# K023942: Clockmini, Model DF301; Clocknavi, Model DF311

- Pathway: 510(k) (Traditional)
- Applicant: Yamato Corp.
- Decided: Feb 24, 2003 after 90 days
- Product code: MNW (Analyzer, Body Composition)
- Device class: 2
- Regulation: 21 CFR 870.2770
- 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 K011652 (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)
- K011652: Body Fat Analyzer, Model HBF-306, Omron Healthcare, Inc. (2001)

## Indications for use
The Yamato ClockMlNl and ClockNAVl Body Fat Monitors are intended for use in the estimation of body fat percent in users between the ages of 10 and 80 years old.

Source page: https://510kreport.com/device/K023942
Methodology: https://510kreport.com/methodology