510(k) · Cleared
ClearedMartin Chair, Model C4S1
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Martin Manufacturing Co., LLC · IOR Wheelchair, Mechanical
Cleared on Jun 9, 2008 as substantially equivalent to K012167 (Invacare Corp., 2001) and 3 other predicates after a 105-day review. Its family tree reaches back 3 generations to 1992.
- Decided
- Jun 9, 2008
- Review
- 105 days
- Class
- Class I
- Product code
- IOR
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 3 generations to K922535 (1992). 7 ancestors in all, the oldest K874448 (1987). No later device cites it as a predicate yet.
- Root · 3 generations backK922535 The TerminatorTop End Wheelchair Sports, Inc. · 1992
- 2 generations backK990157 Model Top End Terminator SS Manual WheelchairInvacare Corp. · 1999
- 1 generation backK012167 Model Top End Terminator Titanium Manual WheelchairInvacare Corp. · 2001
- This deviceK080506 Martin Chair, Model C4S1Martin Manufacturing Co., LLC · 2008
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K922535 | The Terminator | Top End Wheelchair Sports, Inc. | 1992 | — |
| −2 | K990157 | Model Top End Terminator SS Manual Wheelchair | Invacare Corp. | 1999 | — |
| −1 | K012167 | Model Top End Terminator Titanium Manual Wheelchair | Invacare Corp. | 2001 | — |
| 0 (this device) | K080506 | Martin Chair, Model C4S1 | Martin Manufacturing Co., LLC | 2008 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1989 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 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 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? (4)
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 |
|---|---|---|---|
| * | K012167 | Model Top End Terminator Titanium Manual WheelchairSummary page 3…or 411 Novabed Patient Transfer System Cleared Under: K012167 K894134 K874448, K964246 Date Cleared: August 1,2001 08/28/1989 Decemb… | 2001 |
| * | K894134 | Power Examination Table Model # 411Summary page 3…Novabed Patient Transfer System Cleared Under: K012167 K894134 K874448, K964246 Date Cleared: August 1,2001 08/28/1989 December 17,… | 1989 |
| * | K874448 | Nova Transfer System, Model XXXSummary page 3…Patient Transfer System Cleared Under: K012167 K894134 K874448, K964246 Date Cleared: August 1,2001 08/28/1989 December 17,… | 1987 |
| * | K964246 | Novabed Patient Transfer SystemSummary page 3…Transfer System Cleared Under: K012167 K894134 K874448, K964246 Date Cleared: August 1,2001 08/28/1989 December 17,… | 1997 |
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?
- The line of descent spans 16 years and passes through 3 companies; a new generation was cleared every 6.5 years on median.
- None of the 7 ancestors has a recall.
- 2 other devices also cite its predicate K012167.
How does its category compare?
All IOR devicesIOR Wheelchair, Mechanical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.
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?
The Martin Chair Model C4S1 is indicated for providing mobility to persons limited to a sitting position. It is also specifically indicated to transfer a patient to and from the Martin Examination Table.
The Martin Examination Table is indicated for use during diagnostic examinations or surgical procedures to support and position a patient.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K080506 · printed Nov 6, 2026
Cite this page
510(k) Report. “K080506: Martin Chair, Model C4S1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K080506
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