-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RBIXivHm06wCboOQ0m1l5fROw5jFT8zRfhe3nmZn3WNEDPfJH612095WKNF+BiXo
 Ue/EAzAb0JYXm7/kYYNY8Q==

<SEC-DOCUMENT>0000914190-04-000323.txt : 20041103
<SEC-HEADER>0000914190-04-000323.hdr.sgml : 20041103
<ACCEPTANCE-DATETIME>20041103162711
ACCESSION NUMBER:		0000914190-04-000323
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041101
FILED AS OF DATE:		20041103
DATE AS OF CHANGE:		20041103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wood David S
		CENTRAL INDEX KEY:			0001307801

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23837
		FILM NUMBER:		041116671

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		952-829-2700

	MAIL ADDRESS:	
		STREET 1:		SURMODICS, INC.
		STREET 2:		9924 WEST 74TH STREET
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344-3523

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SURMODICS INC
		CENTRAL INDEX KEY:			0000924717
		STANDARD INDUSTRIAL CLASSIFICATION:	PATENT OWNERS & LESSORS [6794]
		IRS NUMBER:				411356149
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		9924 W 74TH ST
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344
		BUSINESS PHONE:		6128292700

	MAIL ADDRESS:	
		STREET 1:		9924 WEST 74TH ST
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BSI CORP
		DATE OF NAME CHANGE:	19970506
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-11-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000924717</issuerCik>
        <issuerName>SURMODICS INC</issuerName>
        <issuerTradingSymbol>SRDX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001307801</rptOwnerCik>
            <rptOwnerName>Wood David S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9924 WEST 74TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>EDEN PRAIRIE</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55344-3523</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP &amp; General Manager</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>David S. Wood</signatureName>
        <signatureDate>2004-11-03</signatureDate>
    </ownerSignature>
</ownershipDocument>

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