510(k) Report

510(k) · Cleared

Recalled · Class II · 2024

Ambu VivaSight 2 DLT, Ambu VivaSight 2 Adapter Cable

K203749510(k) TraditionalCleared May 3, 2021131-day reviewClass II21 CFR 868.5740Recalls 2

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

Ambu A/S · CBI Tube, Tracheal/Bronchial, Differential Ventilation (W/Wo Connector)

Cleared on May 3, 2021 as substantially equivalent to K181886 (Etview, Ltd., 2018) after a 131-day review. Its family tree reaches back 7 generations to 1982. 1 of the 14 devices in its family, counting itself, has a Class I recall. 1 later device descends from it. It has been recalled 2 times.

Decided
May 3, 2021
Review
131 days
Class
Class II
Product code
CBI
Recalls
2
Predicates
1

Its longest line of descent runs back 7 generations to K822082 (1982). 12 ancestors in all, the oldest K771219 (1977). 1 later device descends from it, 1 citing it directly. 1 of the 14 devices in this family, counting this one, has a Class I recall.

  1. Root · 7 generations backK822082 Sheridan/HVT,CF, UncuffedSheridan Catheter Corp. · 1982 · Recalled (Class I)
  2. 6 generations backK984528 Parker Flex-Tip Tracheal TubeParker Medical Assoc. · 1999 · Recalled
  3. 5 generations backK052233 Tracheoscopic Ventilation Tube (TVT) SystemEtview, Ltd. · 2005
  4. 4 generations backK082420 Tracheoscopic Ventilation Tube (TVT)Etview · 2008
  5. 3 generations backK113576 Double Lumen Video Tracheosdope (DLVT) SystemEtview, Ltd. · 2012
  6. 2 generations backK123853 Vivasight-DL SystemEtview, Ltd. · 2013
  7. 1 generation backK181886 VivaSight-DL SystemEtview, Ltd. · 2018
  8. This deviceK203749 Ambu VivaSight 2 DLT, Ambu VivaSight 2 Adapter CableAmbu A/S · 2021
  9. Descendant · cites it directly · 0 of its ownK232529 Disposable Double Lumen Endobronchial TubeShenzhen Insighters Medical Technology Co., Ltd. · 2024

Class I recalls in this family

Most influential descendants

Showing 1 of 1 · See all
  • K232529Disposable Double Lumen Endobronchial TubeShenzhen Insighters Medical Technology Co., Ltd. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K822082Sheridan/HVT,CF, UncuffedSheridan Catheter Corp.1982Class I
−6K984528Parker Flex-Tip Tracheal TubeParker Medical Assoc.19991
−5K052233Tracheoscopic Ventilation Tube (TVT) SystemEtview, Ltd.2005—
−4K082420Tracheoscopic Ventilation Tube (TVT)Etview2008—
−3K113576Double Lumen Video Tracheosdope (DLVT) SystemEtview, Ltd.2012—
−2K123853Vivasight-DL SystemEtview, Ltd.2013—
−1K181886VivaSight-DL SystemEtview, Ltd.2018—
0 (this device)K203749Ambu VivaSight 2 DLT, Ambu VivaSight 2 Adapter CableAmbu A/S2021—
+1K232529Disposable Double Lumen Endobronchial TubeShenzhen Insighters Medical Technology Co., Ltd.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197710
199310
199810
200510
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K203749, 1982–2024Source: 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.

1 device in this family has 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 CBI device

  1. #1 K253096 Chartis Precision Catheterscore 12.0 · 5 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? (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
*K181886VivaSight-DL System
Summary page 4
…Class II Predicate device Substantial equivalence to the following legally marketed device is claimed: K181886 VivaSight-DL TM, ETView Ltd.…
Etview, Ltd.2018—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K232529Disposable Double Lumen Endobronchial TubeShenzhen Insighters Medical Technology Co., Ltd.20240

Has anything in its family been recalled? (1 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Sep 16, 2024Class IIZ-0261-2025Under Investigation by firmAmbu has received complaints on Ambu VivaSight 2 DLTs regarding hyper angulation of the distal end. The hyper angulation can lead to an increased risk of complications during intubation and potential airway injury.
Jun 3, 2022Class IIZ-1420-2022Under Investigation by firmFirm has received complaints on the device concerning leak/rupture of either the bronchial or tracheal cuff. Leakage during procedure could lead to loss of secure airway and will require re-intubation of patient.

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 · 7 generations back · ◆ on the line of descent in FIG. 117 Class I recalls

What does this lineage say?

  • The line of descent spans 39 years and passes through 5 companies; a new generation was cleared every 3.6 years on median.
  • 3 of the 12 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K232529 (Shenzhen Insighters Medical Technology Co., Ltd., 2024) has gone furthest, with 0 descendants of its own.

How does its category compare?

All CBI devices

CBI Tube, Tracheal/Bronchial, Differential Ventilation (W/Wo Connector): FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · CBI

1in 2024

2008: 12009: 12010: 22011: 12012: 32013: 12015: 12016: 22018: 22020: 12021: 22022: 12023: 12024: 12026 (partial year): 2
2007high 3 (2012) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CBI

134in 2012

2012: 134 days median
2007high 134 (2012)2026

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

Recalls per year · CBI

1in 2024

2019: 12024: 1
2007high 1 (2019) · low 0 (2007)2026

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

Adverse event reports per year · CBI

83in 2025

2007: 112008: 162009: 262010: 252011: 202012: 232013: 262014: 182015: 82016: 292017: 612018: 662019: 942020: 872021: 1592022: 1272023: 952024: 752025: 83
2007high 159 (2021) · low 8 (2015)2025

MAUDE reports naming product code CBI, 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—011
20081—016
20091—026
20102—025
20111—020
20123134023
20131—026
20140—018
20151—08
20162—029
20170—061
20182—066
20190—194
20201—087
20212—0159
20221—0127
20231—095
20241—175
20250—083
20262—0—

What is it indicated for?

Intubation with Ambu VivaSight 2 DLT is indicated for patients with pathological lung conditions or other medical conditions that require endobronchial intubation, mechanical ventilation and isolation of one lung from the other, e.g. for thoracic surgery.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203749: Ambu VivaSight 2 DLT, Ambu VivaSight 2 Adapter Cable.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K203749

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