<SUBMISSION>
<ACCESSION-NUMBER>0001252986-07-000027
<TYPE>3/A
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20071019
<FILING-DATE>20071102
<DATE-OF-FILING-DATE-CHANGE>20071102
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>RUBASH MARK J
<CIK>0001209186
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3/A
<ACT>34
<FILE-NUMBER>000-30713
<FILM-NUMBER>071209259
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>EBAY INC
<STREET2>2145 HAMILTON AVE
<CITY>SAN JOSE
<STATE>CA
<ZIP>95125
<PHONE>4083765301
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>INTUITIVE SURGICAL INC
<CIK>0001035267
<ASSIGNED-SIC>3842
<IRS-NUMBER>770416458
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>950 KIFER ROAD
<CITY>SUNNYVALE
<STATE>CA
<ZIP>94086
<PHONE>4085232100
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>950 KIFER ROAD
<CITY>SUNNYVALE
<STATE>CA
<ZIP>94086
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2007-10-19</periodOfReport>

    <dateOfOriginalSubmission>2007-10-23</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001035267</issuerCik>
        <issuerName>INTUITIVE SURGICAL INC</issuerName>
        <issuerTradingSymbol>ISRG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001209186</rptOwnerCik>
            <rptOwnerName>RUBASH MARK J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>950 KIFER ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94086</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Mark J. Rubash</signatureName>
        <signatureDate>2007-11-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
