510(k) Report

510(k) · Cleared

Cleared

Tracheoscopic Ventilation Tube (TVT) System

K052233510(k) TraditionalCleared Dec 13, 2005118-day reviewClass II21 CFR 868.5730

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

Etview, Ltd. · BTR Tube, Tracheal (W/Wo Connector)

Cleared on Dec 13, 2005 as substantially equivalent to K973191 (Pulmonx, 1998) and 1 other predicate after a 118-day review. Its family tree reaches back 2 generations to 1982. 2 of the 20 devices in its family, counting itself, have a Class I recall. 16 later devices descend from it.

Decided
Dec 13, 2005
Review
118 days
Class
Class II
Product code
BTR
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K822082 (1982). 3 ancestors in all. 16 later devices descend from it, 3 citing it directly. 2 of the 20 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1998: 1 other ancestor2010: 2 descendants cleared2008: 1 descendant cleared2009: 2 descendants cleared2012: 2 descendants cleared2016: 2 descendants cleared2013: 1 descendant cleared2018: 2 descendants cleared2020: 1 descendant cleared, 1 with a Class I recall12025: 1 descendant cleared2021: 1 descendant cleared2024: 1 descendant clearedK822082 · Sheridan/HVT,CF, Uncuffed · Sheridan Catheter Corp. · 1982 · Class I recallK984528 · Parker Flex-Tip Tracheal Tube · Parker Medical Assoc. · 1999 · recalled19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 4 descendants3 generations forward: 4 descendants4 generations forward: 3 descendants, 1 with a Class I recall15 generations forward: 1 descendant6 generations forward: 1 descendant K984528 · Parker Flex-Tip Tracheal Tube · Parker Medical Assoc. · 1999 · recalledK822082 · Sheridan/HVT,CF, Uncuffed · Sheridan Catheter Corp. · 1982 · Class I recall0+5
  1. Root · 2 generations backK822082 Sheridan/HVT,CF, UncuffedSheridan Catheter Corp. · 1982 · Recalled (Class I)
  2. 1 generation backK984528 Parker Flex-Tip Tracheal TubeParker Medical Assoc. · 1999 · Recalled
  3. This deviceK052233 Tracheoscopic Ventilation Tube (TVT) SystemEtview, Ltd. · 2005
  4. Descendant · cites it directly · 14 of its ownK082420 Tracheoscopic Ventilation Tube (TVT)Etview · 2008
  5. Descendant · 2 generations on · 4 of its ownK113576 Double Lumen Video Tracheosdope (DLVT) SystemEtview, Ltd. · 2012
  6. Descendant · 3 generations on · 3 of its ownK123853 Vivasight-DL SystemEtview, Ltd. · 2013
  7. Descendant · 2 generations on · 3 of its ownK121028 Etview Tracheoscopic Ventilation Tube (TVT (TM))Etview, Ltd. · 2012
  8. Descendant · 2 generations on · 3 of its ownK090777 Ezc Medical, LLC IntubaidflexEzc Medical, LLC · 2009

Showing 5 of 16 descendants. See all descendants

Descendants cleared per year

2008: 12009: 22010: 22012: 22013: 12016: 22018: 22020: 12021: 12024: 12025: 1
2008high 2 (2009) · low 0 (2011)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 16 · See all
  • K082420Tracheoscopic Ventilation Tube (TVT)Etview · 2008 · cites it directly14descendants
  • K113576Double Lumen Video Tracheosdope (DLVT) SystemEtview, Ltd. · 2012 · 2 generations on4descendants
  • K123853Vivasight-DL SystemEtview, Ltd. · 2013 · 3 generations on3descendants
  • K121028Etview Tracheoscopic Ventilation Tube (TVT (TM))Etview, Ltd. · 2012 · 2 generations on3descendants
  • K090777Ezc Medical, LLC IntubaidflexEzc Medical, LLC · 2009 · 2 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K822082Sheridan/HVT,CF, UncuffedSheridan Catheter Corp.1982Class I
−1K984528Parker Flex-Tip Tracheal TubeParker Medical Assoc.19991
0 (this device)K052233Tracheoscopic Ventilation Tube (TVT) SystemEtview, Ltd.2005—
+1K082420Tracheoscopic Ventilation Tube (TVT)Etview2008—
+2K113576Double Lumen Video Tracheosdope (DLVT) SystemEtview, Ltd.2012—
+3K123853Vivasight-DL SystemEtview, Ltd.2013—
+2K121028Etview Tracheoscopic Ventilation Tube (TVT (TM))Etview, Ltd.2012—
+2K090777Ezc Medical, LLC IntubaidflexEzc Medical, LLC2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200810
200920
201020
201220
201310
201620
201820
202011
202110
202410
202510
FIG. 1 — Lineage of K052233, 1982–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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.

2 devices in this family have a Class I recall. A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new BTR device

  1. #1 K251794 Tenax® Laser Resistant Endotracheal Tubescore 12.6 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

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
*K973191The Visualized Endotracheal Tube System or Vett System
Summary page 2
…racy compared to the existing cleared device. F. Identification of Legally Marketed Predicate Devices: Pulmonx Visualized Endotracheal Tube (VETT) (K97319 1) Parker Medical Flex -Tip Endotracheal Tube (K(984528) G. Performance Standards or Special Controls: The ET…
Pulmonx1998—
*K984528Parker Flex-Tip Tracheal Tube
Summary page 3
…nology as the cleared VETT except for the different type of camera and illumination. The TVT has two Murphy eyes like the Parker Medical Flex -Tip Endotracheal Tube (K984528), and an additional lens clearing lumen. The inherent radiopacity of the TVT obviates the need for a radiopaque strip. The min…
Parker Medical Assoc.19991

What descends from it? (16)

See all 16

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K082420Tracheoscopic Ventilation Tube (TVT)Etview200814
K093186Ambu Ascope and MonitorAmbu A/S20100
K082038Clarus Video Airway Endoscope, Models 30000-V and 30003-VClarus Medical, LLC20090

Has anything in its family been recalled? (2 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K822082Sheridan/HVT,CF, UncuffedSheridan Catheter Corp. · 1982 · 2 generations back · ◆ on the line of descent in FIG. 117 Class I recalls
  • K193058SonarMed AirWave Airway Monitoring SystemSonarmed, Inc. · 2020 · 4 generations on · ◆ in the 2020 descendants bar of FIG. 14 Class I recalls

What does this lineage say?

  • The line of descent spans 23 years and passes through 3 companies; a new generation was cleared every 16.9 years on median.
  • 2 of the 3 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K082420 (Etview, 2008) has gone furthest, with 14 descendants of its own.

How does its category compare?

All BTR devices

BTR Tube, Tracheal (W/Wo Connector): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BTR

7in 2025

2007: 12008: 72009: 72010: 32011: 22012: 52013: 12014: 32015: 32016: 12017: 22018: 52019: 52020: 32021: 12022: 12023: 12024: 12025: 72026 (partial year): 2
2007high 7 (2008) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BTR

258in 2025

2008: 61 days median2009: 135 days median2010: 179 days median2012: 261 days median2014: 308 days median2015: 262 days median2018: 242 days median2019: 211 days median2020: 246 days median2025: 258 days median
2007high 308 (2014) · low 61 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · BTR

3in 2022

2007: 22009: 212014: 20, 19 Class I2016: 12020: 1, 1 Class I2021: 22022: 32026 (partial year): 1
2007high 21 (2009) · low 0 (2008)2026

Class I (20 since 2007) Class II/III not classified

Adverse event reports per year · BTR

1,799in 2025

2007: 1362008: 1692009: 1552010: 3352011: 4222012: 5112013: 8072014: 9852015: 1,0162016: 8362017: 8122018: 9772019: 1,3792020: 1,0702021: 1,3292022: 1,1322023: 1,3302024: 1,6782025: 1,799
2007high 1,799 (2025) · low 136 (2007)2025

MAUDE reports naming product code BTR, 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
20071—2136
20087610169
2009713521155
201031790335
20112—0422
201252610511
20131—0807
2014330820 (19)985
2015326201,016
20161—1836
20172—0812
201852420977
2019521101,379
202032461 (1)1,070
20211—21,329
20221—31,132
20231—01,330
20241—01,678
2025725801,799
20262—1—

What is it indicated for?

The ETView Tracheoscopic Ventilation Tube (TVT) is intended for intubation procedures.

The ETView Tracheoscopic Ventilation Tube (TVT) is indicated for use as a temporary artificial airway in adults requiring mechanical ventilation. It is intended for oral and nasal intubations.

The TVT System is indicated for viewing during non-difficult and difficult intubation procedures, for verifying tube placement and repositioning, for viewing during suctioning and for general inspection of the airway.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K052233: Tracheoscopic Ventilation Tube (TVT) System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K052233

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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