# K760766: Pre-Set 50/50 Nitrous Oxide/Oxygen Mixer

- Pathway: 510(k) (Traditional)
- Applicant: Fraser Sweatman, Inc.
- Decided: Oct 8, 1976 after 4 days
- Product code: BZR (Mixer, Breathing Gases, Anesthesia Inhalation)
- Device class: 2
- Regulation: 21 CFR 868.5330
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 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
- K202480: Nitronox Plus 0-70, Nitronox 0-50, Nitronox Plus 50/50 (2021), 0 descendants of its own

Source page: https://510kreport.com/device/K760766
Methodology: https://510kreport.com/methodology
