# K113111: Chad Therapeutic Evolution Electronic Oxygen Conserver with Motion

- Pathway: 510(k) (Special)
- Applicant: Inovo, Inc.
- Decided: Dec 8, 2011 after 49 days
- Product code: NFB (Conserver, Oxygen)
- Device class: 2
- Regulation: 21 CFR 868.5905
- 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 K003455 (2000). 7 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K103392: Chad Therapeutic Evolution Electronic Oxygen Conserver, Inovo, Inc. (2010). Our reading of the summary gave K103302, FDA’s number for Stempro MSC SFM (Life Technologies Corporation). Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “Chad Therapeutic Evolution Model OM-900”.
- K033364: Chad Therapeutics Sage, Chad Therapeutics, Inc. (2004) Summary page 2.

## Most influential descendants
- K220591: Proxima (2022), 0 descendants of its own

## Indications for use
The Chad Therapeutics Evolution Model OM-900M is intended for prescription use only, to be used as part of a portable oxygen delivery system for patients that require supplemental oxygen up to 6 liters per minute, in their home and for ambulatory use.

Source page: https://510kreport.com/device/K113111
Methodology: https://510kreport.com/methodology