# K893665: Aerosol Inhalation Monitor

- Pathway: 510(k) (Traditional)
- Applicant: Vitalograph, Ltd.
- Decided: Aug 21, 1989 after 98 days
- Product code: BWF (Spirometer, Therapeutic (Incentive))
- Device class: 2
- Regulation: 21 CFR 868.5690
- 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. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K960593: Smartmist Asthma Managment System, Smartmist, Model Number SM-100/Smartmist Spirometry Airway, Model Number SA-100 (1996), 1 descendant of its own
- K051284: MD Turbo (2005), 0 descendants of its own

Source page: https://510kreport.com/device/K893665
Methodology: https://510kreport.com/methodology