# K070321: Twilight Full Face Mask

- Pathway: 510(k) (Traditional)
- Applicant: Invacare Corp.
- Decided: Apr 30, 2007 after 87 days
- Product code: BZD (Ventilator, Non-Continuous (Respirator))
- 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 K982530 (1998). 4 ancestors in all.
No later device cites it as a predicate yet.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K023244: Mirage Full Face Mask Series 2, Resmed, Ltd. (2002) Summary page 1.
- K002465: Spectrum 2 Reusable Full Face Mask, Model 1004884 and 1004876, Respironics, Inc. (2000) Summary page 1.

## Indications for use
The Invacare Twilight Full Face Mask is intended to be used with positive airway pressure (PAP) devices, such as CPAP and Bi-Level, which provide 4-20 cmH 2O for the treatment of adult obstructive sleep apnea. There is a port on the mask to allow for pressure measurement. The mask is to be used on adult patients (>30 kg) for whom positive airway pressure therapy has been prescribed. The mask is intended for single or multiple patient re-use.

Source page: https://510kreport.com/device/K070321
Methodology: https://510kreport.com/methodology
