-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 S//OzAszrvsEz1w3ZaaOepspjhTk0QeeA0wb3sTi/TRTeUhNYWsmLpQrOoAQJbu8
 TbFNqRRkMYyVoKlSaJZFlQ==

<SEC-DOCUMENT>0001104659-03-014315.txt : 20030709
<SEC-HEADER>0001104659-03-014315.hdr.sgml : 20030709
<ACCEPTANCE-DATETIME>20030709132036
ACCESSION NUMBER:		0001104659-03-014315
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030708
FILED AS OF DATE:		20030709

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CARDIOTECH INTERNATIONAL INC
		CENTRAL INDEX KEY:			0001011060
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				043186647
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		78-E OLYMPIA AVENUE
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801-4772
		BUSINESS PHONE:		7819334772

	MAIL ADDRESS:	
		STREET 1:		11 STATE ST
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARMINI ANTHONY J
		CENTRAL INDEX KEY:			0001089411

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11737
		FILM NUMBER:		03779689

	BUSINESS ADDRESS:	
		STREET 1:		C/O IMPLANT SCIENCES CORP
		STREET 2:		107 AUDUISON ROAD, #5
		CITY:			WAKEFIELD
		STATE:			MA
		ZIP:			01880
		BUSINESS PHONE:		7812460700

	MAIL ADDRESS:	
		STREET 1:		C/O IMPLANT SCIENCES CORP
		STREET 2:		107 AUDUISON ROAD, # 5
		CITY:			WAKEFIELD
		STATE:			MA
		ZIP:			01880
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>j2929_4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
  <periodOfReport>2003-07-08</periodOfReport>
  <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001011060</issuerCik>
        <issuerName>CARDIOTECH INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>CTE</issuerTradingSymbol>
  </issuer>
  <reportingOwner>
    <reportingOwnerId>
            <rptOwnerCik>0001089411</rptOwnerCik>
            <rptOwnerName>ARMINI ANTHONY J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
      <isDirector>1</isDirector>
      <isOfficer>0</isOfficer>
      <isTenPercentOwner>0</isTenPercentOwner>
      <isOther>0</isOther>
    </reportingOwnerRelationship>
  </reportingOwner>
  <nonDerivativeSecurity>
    <securityTitle>
      <value>Common stock</value>
    </securityTitle>
    <transactionDate>
      <value>2003-07-08</value>
    </transactionDate>
    <transactionCoding>
      <transactionFormType>5</transactionFormType>
      <transactionCode>A</transactionCode>
      <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
    <transactionTimeliness>
      <value>E</value>
    </transactionTimeliness>
    <transactionAmounts>
      <transactionShares>
        <value>5000</value>
      </transactionShares>
      <transactionValue>
        <value>0.92</value>
      </transactionValue>
      <transactionAcquiredDisposedCode>
        <value>A</value>
      </transactionAcquiredDisposedCode>
    </transactionAmounts>
    <postTransactionAmounts>
      <sharesOwnedFollowingTransaction>
        <value>6000</value>
      </sharesOwnedFollowingTransaction>
    </postTransactionAmounts>
    <ownershipNature>
      <directOrIndirectOwnership>
        <value>D</value>
      </directOrIndirectOwnership>
    </ownershipNature>
  </nonDerivativeSecurity>
  <derivativeSecurity>
    <securityTitle>
      <value>Stock option</value>
    </securityTitle>
    <conversionOrExercisePrice>
      <value>2.0625</value>
    </conversionOrExercisePrice>
    <transactionDate>
      <value>2000-10-26</value>
    </transactionDate>
    <transactionCoding>
      <transactionFormType>4</transactionFormType>
      <transactionCode>A</transactionCode>
      <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
    <transactionTimeliness>
      <value/>
    </transactionTimeliness>
    <transactionAmounts>
      <transactionShares>
        <value>19625</value>
      </transactionShares>
      <transactionValue>
        <value>2.0625</value>
      </transactionValue>
      <transactionAcquiredDisposedCode>
        <value>A</value>
      </transactionAcquiredDisposedCode>
    </transactionAmounts>
    <exerciseDate>
      <value>2000-10-26</value>
    </exerciseDate>
    <expirationDate>
      <value>2010-10-25</value>
    </expirationDate>
    <underlyingSecurity>
      <underlyingSecurityTitle>
        <value>Stock option</value>
      </underlyingSecurityTitle>
      <underlyingSecurityShares>
        <value>19625</value>
      </underlyingSecurityShares>
    </underlyingSecurity>
    <postTransactionAmounts>
      <sharesOwnedFollowingTransaction>
        <value>19625</value>
      </sharesOwnedFollowingTransaction>
    </postTransactionAmounts>
    <ownershipNature>
      <directOrIndirectOwnership>
        <value>D</value>
      </directOrIndirectOwnership>
    </ownershipNature>
  </derivativeSecurity>
  <derivativeSecurity>
    <securityTitle>
      <value>Stock option</value>
    </securityTitle>
    <conversionOrExercisePrice>
      <value>1.10</value>
    </conversionOrExercisePrice>
    <transactionDate>
      <value>2001-04-30</value>
    </transactionDate>
    <transactionCoding>
      <transactionFormType>4</transactionFormType>
      <transactionCode>A</transactionCode>
      <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
    <transactionTimeliness>
      <value/>
    </transactionTimeliness>
    <transactionAmounts>
      <transactionShares>
        <value>25000</value>
      </transactionShares>
      <transactionValue>
        <value>1.10</value>
      </transactionValue>
      <transactionAcquiredDisposedCode>
        <value>A</value>
      </transactionAcquiredDisposedCode>
    </transactionAmounts>
    <exerciseDate>
      <value>2001-04-30</value>
    </exerciseDate>
    <expirationDate>
      <value>2011-04-29</value>
    </expirationDate>
    <underlyingSecurity>
      <underlyingSecurityTitle>
        <value>Stock options</value>
      </underlyingSecurityTitle>
      <underlyingSecurityShares>
        <value>25000</value>
      </underlyingSecurityShares>
    </underlyingSecurity>
    <postTransactionAmounts>
      <sharesOwnedFollowingTransaction>
        <value>25000</value>
      </sharesOwnedFollowingTransaction>
    </postTransactionAmounts>
    <ownershipNature>
      <directOrIndirectOwnership>
        <value>D</value>
      </directOrIndirectOwnership>
    </ownershipNature>
  </derivativeSecurity>
  <derivativeSecurity>
    <securityTitle>
      <value>Stock options</value>
    </securityTitle>
    <conversionOrExercisePrice>
      <value>1.61</value>
    </conversionOrExercisePrice>
    <transactionDate>
      <value>2001-10-01</value>
    </transactionDate>
    <transactionCoding>
      <transactionFormType>4</transactionFormType>
      <transactionCode>A</transactionCode>
      <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
    <transactionTimeliness>
      <value/>
    </transactionTimeliness>
    <transactionAmounts>
      <transactionShares>
        <value>25522</value>
      </transactionShares>
      <transactionValue>
        <value>1.61</value>
      </transactionValue>
      <transactionAcquiredDisposedCode>
        <value>A</value>
      </transactionAcquiredDisposedCode>
    </transactionAmounts>
    <exerciseDate>
      <value>2001-10-01</value>
    </exerciseDate>
    <expirationDate>
      <value>2011-09-29</value>
    </expirationDate>
    <underlyingSecurity>
      <underlyingSecurityTitle>
        <value>Stock options</value>
      </underlyingSecurityTitle>
      <underlyingSecurityShares>
        <value>25522</value>
      </underlyingSecurityShares>
    </underlyingSecurity>
    <postTransactionAmounts>
      <sharesOwnedFollowingTransaction>
        <value>25522</value>
      </sharesOwnedFollowingTransaction>
    </postTransactionAmounts>
    <ownershipNature>
      <directOrIndirectOwnership>
        <value>D</value>
      </directOrIndirectOwnership>
    </ownershipNature>
  </derivativeSecurity>
  <derivativeSecurity>
    <securityTitle>
      <value>Common stock</value>
    </securityTitle>
    <conversionOrExercisePrice>
      <value>1.04</value>
    </conversionOrExercisePrice>
    <transactionDate>
      <value>2003-03-12</value>
    </transactionDate>
    <transactionCoding>
      <transactionFormType>4</transactionFormType>
      <transactionCode>P</transactionCode>
      <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
    <transactionTimeliness>
      <value/>
    </transactionTimeliness>
    <transactionAmounts>
      <transactionShares>
        <value>1000</value>
      </transactionShares>
      <transactionValue>
        <value>1.04</value>
      </transactionValue>
      <transactionAcquiredDisposedCode>
        <value>A</value>
      </transactionAcquiredDisposedCode>
    </transactionAmounts>
    <exerciseDate>
      <value>2003-03-12</value>
    </exerciseDate>
    <expirationDate>
      <value>2012-03-11</value>
    </expirationDate>
    <underlyingSecurity>
      <underlyingSecurityTitle>
        <value>Common stock</value>
      </underlyingSecurityTitle>
      <underlyingSecurityShares>
        <value>1000</value>
      </underlyingSecurityShares>
    </underlyingSecurity>
    <postTransactionAmounts>
      <sharesOwnedFollowingTransaction>
        <value>1000</value>
      </sharesOwnedFollowingTransaction>
    </postTransactionAmounts>
    <ownershipNature>
      <directOrIndirectOwnership>
        <value>D</value>
      </directOrIndirectOwnership>
    </ownershipNature>
  </derivativeSecurity>
  <derivativeSecurity>
    <securityTitle>
      <value>Stock option</value>
    </securityTitle>
    <conversionOrExercisePrice>
      <value>1.59</value>
    </conversionOrExercisePrice>
    <transactionDate>
      <value>2002-10-28</value>
    </transactionDate>
    <transactionCoding>
      <transactionFormType>4</transactionFormType>
      <transactionCode>A</transactionCode>
      <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
    <transactionTimeliness>
      <value/>
    </transactionTimeliness>
    <transactionAmounts>
      <transactionShares>
        <value>6843</value>
      </transactionShares>
      <transactionValue>
        <value>1.59</value>
      </transactionValue>
      <transactionAcquiredDisposedCode>
        <value>A</value>
      </transactionAcquiredDisposedCode>
    </transactionAmounts>
    <exerciseDate>
      <value>2002-10-28</value>
    </exerciseDate>
    <expirationDate>
      <value>2012-10-27</value>
    </expirationDate>
    <underlyingSecurity>
      <underlyingSecurityTitle>
        <value>Stock options</value>
      </underlyingSecurityTitle>
      <underlyingSecurityShares>
        <value>6843</value>
      </underlyingSecurityShares>
    </underlyingSecurity>
    <postTransactionAmounts>
      <sharesOwnedFollowingTransaction>
        <value>6843</value>
      </sharesOwnedFollowingTransaction>
    </postTransactionAmounts>
    <ownershipNature>
      <directOrIndirectOwnership>
        <value>D</value>
      </directOrIndirectOwnership>
    </ownershipNature>
  </derivativeSecurity>
  <ownerSignature>
    <signatureName>/s/ Anthony Armini</signatureName>
    <signatureDate>2003-07-08</signatureDate>
  </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----