# K770405: Overload Warning Device

- Pathway: 510(k) (Traditional)
- Applicant: Synthes (Usa)
- Decided: Mar 10, 1977 after 7 days
- Product code: IRN (Device, Warning, Overload, External Limb, Powered)
- Device class: 2
- Regulation: 21 CFR 890.5575
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
3 later devices descend from it; 1 cites it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K955034: Forceguard (1996), 2 descendants of its own
- K023161: Smartstep System (2002), 1 descendant of its own
- K060150: Smartstep System/Smarstep Clinic System (2006), 0 descendants of its own

Source page: https://510kreport.com/device/K770405
Methodology: https://510kreport.com/methodology