# K032143: Liquid Oxygen System

- Pathway: 510(k) (Traditional)
- Applicant: Micro Technology Services, Inc.
- Decided: Mar 30, 2004 after 260 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
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Indications for use
The LOX-Stat electronic contents gauge is intended for use with the Puritan Bennett companion 21/31/41 Liquid Oxygen Reservoirs to digitally display the liquid oxygen content remaining in the tank.

Source page: https://510kreport.com/device/K032143
Methodology: https://510kreport.com/methodology