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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Bvr+Cic/Fcrz8NvZmb77vculHz2mbvveERKX/AOn3ONnN7CACBkBX9auN3KTdFjE
 Cmj7T67kwjod6OXyMA8aOQ==

<SEC-DOCUMENT>0001181431-05-045907.txt : 20050810
<SEC-HEADER>0001181431-05-045907.hdr.sgml : 20050810
<ACCEPTANCE-DATETIME>20050810191240
ACCESSION NUMBER:		0001181431-05-045907
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050608
FILED AS OF DATE:		20050810
DATE AS OF CHANGE:		20050810

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TUCKER ROBERT D
		CENTRAL INDEX KEY:			0001269495

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30959
		FILM NUMBER:		051014757

	MAIL ADDRESS:	
		STREET 1:		ONE HORIZON WAY
		CITY:			MANCHESTER
		STATE:			GA
		ZIP:			31816

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RITA MEDICAL SYSTEMS INC
		CENTRAL INDEX KEY:			0001056421
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				943199149
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		967 N SHORELINE BLVD
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94013
		BUSINESS PHONE:		6503858500

	MAIL ADDRESS:	
		STREET 1:		967 NORTH SHORELINE BLVD
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94043
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>rrd89005.xml
<DESCRIPTION>FORM 4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2005-06-08</periodOfReport>

    <dateOfOriginalSubmission>2005-06-09</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001056421</issuerCik>
        <issuerName>RITA MEDICAL SYSTEMS INC</issuerName>
        <issuerTradingSymbol>RITA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001269495</rptOwnerCik>
            <rptOwnerName>TUCKER ROBERT D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>967 N. SHORELINE BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to purchase, right to buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.85</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-06-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>27000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-06-08</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-06-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>27000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">100% vested on 6/8/2006</footnote>
    </footnotes>

    <remarks>Amendment of Form 4 filed on 6/9/2005.  Vesting period changed from 2.7778% per month for 36 months to 100% vested on 6/8/2006.</remarks>

    <ownerSignature>
        <signatureName>Robert Tucker, by Richard De Young, Attorney in Fact</signatureName>
        <signatureDate>2005-08-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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