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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 UCcq6hWVXrVEY/Wvq8AJZg==

<SEC-DOCUMENT>0001181431-04-032106.txt : 20040624
<SEC-HEADER>0001181431-04-032106.hdr.sgml : 20040624
<ACCEPTANCE-DATETIME>20040624112205
ACCESSION NUMBER:		0001181431-04-032106
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040622
FILED AS OF DATE:		20040624

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NMT MEDICAL INC
		CENTRAL INDEX KEY:			0001017259
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				954090463
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		27 WORMWOOD STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		6177370930

	MAIL ADDRESS:	
		STREET 1:		27 WORMWOOD STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NITINOL MEDICAL TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19960619

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HANLEY DANIEL F  MD
		CENTRAL INDEX KEY:			0001245496

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21001
		FILM NUMBER:		04878677

	BUSINESS ADDRESS:	
		STREET 1:		C/O JOHNS HOPKINS MEDICAL INSTITUTIONS
		STREET 2:		600 N WOLFE ST JEFFERSON 1-109
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21287-7840
		BUSINESS PHONE:		4106145185

	MAIL ADDRESS:	
		STREET 1:		C/O JOHNS HOPKINS MEDICAL INSTITUTIONS
		STREET 2:		600 N WOLFE ST JEFFERSON 1-109
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21287 7840
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd45808.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-06-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001017259</issuerCik>
        <issuerName>NMT MEDICAL INC</issuerName>
        <issuerTradingSymbol>NMTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001245496</rptOwnerCik>
            <rptOwnerName>HANLEY DANIEL F  MD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O JOHNS HOPKINS MEDICAL INSTITUTIONS</rptOwnerStreet1>
            <rptOwnerStreet2>600 N. WOLFE STREET</rptOwnerStreet2>
            <rptOwnerCity>BALTIMORE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21287-7840</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.94</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-06-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.94</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-12-22</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-06-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Vests in full six months from grant date</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Daniel F. Hanley MD</signatureName>
        <signatureDate>2004-06-23</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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