# K122520: Digital Thermomter

- Pathway: 510(k) (Traditional)
- Applicant: Taidoc Technology Corporation
- Decided: Feb 5, 2013 after 172 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 K881446 (1988). 2 ancestors in all.
2 later devices descend from it; 1 cites it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K091676: MC-245, MC-246, MC-247, MC-341, MC-343, MC-344, Omron Healthcare, Inc. (2009) Summary page 2.

## Most influential descendants
- K133111: Kingtech Digital Thermometer (2013), 1 descendant of its own
- K161211: Digital Thermometer (2016), 0 descendants of its own

## Indications for use
TD-1001 Digital Thermometer is intended to measure the body temperature orally and to be used by medical professionals in clinical and hospital environments and consumers in a home environment. It is intended for use on people of all ages.

Source page: https://510kreport.com/device/K122520
Methodology: https://510kreport.com/methodology