# K041664: Portable Oxygen Generation System: Pogs 33C

- Pathway: 510(k) (Traditional)
- Applicant: On Site Gas Systems, Inc.
- Decided: Jul 29, 2004 after 41 days
- Product code: CAW (Generator, Oxygen, Portable)
- Device class: 2
- Regulation: 21 CFR 868.5440
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K933081 (1994). 10 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K030920: POGS 33, On Site Gas Systems, Inc. (2004) Summary page 1.

## Most influential descendants
- K063454: Pogs, Model 33C (2007), 2 descendants of its own
- K101154: Centrox, Reliant, Ultrox, as-D+, as-E, as-G, as-J, as-K and as-L (2011), 0 descendants of its own
- K092636: Pogs, Model 65/130 (2010), 0 descendants of its own

## Indications for use
The POGS 33C is intended to provide medical grade air and oxygen (USP oxygen 93%) at 50 PSIG nominal and lower output pressures in hospitals, surgical suites, and other clinical settings in military facilities only. The POGS 33C is compatible with commercial oxygen-consuming equipment and accessories, including D, E, H, and K cylinder-filling accessories, ventilators, cannulas, Draeger Narkomed Anesthesia machines and Impact Univent/Eagle 754/754M Ventilators.

Source page: https://510kreport.com/device/K041664
Methodology: https://510kreport.com/methodology