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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QOKXBWL+ev5+sc6Q6T4+fwWAH1O+Wsl8z32JQZwZ9vcvfdTNnPgnRcYquAC9UJvi
 bG8U5X+HBX/+Z+JWFHmsVQ==

<SEC-DOCUMENT>0001209191-06-012685.txt : 20060223
<SEC-HEADER>0001209191-06-012685.hdr.sgml : 20060223
<ACCEPTANCE-DATETIME>20060223154207
ACCESSION NUMBER:		0001209191-06-012685
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060220
FILED AS OF DATE:		20060223
DATE AS OF CHANGE:		20060223

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIAMETRICS MEDICAL INC
		CENTRAL INDEX KEY:			0000895380
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				411663185
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2658 PATTON RD
		CITY:			ROSEVILLE
		STATE:			MN
		ZIP:			55113
		BUSINESS PHONE:		6516398035

	MAIL ADDRESS:	
		STREET 1:		2658 PATTON ROAD
		CITY:			ROSEVILLE
		STATE:			MN
		ZIP:			55113

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ocean Park Advisors, LLC
		CENTRAL INDEX KEY:			0001343046
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21982
		FILM NUMBER:		06639483

	BUSINESS ADDRESS:	
		STREET 1:		5710 CRESCENT PARK EAST
		STREET 2:		SUITE 334
		CITY:			PLAYA VISTA
		STATE:			CA
		ZIP:			90094
		BUSINESS PHONE:		310-745-0701

	MAIL ADDRESS:	
		STREET 1:		5710 CRESCENT PARK EAST
		STREET 2:		SUITE 334
		CITY:			PLAYA VISTA
		STATE:			CA
		ZIP:			90094
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>bmn02825_bmn1opa.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-02-20</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000895380</issuerCik>
        <issuerName>DIAMETRICS MEDICAL INC</issuerName>
        <issuerTradingSymbol>DMED.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001343046</rptOwnerCik>
            <rptOwnerName>Ocean Park Advisors, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5710 CRESCENT PARK EAST</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 334</rptOwnerStreet2>
            <rptOwnerCity>PLAYA VISTA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90094</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Series I Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.001</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-12-02</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>137940000</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Until February 20, 2006, the reporting person was not permitted to exercise or convert the Series I Convertible Preferred Stock for a number of shares greater than the number that would cause the aggregate beneficial ownership of the Issuer's Common Stock of the Reporting person and its affiliates to exceed 9.99% of the Issuer's Common Stock then outstanding.</footnote>
        <footnote id="F2">The Series I Convertible Preferred Stock has no expiration date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>W. Bruce Comer, III, Prinicpal</signatureName>
        <signatureDate>2006-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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