# K002622: Biosleep

- Pathway: 510(k) (Traditional)
- Applicant: Oxford Biosignals Limited
- Decided: Oct 23, 2000 after 61 days
- Product code: OLZ (Automatic Event Detection Software For Polysomnograph With Electroencephalograph)
- Device class: 2
- Regulation: 21 CFR 882.1400
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
26 later devices descend from it; 1 cites it directly.
0 of 27 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
- K080427: Watch-Pat Model 100S-2 (2008), 25 descendants of its own
- K081982: Watch-Pat 200S-2 (WP200S-2) (2008), 24 descendants of its own
- K102567: Watch-Pat 200S-3 (WP200S-3) (2011), 23 descendants of its own
- K133859: Watch-PAT200U (WP200U) (2014), 22 descendants of its own
- K161579: Watch-PAT200U (2017), 20 descendants of its own

Source page: https://510kreport.com/device/K002622
Methodology: https://510kreport.com/methodology