Peruskoostumus
Hemodialyysilaite koostuu pääasiassa dialyysikoneesta, dialyysistä, dialyysistä, dialyysistä, vedenkäsittelyjärjestelmästä jne. Muun muassa dialyysikoneet, dialyysilaitteet, dialyysilaitteet ja dialyysituotteet ovat kaikki luokiteltuja vesilääkeaineryhmiin. aldevices.
1. Dialyysikone
Thedialysismachinecansmoothlyflowbloodanddialysatethroughthedialyzertoachievethepurposeoftreatment.Monitorandcontrolthedialysistreatmentprocesstomaintainthesafetyofthepatientduringthetreatmentprocess.Italsohasthefunctionsofpressuredetection,heparinperfusionandregulation.Thedialysismachinecanbedividedintothreepartsaccordingtoitsfunction:thedialysatesupplysystem,thebloodcirculationcontrolsystemandtheultrafiltrationcontrolsystem.
2. Dialysaattori
Thedialyzerisapipeandcontainerforsoluteexchangebetweenbloodanddialysate.Itismainlycomposedofasupportingstructureandadialysismembranetoreplacethekidney,asshowninthefigure.Show.Thedialysismembraneisthemainpartofthedialyzer,whichseparatesthebloodfromthedialysate.Currently,thecommonlyuseddialyzersarehollowfibertype,andtheflat-typeandtube-typedialyzersusedintheearlydayshavebeenbasicallyeliminated.
3.Dialyysiletku
Usedinconjunctionwiththedialysismachinetoformadisposablemedicaldeviceforextracorporealcirculationduringdialysistreatment.
4. Dialysaatti
Thedialysateisatypeofsolutioncontainingavarietyofionicandnon-ionicsubstances.Thebasiccomponentsaremainlysodium,potassium,calcium,andmagnesiumfourcations,andChlorineandbasearetwoanions,andpartofthedialysatecontainsglucose.Dialysatecanremovemetabolicwasteandmaintainwater,electrolyteandacid-basebalance.Generally,concentratedsolutionAismainlycomposedofaqueoussolutionsofsodiumchloride,potassiumchloride,calciumchloride,magnesiumchloride,andaceticacid;concentratedsolutionBiscomposedofaqueoussolutionsofsodiumbicarbonateorsodiumbicarbonateandsodiumchloride.
5.Vedenkäsittelyjärjestelmä
Tapwatercontainssuspendedsolids,colloids,variouschemicalsubstances,microorganismsandendotoxins.Ifitisnottreateddirectlyfordialysis,itwillcauseseriousclinicalconsequences.Thewatertreatmentsystemcanremovedissolvedsalts,organicmatter,silicacolloids,macromolecularsubstancesandparticulatematternotremovedbypretreatmentinthewater,sothatthewatercanbepurifiedtomeettherequirementsofdialysiswater.
Thewatertreatmentsystemincludeswaterpretreatmentsystem(sandfiltration,softening,activatedcarbonadsorptionandmicrofiltration),waterpurificationsystem(reverseosmosis,deionization),waterstorageandsupplysystem(watertank,Submicronfiltrationandpipelinetransportationsystem).
Workingprinciple
Thedialysisconcentrateanddialysiswaterarepreparedintoqualifieddialysatethroughthedialysatesupplysystem,andthenthebloodofthepatientdrawnfromthebloodmonitoringalarmsystemisprocessedthroughthehemodialysismachine.Solutedispersion,permeationandultrafiltration;thepatient’sbloodisreturnedtothepatient’sbodythroughthebloodmonitoringalarmsystem,andthedialysisliquidisdischargedfromthedialysatesupplysystemasawasteliquid;thecontinuouscycleisrepeatedtocompletetheentiredialysisprocesstoachieveThepurposeoftreatment,itsworkingprincipleisshowninthefigure.
Huolto
1.Poista pöly
ItisnecessarytocheckandcleanthefilterregularlytopreventthefilterfromcloggingandcausingthecircuitboardtoactivatetheoverheatingprotectionduringtheoperationofthemachineorBurnout.Formachinesthathavebeenusedformanyyears,thecircuitboardshouldbedust-removed,orcontactthemanufacturertoreplacethecircuitboard.
2.Liittyvien parametrien tarkastus ja kalibrointi
Becausetheclinicalhemodialysisdevicelastsforalongtimeandissusceptibletothermalandchemicalcorrosion,ifitisnotfoundandadjustedintimeThemachinewillreducethequalityofthepatient'shemodialysis,andevenendangerthepatient'slife.Therefore,theindicatorsshouldbecheckedandcalibratedontimeaccordingtothe"HemodialysisMachineCalibrationSpecification".
3.Koneensuodattimen vaihto
Undernormaltreatmentconditions,bacteriaandendotoxinfiltersaregenerallyreplacedonceevery90days.Iftherearemanypatientstreated,theworkingtimeofthemachineismorethan10hours/Daily,itisrecommendedtoreplaceitevery60days.
4.Koneen päivittäinen desinfiointi
Themachineshouldbedisinfectedaftereachshiftofpatientstopreventtheoccurrenceofcross-infection.Performcitricacidthermaldecalcificationcleaningatleastonceaweektoremovecalciumandmagnesiumdepositsinthemachine;performsodiumhypochloritedisinfectioneveryhalfamonthoramonth(dependingontheactualsituationofthehospital)toremoveorganicmatteraccumulatedinthemachine.
Riskmonitoringduringuse
Inordertopreventtherecurrenceofinjuryincidentscausedbyadverseevents,theStateFoodandDrugAdministrationremindsmedicalstaffanduserstostrengthensafeusetrainingandtreatmentforpatientsPropagandaandeducation,operateinstrictaccordancewiththeregulations,andregularlymaintaintheequipment.Whenperforminghemodialysistreatment,medicalstaffshouldreasonablyweighthebenefitsandrisksofhemodialysisforthepatient,fullyunderstandthepatient'sphysicalfitness,pastmedicalhistory,etc.,strictlygrasptheindications,andstrengthenmonitoringduringtreatment.Patientsshouldstrengthentheirawarenessofself-protection,activelycooperatewithmedicalstaffintreatment,andshouldpromptlyreportandseekmedicaltreatmentiftheyexperiencediscomfortduringoraftertreatment.