DESIGN AND DEVELOPMENT OF MEDICAL ELECTRONIC ...

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IMPED_OUTGND PWR+ C3522uF+ C3922uFL2330uH85mAL3330uH85mAGND SIG323130 29201918171 2 3 4 131415 16+C3822uFIC8ISO107AR171.5K+ C3410uFL110uH 220mA-12V_NON_ISOC331uf, tant.+C41 0.33uF+12V_NON_ISO+ C321uf, tant.NON ISO GNDInput Power-12V INGROUND+12V INJP5123NC+V1NC-V1CM2VOSYNGN2NCGN1VINCM1-V2SNC+V2ENBC37+22uFGND PWR+12V_NON_ISOC42.01uFSignal OutputJP612IMPED OUTGROUNDISOLATION BARRIERMAINTAIN 0.3" AIR CLEARANCE<strong>AND</strong> 0.5" CREEPAGER185.36KC430.1uFIC9ATL082A328+-4NON ISO GND1C44.01uFISOLATEDSIDENON-ISOLATEDSIDE-12V_NON_ISONON ISO GNDNON ISO GNDFigure 8.27 Impedance signals detected by the applied part of the intracardiac impedance sensor are galvanically isolated by IC8 from signalacquisition equipment that would be connected to JP6. A medical-grade 12-V power supply powers the sensor. Isolated power for theapplied part is generated by IC8.C36.01uFC40.01uF+12V_ISO-12V_ISO408
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DESIGN AND DEVELOPMENTOF MEDICAL EL
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Copyright © 2005 by John Wiley & S
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CONTENTSPREFACEDISCLAIMERABOUT THE
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xPREFACEThe book addresses the prac
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DISCLAIMERThe projects in this book
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ABOUT THE AUTHORSDavid Prutchi is V
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2 BIOPOTENTIAL AMPLIFIERSGainG70.7%
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4 BIOPOTENTIAL AMPLIFIERSVolumeCond
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6 BIOPOTENTIAL AMPLIFIERSWarning! T
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8 BIOPOTENTIAL AMPLIFIERSIfRf-VccRi
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10 BIOPOTENTIAL AMPLIFIERSFigure 1.
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12 BIOPOTENTIAL AMPLIFIERSof the sk
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14 BIOPOTENTIAL AMPLIFIERScontamina
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20 BIOPOTENTIAL AMPLIFIERSA way of
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22 BIOPOTENTIAL AMPLIFIERSskin- ele
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26 BIOPOTENTIAL AMPLIFIERSOscillosc
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28 BIOPOTENTIAL AMPLIFIERS+15VV 132
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X1KX100X10JP2Sense3 2 13 2 14 5 6JP
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32 BIOPOTENTIAL AMPLIFIERSgenerator
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36 BIOPOTENTIAL AMPLIFIERSresults i
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38 BIOPOTENTIAL AMPLIFIERSUsing off
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42 BANDPASS SELECTION FOR BIOPOTENT
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5V_ISOIR25.1MR35.1MIR11M2374 8-+65V
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62Figure 2.14 State-variable filter
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64Figure 2.16 Since the cutoff freq
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66Figure 2.17 PSpice simulation res
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OUTOutputOut GND6R42kIC 1UAF42 8Hig
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-OUTOUTGNDININPUTINGND11R5100k1213+
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86Figure 2.35 The slew-rate limiter
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J3OUTPUTBNC2CR81.05KIC 2C406654 3LP
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IC5DCD4093B11CDisplay_InAD131N41484
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OUT+5V_ISOC122uF3284+-IC1A1OPA2130+
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3DESIGN OF SAFE MEDICALDEVICE PROTO
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STANDARDS FOR PROTECTION AGAINST EL
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LEAKAGE CURRENTS 1011. Ground leaka
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Figure 3.2 A universal differential
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DESIGN EXAMPLE: ISOLATED DIFFERENTI
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-15VC6+15VC5.01uFIC2.01uF UA741 -15
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ANALOG SIGNAL ISOLATION USING OPTIC
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LINEAR ANALOG ISOLATION USING OPTOI
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LINEAR ANALOG ISOLATION USING OPTOI
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NON ISO.POWERSignalOutputJP312ISO.P
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ISOLATEDPOWERINPUTJ4ISOLATED SIDENO
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DIGITAL ALTERNATIVE TO SIGNAL ISOLA
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SOFTWARE FOR THE ISOLATED A/D 121LP
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POWER SUPPLIES 123Figure 3.17 The n
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ADDITIONAL PROTECTION 125In additio
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TESTING FOR COMPLIANCE 127designed
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TESTING FOR COMPLIANCE 129Voltage-M
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TESTING FOR COMPLIANCE 131The frequ
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SelectorSelectorPatientConnectionsP
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+V_LCD-V_LCDC110.01uFR1462kR1362kC6
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ISOLATED 125 VACAC BALANCE125VAC TO
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TABLE 3.3 Normal and Fault Conditio
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TESTING FOR COMPLIANCE 141TABLE 3.4
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TESTING FOR COMPLIANCE 143HI-POTHV
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TESTING FOR COMPLIANCE 145that diel
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4ELECTROMAGNETIC COMPATIBILITYAND M
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RADIATED EMISSIONS FROM DIGITAL CIR
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RADIATED EMISSIONS FROM DIGITAL CIR
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+24VISOC6100nFIsoC12100nFIso15IC1+V
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ELECTROMAGNETIC FIELDS 155TABLE 4.3
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ELECTROMAGNETIC FIELDS 157andIlH(A/
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PROBING E- AND H-FIELDS IN THE NEAR
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BARE-BONES SPECTRUM ANALYZER 161mag
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45MHz_IFR813R982L2L1LOFREQUENCYADJU
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single-chip IF processor, takes car
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CONDUCTED EMISSIONS 167J2BNC1220MHz
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CONDUCTED EMISSIONS 169LISN40 cmLIS
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SUSCEPTIBILITY 171TABLE 4.4EN-55011
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SUSCEPTIBILITY 173The human body mo
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SUSCEPTIBILITY 175Gas delivery tube
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SUSCEPTIBILITY 177the user that the
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SUSCEPTIBILITY 179Figure 4.22 A pro
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SUSCEPTIBILITY 181+12VSW 1*= Heatsi
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SUSCEPTIBILITY 183Ground PlaneContr
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J2To D evi ceUnd er Te stAC Power P
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SUSCEPTIBILITY 187mode after a prol
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GOOD DESIGN PRACTICES, REMEDIES, AN
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REFERENCES 203REFERENCESDash, G., a
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206 SIGNAL CONDITIONING, DATA ACQUI
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SCLKDOUT*CSMUXD0MUXD1MUXD2ANALOG TO
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210Figure 5.4 Timing diagram for th
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TO J1UNIVERSALSENSORINTERFACECONNEC
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+C110uFC20.1uFR1100k+12VR2C30.01uFI
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6SIGNAL SOURCES FOR SIMULATION,TEST
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OUTPUTSW1C11uF,25VC30.1uF++15V-15VC
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15+12V+12V147147TRIGGERCLOCKADJUSTC
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DIGITAL GENERATION OF ANALOG WAVEFO
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DIGITAL GENERATION OF ANALOG WAVEFO
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ARB BASICS 259TABLE 6.2 Input Lines
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ARB BASICS 261If more than sufficie
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ARB BASICS 263Figure 6.11 The addre
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D[0:31]D[0:31]+5VSW2R4510kJ3BNCCLK_
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CLK_LOCALC330.022uFC342200pFSW3200k
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ARB BASICS 269Finally, a word of ca
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ARB BASICS 271complex waveform can
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ARB BASICS 273design package such a
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OUTOUTPUTOUTGNDIC1BTL0847-5V+5V+5V+
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RESPONSIVE SIMULATORS 277Figure 6.1
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Figure 6.21 Right-atrial and right-
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+15VCLKDINIC31LTC1451VCCVOUT+5VC390
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RESPONSIVE SIMULATORS 283IC40B scal
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Figure 6.26 This bar graph display
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RESPONSIVE SIMULATORS 287A EventDet
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RESPONSIVE SIMULATORS 289relatively
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Figure 6.30 A torso simulator model
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Experimental validation studies for
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RESPONSIVE SIMULATORS 295One Telede
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inner surface. Their heart source m
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VERY REALISTIC PHYSIOLOGICAL SIGNAL
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..--R+-111698134TO A/DIN1IN2IN3IN4V
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REFERENCES 303We believe that exper
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306 STIMULATION OF EXCITABLE TISSUE
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FAULT:COMPLIANCELIMITD1RED LEDIC2BP
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CURRENTTOOSCILLOSCOPECHANNEL 2"Y" I
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PULSER9250kR148.2kEXTERNAL TRIGGERS
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I1TR280IR_TISSUE100k+ -d/dt d/dt10u
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I(R_COIL)V(dIdt)V(CAPACITOR_BANK)I(
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370 CARDIAC PACING AND DEFIBRILLATI
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Page 796: VDDR211MVDDR20750KC6RefractoryPerio
Page 800: SENSING INVDDR45.1MC347NFD2HSMS2802
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Page 850: 1.61.41.2Output Voltage10.80.60.4DV
Page 854: VENTRICULAR TACHYARRHYTHMIAS 411Imp
Page 858: DEFIBRILLATION 413stimulus waveform
Page 862: SW5Safety InterlockF12AF20.25ASW1Po
Page 866: SHOCK BOX PROTOTYPE 417defibrillati
Page 870: SHOCK BOX PROTOTYPE 419Figure 8.34
Page 874: Figure 8.36 Interconnection diagram
Page 878: SHOCK BOX PROTOTYPE 423In operation
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Page 886: Figure 8.40 A H-bridge switch confi
Page 890: SHOCK BOX PROTOTYPE 429V_CAP_OUTR56
Page 894: SHOCK BOX PROTOTYPE 431onboard the
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SHOCK BOX PROTOTYPE 433+12_VBATC791
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SHOCK BOX PROTOTYPE 435value by the
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CARDIAC FIBRILLATOR 4373. Every 1 s
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CONCLUDING REMARKS 439+9VS1R1IC15CO
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EPILOGUEOut of clutter, find simpli
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PATH THROUGH THE FDA 443intended us
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the industry is undergoing profound
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APPENDIX ASOURCES FOR MATERIALS AND
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SOURCES FOR MATERIALS AND COMPONENT
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APPENDIX BFTP SITE CONTENTftp://ftp
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FTP SITE CONTENT 453• LPT8FAST.BA
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FTP SITE CONTENT 455Folder: Redistr
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458 INDEXCentro de Construccion de
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460 INDEXPacemaker(s) (Continued)pu
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