I学术论著巾国医学装备2012年2，Lj第9卷第2期ChinaMedicalEquipment2012FebruaryVo1．9NO．2具备血流参数检测功能的电子血压计的设计研究串李洋①张松杨益民①杨琳①王杨柳②邵晶②陈国柱②【文章编号】1672—8270(20l2)02—0004—04[中图分类号】R197．39[文献标识码]A[摘要】目的：设计一种具有血流参数检测功能的电子血压计，不但可以测量人体的收缩压与舒张压，还可计算出人体的各项心血管血流参数。方法：将连接在气体压力传感器上的袖套裹于手腕处，对袖套充气加压，当袖套内的压力比收缩压高30mmHg时匀速放气，并利用示波法计算平均动脉压、收缩压和舒张压；再次给袖套充气至袖套内的压力为平均动脉压，保持压力不变，记录30s的脉搏波信号，通过脉搏波信号和测量出的血压值，计算人体的各项血流参数。结果：具备血流参数检测功能的电子血压计可以较为准确地测量出血压值，并可计算出人体外周血管阻力、心脏指数及心输出量等各项血流参数值。结论：利用具备血流参数检测功能的电子血压计在测量血压的过程中，同时也测量出人体的血流参数值，为疾病诊断提供更为可靠的依据，增添了电子血压计的功能，扩大了电子血压计的应用范围。[关键词】电子血压计；血流参数；示波法，脉搏波作者简介DesiIofelectronicsphygmomanometerwithfunctionofhemodynamicparameterdetection／本田，10Q7、rLiVang,刁LNGSong,YANGYi-Min,etal／／ChinaMedicalEquipment~012,9(2)：4-7．二[Abstract]0bjective：Theelectronicsphygmomanometerwithfunctionofhemodynamic士无生。北吊上业parametersdetectingisdesignedinthisstudy,itcannotonlymeasuresystolicanddiastolic大字生料宇与生物bloodpressure．butalsocalculatecardiovascularhemodynamicparameters．Methods：The工程学院，研艽方cuffwhichhasapressuresensorinsideiswrappedonthewrist，andthecuffisinflated，when向：血流动力学无创thepressureinthecuffishigherthansystolicbloodpressureby30mmHg，theairinthe检测，电子医疗设备cufisdeflatedbytheconstantspeed．Themethodofoscillometricisusedtogetthemean开右arterialpressure．systolicbloodpressureanddiastolicbloodpressure．Thecuffisinflatedagaintoreachthepressureofmeanarterialpressure，thepressureinthecaffiskeepunchanged，inthistime，pulsewaveisrecordedinaperiodof30seconds，withthepulsewaveandthevalueofbloodpressure，thecardiovascularhemodynamicparameterscanbecalculated．Results：Theelectronicsphygmomanometerwiththefunctionofhemodynamicparametersdetectingcanmeasurethesystolicanddiastolicbloodpressureaccuratel~anditcanalsogettheresultofhemodynamicparametersfrompeople，suchasTPR，CI，C0andsoon．Conclusion：Thesystolicanddiastolicbloodpressureandthehemodynamicparameterscanbegotinthesametimewiththeinstrumentwhichisdesignedinthispaper,theinstrumentprovidesmorereliableevidenceforthediagnosisofdisease．anditenrichesthe