# K955432: CPX, CCM, Cath with 15% CO2

- Pathway: 510(k) (Traditional)
- Applicant: Medical Graphics Corp.
- Decided: Jul 1, 1996 after 216 days
- Product code: BZM (Calculator, Pulmonary Function Interpretor (Diagnostic))
- Device class: 2
- Regulation: 21 CFR 868.1900
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
8 later devices descend from it; 2 cite it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K061731: Medgraphics Ultima System (2006), 6 descendants of its own
- K071911: Cardiopulmonary Exercise Testing Option to Innocor (2007), 3 descendants of its own
- K083879: Innocor Ergospirometry System (INN00010), the Basic Innocor Including Breath-by-Breath System (INN00400), Nibp (INN00500) (2009), 2 descendants of its own
- K070858: Express Series (2007), 2 descendants of its own
- K200076: Breezing Med (2020), 0 descendants of its own

Source page: https://510kreport.com/device/K955432
Methodology: https://510kreport.com/methodology