510(k) Report

510(k) · Cleared

Cleared

CARTO ENT System

K161701510(k) TraditionalCleared Oct 24, 2016126-day reviewClass II21 CFR 882.4560

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

Biosense Webster · PGW Ear, Nose, And Throat Stereotaxic Instrument

Cleared on Oct 24, 2016 as substantially equivalent to K133573 (Fiagon GmbH, 2014) after a 126-day review. Its family tree reaches back 4 generations to 1994. 3 of the 17 devices in its family, counting itself, have a Class I recall. 3 later devices descend from it.

Decided
Oct 24, 2016
Review
126 days
Class
Class II
Product code
PGW
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K911783 (1994). 13 ancestors in all, the oldest K871046 (1987). 3 later devices descend from it, 1 citing it directly. 3 of the 17 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor1998: 2 other ancestors, 2 with a Class I recall21996: 2 other ancestors, 1 with a Class I recall11995: 3 other ancestors1987: 1 other ancestor2018: 1 descendant cleared2020: 1 descendant cleared2023: 1 descendant clearedReference device: K133916 · Carto 3 EP Navigation System, Version 4.2 · Biosense Webster, Inc. · 2014 · recalledK911783 · Allegro Viewing Wand · I.S.G. Technologies, Inc. · 1994K960714 · Isg Viewing Wand · I.S.G. Technologies, Inc. · 1996K964229 · Regulus Navigator · Compass Intl., Inc. · 1997K133573 · Fiagon Navigation System · Fiagon GmbH · 20141990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 3 other ancestors, 2 with a Class I recall23 generations back: 4 other ancestors, 1 with a Class I recall14 generations back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 1 descendant K133573 · Fiagon Navigation System · Fiagon GmbH · 2014K964229 · Regulus Navigator · Compass Intl., Inc. · 1997K960714 · Isg Viewing Wand · I.S.G. Technologies, Inc. · 1996K911783 · Allegro Viewing Wand · I.S.G. Technologies, Inc. · 19940
  1. Root · 4 generations backK911783 Allegro Viewing WandI.S.G. Technologies, Inc. · 1994
  2. 3 generations backK960714 Isg Viewing WandI.S.G. Technologies, Inc. · 1996
  3. 2 generations backK964229 Regulus NavigatorCompass Intl., Inc. · 1997
  4. 1 generation backK133573 Fiagon Navigation SystemFiagon GmbH · 2014
  5. This deviceK161701 CARTO ENT SystemBiosense Webster · 2016
  6. Descendant · cites it directly · 2 of its ownK173628 Acclarent ENT Navigation SystemAcclarent, Inc. · 2018
  7. Descendant · 2 generations on · 1 of its ownK192397 TruDi Navigation SystemBiosense Webster · 2020 · Recalled
  8. Descendant · 3 generations on · 0 of its ownK231862 TruDi® Navigation System V3 (FG-2000-00)Acclarent, Inc. · 2023 · Recalled

Class I recalls in this family

Most influential descendants

Showing 3 of 3 · See all
  • K173628Acclarent ENT Navigation SystemAcclarent, Inc. · 2018 · cites it directly2descendants
  • K192397TruDi Navigation SystemBiosense Webster · 2020 · 2 generations on1descendant
  • K231862TruDi® Navigation System V3 (FG-2000-00)Acclarent, Inc. · 2023 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K911783Allegro Viewing WandI.S.G. Technologies, Inc.1994—
−3K960714Isg Viewing WandI.S.G. Technologies, Inc.1996—
−2K964229Regulus NavigatorCompass Intl., Inc.1997—
−1K133573Fiagon Navigation SystemFiagon GmbH2014—
0 (this device)K161701CARTO ENT SystemBiosense Webster2016—
+1K173628Acclarent ENT Navigation SystemAcclarent, Inc.2018—
+2K192397TruDi Navigation SystemBiosense Webster20201
+3K231862TruDi® Navigation System V3 (FG-2000-00)Acclarent, Inc.20231

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199530
199621
199822
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202010
202310
FIG. 1 — Lineage of K161701, 1994–2023Source: 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.

3 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 PGW device

  1. #1 K261540 Cube 4D Navigation System, VirtuEye Proscore 12.9 · 6 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
*K133573Fiagon Navigation System
Summary page 4
…Manual Surgical Instrument (21 CFR 882.4560) Name: Product Code: PGW [807.92(a)(3)] Legally Marketed Devices Predicate Devices: Fiagon Navigation System (K133573) Reference Devices: CARTO 3 EP Navigation System (K133916) [807.92(a)(4)] Device Description The CA…
Fiagon GmbH2014—
†K133916Carto 3 EP Navigation System, Version 4.2Biosense Webster, Inc.20142

Also cleared against K133573: 7 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K173628Acclarent ENT Navigation SystemAcclarent, Inc.20182

Has anything in its family been recalled? (3 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.

  • K983529Instatrak 3000Visualization Technology, Inc. · 1998 · 2 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K960330InstatrakVisualization Technology, Inc. · 1996 · 2 generations back · ◆ in the 1996 ancestors bar of FIG. 11 Class I recall
  • K981998Pediatric Instatrak SystemVisualization Technology, Inc. · 1998 · 3 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 22 years and passes through 4 companies; a new generation was cleared every 2.5 years on median.
  • 5 of the 13 ancestors have a recall of any class; 3 have a Class I recall.
  • Of its descendants, K173628 (Acclarent, Inc., 2018) has gone furthest, with 2 descendants of its own.
  • 7 other devices also cite its predicate K133573.

How does its category compare?

All PGW devices

PGW Ear, Nose, And Throat Stereotaxic Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · PGW

1in 2025

2014: 42015: 12016: 92017: 42018: 22019: 12020: 82021: 12022: 22023: 22025: 12026 (partial year): 3
2007high 9 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PGW

100in 2020

2014: 116 days median2016: 115 days median2017: 125 days median2020: 100 days median2026 (partial year): 65 days median
2007high 125 (2017) · low 100 (2020)2026

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

Recalls per year · PGW

1in 2025

2019: 32021: 12023: 12025: 1
2007high 3 (2019) · low 0 (2007)2026

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

Adverse event reports per year · PGW

220in 2025

2014: 72015: 142016: 332017: 422018: 962019: 2472020: 1612021: 1902022: 1662023: 2002024: 2742025: 220
2007high 274 (2024) · low 0 (2007)2025

MAUDE reports naming product code PGW, 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—00
20090—00
20100—00
20110—00
20120—00
20130—00
2014411607
20151—014
20169115033
20174125042
20182—096
20191—3247
202081000161
20211—1190
20222—0166
20232—1200
20240—0274
20251—1220
20263650—

What is it indicated for?

The CARTO® ENT System is intended for use during intranasal and paranasal image-guided navigation procedures for

patients who are cligible for sinus procedures.

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. “K161701: CARTO ENT System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K161701

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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