《心脏起搏器》ppt课件

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1、CardiacPacemakerfacultyadviser：LiuPenglecturer：ChenLanCardiacpacemakerconstituteandprinciple1catalogueMovetoartificialheartpacemakersystem2Permanentcardiacpacemakercomplications3Thesafetyofthepacemaker4CThereasonofcardiacpacemakerreplacement5Cardiacpacemakerwi

2、thwirelesschargingsystem6Cardiacpacemakerconstituteandprinciple1-1Cardiacpacemakerisaelectronicinstrumentthatcanmoveintointra-individual.Throughthepulsegeneratorelectricalimpulses,viatheconductivewireelectrodeconduction,stimulatingelectrodecontactbytheheartmus

3、cle，maketheheartexcitedandcontraction.Pulsegeneratorpulsecurrentwiresandelectrodesheartmusclelocalmyocardialcellsexciteintercellulargapjunctions、intercalateddiscconnectionsurroundingmyocardiumconductionatrialorventricularexcite,producecontractionCardiacpacemak

4、erconstituteandprinciplele1-2PacemakersystemcompositionPulsegenerator+electrodewires.Pacemakerismainlycomposedofpowersupply(i.e.batteries,nowmainuselithiumbattery-iodine)andtheelectroniccircuitprocess，cangenerateandoutputelectricalpulse.Electrodeconductoristhe

5、conductivewirewithinsulationwrappedoutside,itsfunctionistotransfertheelectricalimpulsesofthepacemakertotheheart,andthelumenelectrocardiogramtransmittedtothepacemakeroftheheartofthesensinglineMovetoartificialheartpacemakersystem2-1Temporarycardiacpacingpercutan

6、eouspacemaker,approvedbyesophagealpacemaker,thechestwallpuncturepacemaker,openchestepicardialpacemakerandtransvenouspacemaker.PermanentpacemakerAtpresent,mostoftheuseoftheendocardialelectrodewires.Technicalpointsincludingveinselection,fixedandpacemakerwireelec

7、trodeembedment。Permanentcardiacpacemakercomplications3-1PermanentpacemakercomplicationsImplantsurgeryrelatedcomplicationsarrhythmialocalbleedingcardiacperforationinfectionthediaphragmaticmusclestimulationPermanentcardiacpacemakercomplications3-2thecomplication

8、srelatedtotheelectrodewireandtreatmentmeasureThresholdincreasingElectrodedislocationandmicrodislocationElectrodewirebrokenorinsulatinglayerbreakdownPermanentcardiacpacemakercomplic