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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001144204-09-059673.txt : 20091116
<SEC-HEADER>0001144204-09-059673.hdr.sgml : 20091116
<ACCEPTANCE-DATETIME>20091116150222
ACCESSION NUMBER:		0001144204-09-059673
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091113
FILED AS OF DATE:		20091116
DATE AS OF CHANGE:		20091116

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VIKING SYSTEMS INC
		CENTRAL INDEX KEY:			0001065754
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				860913802
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		134 FLANDERS ROAD
		CITY:			WESTBOROUGH
		STATE:			MA
		ZIP:			01581
		BUSINESS PHONE:		508-366-3668

	MAIL ADDRESS:	
		STREET 1:		134 FLANDERS ROAD
		CITY:			WESTBOROUGH
		STATE:			MA
		ZIP:			01581

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MIDSUMMER INVESTMENT LTD
		CENTRAL INDEX KEY:			0001312269

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-49636
		FILM NUMBER:		091186130

	BUSINESS ADDRESS:	
		STREET 1:		485 MADISON AVENUE 23RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-584-2140

	MAIL ADDRESS:	
		STREET 1:		485 MADISON AVENUE 23RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>v166359_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

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    <periodOfReport>2009-11-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001065754</issuerCik>
        <issuerName>VIKING SYSTEMS INC</issuerName>
        <issuerTradingSymbol>VKNG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001312269</rptOwnerCik>
            <rptOwnerName>MIDSUMMER INVESTMENT LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MIDSUMMER CAPITAL, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>295 MADISON AVENUE, 48TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
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    </reportingOwner>

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            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2009-11-13</value>
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            <transactionCoding>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
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                    <value>4000</value>
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                <transactionPricePerShare>
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            </transactionAmounts>
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                <sharesOwnedFollowingTransaction>
                    <value>5997351</value>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
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                <transactionPricePerShare>
                    <value>0.470</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <transactionDate>
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                <transactionCode>S</transactionCode>
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                <transactionPricePerShare>
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        <nonDerivativeTransaction>
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                <value>Common Stock</value>
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                    <value>0.510</value>
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                    <value>D</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2009-11-13</value>
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                </transactionShares>
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                    <value>0.309</value>
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                    <value>D</value>
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                    <value>5916619</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Joshua Thomas, Its: Authorized Signatory</signatureName>
        <signatureDate>2009-11-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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-----END PRIVACY-ENHANCED MESSAGE-----