510(k) · Cleared
ClearedXprESS Multi-Sinus Dilation System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Entellus Medical, Inc. · LRC Instrument, Ent Manual Surgical
Cleared on Nov 20, 2015 as substantially equivalent to K142252 (Entellus Medical, Inc., 2014) after an 85-day review. Its family tree reaches back 19 generations to 1994. 11 later devices descend from it.
- Decided
- Nov 20, 2015
- Review
- 85 days
- Class
- Class I
- Product code
- LRC
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 19 generations to K936109 (1994). 84 ancestors in all, the oldest K800617 (1980). 11 later devices descend from it, 2 citing it directly.
- Root · 19 generations backK936109 Sharplan Model 1120 CO2 Surgical LaserSharplan Lasers, Inc. · 1994
- 15 generations between
- 3 generations backK121943 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2012
- 2 generations backK132440 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2013
- 1 generation backK142252 XprESS Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2014
- This deviceK152434 XprESS Multi-Sinus Dilation SystemEntellus Medical, Inc. · 2015
- Descendant · cites it directly · 9 of its ownK163509 XprESS ENT Dilation SystemEntellus Medical, Inc. · 2017
- Descendant · 2 generations on · 5 of its ownK171761 ACCLARENT AERA Eustachian Tube Balloon Dilation SystemAcclarent, Inc. · 2018
- Descendant · 3 generations on · 1 of its ownK230742 ACCLARENT AERA Eustachian Tube Dilation SystemAcclarent, Inc. · 2023
- Descendant · 4 generations on · 0 of its ownK253612 Acclarent AERA Eustachian Tube Balloon Dilation SystemAcclarent, Inc. · 2026
- Descendant · 3 generations on · 0 of its ownK223542 TubaVent Balloon Dilatation SystemSpiggle & Theis Medizintechnik GmbH · 2023
Show all 19 generations
- Root · 19 generations backK936109 Sharplan Model 1120 CO2 Surgical LaserSharplan Lasers, Inc. · 1994
- 18 generations backK960521 Sharplan Lasers, Inc. Silktouch Flash ScannerSharplan Lasers, Inc. · 1996
- 17 generations backK963339 Coherent Ultrapulse CO2 Surgical LasersCoherent Medical Group · 1997
- 16 generations backK974789 Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and LLumenis, Inc. · 1998
- 15 generations backK990947 Modified Versapulse Select Single Wavelength, HO: Yag and Dual…Lumenis, Inc. · 1999
- 14 generations backK011703 Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength…Lumenis · 2001 · Recalled
- 13 generations backK014290 Entec Plasma WandsArthrocare Corp. · 2002
- 12 generations backK021364 Modification to Entec Plasma WandsArthrocare Corp. · 2002
- 11 generations backK030108 Arthrocare Ent Coblator Surgery SystemArthrocare Corp. · 2003 · Recalled
- 10 generations backK034004 Diego RF Powered Dissector and Drill System ConsoleGyrus Ent LLC · 2004
- 9 generations backK072302 Entellus Medical RS-Series SystemEntellus Medical, Inc. · 2008
- 8 generations backK081542 Modification to Entellus Medical RS-Series SystemEntellus Medical, Inc. · 2008
- 7 generations backK093007 Entellus Medical Balloon DeviceEntellus Medical, Inc. · 2010
- 6 generations backK102003 Xpress Balloon DeviceEntellus Medical, Inc. · 2010
- 5 generations backK112506 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2011
- 4 generations backK121174 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2012
- 3 generations backK121943 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2012
- 2 generations backK132440 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2013
- 1 generation backK142252 XprESS Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2014
- This deviceK152434 XprESS Multi-Sinus Dilation SystemEntellus Medical, Inc. · 2015
Showing 5 of 11 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 11 · See all- K163509XprESS ENT Dilation SystemEntellus Medical, Inc. · 2017 · cites it directly9descendants
- K171761ACCLARENT AERA Eustachian Tube Balloon Dilation SystemAcclarent, Inc. · 2018 · 2 generations on5descendants
- K230742ACCLARENT AERA Eustachian Tube Dilation SystemAcclarent, Inc. · 2023 · 3 generations on1descendant
- K253612Acclarent AERA Eustachian Tube Balloon Dilation SystemAcclarent, Inc. · 2026 · 4 generations on0descendants
- K223542TubaVent Balloon Dilatation SystemSpiggle & Theis Medizintechnik GmbH · 2023 · 3 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −19 | K936109 | Sharplan Model 1120 CO2 Surgical Laser | Sharplan Lasers, Inc. | 1994 | — |
| −18 | K960521 | Sharplan Lasers, Inc. Silktouch Flash Scanner | Sharplan Lasers, Inc. | 1996 | — |
| −17 | K963339 | Coherent Ultrapulse CO2 Surgical Lasers | Coherent Medical Group | 1997 | — |
| −16 | K974789 | Coherent Ultrapulse S Series CO2 Surgical Lasers Model C and L | Lumenis, Inc. | 1998 | — |
| −15 | K990947 | Modified Versapulse Select Single Wavelength, HO: Yag and Dual Wavelength, HO… | Lumenis, Inc. | 1999 | — |
| −14 | K011703 | Lumenis Versapulse Powersuite Holmium (HO:Yag) and Dual Wavelength… | Lumenis | 2001 | 2 |
| −13 | K014290 | Entec Plasma Wands | Arthrocare Corp. | 2002 | — |
| −12 | K021364 | Modification to Entec Plasma Wands | Arthrocare Corp. | 2002 | — |
| −11 | K030108 | Arthrocare Ent Coblator Surgery System | Arthrocare Corp. | 2003 | 1 |
| −10 | K034004 | Diego RF Powered Dissector and Drill System Console | Gyrus Ent LLC | 2004 | — |
| −9 | K072302 | Entellus Medical RS-Series System | Entellus Medical, Inc. | 2008 | — |
| −8 | K081542 | Modification to Entellus Medical RS-Series System | Entellus Medical, Inc. | 2008 | — |
| −7 | K093007 | Entellus Medical Balloon Device | Entellus Medical, Inc. | 2010 | — |
| −6 | K102003 | Xpress Balloon Device | Entellus Medical, Inc. | 2010 | — |
| −5 | K112506 | Xpress Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2011 | — |
| −4 | K121174 | Xpress Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2012 | — |
| −3 | K121943 | Xpress Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2012 | — |
| −2 | K132440 | Xpress Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2013 | — |
| −1 | K142252 | XprESS Multi-Sinus Dilation Tool | Entellus Medical, Inc. | 2014 | — |
| 0 (this device) | K152434 | XprESS Multi-Sinus Dilation System | Entellus Medical, Inc. | 2015 | — |
| +1 | K163509 | XprESS ENT Dilation System | Entellus Medical, Inc. | 2017 | — |
| +2 | K171761 | ACCLARENT AERA Eustachian Tube Balloon Dilation System | Acclarent, Inc. | 2018 | — |
| +3 | K230742 | ACCLARENT AERA Eustachian Tube Dilation System | Acclarent, Inc. | 2023 | — |
| +4 | K253612 | Acclarent AERA Eustachian Tube Balloon Dilation System | Acclarent, Inc. | 2026 | — |
| +3 | K223542 | TubaVent Balloon Dilatation System | Spiggle & Theis Medizintechnik GmbH | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1980 | 1 | 0 |
| 1986 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 12 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 0 |
| 2003 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 4 | 0 |
| 2026 | 1 | 0 |
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.
Planning a device in LRC? 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 K230258 BB 8 Sinus Dilation Kitscore 11.1 · 20 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K142252 | XprESS Multi-Sinus Dilation ToolSummary page 4…LRC Regulation Number: Class I, 21 CFR 874.4420 Predicate Device: XprESS Multi-Sinus Dilation System [K142252] Device Description: The XprESS Multi-Sinus Dilation System is intended to remodel or recreate the sinus outflow tract via trans-… | 2014 |
What descends from it? (11)
See all 112 later devices cite it directly; ranked here by how many devices descend from each in turn.
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?
- The line of descent spans 21 years and passes through 7 companies; a new generation was cleared every 1.1 years on median.
- 6 of the 84 ancestors have a recall of any class.
- Of its descendants, K163509 (Entellus Medical, Inc., 2017) has gone furthest, with 9 descendants of its own.
- 1 other device also cites its predicate K142252.
How does its category compare?
All LRC devicesLRC Instrument, Ent Manual Surgical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.
FDA decisions per year · LRC
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · LRC
131in 2020
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LRC
1in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LRC
44in 2025
MAUDE reports naming product code LRC, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 1 |
| 2008 | 2 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 8 |
| 2010 | 2 | — | 0 | 11 |
| 2011 | 6 | 106 | 0 | 14 |
| 2012 | 7 | 50 | 0 | 48 |
| 2013 | 7 | 104 | 0 | 53 |
| 2014 | 3 | 29 | 0 | 53 |
| 2015 | 6 | 105 | 0 | 41 |
| 2016 | 3 | 100 | 0 | 39 |
| 2017 | 2 | — | 0 | 32 |
| 2018 | 1 | — | 0 | 42 |
| 2019 | 1 | — | 0 | 19 |
| 2020 | 4 | 131 | 0 | 20 |
| 2021 | 0 | — | 0 | 23 |
| 2022 | 1 | — | 0 | 25 |
| 2023 | 1 | — | 1 | 14 |
| 2024 | 0 | — | 1 | 51 |
| 2025 | 0 | — | 0 | 44 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
To access and treat the maxillary ostia/ethmoid infundibula in patients 2 years and older, and frontal ostia/recesses and sphenoid sinus ostia in patients 12 years and older using a trans-nasal approach. The bony sinus outflow tracts are remodeled by balloon displacement of adjacent bone and paranasal sinus structures.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K152434 · printed Nov 6, 2026
Cite this page
510(k) Report. “K152434: XprESS Multi-Sinus 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/K152434
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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