Cleared Special

K221891 - UNO Negative Pressure Wound Therapy System (FDA 510(k) Clearance)

Class II General & Plastic Surgery device cleared through the Special 510(k) pathway - typically does not require clinical trials.

K221891 · Genadyne Biotechnologies, Inc. · General & Plastic Surgery device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 2022
Decision
168d
Days
Class 2
Risk

K221891 is an FDA 510(k) clearance for the UNO Negative Pressure Wound Therapy System. Classified as Negative Pressure Wound Therapy Powered Suction Pump (product code OMP), Class II - Special Controls.

Submitted by Genadyne Biotechnologies, Inc. (Hicksville, US). The FDA issued a Cleared decision on December 14, 2022 after a review of 168 days - an extended review cycle.

This device falls under the General & Plastic Surgery FDA review panel, regulated under 21 CFR 878.4780 - the FDA general and plastic surgery device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Genadyne Biotechnologies, Inc. devices

Submission Details

510(k) Number K221891 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 29, 2022
Decision Date December 14, 2022
Days to Decision 168 days
Submission Type Special
Review Panel General & Plastic Surgery (SU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
54d slower than avg
Panel avg: 114d · This submission: 168d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code OMP Negative Pressure Wound Therapy Powered Suction Pump
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.4780
Definition For Wound Management Via Application Of Continual Or Intermittent Negative Pressure To The Wound For Removal Of Fluids, Including Wound Exudate, Irrigation Fluids, And Infectious Materials. The Device Is Indicated For Management Of Chronic, Acute, Traumatic, Subacute And Dehisced Wounds, Partial-thickness Burns, Ulcers (such As Diabetic Or Pressure), Flaps And Grafts.
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most General & Plastic Surgery devices follow this clearance model.

Regulatory Peers - OMP Negative Pressure Wound Therapy Powered Suction Pump

All 208
Devices cleared under the same product code (OMP) and FDA review panel - the closest regulatory comparables to K221891.
Genadyne ASTRA NPWT
K253429 · Genadyne Biotechnologies, Inc. · Mar 2026
Prospera Spectruum Negative Pressure Wound Therapy Black Foam Kits and White Foam Accessory
K250586 · Deroyal Industries, Inc. · Nov 2025
extriCARE® 1000 Negative Pressure Wound Therapy System
K251646 · Alleva Medical Devices · Oct 2025
RENASYS WOUND+ Dressing Kit with AIRLOCK Technology
K251826 · Smith & Nephew Medical, Ltd. · Sep 2025
Nisus ONE Negative Pressure Wound Therapy System (OCMPP-100)
K243187 · Cork Medical · Jun 2025
RENASYS Foam Wound Dressing Kit with AIRLOCK Technology and Soft Port
K243576 · Smith & Nephew Medical, Ltd. · Feb 2025