# K103324: Precision Liquid Oxygen System

- Pathway: 510(k) (Traditional)
- Applicant: Precision Medical, Inc.
- Decided: Apr 21, 2011 after 160 days
- Product code: BYJ (Unit, Liquid-Oxygen, Portable)
- Device class: 2
- Regulation: 21 CFR 868.5655
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K933930 (1994). 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)
- K041122: Precision Liquid Oxygen System, Precision Medical, Inc. (2004) Summary page 1.

## Indications for use
The Precision Medical, Inc. Easy Mate 6 + 6 are intended to provide supplemental oxygen to patients who may have difficulty extracting oxygen from the air that they breathe. These patients would normally receive the oxygen via a nasal cannula. The systems delivers 100% oxygen at different flow settings. It is intended to be used as ambulatory source of oxygen both inside and out side of the patient's home.

Source page: https://510kreport.com/device/K103324
Methodology: https://510kreport.com/methodology