# K983601: Demand Oxygen Conserving Device, Docd, the Doc

- Pathway: 510(k) (Traditional)
- Applicant: Medical Electronic Devices, Inc.
- Decided: Dec 15, 1998 after 62 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: 1 generation back to K852650 (1985). 2 ancestors in all.
2 later devices descend from it; 1 cites it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K953852: Model Ipd Oxygen Conserving Device, Invacare Corp. (1995) Summary page 1.
- K852650: Oxymatictm Electronic Oxgyen Conserver, Chad Therapeutics, Inc. (1985) Summary page 1.

## Most influential descendants
- K992935: OCD2001 (2000), 1 descendant of its own
- K022865: 6203 (2003), 0 descendants of its own

## Indications for use
The DOC Demand Oxygen Conserving Device is indicated for use to conserve oxygen for patients prescribed 1 to 6 liters per minute of supplemental oxygen and use nasal cannulas and USP bottled oxygen.

Source page: https://510kreport.com/device/K983601
Methodology: https://510kreport.com/methodology