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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,
 M/yitvv7sAKHyOJTR/SuimLkiQRA+nh6fpC6Ps0sXPbbZ/2CPeCwnz/BoKJzTvKc
 KzLWyomGRhIQpgnV7Jo+bg==

<SEC-DOCUMENT>0001140361-05-003922.txt : 20050524
<SEC-HEADER>0001140361-05-003922.hdr.sgml : 20050524
<ACCEPTANCE-DATETIME>20050524102400
ACCESSION NUMBER:		0001140361-05-003922
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050517
FILED AS OF DATE:		20050524
DATE AS OF CHANGE:		20050524

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:			LEMMA DONALD R
		CENTRAL INDEX KEY:			0001238305

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06516
		FILM NUMBER:		05853273

	MAIL ADDRESS:	
		STREET 1:		SCHERING-PLOUGH CORPORATION
		STREET 2:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

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

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001238305</rptOwnerCik>
            <rptOwnerName>LEMMA DONALD R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DATASCOPE CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>14 PHILIPS PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>MONTVALE, NJ</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; Chief Information Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock par value $.01 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>28.525</value>
            </conversionOrExercisePrice>
            <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>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </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>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Donald R. Lemma</signatureName>
        <signatureDate>2005-05-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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