TheallnewINTRAcel3in1system

Bipolar,MonopolarwithERS(impedancematchingsystem),andSuperficialRFRejuvenationTheallnewINTRAcelwaslaunchedatIMCASinSingaporeafterthesuccessfulcompletionofclinicalstudies.PresentationsbyDr.MichaelGoldandDr.YanTrokelfromtheUSA,Dr.ChingILuofTaiwanonINTRAceldemonstratedvariousadvantagescomparedtootheraestheticlaserandRFdevices.TheexpertgroupsparticipatinginthesestudiesinvestigatedanewmonopolarmodewithanimpedancematchingfunctionforsuperficialRFrejuvenation.ThenewfeaturesoftheallnewINTRAcelresultsinimprovedefficacyandreducedpainduringtreatment.RFMicroneedleandMono-polarFigure1.illustratesthatbipolarmodemakesanarrowercoagulationzonethanmonopolarmodeusingthesameenergy.Bipolarmodeshowsanarrowerzonewithstrongercoagulationduringtreatment,whereasmonopolarmodedevelopsawiderweakerdenaturationzone,whichexplainswhymonopolarhasreducedpainaswell.Infact,40%lesspainwasmeasuredinmonopolarmodethanbipolarmode.Thestudyalsoconfirmed30%shorterdowntimewithmonopolarmodethanwithbipolarmode.

Fig1.TissuedenaturationofBipolar(left)andMonopolar(right)atthesameenergylevel

Importanceofimpedancechecking

Impedancevariesbypatient,skintypeandtargettissue.Thus,predictingapreciseresultwithRFtreatmentisnotpracticalwithoutmonitoringimpedance.Inaddition,impedancevalueschangewhenRFenergypenetratesintohumantissue.Figure2.showsthedifferencebetweennormalmonopolarandmonopolarwithERS(EnergyRewardingSystem)byimpedancematching.Inthisexperiment,impedancematchingreducesbodyresistancetoallowsufficientenergyintothetargettissue.

Fig2.Comparisonbetweenbefore(left)andafterimpedancematching(right)atthesamelevelofenergy

FRM(FractionalRFMicroneedling)Monopolarforbetterresults.Manyaestheticpatientswhovisitedtheclinicdesiredimmediateresults.Ifitisdifficulttofindamoderatemethodtostimulatethesuperficialdermiswithnon-invasivemethods,orforpatientswhodonotwanttowaitforresultsoftreatmentsfor2months.Forthosepatientsmonopolartreatmentwouldbeanalternatesolution.Accordingtothestudy,theidealdepthtostimulateusingmonopolarmodeisapproximately0.8mm,thetypicaldistancebetweensuperficialdermisandmid-dermis.

Fig3.Mostofwrinklesareonskinsurface

LongPulseBipolarAstudyofenergydiffusionshowedthatLongPulseBipolar(BipolarLongOn-time)isnotabletoinfluenceaslargeanareaasmonopolar.Energyemissiontimedoesnotmakeasignificantdifferencebecausebipolarhasthecharacteristicoffocusingandemittingenergyatthetargetpoint.Inotherwords,nomatterhowlongtheenergyisemittedinbipolarmode,expandingthedenaturedareawouldbeunavoidablewithoutincreasedtimeandpain.Therefore,monopolarisapreferredsolutionforheatingandwarminglargepartsofskinbyexpandingthethermaldenaturationzonebetweenneedleswithlessenergyandshorterpulses.

Fig4.Effortstoexpanddenaturationzoneusingbipolarincreasespain,dwelltimeanddamageontheskinsurface.

Whichisbetter?BipolarorMonopolar?FeaturesofpositiveandnegativeRFmicroneedle

Bipolar Monopolar SRR(SuperficialRFRejuvenation)

E.Field

RFArea Column Wide NarrowTargetArea Dermis Mid-dermis EpidermisTissueInteraction

CoagulatedNecrosisZone

DenaturationZone FractionalEpidermisHeatingZone

Depth 0.5~2.0mm 0.5~2.0mm ~0.5mmInterval 4~5weeks 3weeks 1weekDownTime 48Hr 24Hr 6HrIndication Wrinkle/Pore/Acne/Scar Finewrinkle/Tightening PeriorbitalwrinklesThetableshowsthatbipolarcreatesacoagulationnecrosiszonearoundtheneedlesandmonopolardeliversweakerbutwiderdenaturationzoneunderthesameparametersetup.In

thiscase,combiningbipolarandmonopolartreatmentwithonepassofeachtreatmentwouldbringbothimmediateandlongtermefficacy.Otherimprovementsforpainandefficacy

• TheanewmonopolarmodewasaddedtothelatestversionofINTRAceltoreducepainandincreasetheefficacyoftreatment.

• Thehandpiecestructureisimprovedtoreducethefeelingofpunching,makingthetreatmentmorecomfortablewithlessnoisethatcanstartlepatients.

• A24needletipforfullfacetreatmentisavailableforbothbipolarandmonopolar.• Anewnon-invasivesuperficialtipisavailableforFractionalRFResurfacing,whichcan

providepatientswithapainless,safeandmoreeffectiveresultonsuperficialareas.ThenewINTRAcelfromJeisysisthebestinclassproductforfractionalRFmicroneedlingfortheforeseeablefuture.HowThreeLayerTherapyWorks?