IBhodi yoLawulo lwe-ECG yezoNyango
Iinkcukacha
I-teknoloji ye-PPG esekelwe kwi-optical monitoring yiteknoloji ye-optical ekwazi ukufumana ulwazi lomsebenzi wenhliziyo ngaphandle kokulinganisa izibonakaliso ze-bioelectrical.Umgaqo osisiseko kukuba njengoko intliziyo ibetha, kuya kubakho amaza oxinzelelo athunyelwa ngemithambo yegazi.Eli maza liza kutshintsha kancinane ububanzi bemithambo yegazi.Uhlolo lwe-PPG lusebenzisa olu tshintsho ukufumana utshintsho lwentliziyo ngalo lonke ixesha ibetha.I-PPG isetyenziswa ikakhulu ukulinganisa ukugcwala kweoksijini egazini (SpO2), ngoko ke inokufumana umlinganiselo wentliziyo (oko kukuthi ukubetha kwentliziyo) idatha yesifundo ngendlela elula.
I-Electrode-based based monitoring technology ECG ifunyenwe yi-bioelectricity, kwaye ukuhanjiswa kwentliziyo okunokuthi kubonwe ngokusebenzisa i-electrodes efakwe kumphezulu wolusu lomntu.Kumjikelo ngamnye wentliziyo, intliziyo iyachulumanca ngokulandelelanayo yi-pacemaker, i-atrium, kunye ne-ventricle, ikhatshwa lutshintsho kwintshukumo yentshukumo yeeseli ezingenakubalwa ze-myocardial.Olu tshintsho lwe-bioelectric lubizwa ngokuba yi-ECG.Ngokubamba imiqondiso ye-bioelectric kwaye emva koko isebenze ngedijithali, iguqulwa ibe Emva kokulungiswa komqondiso wedijithali, inokuvelisa ulwazi oluchanekileyo kunye nolwazi lwempilo yentliziyo.
Ngokuthelekisa: iteknoloji yePPG esekelwe kwi-optical monitoring ilula kwaye iphantsi kweendleko, kodwa ukuchaneka kwedatha efunyenweyo ayiphezulu kwaye ixabiso lentliziyo lifunyenwe kuphela.Nangona kunjalo, i-electrode-based based monitoring technology ECG inzima ngakumbi, kwaye isignali efunyenweyo ichaneke ngakumbi kwaye ibandakanya umjikelezo wonke wentliziyo, kubandakanywa neqela le-PQRST wave, ngoko ixabiso liphezulu.Ukujongwa kwe-ECG enxibekayo, ukuba ufuna ukufumana imiqondiso ye-ECG echanekileyo, ukusebenza okuphezulu kwe-ECG ezinikeleyo kubalulekile.Ngenxa yomgangatho ophezulu wobugcisa, le chip ye-high-precision chip ngoku isetyenziswa kakhulu yi-TI yangaphandle, Ibonelelwa ziinkampani ezifana ne-ADI, ii-chips zasekhaya zinendlela ende yokuhamba.
I-TI's ECG-specific chips iquka i-ADS129X series, kuquka i-ADS1291 kunye ne-ADS1292 yezicelo ezinokunxitywa.I-chip ye-ADS129X ye-series ine-24-bit ye-ADC eyakhelwe-ngaphakathi, enophawu oluchanekileyo lomqondiso, kodwa izinto ezingalunganga zokusetyenziswa kwiimeko ezinxitywayo zezi: ubungakanani bepakethi yale chip bukhulu, ukusetyenziswa kwamandla kukhulu, kwaye kukho ezininzi. amacandelo e-peripheral.Ukongezelela, ukusebenza kwale chip kwiqoqo le-ECG usebenzisa i-electrodes yensimbi yi-avareji, kwaye ukusetyenziswa kwee-electrodes zetsimbi kwizicelo ezinxibekayo akunakugwenywa.Enye ingxaki enkulu ngolu luhlu lwee-chips kukuba ixabiso leyunithi yexabiso liphezulu kakhulu, ngakumbi kumxholo wokunqongophala okungundoqo, unikezelo lunqongophele kwaye ixabiso lihlala liphezulu.
I-ADS's ECG-specific chips ziquka i-ADAS1000 kunye ne-AD8232, apho i-AD8232 ijoliswe kwizicelo ezinokunxiba, ngelixa i-ADAS1000 isetyenziselwa izixhobo zonyango eziphezulu.I-ADAS1000 inomgangatho wesignali ethelekiswa ne-ADS129X, kodwa iingxaki ezininzi ziquka ukusetyenziswa kwamandla aphezulu, iiperipherals ezinzima kunye namaxabiso aphezulu e-chip.I-AD8232 ifaneleka ngakumbi kwizicelo ezinxitywayo ngokusetyenziswa kwamandla kunye nobukhulu.Xa kuthelekiswa nothotho lwe-ADS129X, umgangatho wesiginali wahluke kakhulu.Kwakhona ekusebenzeni kwesicelo se-electrode eyomileyo yensimbi, i-algorithm engcono nayo iyafuneka.Ukusebenzisa i-electrode zetsimbi kwiimeko zesicelo esinxitywayo, ukuchaneka komqondiso kuphakathi kwaye kukho ukugqwetheka, kodwa ukuba kuphela ukufumana izibonakaliso ezichanekileyo zentliziyo, le chip ayikho into eyonelisayo ngokupheleleyo.
