510(k) · Cleared
ClearedNon-contact Forehead Thermometer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Shenzhen Dongdixin Technology Co., Ltd. · FLL Continuous Measurement Thermometer
Cleared on Nov 17, 2016 as substantially equivalent to K134043 (Kaz USA, Inc (A Subsidiaryof Kaz Inc), 2014) after a 147-day review. Its family tree reaches back 4 generations to 2001.
- Decided
- Nov 17, 2016
- Review
- 147 days
- Class
- Class II
- Product code
- FLL
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 4 generations to K011291 (2001). No later device cites it as a predicate yet.
- Root · 4 generations backK011291 Temporalscanner Thermometer, SensortouchExergen Corp. · 2001
- 3 generations backK033790 Thermofocus 0800, 0900, 01500 and 0700 SeriesTecnimed S.R.L. · 2004
- 2 generations backK081160 Avita Radar Thermo IR Thermometer, NT1 SeriesAvita Corporation · 2008
- 1 generation backK134043 NO Touch+Forehead NTF 3000 ThermometerKaz USA, Inc (A Subsidiaryof Kaz Inc) · 2014
- This deviceK161735 Non-contact Forehead ThermometerShenzhen Dongdixin Technology Co., Ltd. · 2016
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K011291 | Temporalscanner Thermometer, Sensortouch | Exergen Corp. | 2001 | — |
| −3 | K033790 | Thermofocus 0800, 0900, 01500 and 0700 Series | Tecnimed S.R.L. | 2004 | — |
| −2 | K081160 | Avita Radar Thermo IR Thermometer, NT1 Series | Avita Corporation | 2008 | — |
| −1 | K134043 | NO Touch+Forehead NTF 3000 Thermometer | Kaz USA, Inc (A Subsidiaryof Kaz Inc) | 2014 | — |
| 0 (this device) | K161735 | Non-contact Forehead Thermometer | Shenzhen Dongdixin Technology Co., Ltd. | 2016 | — |
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 |
|---|---|---|---|
| * | K134043 | NO Touch+Forehead NTF 3000 ThermometerSummary page 5…: FLL 2. Predicate Device: Legally Marketed Device: NTF 3000 No Touch+Forehead Thermometer 510(k) Number: K134043 Submitter: Kaz USA, Incorporated 3. Description of Proposed Device: The Non-conta… | 2014 |
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 15 years and passes through 5 companies; a new generation was cleared every 4.1 years on median.
- None of the 4 ancestors has a recall.
- 7 other devices also cite its predicate K134043.
How does its category compare?
All FLL devicesFLL Continuous Measurement Thermometer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, 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 Non-contact Forehead Thermometer is a non-sterile, reusable clinical thermometer intended for the intermittent determination of human body temperature in a touch and no touch mode on the centre of the forehead as the measurement site on people of all ages.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K161735 · printed Nov 5, 2026
Cite this page
510(k) Report. “K161735: Non-contact Forehead Thermometer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K161735
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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