# K894337: Univent Tube 7.0MM, 7.5MM, 8.0MM, 8.5MM, 9.0MM

- Pathway: 510(k) (Traditional)
- Applicant: Vitaid, Ltd.
- Decided: Sep 29, 1989 after 77 days
- Product code: CBI (Tube, Tracheal/Bronchial, Differential Ventilation (W/Wo Connector))
- Device class: 2
- Regulation: 21 CFR 868.5740
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
15 later devices descend from it; 1 cites it directly.
0 of 16 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
- K021920: 7.0 FR. Endobronchial Blocker (2002), 14 descendants of its own
- K071694: Coopdech Endobronchial Blocker Tube, Models BBT-A30XXX, BBT-B30XXX (2008), 8 descendants of its own
- K093888: Coopdech Endobronchial Blocker Tube (2010), 6 descendants of its own
- K121028: Etview Tracheoscopic Ventilation Tube (TVT (TM)) (2012), 3 descendants of its own
- K083883: Chartis Catheter (2009), 3 descendants of its own

Source page: https://510kreport.com/device/K894337
Methodology: https://510kreport.com/methodology