<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-05-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001452965</issuerCik>
        <issuerName>MINERVA SURGICAL INC</issuerName>
        <issuerTradingSymbol>UTRS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001879020</rptOwnerCik>
            <rptOwnerName>Filloux Dominique J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MINERVA SURGICAL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4255 BURTON DRIVE</rptOwnerStreet2>
            <rptOwnerCity>SANTA CLARA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95054</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-05-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60198</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>266289</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">60,198 of the securities are restricted stock units (&quot;RSUs&quot;). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. 25% of the RSUs will vests on May 16, 2023, and additional 25% of the RSUs will vest annually thereafter, subject to the Reporting Person continuing as a service provider through each such date.</footnote>
        <footnote id="F2">24,500 of the securities are restricted stock units (&quot;RSUs&quot;). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. 100% of the RSUs vest on on December 15, 2022, subject to the Reporting Person continuing as a service provider on such date.</footnote>
        <footnote id="F3">24,522 of the securities were acquired pursuant to the exercise of an early-exercise option and remain subject to a right of repurchase by the Company, which shall lapse with respect to one-forty-eighth of the shares on June 10, 2019 and with respect to one-forty-eighth of the remaining shares each month thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Lenka Schvaigerova, Attorney-in-fact for Dominique J. Filloux</signatureName>
        <signatureDate>2022-08-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
