K Number
K220735
Date Cleared
2023-09-15

(550 days)

Product Code
Regulation Number
882.1275
Panel
NE
Reference & Predicate Devices
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
Intended Use

The Avologi Gel Primer is intended to be used with Luminice device to improve skin conductivity.

Device Description

The Avologi Gel Primer is a clear, viscous and chloride-free formulation. The gel is to be applied to the area under an electrode to reduce the impedance of the contact interface between the electrode surface and the skin.

AI/ML Overview

This document describes the Avologi Gel Primer (Model: Av25), an electroconductive gel intended for use with the Luminice device to improve skin conductivity. The submission demonstrates substantial equivalence to the predicate device, NuFACE Gel Primer (K161654), through performance testing.

1. Table of Acceptance Criteria and Reported Device Performance:

Acceptance Criteria (Parameter)Predicate Device (NuFACE Gel Primer - K161654)Avologi Gel Primer (Av25) PerformanceComparison
Regulation Number21CFR 882.127521CFR 882.1275SE (Substantially Equivalent)
Regulation NameElectroconductive MediaElectroconductive MediaSE
Regulatory ClassClass IIClass IISE
Product CodeGYBGYBSE
Regulation Medical SpecialtyNeurologyNeurologySE
Intended UseTo be used with NuFACE microcurrent devices to improve skin conductivity.To be used with Luminice device to improve skin conductivity.SE
UseOver-the-Counter cosmetic useOver-the-Counter cosmetic useSE
Environment of useHomeHomeSE
Target populationAdults 18 years of age or olderAdults 18 years of age or olderSE
Where usedTopically on intact skinTopically on intact skinSE
SterilizationNon-sterileNon-sterileSE
ColorColorlessColorlessSE
AppearanceClearClearSE
OdourOdourlessOdourlessSE
Volume2 fl.oz. and 5 fl.oz. tube3.38 fl.oz.Note 1 (Difference in packaging, does not affect performance)
Weight(g)Not publicly available170 - 200Note 1 (Difference in packaging, does not affect performance)
Specific gravityNot publicly available0.900 - 1.100SE
Viscosity(cps)Not publicly available30000-80000Note 1 (Difference, does not affect performance)
pH6.0-7.05.0-7.0Note 1 (Difference, does not affect performance)
BiocompatibilityComplies with ISO 10993-5 and ISO 10993-10Complies with ISO 10993-5 and ISO 10993-10 (and ISO 10993-23)SE
Chemical SafetyNon-OSHA PELNon-OSHA PELSE
Conductive materialSalt (Magnesium Sulfate)Salt (Magnesium Sulfate)SE
ImpedanceNot publicly available154 Ω ± 10%SE (Note 2 - acceptable based on performance study)
Shelf-lifeNot publicly available3 yearsNote 2 (acceptable based on real-time stability testing)
Conductivity (mS/cm)2-53.38Note 3 (similar to predicate, higher than some cleared devices, which is more conductive)
Microbiological growth (Total Aerobic Microbial Count)

§ 882.1275 Electroconductive media.

(a)
Identification. Electroconductive media are the conductive creams or gels used with external electrodes to reduce the impedance (resistance to alternating current) of the contact between the electrode surface and the skin.(b)
Classification. Class II (performance standards).