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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,
 Fbq7a6QfjibFnjQMdv27QL7UBS5r9fxT0RndnvznGFf7JjG0HnABM8Xzcfj4q5a3
 1phrHr7XnklLSEFiapMlsA==

<SEC-DOCUMENT>0001033754-03-000002.txt : 20031107
<SEC-HEADER>0001033754-03-000002.hdr.sgml : 20031107
<ACCEPTANCE-DATETIME>20031107095653
ACCESSION NUMBER:		0001033754-03-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031105
FILED AS OF DATE:		20031107

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLC SYSTEMS INC
		CENTRAL INDEX KEY:			0000879682
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				043153858
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10 FORGE PK
		CITY:			FRANKLIN
		STATE:			MA
		ZIP:			02038
		BUSINESS PHONE:		5085418800

	MAIL ADDRESS:	
		STREET 1:		10 FORGE PARK
		CITY:			FRANKLIN
		STATE:			MA
		ZIP:			02038

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RUDKO ROBERT I
		CENTRAL INDEX KEY:			0001033754

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11388
		FILM NUMBER:		03983760

	BUSINESS ADDRESS:	
		STREET 1:		PLC MEDICAL SYSTEMS INC
		STREET 2:		10 FORGE PARK
		CITY:			FRANKLIN
		STATE:			MA
		ZIP:			02038
		BUSINESS PHONE:		5085418800

	MAIL ADDRESS:	
		STREET 1:		C/O PLC MEDICAL SYSTEMS INC
		STREET 2:		10 FOREG PARK
		CITY:			FRANKLIN
		STATE:			MA
		ZIP:			02038
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-11-05</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000879682</issuerCik>
        <issuerName>PLC SYSTEMS INC</issuerName>
        <issuerTradingSymbol>PLC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001033754</rptOwnerCik>
            <rptOwnerName>RUDKO ROBERT I</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PLC MEDICAL SYSTEMS INC</rptOwnerStreet1>
            <rptOwnerStreet2>10 FOREG PARK</rptOwnerStreet2>
            <rptOwnerCity>FRANKLIN</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02038</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Scientific Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>

        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.25</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-11-05</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-11-05</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.25</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-11-05</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-11-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>45000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>

    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option vests over three years in equal annual installments beginning November 5, 2004</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>Robert I. Rudko</signatureName>
        <signatureDate>2003-11-07</signatureDate>
    </ownerSignature>

</ownershipDocument>

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