# K913749: Edentrace Airflow 3171/Sleep Lab Airflow 3170

- Pathway: 510(k) (Traditional)
- Applicant: Edentec Corp.
- Decided: Jul 2, 1992 after 316 days
- Product code: BZQ (Monitor, Breathing Frequency)
- Device class: 2
- Regulation: 21 CFR 868.2375
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
3 later devices descend from it; 2 cite it directly.
0 of 4 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
- K990321: Alphamed Gemini Sensor, Snoring Sensor (1999), 1 descendant of its own
- K180001: Disposable BreathSensor Adult, Disposable BreathSensor Small Adult / Child, Disposable BreathSensor Preemie, Disposable BreathSensor Infant (2019), 0 descendants of its own
- K040069: Dymedix Reusable Airflow/Snore Sensor (2004), 0 descendants of its own

Source page: https://510kreport.com/device/K913749
Methodology: https://510kreport.com/methodology