510(k) · Cleared
ClearedManual Wheelchair (MASY23)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Sichuan Ast Medical Equipment Co., Ltd. · IOR Wheelchair, Mechanical
Cleared on Nov 22, 2024 as substantially equivalent to K231750 (Sichuan Ast Medical Equipment Co., Ltd., 2023) after a 73-day review. Its family tree reaches back 4 generations to 1994.
- Decided
- Nov 22, 2024
- Review
- 73 days
- Class
- Class I
- Product code
- IOR
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 4 generations to K935398 (1994). No later device cites it as a predicate yet.
- Root · 4 generations backK935398 Tracer Series Manual WheelchairsInvacare Corp. · 1994
- 3 generations backK162621 Invacare Tracer SX5 Manual Wheelchair, Invacare Tracer IV Heavy…Invacare Corporation · 2017
- 2 generations backK181795 AST Model MA012 and MS019 Rehab WheelchairSichuan Ast Medical Equipment Co., Ltd. · 2018
- 1 generation backK231750 MA012 Aluminum wheelchair, MS019 steel wheelchairSichuan Ast Medical Equipment Co., Ltd. · 2023
- This deviceK242722 Manual Wheelchair (MASY23)Sichuan Ast Medical Equipment Co., Ltd. · 2024
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K935398 | Tracer Series Manual Wheelchairs | Invacare Corp. | 1994 | — |
| −3 | K162621 | Invacare Tracer SX5 Manual Wheelchair, Invacare Tracer IV Heavy Duty/Extra… | Invacare Corporation | 2017 | — |
| −2 | K181795 | AST Model MA012 and MS019 Rehab Wheelchair | Sichuan Ast Medical Equipment Co., Ltd. | 2018 | — |
| −1 | K231750 | MA012 Aluminum wheelchair, MS019 steel wheelchair | Sichuan Ast Medical Equipment Co., Ltd. | 2023 | — |
| 0 (this device) | K242722 | Manual Wheelchair (MASY23) | Sichuan Ast Medical Equipment Co., Ltd. | 2024 | — |
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 |
|---|---|---|---|
| * | K231750 | MA012 Aluminum wheelchair, MS019 steel wheelchairSummary page 5…r 890.3850 Product Code(s) IOR I Legally Marketed Predicate Devices 21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K231750 MSO019 Steel wheelchair IOR Device Description Summary 21 CFR 807.92(a)(4) The MASY23 manual wheelchair is a mechanical wheelcha… | 2023 |
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 30 years and passes through 3 companies; a new generation was cleared every 4.9 years on median.
- None of the 4 ancestors has a recall.
- 2 other devices also cite its predicate K231750.
How does its category compare?
All IOR devicesIOR Wheelchair, Mechanical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, 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 Manual Wheelchair is to provide mobility to persons limited to a sitting 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/K242722 · printed Nov 6, 2026
Cite this page
510(k) Report. “K242722: Manual Wheelchair (MASY23).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K242722
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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