# K210171: Non-contact Infrared Thermometer (Models WL-301, WL-501, WL-601, WL-701)

- Pathway: 510(k) (Traditional)
- Applicant: Sichuan Youkede Medical Equipment Co.,Ltd
- Decided: Mar 18, 2022 after 420 days
- Product code: FLL (Continuous Measurement Thermometer)
- Device class: 2
- Regulation: 21 CFR 880.2910
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K000969 (2000). 10 ancestors in all.
No later device cites it as a predicate yet.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K202420: Infrared Forehead Thermometer, Conmo Electronic Company Limited (2021). Cleared while this submission was under review Summary page 4.

## Indications for use
The Non-contact Infrared Thermometer (Models WL-301, WL-501, WL-601, WL-701) is an electronic thermometer using an infrared sensor to detect human body temperature from forehead on people of one month old and above. The device is reusable for home and clinical use.

Source page: https://510kreport.com/device/K210171
Methodology: https://510kreport.com/methodology