# K041773: Oxygen Medicels, Citicels

- Pathway: 510(k) (Traditional)
- Applicant: City Technology Limited
- Decided: Jul 15, 2004 after 14 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: 2 generations back to K953351 (1995). 2 ancestors in all.
No later device cites it as a predicate yet.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K972992: Ceramatec Maxcell and Cag Galvanic Oxygen Sensors, Ceramatec, Inc. (1998) Summary page 2.

## Indications for use
The City Technology Medical replacement oxygen sensor is intended to replace the original oxygen-sensing component of an oxygen analyzer that measures oxygen concentration in breathing gas mixtures.

Source page: https://510kreport.com/device/K041773
Methodology: https://510kreport.com/methodology