its one ancestor has no recall.
- 3 other devices also cite its predicate K920654.
How does its category compare?
All INI devicesINI Vehicle, Motorized 3-Wheeled: FDA decisions, review times, recalls and adverse event reports over 20 years.
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 C.T.M. Mobility Scooter HS-666 is an indoor/outdoor scooter which provides transportation for a disabled or elderly person.
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/K983663 · printed Nov 4, 2026
Cite this page
510(k) Report. “K983663: C.T.M. Mobility Scooter, Model # HS-666.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K983663
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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