# K971354: Knott NG Tube

- Pathway: 510(k) (Traditional)
- Applicant: Michael M. Knott, M.D.
- Decided: Nov 19, 1997 after 222 days
- Product code: FEG (Tube, Double Lumen For Intestinal Decompression And/Or Intubation)
- 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
Longest line of descent: 1 generation back to K810156 (1981). 1 ancestor in all.
8 later devices descend from it; 1 cites it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K810156: Argyle Salem Sump Tube, Sherwood Medical Co. (1981) Summary page 1.

## Most influential descendants
- K020005: Infant Feeding Tubes (2002), 7 descendants of its own
- K052903: Pediatric Feeding Tube (2005), 6 descendants of its own
- K072756: Non-IV Adapter for Infant NG Tube (2007), 5 descendants of its own
- K082710: Safechild Enteral Feeding Tube and Accessories and Feeding Tube Extension Set (2009), 4 descendants of its own
- K092628: Enteral Feeding Tube and Accessories, Feeding Tube Extension Set (2010), 2 descendants of its own

## Indications for use
To permit withdrawal, introduction of fluids into the stomach or removal of stomach gas via a tube inserted through the nostril.

Source page: https://510kreport.com/device/K971354
Methodology: https://510kreport.com/methodology