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  <xs:element name="OtherIncomeExpenseAndIncomeTaxes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="nuwe_OtherIncomeExpenseAndIncomeTaxes"/>
  <xs:element name="AssetAcquisitionVotingEquityInterestAcquiredPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="nuwe_AssetAcquisitionVotingEquityInterestAcquiredPercentage"/>
  <xs:element name="ContractualExitFeesAndProductRepurchaseObligations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="nuwe_ContractualExitFeesAndProductRepurchaseObligations"/>
  <xs:element name="NumberOfMajorCustomers" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_NumberOfMajorCustomers"/>
  <xs:element name="ConversionOfStockSharesConversionPrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="nuwe_ConversionOfStockSharesConversionPrice"/>
  <xs:element name="GrossProceedsFromOfferingBeforeDeductingThePlacementAgentFeesAndOtherOfferingExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="nuwe_GrossProceedsFromOfferingBeforeDeductingThePlacementAgentFeesAndOtherOfferingExpenses"/>
  <xs:element name="ProceedsFromIssuanceOfCommonStockNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="nuwe_ProceedsFromIssuanceOfCommonStockNet"/>
  <xs:element name="ClassOfWarrantOrRightWarrantExercisable" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_ClassOfWarrantOrRightWarrantExercisable"/>
  <xs:element name="CombinedPublicOfferingPricePercentagePerUnit" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_CombinedPublicOfferingPricePercentagePerUnit"/>
  <xs:element name="NumberOfTradingDays" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_NumberOfTradingDays"/>
  <xs:element name="WeightedAveragePricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="nuwe_WeightedAveragePricePerShare"/>
  <xs:element name="WarrantExercisePriceDiscountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_WarrantExercisePriceDiscountPercentage"/>
  <xs:element name="DeferredConsiderationDiscountRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="nuwe_DeferredConsiderationDiscountRate"/>
  <xs:element name="OperatingLeaseAreaForLease" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_OperatingLeaseAreaForLease"/>
  <xs:element name="OperatingLeaseMonthlyRentAndCommonAreaMaintenanceCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="nuwe_OperatingLeaseMonthlyRentAndCommonAreaMaintenanceCharges"/>
  <xs:element name="AnnualBaseRentPerSquareFoot" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_AnnualBaseRentPerSquareFoot"/>
  <xs:element name="AnnualBaseRentIncreasePerSquareFoot" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_AnnualBaseRentIncreasePerSquareFoot"/>
  <xs:element name="ClassOfWarrantOrRightWarrantExpiryPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_ClassOfWarrantOrRightWarrantExpiryPeriod"/>
  <xs:element name="AcquisitionOfRendiatechInitialFairValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_AcquisitionOfRendiatechInitialFairValueMember"/>
  <xs:element name="April82026WarrantsIssuanceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_April82026WarrantsIssuanceMember"/>
  <xs:element name="AtTheMarketOfferingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_AtTheMarketOfferingMember"/>
  <xs:element name="CommonStockAndWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_CommonStockAndWarrantsMember"/>
  <xs:element name="CommonStockWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_CommonStockWarrantsMember"/>
  <xs:element name="CustomerOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_CustomerOneMember"/>
  <xs:element name="CustomerTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_CustomerTwoMember"/>
  <xs:element name="DeferredConsiderationLiabilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_DeferredConsiderationLiabilityMember"/>
  <xs:element name="DeferredConsiderationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_DeferredConsiderationMember"/>
  <xs:element name="FluidOverloadMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_FluidOverloadMember"/>
  <xs:element name="June102025WarrantsIssuanceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_June102025WarrantsIssuanceMember"/>
  <xs:element name="June2026StockOfferingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_June2026StockOfferingMember"/>
  <xs:element name="RendiatechAssetAcquisitionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_RendiatechAssetAcquisitionMember"/>
  <xs:element name="SecuritiesPurchaseAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SecuritiesPurchaseAgreementMember"/>
  <xs:element name="SeriesBWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SeriesBWarrantsMember"/>
  <xs:element name="SeriesCAndDWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SeriesCAndDWarrantsMember"/>
  <xs:element name="SeriesCWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SeriesCWarrantsMember"/>
  <xs:element name="SeriesDWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SeriesDWarrantsMember"/>
  <xs:element name="SeriesF1ConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SeriesF1ConvertiblePreferredStockMember"/>
  <xs:element name="SeriesJConvertiblePreferredStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SeriesJConvertiblePreferredStockMember"/>
  <xs:element name="SeriesJWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_SeriesJWarrantsMember"/>
  <xs:element name="WarrantLiabilitiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_WarrantLiabilitiesMember"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nuwe_DocumentAndEntityInformationAbstract"/>
</xs:schema>
