# K072323: Masterscreen & Oxycon CPX

- Pathway: 510(k) (Special)
- Applicant: Viasys Healthcare GmbH
- Decided: Oct 10, 2007 after 51 days
- Product code: BZC (Calculator, Pulmonary Function Data)
- Device class: 2
- Regulation: 21 CFR 868.1880
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
9 later devices descend from it; 1 cites it directly.
1 of 10 devices in its family (counting itself) has 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.

## Most influential descendants
- K133925: Vyntus/ Sentrysuite Product Line (2014), 8 descendants of its own
- K150810: Vyntus / SentrySuite Product Line (2015), 5 descendants of its own
- K242809: Ascent Cardiorespiratory Diagnostic Software (2024), 1 descendant of its own
- K181524: Vyntus ONE with CART, Vyntus ONE PFT only with CART, Vyntus ONE with adjustable CART, Vyntus ONE PFT only with adjustable CART (2018), 1 descendant of its own
- K260242: CPETWise Platform (2026), 0 descendants of its own

## Indications for use
The Viasys MASTERSCREEN CPX stationary pulmonary function test system is a device which monitors the cardio-respiratory functions during stress testing, rehabilitation, sports medicine and other related activities. The MASTERSCREEN CPX system allows the monitoring of metabolic parameters. The MASTERSCREEN CPX system is intended to use with adults and children over the age of 14 years.

Source page: https://510kreport.com/device/K072323
Methodology: https://510kreport.com/methodology