# K990678: Pneumatic Demand Oxygen Conserver (Pdoc)

- Pathway: 510(k) (Traditional)
- Applicant: Salter Labs
- Decided: May 7, 1999 after 66 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
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Indications for use
The Salter Labs Pneumatic Demand Oxygen Conserver (PDOC) is indicated for all respiratory or physiological problems where the requirement for supplemental oxygen therapy is indicated by a qualified physician or registered healthcare professional. The PDOC is indicated for use in both the hospital and home care environment where a demand oxygen delivery system is indicated. The PDOC allows for the effective administration of high pressure medical grade or concentrated oxygen upon demand to a patient who has been diagnosed as requiring and which has been prescribed oxygen administration by a physician. Oxygen is administered only during the inhalation cycle, conserving oxygen during the exhalation cycle.

Source page: https://510kreport.com/device/K990678
Methodology: https://510kreport.com/methodology