510(k) Report

510(k) · Cleared

Cleared

Small Foam Kit, Medium Foam Kit, Large Foam Kit, Extra Large Foam Kit

K211571510(k) TraditionalCleared May 31, 2022375-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

Zhejiang Longterm Medical Technology Co., Ltd. · OMP Negative Pressure Wound Therapy Powered Suction Pump

Cleared on May 31, 2022 as substantially equivalent to K162159 (Vr Medical Technologies, LLC, 2017) and 1 other predicate after a 375-day review. Its family tree reaches back 10 generations to 1995.

Decided
May 31, 2022
Review
375 days
Class
Class II
Product code
OMP
Recalls
None
Predicates
2

Its longest line of descent runs back 10 generations to K945062 (1995). 33 ancestors in all, the oldest K933902 (1994). No later device cites it as a predicate yet.

  1. Root · 10 generations backK945062 VacplusKinetic Concepts, Inc. · 1995
  2. 6 generations between
  3. 3 generations backK132225 ExtricareDevon Medical, Inc. · 2014
  4. 2 generations backK140634 extriCARE 2400 NPWT System with extriCARE 2400 NPWT Pump and…Devon Medical, Inc. · 2014
  5. 1 generation backK162159 VCare 1000-300S Pump, VCare 1000-300S System, Perme-foam DressingVr Medical Technologies, LLC · 2017
  6. This deviceK211571 Small Foam Kit, Medium Foam Kit, Large Foam Kit, Extra Large Foam KitZhejiang Longterm Medical Technology Co., Ltd. · 2022
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 backK082211 Renasys-F Negative Pressure Wound Therapy Foam Dressing KitsSmith & Nephew, Inc. · 2008 · Recalled
  6. 5 generations backK110647 Renasys Foam NPWT Wound Dressing Kits with Suction Pad; Renasys…Smith & Nephew, Inc. · 2011 · Recalled
  7. 4 generations backK110078 ExtricareDevon Medical Products, Inc. · 2012
  8. 3 generations backK132225 ExtricareDevon Medical, Inc. · 2014
  9. 2 generations backK140634 extriCARE 2400 NPWT System with extriCARE 2400 NPWT Pump and…Devon Medical, Inc. · 2014
  10. 1 generation backK162159 VCare 1000-300S Pump, VCare 1000-300S System, Perme-foam DressingVr Medical Technologies, LLC · 2017
  11. This deviceK211571 Small Foam Kit, Medium Foam Kit, Large Foam Kit, Extra Large Foam KitZhejiang Longterm Medical Technology Co., Ltd. · 2022
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
−6K082211Renasys-F Negative Pressure Wound Therapy Foam Dressing KitsSmith & Nephew, Inc.20081
−5K110647Renasys Foam NPWT Wound Dressing Kits with Suction Pad; Renasys Gauze NPWT…Smith & Nephew, Inc.20116
−4K110078ExtricareDevon Medical Products, Inc.2012—
−3K132225ExtricareDevon Medical, Inc.2014—
−2K140634extriCARE 2400 NPWT System with extriCARE 2400 NPWT Pump and extriCARE NPWT…Devon Medical, Inc.2014—
−1K162159VCare 1000-300S Pump, VCare 1000-300S System, Perme-foam DressingVr Medical Technologies, LLC2017—
0 (this device)K211571Small Foam Kit, Medium Foam Kit, Large Foam Kit, Extra Large Foam KitZhejiang Longterm Medical Technology Co., Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199710
199810
199910
200010
200210
200310
200510
200660
200720
200830
201010
201110
201210
201310
FIG. 1 — Lineage of K211571, 1995–2022Source: 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
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.

TypeNumberDeviceApplicantDecidedRecalls
*K162159VCare 1000-300S Pump, VCare 1000-300S System, Perme-foam Dressing
Summary page 4
…Class: II Predicate Devices: VCare 1000-300S Pump, VCare 1000-300S System, Perme- foam Dressing (K162159) (Primary) KCI USA Inc-V.A.C.® ATS, mini VAC, VAC Freedom (K03231…
Vr Medical Technologies, LLC2017—
*K032310Mini V.a.C., V.a.C. Freedom, V.a.C. Ats
Summary page 4
…foam Dressing (K162159) (Primary) KCI USA Inc-V.A.C.® ATS, mini VAC, VAC Freedom (K032310) 2 Device Description: Longterm NPWT Foam dressing kit is an accessory to VCare 1000-300S pump, manufactured by…
Kinetic Concepts, Inc.20032

Also cleared against K162159: 2 other devices →

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?

  • The line of descent spans 27 years and passes through 7 companies; a new generation was cleared every 2.3 years on median.
  • 12 of the 33 ancestors have a recall of any class.
  • 2 other devices also cite its predicate K162159.

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. 2022, 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?

Longterm NPWT Foam Dressing Kit is intended to be used along with VCare 1000 -300S pump for wound management via the application of negative pressure to the wound, in order for the removal of fluids, including wound exudates, irrigation fluids, body fluids and infectious materials. The system is intended for patients with chronic, acute, traumatic, subacute and dehisced wounds, partial-thickness burns, ulcers (such as diabetic or pressure), flaps and grafts.

Longterm NPWT foam dressing kit is for use in professional healthcare facilities only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K211571: Small Foam Kit, Medium Foam Kit, Large Foam Kit, Extra Large Foam Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K211571

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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