# K181912: Ascent Cardiorespiratory Diagnostic Software

- Pathway: 510(k) (Traditional)
- Applicant: Medical Graphics Corporation
- Decided: Apr 12, 2019 after 269 days
- Product code: BTY (Calculator, Predicted Values, Pulmonary Function)
- Device class: 2
- Regulation: 21 CFR 868.1890
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
2 later devices descend from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Most influential descendants
- K242809: Ascent Cardiorespiratory Diagnostic Software (2024), 1 descendant of its own
- K260242: CPETWise Platform (2026), 0 descendants of its own

Source page: https://510kreport.com/device/K181912
Methodology: https://510kreport.com/methodology