基于空氣靜壓技術(shù)的非接觸眼壓測量方法與裝置的研究.pdf

1、重慶大學(xué)碩士學(xué)位論文基于空氣靜壓技術(shù)的非接觸眼壓測量方法與裝置的研究姓名：趙曉明申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：生物醫(yī)學(xué)工程指導(dǎo)教師：陳驥20090603英文摘要ABSTRACTWimthedevelopmentofnationaleconomyandthemodernmedicinethehealthofeyeshasbeenpaidmoreandmoreattentionGlaucomainparticularisonediseasewhi

2、chCanmaketheeyebeblind，oftencalled“l(fā)urkkiller’Forthesereason，manydevelopedcountryhaddonesomeresearchworkonlOPmeasurementThepeopleinitiallyadoptthecontactmeasurements，butthesekindsofmeasurementmakethepatientuncomfortable，

3、andthepatientneedanaesthesiaAtthesametime，itcanbringtheinfectionamongthepatientItisveryunconvenientForthisreason，manycountrieshaddevelopedsomenoncontactmeasurementtechnologies，inparticulartheUnitedStates，Japanandotherdev

4、elopedcountriesTheyalreadyhavemoresophisticatednon—contactmeasurementsofIOPInourcountryanumberofscholarsalsohaveputforwardsomenewtechnologiesButthesenewtechnologieshavenotbeenusedintheactualmeasuringIOENowthesesophistica

5、tedtechnologieshavebeenmonopolizedbyforeigncountriesandthetonometerswhichbasedonthesetechnologiesarecomplexandcostlyInthepaperanewnon—contactmeasurementoflOPwhichusingtheprincipleofforcebalancehasbeenputforwardThismeasur

6、ementisallindirectmeasurementofthepressureinthecomeRItisdifferentfromexistingmeasurementswhichmeasuringIOPbyalgorithmofrelationshipbetweengaspulsedurationandInitialpressureofgascavityAmeasuringdevicebasedonaerostatictech

7、nologyhasbeendesignedinthepaperThemeasuringdeviceiscomposedbyseveralpartsasfollow：theairmoduleformeasuringIOPthemoduleofshell，thefineadjustmentmoduleofdistanceandthemoduleofairsupplyInparticularthedesignoftheairmodulefor

8、measuringlOPisdiscussedThroughtheresearchofairjettechnologyandairstaticpressuretechnologyinthepaperNozzleShapehasbeenchoiceandnozzlediameteranddistancebetweenthenozzleandCorneahasbeencalculatedAndaircushionhasbeendesigne

9、d，whichmadetheairmoduleformeasuringlOPsuspendinginthemoduleofshellwithoutsolidfrictionMeasuringsystemwhichusedAT89S51MCUasmaincontrolparthasbeendesignedInthispaperThecollectivitystructureofhardwarehasbeengivenAndthepaper