PB_840呼吸机气路系统工作原理

402282007.8PB-840,(,310006)[]PB-840,PB840[];;[]R318.6[]A[]1007-7510(2007)08-0040-02DiscussionontheWorkingPrincipleofPB-840VentilatorLIUYue-huiPANJiao-cheng(ZhejiangProvincialHospitalofTraditionalChineseMedicine,HangzhouZhejiang310006,China)Abstract:PB-840ventilatorisbroadlyusedinthehospitalsallovertheworld.Thepaperdescribestheworkingprin2cipleofPB-840ventilatorindetail.Keywords:ventilator;ventilatorairpiping;flowsensorPB-840,,,,PB-840PB-840,1/1.1(),PS1PS2,31.5psi,,20psi,,NOO2SUPPLYNOAIRSUPPLY,,,:(F2)(WT1),(CV2)(CV4),(),CV2,CV4,(),CV4,CV2,:(F1)(F3),,(F4F5),(REG2)(REG1),10.51.5psiF6F7,TP2TP1,1.2,,:,(Q1)(Q2)(PSOL1PSOL2):2007-03-19:2007-04-131©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(I0),VoutEPROM,,POST,BDU,,:(/)(25ml2500ml)(21%100%)(1min100/min)1.3/1.3.1(SV)PSOL/SV,+12V,(POST),,(SVO),SVO,SVO,,,100120cmH2O,SVO,(CV3),,1.3.2(OS),7%,PIPEPA(SOL1),(PI),SOL1PIPEPI,2,()()()(,)3(CV5),,(EXHHTR),,(Q3)Q1Q2,,,(SOL2)SOL1(EV)BDUCPU,BDU,EV,,EV,()PEEP4,BDUBDU/(F12),(M/C),,(RV),36psi,,(HE),(WT2),WT2,(HB)(Dryer),,,,,20%(SOL3),,SOL3,SOL3(Accumulator)1LPC,,:,PS2PB-840,,[][1],.[M].:,2003.(94)©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.::();:,:,;;2.1.2,:,,2.2,,::,:2.3,,,,,,,,,,,,;,,;,,,,,,,,3,,4,,,,,[][1],.[M].:,2004.[2],[M].:,2002.[3],[J].,2006,27(1):58-59.[4],,[J].,2003,27(4):299-306.[5],[J].20059(1):36-38.[6],.[J].,2006(2):49-50.[7],.[J].,2006(10):66-67(41)[2],.[M].:,2002.[3].[M].:,2000.[4],.PB-840[J].,2003,18(4):50.[5].[J].,2005,20(6):28-30.[6]DojatM,BrochardL:Knowiedge-BasedSystemsforAutomaticVentilatoryManagementRespiratoryCareClinicsofNorthAmerice.W.B.SaudersCompany,2001,7(3).©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.