# K171182: ri-former Predictive Thermometer

- Pathway: 510(k) (Traditional)
- Applicant: Rudolf Riester GmbH
- Decided: Oct 4, 2017 after 163 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: 1 generation back to K003313 (2001). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K003313: Filac Fas Temp Electronic Thermometer, The Kendall Company (2001) Summary page 5.

## Indications for use
The device is used for measuring body temperature in the mouth (oral) in the anus (rectal) and in the armpit (axillary). It is intended for adults, children and infants.

Source page: https://510kreport.com/device/K171182
Methodology: https://510kreport.com/methodology