# K173807: Accu O2 Oxygen Analyzer

- Pathway: 510(k) (Abbreviated)
- Applicant: Precision Medical, Inc.
- Decided: May 2, 2018 after 138 days
- Product code: CCL (Analyzer, Gas, Oxygen, Gaseous-Phase)
- Device class: 2
- Regulation: 21 CFR 868.1720
- 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 K935370 (1994). 5 ancestors in all.
No later device cites it as a predicate yet.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K040484: MAXO2+, Model a and AE, Maxtec, Inc. (2004) Summary page 5.

## Indications for use
The PM5950 Accu O2 Analyzer is intended as a tool for use by qualified personnel to spot-check or measure oxygen concentration of a delivered air/oxygen mixture. The PM5950 Accu O2 Analyzer is not intended for use in continuous monitoring of oxygen delivery to patient.

Source page: https://510kreport.com/device/K173807
Methodology: https://510kreport.com/methodology