# K113159: U-Right TD-1240 Thermometer

- Pathway: 510(k) (Special)
- Applicant: Taidoc Technology Corporation
- Decided: Jan 6, 2012 after 72 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: 2 generations back to K061800 (2006). 2 ancestors in all.
7 later devices descend from it; 3 cite it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K081445: Fora Comfortscan Ear Thermometer, Models TD-1261A; TD-1261B, Taidoc Technology Corporation (2008) Summary page 2.

## Most influential descendants
- K131771: Caregiver Professional Clinical Thermometer, Pro-TF Series (2013), 2 descendants of its own
- K122221: Nexus IR30 Non-Contact Infrared Forehead Thermometer (2013), 2 descendants of its own
- K200946: Clever Forehead Thermometer / Clever Medical Forehead Thermometer (Model TD-1241) (2022), 0 descendants of its own
- K180298: welloStationX (2018), 0 descendants of its own
- K160802: Infrared Forehead Thermometer, FT-100A (2016), 0 descendants of its own

## Indications for use
U-RIGHT TD-1240 Thermometer is an electronic thermometer using an infrared sensor to detect human body temperature on people of all ages and for use in the home. It is also available to detect object's surface temperature including human skin.

Source page: https://510kreport.com/device/K113159
Methodology: https://510kreport.com/methodology