510(k) Report

510(k) · Cleared

Cleared

Chitogel Endoscopic Sinus Surgery Kit

K172179510(k) TraditionalCleared Oct 17, 201790-day reviewClass I21 CFR 874.4780

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

Chitogel, Ltd. · LYA Splint, Intranasal Septal

Cleared on Oct 17, 2017 as substantially equivalent to K141704 (Medtronic, Inc., 2014) after a 90-day review. Its family tree reaches back 8 generations to 1990. 1 later device descends from it.

Decided
Oct 17, 2017
Review
90 days
Class
Class I
Product code
LYA
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K896068 (1990). 42 ancestors in all, the oldest K821150 (1982). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2012: 1 other ancestor2010: 1 other ancestor2008: 1 other ancestor2005: 3 other ancestors2004: 1 other ancestor2000: 5 other ancestors1997: 4 other ancestors2007: 1 other ancestor2003: 3 other ancestors2002: 2 other ancestors2001: 3 other ancestors1999: 3 other ancestors1998: 1 other ancestor1993: 1 other ancestor1983: 1 other ancestor1992: 1 other ancestor1991: 1 other ancestor1982: 1 other ancestor2023: 1 descendant clearedK896068 · Tipstop (TM) · Gambro-Hospal, Inc. · 1990K982818 · Hospal Tipstop · Gambro Healthcare · 1998K012293 · Vascular Solutions Duett Flowable Hemostat · Vascular Solutions, Inc. · 2002K030836 · D-Stat-Dry Hemostatic Bandage; D-Stat Radial Hemostatic Bandage · Vascular Solutions, Inc. · 2003 · recalledK050511 · Thrombigel Thrombin/Gelatin Foam Hemostat · Vascular Solutions, Inc. · 2005K072900 · Excelarrest Foam · Hemostasis, LLC · 2007K120958 · Posisep and Posisep X Hemostat Dressings · Hemostasis, LLC · 2012K141704 · Novashield Injectable Nasal Packing and Stent · Medtronic, Inc. · 201419801990200020102020
  1. Root · 8 generations backK896068 Tipstop (TM)Gambro-Hospal, Inc. · 1990
  2. 7 generations backK982818 Hospal TipstopGambro Healthcare · 1998
  3. 6 generations backK012293 Vascular Solutions Duett Flowable HemostatVascular Solutions, Inc. · 2002
  4. 5 generations backK030836 D-Stat-Dry Hemostatic Bandage; D-Stat Radial Hemostatic BandageVascular Solutions, Inc. · 2003 · Recalled
  5. 4 generations backK050511 Thrombigel Thrombin/Gelatin Foam HemostatVascular Solutions, Inc. · 2005
  6. 3 generations backK072900 Excelarrest FoamHemostasis, LLC · 2007
  7. 2 generations backK120958 Posisep and Posisep X Hemostat DressingsHemostasis, LLC · 2012
  8. 1 generation backK141704 Novashield Injectable Nasal Packing and StentMedtronic, Inc. · 2014
  9. This deviceK172179 Chitogel Endoscopic Sinus Surgery KitChitogel, Ltd. · 2017
  10. Descendant · cites it directly · 0 of its ownK230142 Epi-Stop Nasal Gel/epistaxis packBiomed Ent, Inc. · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K230142Epi-Stop Nasal Gel/epistaxis packBiomed Ent, Inc. · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K896068Tipstop (TM)Gambro-Hospal, Inc.1990—
−7K982818Hospal TipstopGambro Healthcare1998—
−6K012293Vascular Solutions Duett Flowable HemostatVascular Solutions, Inc.2002—
−5K030836D-Stat-Dry Hemostatic Bandage; D-Stat Radial Hemostatic BandageVascular Solutions, Inc.20033
−4K050511Thrombigel Thrombin/Gelatin Foam HemostatVascular Solutions, Inc.2005—
−3K072900Excelarrest FoamHemostasis, LLC2007—
−2K120958Posisep and Posisep X Hemostat DressingsHemostasis, LLC2012—
−1K141704Novashield Injectable Nasal Packing and StentMedtronic, Inc.2014—
0 (this device)K172179Chitogel Endoscopic Sinus Surgery KitChitogel, Ltd.2017—
+1K230142Epi-Stop Nasal Gel/epistaxis packBiomed Ent, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198210
198310
199110
199210
199310
199740
199810
199930
200050
200130
200220
200330
200410
200530
200710
200810
201010
201210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K172179, 1990–2023Source: 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.

Planning a device in LYA? 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 LYA device

  1. #1 K243655 TurbAlignscore 10.0 · 2 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
*K141704Novashield Injectable Nasal Packing and Stent
Summary page 4
…cation: Class I Product Code: LYA Predicate Devices: Novashield Injectable Nasal Packing and Stent (K141704) Contact Gregory Mathison US Agent T: 218.3…
Medtronic, Inc.2014—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K230142Epi-Stop Nasal Gel/epistaxis packBiomed Ent, Inc.20230

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 27 years and passes through 6 companies; a new generation was cleared every 3.0 years on median.
  • 2 of the 42 ancestors have a recall of any class.
  • Of its descendants, K230142 (Biomed Ent, Inc., 2023) has gone furthest, with 0 descendants of its own.

How does its category compare?

All LYA devices

LYA Splint, Intranasal Septal: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · LYA

1in 2025

2007: 12008: 22009: 12012: 12013: 22014: 52016: 12017: 22018: 22020: 12021: 12023: 12025: 1
2007high 5 (2014) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LYA

104in 2014

2014: 104 days median
2007high 104 (2014)2026

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

Recalls per year · LYA

No recall names LYA since 2007.

Adverse event reports per year · LYA

1in 2025

2007: 22009: 52010: 22011: 162012: 162013: 12014: 42015: 282016: 282017: 102018: 192019: 52020: 62021: 192022: 82023: 172024: 72025: 1
2007high 28 (2015) · low 0 (2008)2025

MAUDE reports naming product code LYA, 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
20071—02
20082—00
20091—05
20100—02
20110—016
20121—016
20132—01
2014510404
20150—028
20161—028
20172—010
20182—019
20190—05
20201—06
20211—019
20220—08
20231—017
20240—07
20251—01
20260—0—

What is it indicated for?

The Chitogel Endoscopic Sinus Surgery Kit is indicated for use in patients undergoing nasal/sinus surgery as a space occupying packing to:

- Separate tissue or structures compromised by surgical trauma

- Separate and prevent adhesions between mucosal surfaces in the nasal cavity and minimize ostial stenosis following endoscopic sinus surgery

- Control minimal bleeding following surgery or trauma by tamponade effect, blood absorption and platelet aggregation

- Act as an adjunct to aid in the natural healing process

The Chitogel Endoscopic Sinus Surgery Kit is indicated for use as a nasal packing to treat epistaxis.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K172179: Chitogel Endoscopic Sinus Surgery Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K172179

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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