510(k) Report

510(k) · Cleared

Cleared

RENASYS Foam Wound Dressing Kit with AIRLOCK Technology and Soft Port; RENASYS Gauze Wound Dressing Kit with AIRLOCK Technology and Soft Port

K243576510(k) TraditionalCleared Feb 18, 202591-day reviewClass II21 CFR 878.4780

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

Smith & Nephew Medical, Ltd. · OMP Negative Pressure Wound Therapy Powered Suction Pump

Cleared on Feb 18, 2025 as substantially equivalent to K142979 (Smith & Nephew, Inc., 2015) after a 91-day review. Its family tree reaches back 10 generations to 1995. 1 later device descends from it.

Decided
Feb 18, 2025
Review
91 days
Class
Class II
Product code
OMP
Recalls
None
Predicates
1

Its longest line of descent runs back 10 generations to K945062 (1995). 23 ancestors in all, the oldest K933902 (1994). 1 later device descends from it, 1 citing it directly.

  1. Root · 10 generations backK945062 VacplusKinetic Concepts, Inc. · 1995
  2. 6 generations between
  3. 3 generations backK102001 Modification to Renasys EZ Plus Negative Pressure Wound TherapySmith & Nephew, Inc. · 2010 · Recalled
  4. 2 generations backK132446 Renasys EZ Max Negative Pressure Wound Therapy DeviceSmith & Nephew, Inc. · 2013
  5. 1 generation backK142979 RENASYS; EZ MAX Negative Pressure Wound Therapy; Foam NPWT Wound…Smith & Nephew, Inc. · 2015 · Recalled
  6. This deviceK243576 RENASYS Foam Wound Dressing Kit with AIRLOCK Technology and Soft…Smith & Nephew Medical, Ltd. · 2025
  7. Descendant · cites it directly · 0 of its ownK251826 RENASYS WOUND+ Dressing Kit with AIRLOCK TechnologySmith & Nephew Medical, Ltd. · 2025
Show all 10 generations
  1. Root · 10 generations backK945062 VacplusKinetic Concepts, Inc. · 1995
  2. 9 generations backK042134 Versatile 1 Wound Vacuum SystemBlue Sky Medical Group Incorporated · 2004 · Recalled
  3. 8 generations backK052456 Modification to Versatile 1 Wound Vacuum SystemBlue Sky Medical Group Incorporated · 2005
  4. 7 generations backK061919 Versatile 1 Ezcare Wound Vacuum SystemBlue Sky Medical Group Incorporated · 2007 · Recalled
  5. 6 generations backK082426 Renasys EZSmith & Nephew, Inc. · 2008 · Recalled
  6. 5 generations backK083375 Renasys GO Negative Pressure Wound TherapySmith & Nephew, Inc. · 2009 · Recalled
  7. 4 generations backK091470 Ranasys EZ Negative Pressure Wound Therapy System, Model 66800059Smith & Nephew, Inc. · 2009 · Recalled
  8. 3 generations backK102001 Modification to Renasys EZ Plus Negative Pressure Wound TherapySmith & Nephew, Inc. · 2010 · Recalled
  9. 2 generations backK132446 Renasys EZ Max Negative Pressure Wound Therapy DeviceSmith & Nephew, Inc. · 2013
  10. 1 generation backK142979 RENASYS; EZ MAX Negative Pressure Wound Therapy; Foam NPWT Wound…Smith & Nephew, Inc. · 2015 · Recalled
  11. This deviceK243576 RENASYS Foam Wound Dressing Kit with AIRLOCK Technology and Soft…Smith & Nephew Medical, Ltd. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K251826RENASYS WOUND+ Dressing Kit with AIRLOCK TechnologySmith & Nephew Medical, Ltd. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K945062VacplusKinetic Concepts, Inc.1995—
−9K042134Versatile 1 Wound Vacuum SystemBlue Sky Medical Group Incorporated20042
−8K052456Modification to Versatile 1 Wound Vacuum SystemBlue Sky Medical Group Incorporated2005—
−7K061919Versatile 1 Ezcare Wound Vacuum SystemBlue Sky Medical Group Incorporated20071
−6K082426Renasys EZSmith & Nephew, Inc.20084
−5K083375Renasys GO Negative Pressure Wound TherapySmith & Nephew, Inc.20092
−4K091470Ranasys EZ Negative Pressure Wound Therapy System, Model 66800059Smith & Nephew, Inc.20091
−3K102001Modification to Renasys EZ Plus Negative Pressure Wound TherapySmith & Nephew, Inc.20103
−2K132446Renasys EZ Max Negative Pressure Wound Therapy DeviceSmith & Nephew, Inc.2013—
−1K142979RENASYS; EZ MAX Negative Pressure Wound Therapy; Foam NPWT Wound Dressing Kits…Smith & Nephew, Inc.20151
0 (this device)K243576RENASYS Foam Wound Dressing Kit with AIRLOCK Technology and Soft Port; RENASYS…Smith & Nephew Medical, Ltd.2025—
+1K251826RENASYS WOUND+ Dressing Kit with AIRLOCK TechnologySmith & Nephew Medical, Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199710
199910
200010
200210
200310
200510
200620
200710
200820
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K243576, 1995–2025Source: 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 OMP? 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 OMP device

  1. #1 K260646 Renasys Edge (66803126)score 15.3 · 14 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin 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
*K142979RENASYS; EZ MAX Negative Pressure Wound Therapy; Foam NPWT Wound Dressing Kits with Soft…
Summary page 5
…lation 21 CFR 878.4780 Number Regulatory Class Class II Product Code OMP 21 CFR 807.92 (a)(3): Legally 510(k) Number: K142979 marketed device to Device Name: RENASYS Foam and Gauze NPWT Wound Dressing which equivalence Kits with Soft Port is c…
Smith & Nephew, Inc.20151

Also cleared against K142979: 5 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K251826RENASYS WOUND+ Dressing Kit with AIRLOCK TechnologySmith & Nephew Medical, Ltd.20250

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 30 years and passes through 4 companies; a new generation was cleared every 1.5 years on median.
  • 13 of the 23 ancestors have a recall of any class.
  • Of its descendants, K251826 (Smith & Nephew Medical, Ltd., 2025) has gone furthest, with 0 descendants of its own.
  • 5 other devices also cite its predicate K142979.

How does its category compare?

All OMP devices

OMP Negative Pressure Wound Therapy Powered Suction Pump: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · OMP

5in 2025

2007: 62008: 82009: 82010: 62011: 62012: 112013: 112014: 102015: 202016: 192017: 112018: 132019: 152020: 62021: 92022: 102023: 82024: 92025: 52026 (partial year): 9
2007high 20 (2015) · low 5 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OMP

127in 2025

2007: 113 days median2008: 98 days median2009: 87 days median2010: 97 days median2011: 123 days median2012: 292 days median2013: 84 days median2014: 179 days median2015: 189 days median2016: 146 days median2017: 137 days median2018: 214 days median2019: 249 days median2020: 179 days median2021: 238 days median2022: 229 days median2023: 291 days median2024: 181 days median2025: 127 days median2026 (partial year): 141 days median
2007high 292 (2012) · low 84 (2013)2026

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

Recalls per year · OMP

2in 2024

2009: 72010: 32012: 12013: 22014: 42015: 12016: 22019: 12024: 2
2007high 7 (2009) · low 0 (2007)2026

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

Adverse event reports per year · OMP

140in 2025

2007: 12008: 12009: 792010: 802011: 1302012: 972013: 1692014: 2292015: 3782016: 3982017: 3682018: 4222019: 9942020: 3,6642021: 1,4222022: 2582023: 1432024: 1352025: 140
2007high 3,664 (2020) · low 1 (2007)2025

MAUDE reports naming product code OMP, 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
2007611301
200889801
2009887779
2010697380
201161230130
201211292197
201311842169
2014101794229
2015201891378
2016191462398
2017111370368
2018132140422
2019152491994
2020617903,664
2021923801,422
2022102290258
202382910143
202491812135
202551270140
202691410—

What is it indicated for?

The RENASYS Foam and Gauze Wound Dressing Kits with AIRLOCK Technology and Soft Port are intended to be used in conjunction with Smith + Nephew traditional Negative Pressure Wound Therapy (tNPWT) RENASYS system.

The Smith + Nephew RENASYS NPWT system is indicated for patients who would benefit from a suction pump (Negative Pressure Wound Therapy), as it allows for wound management via removal of fluids, including irrigation and body fluids, wound exudates and infectious materials.

Appropriate wound types include:

• Chronic

• Acute

• Traumatic

• Sub-Acute and dehisced wounds

• Ulcers (such as pressure or diabetic)

• Partial-thickness burns

• Flaps

• Grafts

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243576: RENASYS Foam Wound Dressing Kit with AIRLOCK Technology and Soft Port; RENASYS Gauze Wound Dressing Kit with AIRLOCK Technology and Soft Port.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K243576

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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