# K033276: Vpap Iii ST-a

- Pathway: 510(k) (Traditional)
- Applicant: Resmed, Ltd.
- Decided: Jun 7, 2004 after 241 days
- Product code: MNS (Ventilator, Continuous, Non-Life-Supporting)
- Device class: 2
- Regulation: 21 CFR 868.5895
- 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 K974417 (1998). 1 ancestor in all.
68 later devices descend from it; 5 cite it directly.
10 of 70 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K974417: Sullivan Vpap II ST-a Nasal Vpap System, Resmed Corp (1998) Summary page 4.

## Most influential descendants
- K060105: Vpap Iii ST-a/Kidsta Mask System (2006), 53 descendants of its own
- K051364: Vpap Adapt (2005), 36 descendants of its own
- K063533: Bipap Synchrony (2007), 30 descendants of its own
- K071509: Bipap Synchrony 2 Ventilatory Support System (2007), 28 descendants of its own
- K103167: Stellar 150 (2011), 20 descendants of its own

## Indications for use
The VPAP III ST-A system is intended to provide non-invasive ventilation for patients with respiratory insufficiency or obstructive sleep apnea (OSA), in the hospital or home.

Source page: https://510kreport.com/device/K033276
Methodology: https://510kreport.com/methodology