# K173205: Equinox Advantage

- Pathway: 510(k) (Traditional)
- Applicant: O-Two Medical Technologies, Inc.
- Decided: Aug 29, 2018 after 331 days
- Product code: BZR (Mixer, Breathing Gases, Anesthesia Inhalation)
- Device class: 2
- Regulation: 21 CFR 868.5330
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K932170 (1993). 7 ancestors in all.
No later device cites it as a predicate yet.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K113687: Equinox Relieve, O-Two Medical Technologies, Inc. (2012) Summary page 4.

## Indications for use
The Equinox® Advantage Nitrous Oxide/Oxygen Analgesic Gas Mixing and Delivery System is indicated for administering an adjustable mixture of Nitrous Oxide analgesic gas and Oxygen, on demand, to a conscious, spontaneously breathing patient.

Source page: https://510kreport.com/device/K173205
Methodology: https://510kreport.com/methodology