# K993433: Virtuoso LX Smart Cpap System

- Pathway: 510(k) (Special)
- Applicant: Respironics, Inc.
- Decided: Oct 27, 1999 after 15 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: 1 generation back to K953930 (1996). 1 ancestor in all.
94 later devices descend from it; 3 cite it directly.
12 of 96 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K953930: Virtuoso Smart Cpap System, Respironics, Inc. (1996) Summary page 1.

## Most influential descendants
- K012554: Remstar Auto Cpap System (2002), 92 descendants of its own
- K031460: Modification to Remstar Auto Cpap System (2003), 74 descendants of its own
- K021861: Remstar Pro with C-Flex Cpap System (2002), 47 descendants of its own
- K052110: M-Series Pro Cpap Sytem (2005), 42 descendants of its own
- K041010: Remstar Auto with C-Flex Cpap System (2004), 40 descendants of its own

## Indications for use
The Virtuoso Smart LX CPAP System delivers continuous positive airway pressure therapy for the treatment of Obstructive Sleep Apnea.

Source page: https://510kreport.com/device/K993433
Methodology: https://510kreport.com/methodology