510(k) Report

510(k) · Cleared

Cleared

Knott NG Tube

K971354510(k) TraditionalCleared Nov 19, 1997222-day reviewClass II21 CFR 876.5980

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Michael M. Knott, M.D. · FEG Tube, Double Lumen For Intestinal Decompression And/Or Intubation

Cleared on Nov 19, 1997 as substantially equivalent to K810156 (Sherwood Medical Co., 1981) after a 222-day review. Its family tree reaches back 1 generation to 1981. 8 later devices descend from it.

Decided
Nov 19, 1997
Review
222 days
Class
Class II
Product code
FEG
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K810156 (1981). 8 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2002: 1 descendant cleared2010: 2 descendants cleared2005: 1 descendant cleared2007: 1 descendant cleared2009: 1 descendant cleared2017: 1 descendant cleared2012: 1 descendant clearedK810156 · Argyle Salem Sump Tube · Sherwood Medical Co. · 1981 · recalled19801990200020102020
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 2 descendants3 generations forward: 4 descendants4 generations forward: 1 descendant K810156 · Argyle Salem Sump Tube · Sherwood Medical Co. · 1981 · recalled0
  1. Root · 1 generation backK810156 Argyle Salem Sump TubeSherwood Medical Co. · 1981 · Recalled
  2. This deviceK971354 Knott NG TubeMichael M. Knott, M.D. · 1997
  3. Descendant · cites it directly · 7 of its ownK020005 Infant Feeding TubesPromedic, Inc. · 2002
  4. Descendant · 2 generations on · 6 of its ownK052903 Pediatric Feeding TubePromedic, Inc. · 2005
  5. Descendant · 3 generations on · 5 of its ownK072756 Non-IV Adapter for Infant NG TubePromedic, Inc. · 2007
  6. Descendant · 3 generations on · 4 of its ownK082710 Safechild Enteral Feeding Tube and Accessories and Feeding Tube…Neochild, LLC · 2009
  7. Descendant · 2 generations on · 2 of its ownK092628 Enteral Feeding Tube and Accessories, Feeding Tube Extension SetAlan Reid · 2010

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

2002: 12005: 12007: 12009: 12010: 22012: 12017: 1
2002high 2 (2010) · low 0 (2003)2026

Most influential descendants

Showing 5 of 8 · See all
  • K020005Infant Feeding TubesPromedic, Inc. · 2002 · cites it directly7descendants
  • K052903Pediatric Feeding TubePromedic, Inc. · 2005 · 2 generations on6descendants
  • K072756Non-IV Adapter for Infant NG TubePromedic, Inc. · 2007 · 3 generations on5descendants
  • K082710Safechild Enteral Feeding Tube and Accessories and Feeding Tube Extension SetNeochild, LLC · 2009 · 3 generations on4descendants
  • K092628Enteral Feeding Tube and Accessories, Feeding Tube Extension SetAlan Reid · 2010 · 2 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K810156Argyle Salem Sump TubeSherwood Medical Co.19813
0 (this device)K971354Knott NG TubeMichael M. Knott, M.D.1997—
+1K020005Infant Feeding TubesPromedic, Inc.2002—
+2K052903Pediatric Feeding TubePromedic, Inc.2005—
+3K072756Non-IV Adapter for Infant NG TubePromedic, Inc.2007—
+3K082710Safechild Enteral Feeding Tube and Accessories and Feeding Tube Extension SetNeochild, LLC2009—
+2K092628Enteral Feeding Tube and Accessories, Feeding Tube Extension SetAlan Reid2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200510
200710
200910
201020
201210
201710
FIG. 1 — Lineage of K971354, 1981–2017Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K810156Argyle Salem Sump Tube
Summary page 1
…ate Devices: page 1 of 2 November 19, 1997 Tel - 916-583-9371 Michael M. Knott, M.D. Knott nasogastric tube Nasogastric tube Nasogastric Sherwood - Salem Sump Tube - K810156 Device Description: The Knott NG tube is designed to permit withdrawal or introduction of fluids through a tube which is inser…
Sherwood Medical Co.19813

Also cleared against K810156: 1 other device →

What descends from it? (8)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K020005Infant Feeding TubesPromedic, Inc.20027

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has a recall.
  • Of its descendants, K020005 (Promedic, Inc., 2002) has gone furthest, with 7 descendants of its own.
  • 1 other device also cites its predicate K810156.

How does its category compare?

All FEG devices

FEG Tube, Double Lumen For Intestinal Decompression And/Or Intubation: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FEG

1in 2017

2013: 12017: 1
2007high 1 (2013) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FEG

Too few FEG 510(k)s in any year since 2007 to give a median.

Recalls per year · FEG

2in 2025

2023: 102025: 2
2007high 10 (2023) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · FEG

46in 2025

2008: 12009: 32010: 12012: 22013: 22014: 52015: 12016: 42017: 132018: 152019: 362020: 232021: 272022: 402023: 332024: 312025: 46
2007high 46 (2025) · low 0 (2007)2025

MAUDE reports naming product code FEG, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—01
20090—03
20100—01
20110—00
20120—02
20131—02
20140—05
20150—01
20160—04
20171—013
20180—015
20190—036
20200—023
20210—027
20220—040
20230—1033
20240—031
20250—246
20260—0—

What is it indicated for?

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

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K971354: Knott NG Tube.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K971354

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026