<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!--XBRL Document Created with XBRLMaster-->
<!--Version: 2.3.08-->
<!--Based on XBRL 2.1-->
<!--Date of creation: 08/14/2026-->
<!--Software architectural design and coding: A'c Dharmapremananda Avt.-->
<!--Copyright (c) 2026 I-NET Business Solutions, Inc. All Rights Reserved.-->
<schema xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:us-gaap-att="http://fasb.org/us-gaap/attributes" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:currency="http://xbrl.sec.gov/currency/2025" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:us-types="http://fasb.org/us-types/2025" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:srt-types="http://fasb.org/srt-types/2025" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:srt="http://fasb.org/srt/2025" xmlns:ecd="http://xbrl.sec.gov/ecd/2025" xmlns:cyd="http://xbrl.sec.gov/cyd-af-sub/2025" xmlns:ffd="http://xbrl.sec.gov/ffd/2025" xmlns:ueec="http://ueec.com/20260630" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://ueec.com/20260630">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://ueec.com/role/Cover" id="Cover">
        <link:definition>000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CondensedBalanceSheets" id="CondensedBalanceSheets">
        <link:definition>110200 - Statement - Condensed Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CondensedBalanceSheetsParenthetical" id="CondensedBalanceSheetsParenthetical">
        <link:definition>110201 - Statement - Condensed Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CondensedStatementsOfOperationsUnaudited" id="CondensedStatementsOfOperationsUnaudited">
        <link:definition>124100 - Statement - Condensed Statements of Operations (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CondensedStatementOfStockholdersDeficiencyUnaudited" id="CondensedStatementOfStockholdersDeficiencyUnaudited">
        <link:definition>148600 - Statement - Condensed Statement of Stockholders Deficiency (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CondensedStatementsOfCashFlowsUnaudited" id="CondensedStatementsOfCashFlowsUnaudited">
        <link:definition>170000 - Statement - Condensed Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/InsiderTradingArragements" id="InsiderTradingArragements">
        <link:definition>170001 - Disclosure - Insider Trading Arragements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/OrganizationAndBasisOfPreparation" id="OrganizationAndBasisOfPreparation">
        <link:definition>200000 - Disclosure - Organization and Basis of Preparation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SignificantAccountingPolicies" id="SignificantAccountingPolicies">
        <link:definition>290000 - Disclosure - Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RelatedPartyTransactions" id="RelatedPartyTransactions">
        <link:definition>845000 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/ConvertibleNotes" id="ConvertibleNotes">
        <link:definition>845001 - Disclosure - Convertible Notes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/NotesPayable" id="NotesPayable">
        <link:definition>845002 - Disclosure - Notes Payable</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStock" id="CommonStock">
        <link:definition>845003 - Disclosure - Common Stock</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/Leases" id="Leases">
        <link:definition>845004 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrors" id="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrors">
        <link:definition>845005 - Disclosure - Revision of Previously Issued Financial Statements for Correction of Immaterial Errors</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SubsequentEvent" id="SubsequentEvent">
        <link:definition>870000 - Disclosure - Subsequent Event</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SignificantAccountingPoliciesPolicies" id="SignificantAccountingPoliciesPolicies">
        <link:definition>870001 - Disclosure - Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SignificantAccountingPoliciesTables" id="SignificantAccountingPoliciesTables">
        <link:definition>870002 - Disclosure - Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RelatedPartyTransactionsTables" id="RelatedPartyTransactionsTables">
        <link:definition>870003 - Disclosure - Related Party Transactions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStockTables" id="CommonStockTables">
        <link:definition>870004 - Disclosure - Common Stock (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/LeasesTables" id="LeasesTables">
        <link:definition>870005 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsTables" id="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsTables">
        <link:definition>870006 - Disclosure - Revision of Previously Issued Financial Statements for Correction of Immaterial Errors (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SignificantAccountingPoliciesDetails" id="SignificantAccountingPoliciesDetails">
        <link:definition>870007 - Disclosure - Significant Accounting Policies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SignificantAccountingPoliciesDetails1" id="SignificantAccountingPoliciesDetails1">
        <link:definition>870008 - Disclosure - Significant Accounting Policies (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SignificantAccountingPoliciesDetailsNarrative" id="SignificantAccountingPoliciesDetailsNarrative">
        <link:definition>870009 - Disclosure - Significant Accounting Policies (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RelatedPartyTransactionsDetails" id="RelatedPartyTransactionsDetails">
        <link:definition>870010 - Disclosure - Related Party Transactions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RelatedPartyTransactionsDetailsNarrative" id="RelatedPartyTransactionsDetailsNarrative">
        <link:definition>870011 - Disclosure - Related Party Transactions (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/ConvertibleNotesDetailsNarrative" id="ConvertibleNotesDetailsNarrative">
        <link:definition>870012 - Disclosure - Convertible Notes (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/NotesPayableDetailsNarrative" id="NotesPayableDetailsNarrative">
        <link:definition>870013 - Disclosure - Notes Payable (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStockDetails" id="CommonStockDetails">
        <link:definition>870014 - Disclosure - Common Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStockDetails1" id="CommonStockDetails1">
        <link:definition>870015 - Disclosure - Common Stock (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStockDetails2" id="CommonStockDetails2">
        <link:definition>870016 - Disclosure - Common Stock (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStockDetails3" id="CommonStockDetails3">
        <link:definition>870017 - Disclosure - Common Stock (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStockDetails4" id="CommonStockDetails4">
        <link:definition>870018 - Disclosure - Common Stock (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/CommonStockDetailsNarrative" id="CommonStockDetailsNarrative">
        <link:definition>870019 - Disclosure - Common Stock (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/LeasesDetails" id="LeasesDetails">
        <link:definition>870020 - Disclosure - Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/LeasesDetails1" id="LeasesDetails1">
        <link:definition>870021 - Disclosure - Leases (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/LeasesDetailsNarrative" id="LeasesDetailsNarrative">
        <link:definition>870022 - Disclosure - Leases (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails" id="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails">
        <link:definition>870023 - Disclosure - Revision of Previously Issued Financial Statements for Correction of Immaterial Errors (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails1" id="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails1">
        <link:definition>870024 - Disclosure - Revision of Previously Issued Financial Statements for Correction of Immaterial Errors (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails2" id="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails2">
        <link:definition>870025 - Disclosure - Revision of Previously Issued Financial Statements for Correction of Immaterial Errors (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails3" id="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetails3">
        <link:definition>870026 - Disclosure - Revision of Previously Issued Financial Statements for Correction of Immaterial Errors (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetailsNarrative" id="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDetailsNarrative">
        <link:definition>870027 - Disclosure - Revision of Previously Issued Financial Statements for Correction of Immaterial Errors (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://ueec.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
        <link:definition>870028 - Disclosure - Subsequent Events (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="ueec-20260630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="ueec-20260630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="ueec-20260630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="ueec-20260630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd" />
  <import namespace="http://xbrl.sec.gov/currency/2025" schemaLocation="https://xbrl.sec.gov/currency/2025/currency-2025.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
  <import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd" />
  <import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd" />
  <import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd" />
  <import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd" />
  <element id="ueec_RelatedPartyTransactionAmountsOfTransactionAccruedLiabilities" name="RelatedPartyTransactionAmountsOfTransactionAccruedLiabilities" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ConvertibleDebtRelatedPartyNetCurrent" name="ConvertibleDebtRelatedPartyNetCurrent" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_NotesPayablesRelatedPartiesNoncurrent" name="NotesPayablesRelatedPartiesNoncurrent" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_InterestExpensesRelatedParty" name="InterestExpensesRelatedParty" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_StockIssuedDuringPeriodSharesVestingOfRestrictedStock" name="StockIssuedDuringPeriodSharesVestingOfRestrictedStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_StockIssuedDuringPeriodValueVestingOfRestrictedStock" name="StockIssuedDuringPeriodValueVestingOfRestrictedStock" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_CommonStockIssuedForAStockSubscriptionReceivableShares" name="CommonStockIssuedForAStockSubscriptionReceivableShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_CommonStockIssuedForAStockSubscriptionReceivableAmount" name="CommonStockIssuedForAStockSubscriptionReceivableAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_SaleOfCommonStockShares" name="SaleOfCommonStockShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_SaleOfCommonStockAmount" name="SaleOfCommonStockAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_AmortizationOfDeferredOfferingCost" name="AmortizationOfDeferredOfferingCost" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_AmortizationOfRightOfUseAsset" name="AmortizationOfRightOfUseAsset" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_IncreaseDecreaseInAccruedCompensation" name="IncreaseDecreaseInAccruedCompensation" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_NonCashTransactionAccruedCompensationConvertedToNotesPayableRelatedParty" name="NonCashTransactionAccruedCompensationConvertedToNotesPayableRelatedParty" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_NonCashTransactionAmortizationOfDeferredOfferingCost" name="NonCashTransactionAmortizationOfDeferredOfferingCost" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_NoncashTransactionOidOnPromissoryNoteRelatedParty" name="NoncashTransactionOidOnPromissoryNoteRelatedParty" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_NonCashTransactionCommonStockIssuedForSubscriptionReceivable" name="NonCashTransactionCommonStockIssuedForSubscriptionReceivable" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ConvertibleNotesDisclosureTextBlock" name="ConvertibleNotesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_LeasesOfLesseesDisclosureTextBlock" name="LeasesOfLesseesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDisclosureTextBlock" name="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_GoingConcernPolicyTextBlock" name="GoingConcernPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DeferredOfferingCostsPolicyTextBlock" name="DeferredOfferingCostsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ScheduleOfFutureAggregateMaturitiesOfNotesPayableRelatedPartiesTableTextBlock" name="ScheduleOfFutureAggregateMaturitiesOfNotesPayableRelatedPartiesTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ScheduleOfFairValueOfTheDrerivativeLiabilityTableTextBlock37" name="ScheduleOfFairValueOfTheDrerivativeLiabilityTableTextBlock37" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ScheduleOfWarrantsOutstandingAndExercisableTableTextBlock" name="ScheduleOfWarrantsOutstandingAndExercisableTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ScheduleOfBalanceSheetInformationRelatedToLeaseTableTextBlock" name="ScheduleOfBalanceSheetInformationRelatedToLeaseTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ScheduleOfStockholdersDeficiencyInformationRelatedToLeaseTableTextBlock" name="ScheduleOfStockholdersDeficiencyInformationRelatedToLeaseTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_FiniteLivedIntangibleAssetsAmortizationExpenseYearFourThareafter" name="FiniteLivedIntangibleAssetsAmortizationExpenseYearFourThareafter" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_PatentUsefulLifeDescription" name="PatentUsefulLifeDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_LifeSettlementContractsInvestmentMethodCarryingAmountMaturingInYearThereafter" name="LifeSettlementContractsInvestmentMethodCarryingAmountMaturingInYearThereafter" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ConvertibleNotesPayableRelatedPartiesCurrent" name="ConvertibleNotesPayableRelatedPartiesCurrent" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_IssuedConvertiblePromissoryNoteAmount" name="IssuedConvertiblePromissoryNoteAmount" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_PercentageOfOriginalIssueDiscountRate" name="PercentageOfOriginalIssueDiscountRate" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_MaturityTermPeriodOfConvertibleNotesPayable" name="MaturityTermPeriodOfConvertibleNotesPayable" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DebtDiscountRelatedToOriginalIssueDiscount" name="DebtDiscountRelatedToOriginalIssueDiscount" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_AccountsPayableRelatedPartyCurrent" name="AccountsPayableRelatedPartyCurrent" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DebtInstrumentsMaturityDate" name="DebtInstrumentsMaturityDate" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DebtConversionConvertedAmount" name="DebtConversionConvertedAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_IssuanceOfConvertibleNote" name="IssuanceOfConvertibleNote" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ConvertibleNoteIssuedAmount" name="ConvertibleNoteIssuedAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ConvertibleNoteInterestRate" name="ConvertibleNoteInterestRate" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_AmortizationOfDebtDiscountPremiumRelatedToOid" name="AmortizationOfDebtDiscountPremiumRelatedToOid" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ConvertibleNoteMaturityDate" name="ConvertibleNoteMaturityDate" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_NotesPayableRemainingAmount" name="NotesPayableRemainingAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_NoteMaturityDate" name="NoteMaturityDate" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_GainLossChangeInFairValueOfDerivativeLiability" name="GainLossChangeInFairValueOfDerivativeLiability" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAbstract" nillable="true" abstract="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ClassOfWarrantOrRightExercisePriceOfWarrantsExercisable" name="ClassOfWarrantOrRightExercisePriceOfWarrantsExercisable" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DescritionOfRsusVestedShares" name="DescritionOfRsusVestedShares" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_UnrecognizedShareBasedCompensationCost" name="UnrecognizedShareBasedCompensationCost" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DescriptionOfRegistrationStatement" name="DescriptionOfRegistrationStatement" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ResaleOfRegisteredNumberOfCommonShares" name="ResaleOfRegisteredNumberOfCommonShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_CommonStockPurchaseAgreementMaximumAggregateAmount" name="CommonStockPurchaseAgreementMaximumAggregateAmount" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodNumber" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DescriptionOfCommonStockPurchaseAgreement" name="DescriptionOfCommonStockPurchaseAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ClassOfWarrantUnitsSale" name="ClassOfWarrantUnitsSale" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_SaleOfStockNumberOfSharesWarrantsIssuedInTransaction" name="SaleOfStockNumberOfSharesWarrantsIssuedInTransaction" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_OperatingLeaseWeightedAverageRemainingLeaseTerm" name="OperatingLeaseWeightedAverageRemainingLeaseTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_TermPeriodOfLeaseArea" name="TermPeriodOfLeaseArea" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_RightOfUseAssetAndLeaseLiabilityAmount" name="RightOfUseAssetAndLeaseLiabilityAmount" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_DueToRelatedPartyCurrent" name="DueToRelatedPartyCurrent" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ServicesRenderedByRelatedPartyInvoicesFoundNotRecorded" name="ServicesRenderedByRelatedPartyInvoicesFoundNotRecorded" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_InsiderTradingArragementsAbstract" name="InsiderTradingArragementsAbstract" nillable="true" abstract="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_ConvertibleNotesAbstract" name="ConvertibleNotesAbstract" nillable="true" abstract="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="ueec_RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsAbstract" name="RevisionOfPreviouslyIssuedFinancialStatementsForCorrectionOfImmaterialErrorsAbstract" nillable="true" abstract="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element name="AnyMarketPurchaseAgreementMember" id="ueec_AnyMarketPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="LavelThreeMember" id="ueec_LavelThreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="LavelTwoMember" id="ueec_LavelTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="OctoberSevenTwoZeraTwoFiveMember" id="ueec_OctoberSevenTwoZeraTwoFiveMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="BoardOfDirectorsMember" id="ueec_BoardOfDirectorsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="VendorMember" id="ueec_VendorMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="SubscriptionReceivableMember" id="ueec_SubscriptionReceivableMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="ConvertibleNotesPayableRelatedPartyMember" id="ueec_ConvertibleNotesPayableRelatedPartyMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="OfficersAndDirectorsMember" id="ueec_OfficersAndDirectorsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="AccruedliabilitiesRelatedPartiesMember" id="ueec_AccruedliabilitiesRelatedPartiesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="RelatedPartiesMember" id="ueec_RelatedPartiesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="SeriesAConvertiblePreferredStockMember" id="ueec_SeriesAConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WhiteLionMember" id="ueec_WhiteLionMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="AlumniCapitalMember" id="ueec_AlumniCapitalMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="LavelOneMember" id="ueec_LavelOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="TopsMember" id="ueec_TopsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PromissoryNotePayableMember" id="ueec_PromissoryNotePayableMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="BottomMember" id="ueec_BottomMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="TopMember" id="ueec_TopMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="InstallmentOneMember" id="ueec_InstallmentOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="RobertDenserMember" id="ueec_RobertDenserMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="InstallmentTwoMember" id="ueec_InstallmentTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="InstallmentThreeMember" id="ueec_InstallmentThreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsMember" id="ueec_WarrantsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsOneMember" id="ueec_WarrantsOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="RestatedMember" id="ueec_RestatedMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
</schema>
