# K790333: Nad Scavenging Relief Valve

- Pathway: 510(k) (Traditional)
- Applicant: Draeger Medical, Inc.
- Decided: Mar 22, 1979 after 34 days
- Product code: CBN (Apparatus, Gas-Scavenging)
- Device class: 2
- Regulation: 21 CFR 868.5430
- 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
- K080039: Passive Waste Gas Scavenger, Model 14600 (2008), 2 descendants of its own
- K223452: Nitronox Scavenger Plus (2023), 0 descendants of its own
- K101286: Sedara Gas Mixer, Sedara Scavenger Model: 03, 04 (2011), 0 descendants of its own

Source page: https://510kreport.com/device/K790333
Methodology: https://510kreport.com/methodology