# K914272: Koko Spirometer

- Pathway: 510(k) (Traditional)
- Applicant: Ferraris Respiratory, Inc.
- Decided: Jul 2, 1992 after 282 days
- Product code: BZG (Spirometer, Diagnostic)
- Device class: 2
- Regulation: 21 CFR 868.1840
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
14 later devices descend from it; 2 cite it directly.
0 of 15 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
- K051572: Koko Legend (2005), 7 descendants of its own
- K100687: Vitalograph Hand Held Spirometer, Model 2120 (2010), 6 descendants of its own
- K973314: Spirosafe Filter (1997), 5 descendants of its own
- K200550: Vitalograph Model 2120 In2itive eDiary (2020), 2 descendants of its own
- K043148: All Flow Pulmonary Function Filter (2004), 2 descendants of its own

Source page: https://510kreport.com/device/K914272
Methodology: https://510kreport.com/methodology