510(k) · Cleared
Recalled · 2009Kuschall Design K3/K4 Series of Manual Wheelchairs
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Invacare Corp. · IOR Wheelchair, Mechanical
Cleared on Aug 21, 1998 as substantially equivalent to K914553 (Invacare Corp., 1991) after a 46-day review. Its family tree reaches back 1 generation to 1991. 2 later devices descend from it. It has been recalled 2 times.
- Decided
- Aug 21, 1998
- Review
- 46 days
- Class
- Class I
- Product code
- IOR
- Recalls
- 2
- Predicates
- 1
Its longest line of descent runs back 1 generation to K914553 (1991). 2 later devices descend from it, 2 citing it directly.
- Root · 1 generation backK914553 Action Series Manual Wheelchairs, Various ModelsInvacare Corp. · 1991
- This deviceK982336 Kuschall Design K3/K4 Series of Manual WheelchairsInvacare Corp. · 1998
- Descendant · cites it directly · 0 of its ownK162692 Kuschall K-Series Attract Manual WheelchairInvacare Corporation · 2016
- Descendant · cites it directly · 0 of its ownK162696 Kuschall Advance Manual WheelchairInvacare Corporation · 2016
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K914553 | Action Series Manual Wheelchairs, Various Models | Invacare Corp. | 1991 | — |
| 0 (this device) | K982336 | Kuschall Design K3/K4 Series of Manual Wheelchairs | Invacare Corp. | 1998 | — |
| +1 | K162692 | Kuschall K-Series Attract Manual Wheelchair | Invacare Corporation | 2016 | — |
| +1 | K162696 | Kuschall Advance Manual Wheelchair | Invacare Corporation | 2016 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2016 | 2 | 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 IOR? 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 IOR device
- #1 K201461 Manual Wheelchair, Model A011score 20.0 · 3 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 |
|---|---|---|---|
| * | K914553 | Action Series Manual Wheelchairs, Various ModelsSummary page 2…=== Predicate Devices . . . The Kuschall Design K3/K4 series of manual wheelchairs are substantially equivalent to the Invacare Action Pro and Pro T Manual Wheelchairs (K914553, 10/9/91). Intended Use ) The intended use of Kuschall Design K3/K4 series of manual wheelchairs is to provide mobility to pers… | 1991 |
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jun 15, 2009 | Not classified | Z-0421-2010 | Device Design | The handle has been breaking at a calculated weight of 65 kg which may have serious consequences (broken bones) depending on the circumstances of the break (e.g., user on ramps, hills, etc.). |
| Jul 18, 2006 | Not classified | Z-1486-06 | Device Design | If the user has chosen to install optional anti-tippers on the chair, the anti-tipper as designed may not be able to bear the stress of repeated or quick loads placed on it, causing the bolt to bend or break. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
How does its category compare?
All IOR devicesIOR Wheelchair, Mechanical: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · IOR
17so far in 2026, the most since 2007
2026 to Oct 25, outlined.
Median 510(k) review, days · IOR
91in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IOR
1in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IOR
135in 2025
MAUDE reports naming product code IOR, 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 | 5 | 38 | 1 | 36 |
| 2008 | 13 | 32 | 3 | 62 |
| 2009 | 4 | 43 | 2 | 54 |
| 2010 | 12 | 81 | 0 | 69 |
| 2011 | 6 | 58 | 6 | 232 |
| 2012 | 11 | 176 | 3 | 1,238 |
| 2013 | 7 | 233 | 3 | 4,674 |
| 2014 | 7 | 211 | 3 | 5,082 |
| 2015 | 3 | 104 | 0 | 4,472 |
| 2016 | 10 | 135 | 1 | 1,860 |
| 2017 | 7 | 209 | 0 | 49 |
| 2018 | 3 | 203 | 0 | 58 |
| 2019 | 6 | 160 | 0 | 53 |
| 2020 | 2 | — | 0 | 43 |
| 2021 | 2 | — | 1 | 59 |
| 2022 | 4 | 150 | 0 | 37 |
| 2023 | 9 | 61 | 0 | 165 |
| 2024 | 4 | 65 | 0 | 138 |
| 2025 | 7 | 91 | 0 | 135 |
| 2026 | 17 | 103 | 0 | — |
What is it indicated for?
To provide mobility to persons limited to a seated position.
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/K982336 · printed Nov 6, 2026
Cite this page
510(k) Report. “K982336: Kuschall Design K3/K4 Series of Manual Wheelchairs.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K982336
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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