# K200599: Digital Thermometer

- Pathway: 510(k) (Traditional)
- Applicant: Joytech Healthcare Co., Ltd.
- Decided: Jul 8, 2020 after 121 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.
2 later devices descend from it; 1 cites it directly.
0 of 12 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 5.

## Most influential descendants
- K223044: Digital Thermometer (Model QT001) (2023), 1 descendant of its own
- K240109: Medical electronic thermometer (FC01, FC02) (2024), 0 descendants of its own

## Indications for use
The Digital Thermometer DMT-4756 is intended to measure the human body temperature in regular mode orally, rectally or under the arm, and the device is reusable for clinical or home use on people of all ages, including children under 8 with adult supervision.

Source page: https://510kreport.com/device/K200599
Methodology: https://510kreport.com/methodology