510(k) Report

510(k) · Cleared

Cleared

Comfeel Purilon Gel,15G (3900)/Comfeel Purilon Gel,25G (3903)

K971597510(k) TraditionalCleared Jul 29, 199789-day reviewClass I21 CFR 878.4022

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

Coloplast Corp. · NAE Dressing, Wound, Hydrogel Without Drug And/Or Biologic

Cleared on Jul 29, 1997 as substantially equivalent to K926508 (Smith & Nephew United, Inc., 1993) after an 89-day review. Its family tree reaches back 1 generation to 1993.

Decided
Jul 29, 1997
Review
89 days
Class
Class I
Product code
NAE
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K926508 (1993). No later device cites it as a predicate yet.

K926508 · Intrasite Gel · Smith & Nephew United, Inc. · 199319901992199419961998
K926508 · Intrasite Gel · Smith & Nephew United, Inc. · 19930
  1. Root · 1 generation backK926508 Intrasite GelSmith & Nephew United, Inc. · 1993
  2. This deviceK971597 Comfeel Purilon Gel,15G (3900)/Comfeel Purilon Gel,25G (3903)Coloplast Corp. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K926508Intrasite GelSmith & Nephew United, Inc.1993—
0 (this device)K971597Comfeel Purilon Gel,15G (3900)/Comfeel Purilon Gel,25G (3903)Coloplast Corp.1997—
FIG. 1 — Lineage of K971597, 1993–1997Source: 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.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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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
*K926508Intrasite Gel
Summary page 3
…ietary Name: Comfeel® Purilon Gel Common Name: Wound Dressing Classification Name: Hydroge! Wound Dressing PREDICATE DEVICE IntraSite Gel (Smith & Nephew United, Inc.); K926508. DEVICE DESCRIPTION Comfeel® Purilon Gel is an absorbent hydrogel wound dressing composed of cal- cium alginate, sodium carboxy…
Smith & Nephew United, Inc.1993—

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All NAE devices

NAE Dressing, Wound, Hydrogel Without Drug And/Or Biologic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NAE

1in 2009

2008: 22009: 1
2007high 2 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NAE

Too few NAE 510(k)s in any year since 2007 to give a median.

Recalls per year · NAE

2in 2018

2018: 2
2007high 2 (2018) · low 0 (2007)2026

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

Adverse event reports per year · NAE

7in 2025

2012: 12013: 12014: 32015: 172016: 32017: 12018: 42019: 82020: 112021: 152022: 112023: 52024: 132025: 7
2007high 17 (2015) · low 0 (2007)2025

MAUDE reports naming product code NAE, 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
20082—00
20091—00
20100—00
20110—00
20120—01
20130—01
20140—03
20150—017
20160—03
20170—01
20180—24
20190—08
20200—011
20210—015
20220—011
20230—05
20240—013
20250—07
20260—0—

What is it indicated for?

For use in the management of leg ulcers and pressure sores. The gel provides a moist wound healing environment which encourages natural autolytic debridement.

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. “K971597: Comfeel Purilon Gel,15G (3900)/Comfeel Purilon Gel,25G (3903).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K971597

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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