# K031983: Inovo, Inc, Economizer Conserving Regulator

- Pathway: 510(k) (Traditional)
- Applicant: Inovo, Inc.
- Decided: Sep 15, 2003 after 81 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: 2 generations back to K963247 (1996). 3 ancestors in all.
4 later devices descend from it; 3 cite it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K010747: Opc Oxygen Conserving Regulator, Model Ahg 1968, Lin-7005, MDL-7609, Mem-7612, Opc-830, Western Ent. (2001) Summary page 1.
- K992659: O2N Demand-II, Victor Model Ocpr-II, Thermadyne Holings Corp. (1999) Summary page 1.

## Most influential descendants
- K061785: Cyl-Fil Oxygen System (2006), 1 descendant of its own
- K080243: Portable Oxygen Unit SCA900 (2009), 0 descendants of its own
- K060751: Inovo, Inc. Accupulse Single Lumen Conserving Regulator (2006), 0 descendants of its own
- K051540: Inovo, Inc. Independence Oxygen Conserving Regulator (2005), 0 descendants of its own

## Indications for use
The Economizer Conserving Regulator is used to deliver a prescribed flow of gas to the patient while conserving gas, by sensing the patient inhalation cycle and supplying gas only during that phase of breathing.

Source page: https://510kreport.com/device/K031983
Methodology: https://510kreport.com/methodology