# K002499: Brentwood Iqmark Digital Spirometer (Includes Disposable Pneumotach Mouthpieces and 3-Liter Calibration Syringe

- Pathway: 510(k) (Traditional)
- Applicant: Brentwood Medical Technology Corp.
- Decided: Nov 8, 2000 after 86 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.
7 later devices descend from it; 2 cite it directly.
0 of 8 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
- K090034: Easy on-PC Spirometer (2009), 5 descendants of its own
- K123896: CCS-200 Spirometer (2013), 4 descendants of its own
- K130322: SPM-300 (2013), 3 descendants of its own
- K220535: Cardio10 (2022), 2 descendants of its own
- K231160: Cardio Q50, Cardio Q70 (2023), 0 descendants of its own

Source page: https://510kreport.com/device/K002499
Methodology: https://510kreport.com/methodology