<SUBMISSION>
<ACCESSION-NUMBER>0001209191-06-060048
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20061114
<FILING-DATE>20061116
<DATE-OF-FILING-DATE-CHANGE>20061116
<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>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>DUGGAN ROBERT W
<CIK>0001055919
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-30713
<FILM-NUMBER>061224551
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>8059623755
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1933 CLIFF DRIVE #30
<CITY>SANTA BARBARA
<STATE>CA
<ZIP>93107
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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                <transactionFormType>4</transactionFormType>
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                    <value>D</value>
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    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Robert W. Duggan</signatureName>
        <signatureDate>2006-11-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
