# K802226: Sechrist Series 3500 Air-Oxygen Mixer

- Pathway: 510(k) (Traditional)
- Applicant: Sechrist Industries, Inc.
- Decided: Sep 26, 1980 after 14 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.
6 later devices descend from it; 2 cite it directly.
0 of 7 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
- K992503: Sechrist Air-Oxygen Mixer, 3500/3500HL Series (1999), 5 descendants of its own
- K023745: Sechrist Air/Oxygen Mixer, Model 3500 CP-G (2003), 4 descendants of its own
- K101046: Stockert S5 System and Gas Blender and Sorin C5 System (2010), 3 descendants of its own
- K181942: Quantum Ventilation Module (2018), 2 descendants of its own
- K202733: Quantum Ventilation Module (2020), 1 descendant of its own

Source page: https://510kreport.com/device/K802226
Methodology: https://510kreport.com/methodology