510(k) · Cleared
ClearedDisposable Cytology Brush (AF series)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Alton (Shanghai) Medical Instruments Co., Ltd. · KTI Bronchoscope Accessory
Cleared on Mar 4, 2025 as substantially equivalent to K190293 (Olympus Medical Systems Corp., 2019) after a 266-day review. Its family tree reaches back 2 generations to 1978.
- Decided
- Mar 4, 2025
- Review
- 266 days
- Class
- Class II
- Product code
- KTI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 2 generations to K780872 (1978). No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
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 KTI? 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 KTI device
- #1 K261274 EchoTip Ultra® Endobronchial HD Ultrasound…score 15.0 · 12 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 |
|---|---|---|---|
| * | K190293 | Single Use Cytology Brush BC-205DSummary page 5…ode Description: brush, biopsy, bronchoscope (non-rigid) Product code: BTG III. Identification of Predicate device Primary predicate device Predicate Submission Number: K190293 Trade/Device Name: Single Use Cytology Brush BC-205D Regulation Name: Bronchoscope (Flexible Or Rigid) And Accessories Regulation… | 2019 |
| † | K780872 | Cytology Brush | 1978 |
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 47 years and passes through 3 companies; a new generation was cleared every 40.9 years on median.
- 1 of the 2 ancestors has a recall of any class.
- 2 other devices also cite its predicate K190293.
How does its category compare?
All KTI devicesKTI Bronchoscope Accessory: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · KTI
5in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KTI
61in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KTI
1in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KTI
198in 2025
MAUDE reports naming product code KTI, 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 | 0 | — | 0 | 3 |
| 2008 | 1 | — | 0 | 11 |
| 2009 | 1 | — | 0 | 9 |
| 2010 | 0 | — | 0 | 8 |
| 2011 | 1 | — | 0 | 17 |
| 2012 | 0 | — | 1 | 12 |
| 2013 | 0 | — | 0 | 7 |
| 2014 | 0 | — | 0 | 4 |
| 2015 | 2 | — | 0 | 2 |
| 2016 | 3 | 140 | 0 | 7 |
| 2017 | 3 | 115 | 0 | 9 |
| 2018 | 1 | — | 1 | 14 |
| 2019 | 1 | — | 0 | 27 |
| 2020 | 1 | — | 0 | 37 |
| 2021 | 1 | — | 0 | 47 |
| 2022 | 3 | 137 | 0 | 131 |
| 2023 | 4 | 168 | 0 | 130 |
| 2024 | 0 | — | 0 | 149 |
| 2025 | 5 | 61 | 0 | 198 |
| 2026 | 3 | 98 | 0 | — |
What is it indicated for?
The cytology brush has been specifically designed to collect specimens or cells endoscopically for cytologic examination in conjunction with bronchoscopes.
Intended patient population: Adults
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K241679 · printed Nov 5, 2026
Cite this page
510(k) Report. “K241679: Disposable Cytology Brush (AF series).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K241679
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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