# K905164: Tube Declogger

- Pathway: 510(k) (Traditional)
- Applicant: Nova Design Technologies, Ltd.
- Decided: Feb 13, 1991 after 89 days
- Product code: KNT (Tubes, Gastrointestinal (And Accessories))
- Device class: 2
- Regulation: 21 CFR 876.5980
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
8 later devices descend from it; 3 cite it directly.
0 of 9 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
- K121571: Tubeclear (2012), 6 descendants of its own
- K123659: Tube-Clear, Control Box (Component of Tubeclear), Clearing Stem (Component of Tubeclear) (2012), 4 descendants of its own
- K131052: Tubeclear Model 101 (with New Clearing Stem NE and G Models) (2013), 3 descendants of its own
- K163092: TubeClear Control Box and Clearing Stem (2016), 2 descendants of its own
- K200646: TubeClear System (2020), 0 descendants of its own

Source page: https://510kreport.com/device/K905164
Methodology: https://510kreport.com/methodology