510(k) · Cleared
ClearedInfrared Thermometer (Model K9)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Kangzhan Communication Electronics Co., Ltd. · FLL Continuous Measurement Thermometer
Cleared on Oct 8, 2021 as substantially equivalent to K191668 (Comper Chuangxiang (Beijing) Technology Co., Ltd., 2019) after a 315-day review. Its family tree reaches back 5 generations to 2001.
- Decided
- Oct 8, 2021
- Review
- 315 days
- Class
- Class II
- Product code
- FLL
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K011291 (2001). No later device cites it as a predicate yet.
- Root · 5 generations backK011291 Temporalscanner Thermometer, SensortouchExergen Corp. · 2001
- 4 generations backK033790 Thermofocus 0800, 0900, 01500 and 0700 SeriesTecnimed S.R.L. · 2004
- 3 generations backK081160 Avita Radar Thermo IR Thermometer, NT1 SeriesAvita Corporation · 2008
- 2 generations backK134043 NO Touch+Forehead NTF 3000 ThermometerKaz USA, Inc (A Subsidiaryof Kaz Inc) · 2014
- 1 generation backK191668 Infrared Forehead Thermometer (Model IR-FT)Comper Chuangxiang (Beijing) Technology Co., Ltd. · 2019
- This deviceK203497 Infrared Thermometer (Model K9)Kangzhan Communication Electronics Co., Ltd. · 2021
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K011291 | Temporalscanner Thermometer, Sensortouch | Exergen Corp. | 2001 | — |
| −4 | K033790 | Thermofocus 0800, 0900, 01500 and 0700 Series | Tecnimed S.R.L. | 2004 | — |
| −3 | K081160 | Avita Radar Thermo IR Thermometer, NT1 Series | Avita Corporation | 2008 | — |
| −2 | K134043 | NO Touch+Forehead NTF 3000 Thermometer | Kaz USA, Inc (A Subsidiaryof Kaz Inc) | 2014 | — |
| −1 | K191668 | Infrared Forehead Thermometer (Model IR-FT) | Comper Chuangxiang (Beijing) Technology Co., Ltd. | 2019 | — |
| 0 (this device) | K203497 | Infrared Thermometer (Model K9) | Kangzhan Communication Electronics Co., Ltd. | 2021 | — |
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 FLL? 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 FLL device
- #1 K191829 Microlife Non-Contact Infrared Forehead…score 26.7 · 4 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 |
|---|---|---|---|
| * | K191668 | Infrared Forehead Thermometer (Model IR-FT)Summary page 5…cate Device: 510(K) Trade or Proprietary or Model Name Manufacturer page 1 of 6 K191668 Infrared Forehead Thermometer (Model IR-FT) Comper Chuangxiang… | 2019 |
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 20 years and passes through 6 companies; a new generation was cleared every 4.1 years on median.
- None of the 5 ancestors has a recall.
How does its category compare?
All FLL devicesFLL Continuous Measurement Thermometer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.
FDA decisions per year · FLL
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FLL
131in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FLL
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FLL
73in 2025
MAUDE reports naming product code FLL, 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 | 15 | 81 | 0 | 4 |
| 2008 | 14 | 59 | 0 | 13 |
| 2009 | 13 | 84 | 0 | 9 |
| 2010 | 24 | 88 | 0 | 9 |
| 2011 | 20 | 113 | 1 | 18 |
| 2012 | 17 | 126 | 0 | 26 |
| 2013 | 14 | 149 | 0 | 16 |
| 2014 | 7 | 199 | 0 | 54 |
| 2015 | 3 | 270 | 1 | 53 |
| 2016 | 22 | 157 | 0 | 58 |
| 2017 | 16 | 174 | 2 | 118 |
| 2018 | 35 | 209 | 1 | 51 |
| 2019 | 22 | 198 | 5 | 52 |
| 2020 | 21 | 194 | 0 | 53 |
| 2021 | 43 | 218 | 0 | 115 |
| 2022 | 24 | 218 | 0 | 142 |
| 2023 | 17 | 295 | 0 | 101 |
| 2024 | 13 | 223 | 0 | 118 |
| 2025 | 6 | 131 | 1 | 73 |
| 2026 | 2 | — | 1 | — |
What is it indicated for?
The Infrared Thermometer, Model K9 is a non-contact infrared thermometer intended for the intermittent measurement and monitoring of human body temperature from forehead for clinical and home use environments.
It can be used for anybody, e.g. for infant, children and adults (Excluding neonates).
The device does not require sterilization and can be reused.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K203497 · printed Nov 4, 2026
Cite this page
510(k) Report. “K203497: Infrared Thermometer (Model K9).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K203497
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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