510(k) Report

510(k) · Cleared

Cleared

Next Generation Balloon Dilation System

K201115510(k) TraditionalCleared Aug 27, 2020122-day reviewClass I21 CFR 874.4420

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

Acclarent, Inc. · LRC Instrument, Ent Manual Surgical

Cleared on Aug 27, 2020 as substantially equivalent to K171761 (Acclarent, Inc., 2018) and 2 other predicates after a 122-day review. Its family tree reaches back 22 generations to 1994. 3 of the 112 devices in its family, counting itself, have a Class I recall.

Decided
Aug 27, 2020
Review
122 days
Class
Class I
Product code
LRC
Recalls
None
Predicates
3

Its longest line of descent runs back 22 generations to K936109 (1994). 111 ancestors in all, the oldest K800617 (1980). No later device cites it as a predicate yet. 3 of the 112 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year cleared 2017: 1 other ancestor2015: 1 other ancestor2016: 2 other ancestors2011: 2 other ancestors2007: 1 other ancestor2014: 3 other ancestors2008: 1 other ancestor2006: 1 other ancestor2005: 1 other ancestor1996: 11 other ancestors, 1 with a Class I recall12013: 1 other ancestor2000: 13 other ancestors1998: 9 other ancestors, 2 with a Class I recall21997: 5 other ancestors1995: 10 other ancestors1994: 5 other ancestors1987: 1 other ancestor2003: 1 other ancestor2002: 5 other ancestors2001: 3 other ancestors1992: 3 other ancestors1999: 1 other ancestor1980: 1 other ancestor1993: 1 other ancestor1991: 3 other ancestors1990: 1 other ancestor1989: 1 other ancestor1986: 1 other ancestorReference device: K190532 · TruDi NAV Wire · Acclarent, Inc. · 2019K936109 · Sharplan Model 1120 CO2 Surgical Laser · Sharplan Lasers, Inc. · 1994K960521 · Sharplan Lasers, Inc. Silktouch Flash Scanner · Sharplan Lasers, Inc. · 1996K963339 · Coherent Ultrapulse CO2 Surgical Lasers · Coherent Medical Group · 1997K974789 · Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and L · Lumenis, Inc. · 1998K990947 · Modified Versapulse Select Single Wavelength, HO: Yag and Dual Wavelength, HO: Yag/ND: Yag Surgical Lasers and Delivery · Lumenis, Inc. · 1999K011703 · Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength (HO:Yag/ND:Yag) Surgical Lasers and Delivery Devices · Lumenis · 2001 · recalled×2: 2 generations cleared close together, K014290 (2002), K021364 (2002) K030108 · Arthrocare Ent Coblator Surgery System · Arthrocare Corp. · 2003 · recalledK034004 · Diego RF Powered Dissector and Drill System Console · Gyrus Ent LLC · 2004×2: 2 generations cleared close together, K072302 (2008), K081542 (2008) K093007 · Entellus Medical Balloon Device · Entellus Medical, Inc. · 2010K102003 · Xpress Balloon Device · Entellus Medical, Inc. · 2010×3: 3 generations cleared close together, K112506 (2011), K121174 (2012), K121943 (2012) K132440 · Xpress Multi-Sinus Dilation Tool · Entellus Medical, Inc. · 2013K142252 · XprESS Multi-Sinus Dilation Tool · Entellus Medical, Inc. · 2014K152434 · XprESS Multi-Sinus Dilation System · Entellus Medical, Inc. · 2015K163509 · XprESS ENT Dilation System · Entellus Medical, Inc. · 2017K171761 · ACCLARENT AERA Eustachian Tube Balloon Dilation System · Acclarent, Inc. · 201819801990200020102020
Other ancestors, by generation 1 generation back: 2 other ancestors2 generations back: 5 other ancestors3 generations back: 2 other ancestors4 generations back: 5 other ancestors, 1 with a Class I recall15 generations back: 4 other ancestors, 1 with a Class I recall16 generations back: 7 other ancestors, 1 with a Class I recall17 generations back: 8 other ancestors8 generations back: 11 other ancestors9 generations back: 16 other ancestors10 generations back: 9 other ancestors11 generations back: 11 other ancestors12 generations back: 5 other ancestors13 generations back: 3 other ancestors14 generations back: 1 other ancestor K171761 · ACCLARENT AERA Eustachian Tube Balloon Dilation System · Acclarent, Inc. · 2018K163509 · XprESS ENT Dilation System · Entellus Medical, Inc. · 2017K152434 · XprESS Multi-Sinus Dilation System · Entellus Medical, Inc. · 2015K142252 · XprESS Multi-Sinus Dilation Tool · Entellus Medical, Inc. · 2014K132440 · Xpress Multi-Sinus Dilation Tool · Entellus Medical, Inc. · 2013K121943 · Xpress Multi-Sinus Dilation Tool · Entellus Medical, Inc. · 2012K121174 · Xpress Multi-Sinus Dilation Tool · Entellus Medical, Inc. · 2012K112506 · Xpress Multi-Sinus Dilation Tool · Entellus Medical, Inc. · 2011K102003 · Xpress Balloon Device · Entellus Medical, Inc. · 2010K093007 · Entellus Medical Balloon Device · Entellus Medical, Inc. · 2010K081542 · Modification to Entellus Medical RS-Series System · Entellus Medical, Inc. · 2008K072302 · Entellus Medical RS-Series System · Entellus Medical, Inc. · 2008K034004 · Diego RF Powered Dissector and Drill System Console · Gyrus Ent LLC · 2004K030108 · Arthrocare Ent Coblator Surgery System · Arthrocare Corp. · 2003 · recalledK021364 · Modification to Entec Plasma Wands · Arthrocare Corp. · 2002K014290 · Entec Plasma Wands · Arthrocare Corp. · 2002K011703 · Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength (HO:Yag/ND:Yag) Surgical Lasers and Delivery Devices · Lumenis · 2001 · recalledK990947 · Modified Versapulse Select Single Wavelength, HO: Yag and Dual Wavelength, HO: Yag/ND: Yag Surgical Lasers and Delivery · Lumenis, Inc. · 1999K974789 · Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and L · Lumenis, Inc. · 1998K963339 · Coherent Ultrapulse CO2 Surgical Lasers · Coherent Medical Group · 1997K960521 · Sharplan Lasers, Inc. Silktouch Flash Scanner · Sharplan Lasers, Inc. · 1996K936109 · Sharplan Model 1120 CO2 Surgical Laser · Sharplan Lasers, Inc. · 1994−20−15−10−50
  1. Root · 22 generations backK936109 Sharplan Model 1120 CO2 Surgical LaserSharplan Lasers, Inc. · 1994
  2. 18 generations between
  3. 3 generations backK152434 XprESS Multi-Sinus Dilation SystemEntellus Medical, Inc. · 2015
  4. 2 generations backK163509 XprESS ENT Dilation SystemEntellus Medical, Inc. · 2017
  5. 1 generation backK171761 ACCLARENT AERA Eustachian Tube Balloon Dilation SystemAcclarent, Inc. · 2018
  6. This deviceK201115 Next Generation Balloon Dilation SystemAcclarent, Inc. · 2020
Show all 22 generations
  1. Root · 22 generations backK936109 Sharplan Model 1120 CO2 Surgical LaserSharplan Lasers, Inc. · 1994
  2. 21 generations backK960521 Sharplan Lasers, Inc. Silktouch Flash ScannerSharplan Lasers, Inc. · 1996
  3. 20 generations backK963339 Coherent Ultrapulse CO2 Surgical LasersCoherent Medical Group · 1997
  4. 19 generations backK974789 Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and LLumenis, Inc. · 1998
  5. 18 generations backK990947 Modified Versapulse Select Single Wavelength, HO: Yag and Dual…Lumenis, Inc. · 1999
  6. 17 generations backK011703 Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength…Lumenis · 2001 · Recalled
  7. 16 generations backK014290 Entec Plasma WandsArthrocare Corp. · 2002
  8. 15 generations backK021364 Modification to Entec Plasma WandsArthrocare Corp. · 2002
  9. 14 generations backK030108 Arthrocare Ent Coblator Surgery SystemArthrocare Corp. · 2003 · Recalled
  10. 13 generations backK034004 Diego RF Powered Dissector and Drill System ConsoleGyrus Ent LLC · 2004
  11. 12 generations backK072302 Entellus Medical RS-Series SystemEntellus Medical, Inc. · 2008
  12. 11 generations backK081542 Modification to Entellus Medical RS-Series SystemEntellus Medical, Inc. · 2008
  13. 10 generations backK093007 Entellus Medical Balloon DeviceEntellus Medical, Inc. · 2010
  14. 9 generations backK102003 Xpress Balloon DeviceEntellus Medical, Inc. · 2010
  15. 8 generations backK112506 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2011
  16. 7 generations backK121174 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2012
  17. 6 generations backK121943 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2012
  18. 5 generations backK132440 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2013
  19. 4 generations backK142252 XprESS Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2014
  20. 3 generations backK152434 XprESS Multi-Sinus Dilation SystemEntellus Medical, Inc. · 2015
  21. 2 generations backK163509 XprESS ENT Dilation SystemEntellus Medical, Inc. · 2017
  22. 1 generation backK171761 ACCLARENT AERA Eustachian Tube Balloon Dilation SystemAcclarent, Inc. · 2018
  23. This deviceK201115 Next Generation Balloon Dilation SystemAcclarent, Inc. · 2020

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−22K936109Sharplan Model 1120 CO2 Surgical LaserSharplan Lasers, Inc.1994—
−21K960521Sharplan Lasers, Inc. Silktouch Flash ScannerSharplan Lasers, Inc.1996—
−20K963339Coherent Ultrapulse CO2 Surgical LasersCoherent Medical Group1997—
−19K974789Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and LLumenis, Inc.1998—
−18K990947Modified Versapulse Select Single Wavelength, HO: Yag and Dual Wavelength, HO…Lumenis, Inc.1999—
−17K011703Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength…Lumenis20012
−16K014290Entec Plasma WandsArthrocare Corp.2002—
−15K021364Modification to Entec Plasma WandsArthrocare Corp.2002—
−14K030108Arthrocare Ent Coblator Surgery SystemArthrocare Corp.20031
−13K034004Diego RF Powered Dissector and Drill System ConsoleGyrus Ent LLC2004—
−12K072302Entellus Medical RS-Series SystemEntellus Medical, Inc.2008—
−11K081542Modification to Entellus Medical RS-Series SystemEntellus Medical, Inc.2008—
−10K093007Entellus Medical Balloon DeviceEntellus Medical, Inc.2010—
−9K102003Xpress Balloon DeviceEntellus Medical, Inc.2010—
−8K112506Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc.2011—
−7K121174Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc.2012—
−6K121943Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc.2012—
−5K132440Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc.2013—
−4K142252XprESS Multi-Sinus Dilation ToolEntellus Medical, Inc.2014—
−3K152434XprESS Multi-Sinus Dilation SystemEntellus Medical, Inc.2015—
−2K163509XprESS ENT Dilation SystemEntellus Medical, Inc.2017—
−1K171761ACCLARENT AERA Eustachian Tube Balloon Dilation SystemAcclarent, Inc.2018—
0 (this device)K201115Next Generation Balloon Dilation SystemAcclarent, Inc.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198010
198610
198710
198910
199010
199130
199230
199310
199450
1995100
1996111
199750
199892
199910
2000130
200130
200250
200310
200510
200610
200710
200810
201120
201310
201430
201510
201620
201710
FIG. 1 — Lineage of K201115, 1994–2020Source: 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 LRC device

  1. #1 K230258 BB 8 Sinus Dilation Kitscore 11.1 · 20 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? (3)

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
*K171761ACCLARENT AERA Eustachian Tube Balloon Dilation System
Summary page 4
…rketed Devices ® Primary Predicate Device: Acclarent AERA Eustachian Tube Balloon Dilation System (K171761) Secondary Predicate Relieva SpinPlus® Nav Balloon Sinuplasty System (K171687) Devices: Relie…
Acclarent, Inc.2018—
*K171687Relieva SpinPlus Nav Balloon Sinuplasty System
Summary page 4
…arent AERA Eustachian Tube Balloon Dilation System (K171761) Secondary Predicate Relieva SpinPlus® Nav Balloon Sinuplasty System (K171687) Devices: Relieva SpinPlus® Balloon Sinuplasty System (K143541) Reference Device: Acclarent…
Acclarent, Inc.2017—
*K143541Relieva SpinPlus Balloon Sinuplasty System
Summary page 4
…) Secondary Predicate Relieva SpinPlus® Nav Balloon Sinuplasty System (K171687) Devices: Relieva SpinPlus® Balloon Sinuplasty System (K143541) Reference Device: Acclarent TruDi NAV Wire (K190532) Next Generation Balloon Dilation System…
Acclarent, Inc.2015—
†K190532TruDi NAV WireAcclarent, Inc.2019—

Also cleared against K171761: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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.

  • K960330InstatrakVisualization Technology, Inc. · 1996 · 4 generations back · ◆ in the 1996 ancestors bar of FIG. 11 Class I recall
  • K983529Instatrak 3000Visualization Technology, Inc. · 1998 · 5 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K981998Pediatric Instatrak SystemVisualization Technology, Inc. · 1998 · 6 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 26 years and passes through 8 companies; a new generation was cleared every 1.1 years on median.
  • 12 of the 111 ancestors have a recall of any class; 3 have a Class I recall.
  • 3 other devices also cite its predicate K171761.

How does its category compare?

All LRC devices

LRC Instrument, Ent Manual Surgical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · LRC

1in 2023

2008: 22009: 12010: 22011: 62012: 72013: 72014: 32015: 62016: 32017: 22018: 12019: 12020: 42022: 12023: 1
2007high 7 (2012) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LRC

131in 2020

2011: 106 days median2012: 50 days median2013: 104 days median2014: 29 days median2015: 105 days median2016: 100 days median2020: 131 days median
2007high 131 (2020) · low 29 (2014)2026

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

Recalls per year · LRC

1in 2024

2023: 12024: 1
2007high 1 (2023) · low 0 (2007)2026

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

Adverse event reports per year · LRC

44in 2025

2007: 12009: 82010: 112011: 142012: 482013: 532014: 532015: 412016: 392017: 322018: 422019: 192020: 202021: 232022: 252023: 142024: 512025: 44
2007high 53 (2013) · low 0 (2008)2025

MAUDE reports naming product code LRC, 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—01
20082—00
20091—08
20102—011
20116106014
2012750048
20137104053
2014329053
20156105041
20163100039
20172—032
20181—042
20191—019
20204131020
20210—023
20221—025
20231—114
20240—151
20250—044
20260—0—

What is it indicated for?

The NGB Balloon Dilation System is intended to provide a means to access the sinus space within and across nasal and sinus structures; dilate the sinus ostia and spaces associated with the paranasal sinus cavities for diagnostic and therapeutic procedures; irrigate from within a target sinus; suction throughout therapeutic procedures and to facilitate diagnostic procedures. For children aged 17 and under, the NGB Balloon Dilation System is intended to…

Read the full statement (221 words)

The NGB Balloon Dilation System is intended to provide a means to access the sinus space within and across nasal and sinus structures; dilate the sinus ostia and spaces associated with the paranasal sinus cavities for diagnostic and therapeutic procedures; irrigate from within a target sinus; suction throughout therapeutic procedures and to facilitate diagnostic procedures.

For children aged 17 and under, the NGB Balloon Dilation System is intended to provide a means to access the sinus space within and across nasal and sinus structures; dilate sinus ostia and spaces associated with the maxillary sinus for diagnostic and therapeutic procedures; irrigate from within the maxillary sinus; suction throughout therapeutic procedures and to facilitate diagnostic procedures.

The NGB Balloon Dilation System is intended to dilate the cartilaginous Eustachian tube for treatment of persistent Eustachian tube dysfunction in patients ages 18 and older.

The NGB Balloon Dilation System with the navigation guidewire may be utilized in conjunction with the TruDi™ Navigation System, to help direct access to nasal and paranasal spaces, and to confirm placement in the targeted anatomy. NGB may be utilized in conjunction with the TruDi™ NAV Wire to confirm placement of the balloon in the Eustachian tube.

The NGB Balloon Dilation System with the illumination guidewire may be utilized to illuminate within and provide transcutaneous illumination across nasal and sinus structures.

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. “K201115: Next Generation Balloon Dilation System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K201115

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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