510(k) Report

510(k) · Cleared

Cleared

Relieva Sinus Balloon Catheter

K061903510(k) SpecialCleared Aug 18, 200644-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 18, 2006 as substantially equivalent to K043527 (Exploramed Nc1, Inc., 2005) after a 44-day review. Its family tree reaches back 1 generation to 2005. 49 later devices descend from it.

Decided
Aug 18, 2006
Review
44 days
Class
Class I
Product code
LRC
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K043527 (2005). 49 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2010: 2 descendants cleared2008: 2 descendants cleared2015: 5 descendants cleared2011: 5 descendants cleared2009: 1 descendant cleared2016: 4 descendants cleared2023: 5 descendants cleared2012: 6 descendants cleared2018: 2 descendants cleared2013: 5 descendants cleared2017: 3 descendants cleared2019: 1 descendant cleared2014: 2 descendants cleared2020: 3 descendants cleared2021: 1 descendant cleared2022: 1 descendant cleared2026: 1 descendant clearedK043527 · Relieva Sinus Balloon Dilation Catheter · Exploramed Nc1, Inc. · 200520052010201520202025
Descendants, by generation 1 generation forward: 3 descendants2 generations forward: 6 descendants3 generations forward: 16 descendants4 generations forward: 8 descendants5 generations forward: 3 descendants6 generations forward: 2 descendants7 generations forward: 1 descendant8 generations forward: 1 descendant9 generations forward: 2 descendants10 generations forward: 4 descendants11 generations forward: 2 descendants12 generations forward: 1 descendant K043527 · Relieva Sinus Balloon Dilation Catheter · Exploramed Nc1, Inc. · 20050+5+10
  1. Root · 1 generation backK043527 Relieva Sinus Balloon Dilation CatheterExploramed Nc1, Inc. · 2005
  2. This deviceK061903 Relieva Sinus Balloon CatheterAcclarent, Inc. · 2006
  3. Descendant · cites it directly · 41 of its ownK093007 Entellus Medical Balloon DeviceEntellus Medical, Inc. · 2010
  4. Descendant · 2 generations on · 36 of its ownK102003 Xpress Balloon DeviceEntellus Medical, Inc. · 2010
  5. Descendant · 3 generations on · 21 of its ownK112506 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2011
  6. Descendant · 4 generations on · 20 of its ownK121174 Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2012
  7. Descendant · cites it directly · 18 of its ownK073041 Relieva and Relieva Acella Sinus Balloon CatheterAcclarent, Inc. · 2008

Showing 5 of 49 descendants. See all descendants

Descendants cleared per year

2008: 22009: 12010: 22011: 52012: 62013: 52014: 22015: 52016: 42017: 32018: 22019: 12020: 32021: 12022: 12023: 52026: 1
2008high 6 (2012) · low 0 (2024)2026

Most influential descendants

Showing 5 of 49 · See all
  • K093007Entellus Medical Balloon DeviceEntellus Medical, Inc. · 2010 · cites it directly41descendants
  • K102003Xpress Balloon DeviceEntellus Medical, Inc. · 2010 · 2 generations on36descendants
  • K112506Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2011 · 3 generations on21descendants
  • K121174Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc. · 2012 · 4 generations on20descendants
  • K073041Relieva and Relieva Acella Sinus Balloon CatheterAcclarent, Inc. · 2008 · cites it directly18descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K043527Relieva Sinus Balloon Dilation CatheterExploramed Nc1, Inc.2005—
0 (this device)K061903Relieva Sinus Balloon CatheterAcclarent, Inc.2006—
+1K093007Entellus Medical Balloon DeviceEntellus Medical, Inc.2010—
+2K102003Xpress Balloon DeviceEntellus Medical, Inc.2010—
+3K112506Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc.2011—
+4K121174Xpress Multi-Sinus Dilation ToolEntellus Medical, Inc.2012—
+1K073041Relieva and Relieva Acella Sinus Balloon CatheterAcclarent, Inc.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200820
200910
201020
201150
201260
201350
201420
201550
201640
201730
201820
201910
202030
202110
202210
202350
202610
FIG. 1 — Lineage of K061903, 2005–2026Source: 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.

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. #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? (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; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.

TypeNumberDeviceApplicantDecidedRecalls
*K043527Relieva Sinus Balloon Dilation Catheter
Summary page 1
…21 CFR 874.4420 Classification Name: ENT Manual Surgical Instrument Product Code: LRC Predicate Device: Relieva Sinus Balloon Catheter (K043527) Relieva Sinus Guidewire (K043445) Device Description: The Sinus Balloon Catheter-Integrated Wire…
Exploramed Nc1, Inc.2005—
Kept off the family treeK043445Relieva Sinus Guidewire
Not in FDA’s 510(k), De Novo or PMA lists as we hold them (a misreading, a typo, or a number FDA does not list), so it is kept off the family tree
Summary page 1
…Surgical Instrument Product Code: LRC Predicate Device: Relieva Sinus Balloon Catheter (K043527) Relieva Sinus Guidewire (K043445) Device Description: The Sinus Balloon Catheter-Integrated Wire is a sinus balloon catheter that…

Also cleared against K043527: 3 other devices →

What descends from it? (49)

See all 49

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

NumberDeviceApplicantDecidedDescendants
K093007Entellus Medical Balloon DeviceEntellus Medical, Inc.201041
K073041Relieva and Relieva Acella Sinus Balloon CatheterAcclarent, Inc.200818
K080158LB Medical Inflatable Tissue Elevator/Expander SystemLb Medical LLC20080

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?

  • Its one ancestor has no recall.
  • Of its descendants, K093007 (Entellus Medical, Inc., 2010) has gone furthest, with 41 descendants of its own.
  • 3 other devices also cite its predicate K043527.

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.

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?

To provide a means to access the sinus space and to dilate the sinus ostia and spaces within the paranasal sinus cavities for diagnostic and therapeutic procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K061903: Relieva Sinus Balloon Catheter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K061903

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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