# K213485: Digital Thermometer, Models: AOJ-25A, AOJ-25B, AOJ-25C, AOJ-25D and AOJ-25E

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen AOJ Medical Technology Co., Ltd.
- Decided: May 25, 2022 after 208 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 K902624 (1990). 9 ancestors in all.
No later device cites it as a predicate yet.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K183393: Digital Thermometer, Joytech Healthcare Co., Ltd. (2019) Summary page 4.

## Indications for use
The AOJ-25 series Digital Thermometer (except AOJ-25B) are designed as reusable battery-operated electronic device, and intended for the measurement of oral, armpit and rectal temperature for people of all ages at home. The AOJ-25B is intended to measure temperature rectally only for people of all ages at home as well. The device is reusable.

Source page: https://510kreport.com/device/K213485
Methodology: https://510kreport.com/methodology