-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 2dGcdRsuIHHP3zPB1TU3Lw==

<SEC-DOCUMENT>0000931731-03-000334.txt : 20030922
<SEC-HEADER>0000931731-03-000334.hdr.sgml : 20030922
<ACCEPTANCE-DATETIME>20030922093613
ACCESSION NUMBER:		0000931731-03-000334
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030919
FILED AS OF DATE:		20030922

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEINTRAUB B LEIGH
		CENTRAL INDEX KEY:			0001184965

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18592
		FILM NUMBER:		03903495

	BUSINESS ADDRESS:	
		STREET 1:		MERIT MEDICAL SYSTEMS INC
		STREET 2:		1600 W. MERIT PARKWAY
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERIT MEDICAL SYSTEMS INC
		CENTRAL INDEX KEY:			0000856982
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				870447695
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1600 WEST MERIT PARK WAY
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095
		BUSINESS PHONE:		8012531600

	MAIL ADDRESS:	
		STREET 1:		1600 WEST MERIT PARKWAY
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-blw091903_ex.xml
<TEXT>
<XML>
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<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-09-19</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000856982</issuerCik>
        <issuerName>MERIT MEDICAL SYSTEMS INC</issuerName>
        <issuerTradingSymbol>MMSI</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001184965</rptOwnerCik>
            <rptOwnerName>WEINTRAUB B LEIGH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>MERIT MEDICAL SYSTEMS INC</rptOwnerStreet1>
            <rptOwnerStreet2>1600 W. MERIT PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>SOUTH JORDAN</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84095</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>0</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>Vice President Operations</officerTitle>
      </reportingOwnerRelationship>
   </reportingOwner>
 <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, no par value</value>
      </securityTitle>
      <transactionDate>
         <value>2003-09-19</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-09-19</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>3939</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>2.76</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>4679</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, no par value</value>
      </securityTitle>
      <transactionDate>
         <value>2003-09-19</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-09-19</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>S</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>3939</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>23.80</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1740</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, no par value</value>
      </securityTitle>
      <transactionDate>
         <value>1988-08-08</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>1988-08-08</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>A</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>5764</value>
         </transactionShares>
         <transactionPricePerShare>
            <footnoteId id="F1"/>
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         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
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      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>5764</value>
         </sharesOwnedFollowingTransaction>
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      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
            <footnoteId id="F1"/>
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   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock, no par value</value>
      </securityTitle>
      <transactionDate>
         <value>1988-08-08</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>1988-08-08</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>A</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionAmounts>
         <transactionShares>
           <value>5137</value>
         </transactionShares>
         <transactionPricePerShare>
            <footnoteId id="F2"/>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
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      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>5137</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
            <value>by 401(k) Plan</value>
            <footnoteId id="F2"/>
         </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
 </nonDerivativeTable>
 <derivativeTable>
   <derivativeTransaction>
      <securityTitle>
         <value>Nonqualified stock option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>10.14</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>1988-08-08</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>1988-08-08</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>33333</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>10.14</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2002-12-08</value>
            <footnoteId id="F3"/>
      </exerciseDate>
      <expirationDate>
         <value>2011-12-08</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>33333</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>33333</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
   <derivativeTransaction>
      <securityTitle>
         <value>Nonqualified stock option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>2.76</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-09-16</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-09-16</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>25001</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>2.76</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2003-02-12</value>
            <footnoteId id="F6"/>
      </exerciseDate>
      <expirationDate>
         <value>2011-02-12</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>3939</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>3939</value>
         </sharesOwnedFollowingTransaction>
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      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
   <derivativeTransaction>
      <securityTitle>
         <value>Nonqualified stock option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>3.14</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>1988-08-08</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>1988-08-08</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>3647</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>3.14</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2000-04-23</value>
            <footnoteId id="F5"/>
      </exerciseDate>
      <expirationDate>
         <value>2004-10-23</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>3647</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>3647</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
   <derivativeTransaction>
      <securityTitle>
         <value>Nonqualified stock option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>2.76</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>1988-08-08</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>1988-08-08</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionAmounts>
         <transactionShares>
           <value>4167</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>2.76</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>1999-09-30</value>
            <footnoteId id="F4"/>
      </exerciseDate>
      <expirationDate>
         <value>2004-03-31</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>4167</value>
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      </underlyingSecurity>
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         <sharesOwnedFollowingTransaction>
           <value>4167</value>
         </sharesOwnedFollowingTransaction>
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      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
   <derivativeTransaction>
      <securityTitle>
         <value>Nonqualified stock option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>12.99</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>1988-08-08</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>1988-08-08</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionAmounts>
         <transactionShares>
           <value>26667</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>12.99</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2004-02-06</value>
            <footnoteId id="F7"/>
      </exerciseDate>
      <expirationDate>
         <value>2013-02-06</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>26667</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>26667</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
 </derivativeTable>
   <footnotes>
      <footnote id="F1"> by employee stock purchase plan</footnote>

      <footnote id="F2"> by 401(K) plan; represent plan holdings a/o 8/25/03 per most recent plan statement timely distributed</footnote>

      <footnote id="F3"> Become exercisable in equal annual installments of 20% beginning 12/08/02</footnote>

      <footnote id="F4"> Become exercisable in equal annual installments of 20% beginning 09/30/99</footnote>

      <footnote id="F5"> Become exercisable in equal annual installments of 20% beginning 04/23/00</footnote>

      <footnote id="F6"> Become exercisable in equal annual installments of 20% beginning 02/12/02</footnote>

      <footnote id="F7"> Become exercisable in equal annual installments of 20% beginning 02/06/04</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>B. Leigh Weintraub</signatureName>
      <signatureDate>2003-09-19</signatureDate>
   </ownerSignature>
</ownershipDocument>

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</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----