# K131990: Oxygen Generator Liquefier - (Ogl)

- Pathway: 510(k) (Traditional)
- Applicant: Essex Cryogenics of Missouri, Inc.
- Decided: Feb 21, 2014 after 238 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: 2 generations back to K904087 (1990). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K022684: Portable Therapeutic Oxygen Concentration System (Ptocs), Essex Cryogenics of Missouri, Inc. (2002) Summary page 1.

## Indications for use
The OGL is intended to be used by emergency response personnel in military and commercial applications to produce emergency source of 93% USP liquid oxygen (LOX) which will be transferred into portable LOX systems. The portable LOX systems are used as an emergency source of supplemental oxygen for patient(s) while being transported for a crisis situation to a health care facility. This medical device is for supplemental oxygen and is not intended to sustain or support life. Environments of Use: Locations where LOX oxygen generation is desired, e.g. military, hospital.

Source page: https://510kreport.com/device/K131990
Methodology: https://510kreport.com/methodology