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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CjR9YKelTkhWdUrAvrfvgoe8aMnIatv2OpFqig6qNUR+3cKmGF7NhM86RhVHVbV/
 lLvJsBHTsf/4zTC4uRrAHA==

<SEC-DOCUMENT>0001140361-05-003809.txt : 20050519
<SEC-HEADER>0001140361-05-003809.hdr.sgml : 20050519
<ACCEPTANCE-DATETIME>20050519120517
ACCESSION NUMBER:		0001140361-05-003809
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050517
FILED AS OF DATE:		20050519
DATE AS OF CHANGE:		20050519

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DATASCOPE CORP
		CENTRAL INDEX KEY:			0000027096
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				132529596
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		14 PHILLIPS PKWY
		CITY:			MONTVALE
		STATE:			NJ
		ZIP:			07645-9998
		BUSINESS PHONE:		2013918100

	MAIL ADDRESS:	
		STREET 1:		14 PHILIPS PARKWAY
		CITY:			MONTVALE
		STATE:			NJ
		ZIP:			07645

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gunning Terence J
		CENTRAL INDEX KEY:			0001291740

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06516
		FILM NUMBER:		05843847

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		201-307-5511

	MAIL ADDRESS:	
		STREET 1:		C/O DATASCOPE CORP
		STREET 2:		14 PHILIPS PARKWAY
		CITY:			MONTVALE
		STATE:			NJ
		ZIP:			07649
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-05-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000027096</issuerCik>
        <issuerName>DATASCOPE CORP</issuerName>
        <issuerTradingSymbol>DSCP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001291740</rptOwnerCik>
            <rptOwnerName>Gunning Terence J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>14  PHILIPS PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MONTVALE, N.J.</rptOwnerCity>
            <rptOwnerState>X1</rptOwnerState>
            <rptOwnerZipCode>07645</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP;President Cardiac Assist</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>28.525</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-05-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-05-17</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-05-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Prior to the fifth anniversary of the grant date, the option is exercisable only if the average of the high and low sale prices of the Issuer's Common Stock as quoted on The NASDAQ Stock Market on the trading day immediately preceding the exercise date is equal to or greater than $38.525.  After the fifth anniversary of the grant date, the option is fully exercisable, without any regard to the Issuer's Common Stock.</footnote>
        <footnote id="F2">See Column 2 for exercise price.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Terence J. Gunning</signatureName>
        <signatureDate>2005-05-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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