# K161472: Walk-O2-Bout

- Pathway: 510(k) (Traditional)
- Applicant: Essex Industries, Inc.
- Decided: Nov 18, 2016 after 175 days
- Product code: ECX (Cylinder, Compressed Gas, And Valve)
- Device class: 1
- Regulation: 21 CFR 868.2700
- 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 K033897 (2004). 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)
- K101792: Liv Linde Intergrated Valve-Portable Oxygen System, Model M706, Linde Gas North America, LLC (2011) Summary page 4.

## Indications for use
The Walk-O2-Bout® is an integrated portable oxygen delivery system intended to provide supplemental oxygen to pediatrics and adults in hospital, sub-acute care, and pre-hospital / ground transport settings. It is offered in models that are MR-conditional (per ASTM F2052-15), and intended for use during MR imaging for static magnetic fields of 3.0 T or less. Compressed gas cylinders in service or in storage shall be stabilized or otherwise secured to prevent falling and rolling.

Source page: https://510kreport.com/device/K161472
Methodology: https://510kreport.com/methodology