Elsevier S & T

Design of Medical Electronic Devices

Perez, Reinaldo

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Table of contents
  • Cover
  • Copyright Pageiv
  • Contentsv
  • Acknowledgmentsxi
  • Introduction1
  • Chapter 1. Proper Design of Power Subsystems in Medical Electronics3
  • 1.1 Electromagnetic Interference Requirements3
  • 1.2 Transient Voltage Protection3
  • 1.3 Electromagnetic Interference8
  • 1.4 Inrush Current Control12
  • 1.5 Soft Start13
  • 1.6 Overvoltage Protection14
  • 1.7 Undervoltage Protection14
  • 1.8 Overload Protection16
  • 1.9 Snubber Circuits17
  • 1.10 Output Filtering19
  • 1.11 Power Failure Warning21
  • 1.12 Flightback Switch Mode Power Supplies22
  • 1.13 Half-Bridge Flyback Converter24
  • 1.14 Forward Converter26
  • 1.15 High-Voltage Defibrillators28
  • References30
  • Chapter 2. Fundamentals of Magnetic Resonance Imaging33
  • 2.1 Early History of Nuclear Magnetic Resonance33
  • 2.2 General Review of MRI37
  • 2.3 A More Detailed Overview of MRI40
  • 2.4 Magnetic Resonance Imaging Hardware Design50
  • 2.5 Pulsing and NMR Imaging53
  • References56
  • Chapter 3. Particle Accelerator Design57
  • 3.1 Introduction57
  • 3.2 Heavy Particles60
  • 3.3 Particle Accelerators60
  • 3.4 Linear RF Accelerators63
  • 3.5 Particles Accelerated by a Magnetic Field64
  • 3.6 Synchrotrons66
  • 3.7 Accelerator Hardware67
  • 3.8 Magnetrons69
  • 3.9 Accelerator Architecture70
  • References74
  • Chapter 4. Sensor Characteristics75
  • 4.1 Sensor Parameters75
  • 4.2 Physical Principles of Sensing78
  • 4.3 Sensor Interfacing79
  • 4.4 Driving Bridges80
  • 4.5 Signal-Conditioning Amplifiers84
  • 4.6 Instrumentation Amplifiers86
  • 4.7 Chopper-Stabilized Amplifiers88
  • 4.8 Isolation Amplifier89
  • 4.9 Strain, Force, Pressure, and Flow Sensors90
  • 4.10 High-Impedance Sensors93
  • 4.11 High-Impedance Charge Output95
  • 4.12 Charge-Coupled Device Sensors95
  • 4.13 Position and Motion Sensors98
  • 4.14 Temperature Sensors104
  • References107
  • Chapter 5. Data Acquisition109
  • 5.1 Introduction109
  • 5.2 Sample and Hold Conversion110
  • 5.3 Multichannel Acquisition111
  • 5.4 High-Speed Sampling in ADCs112
  • 5.5 Selection of Drive Amplifier for ADC Performance116
  • 5.6 Driving ADCs with Switched Capacitor Inputs118
  • 5.7 Gain Setting and Level Shifting120
  • 5.8 High-Speed Sampling ADC External Reference Voltage Generation122
  • 5.9 ADC Input Protection123
  • 5.10 Noise Considerations in High-Speed Sampling ADCs124
  • 5.11 Multichannel Applications for Data Acquisition Systems128
  • 5.12 External Protection of Amplifiers131
  • 5.13 High-Speed ADC Architectures135
  • References141
  • Chapter 6. Noise and Interference Issues in Analog Circuits143
  • 6.1 Basic Noise Calculation in Op-Amps143
  • 6.2 Fundamental Op-Amp Specifications146
  • 6.3 Input Offset Voltage151
  • 6.4 The Noise Gain of Op-Amps152
  • 6.5 Slew Rate and Power Bandwidth of Op-Amps152
  • 6.6 Gain–Bandwidth Products153
  • 6.7 Internal Noise in Op-Amps154
  • 6.8 Noise Issues in High-Speed ADC Applications157
  • 6.9 Proper Power Supply Decoupling159
  • 6.10 Bypass Capacitors and Resonances162
  • 6.11 Usage of Two or More Bypass Capacitors166
  • 6.12 Designing Power Bus Rails in Power–Ground Planes for Noise Control168
  • 6.13 The Effect of Trace Resistance171
  • 6.14 ASIC Signal Integrity Issues (Ground Bounce)176
  • 6.15 Crosstalk through PC Card Pins179
  • 6.16 Parasitic Extraction and Verification Tools for ASIC181
  • References183
  • Chapter 7. Hardware Approach to Digital Signal Processing185
  • 7.1 Discrete Fast Fourier Transform185
  • 7.2 Determining the Proper FFT Record Length186
  • 7.3 Coherent and Noncoherent Sampling188
  • 7.4 Coherent vs Noncoherent Sampling189
  • 7.5 Ultrasound Application191
  • 7.6 Discrete Time Sampling of Analog Signals194
  • 7.7 Digital Signal Processing Techniques196
  • 7.8 Finite Impulse Response Digital Filters197
  • 7.9 Infinite Impulse Response Digital Filters200
  • 7.10 Fast Fourier Transform202
  • 7.11 FFT Hardware Implementation204
  • 7.12 Practical Use of DSP: DSP Helps the Hearing Impaired234
  • References236
  • Chapter 8. Optical Sensors237
  • 8.1 Charge-Coupled Devices237
  • 8.2 Optical Fiber242
  • 8.3 Analysis of Optical Fibers251
  • 8.4 The Graded-Index Fiber257
  • 8.5 CT Scanners in Medicine259
  • 8.6 The Endoscope263
  • 8.7 Digital X Rays264
  • 8.8 Medical Sensors from Fiber Optics268
  • References273
  • Index275
Book details
  • Vendor Elsevier S & T
  • SKU 9780125507110
  • ISBN-13 9780080491097
  • Author Perez, Reinaldo
  • Category Medical
  • Subject Medical Technology

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The design of medical electronics is unique because of the background needed by the engineers and scientists involved. Often the designer is a medical or life science professional without any training in electronics or design. Likewise, few engineers are specifically trained in biomedical engineering and have little or no exposure to the specific medical requirements of these devices. Design of Medical Electronic Devices presents all essential topics necessary for basic and advanced design. All aspects of the electronics of medical devices are also covered. This is an essential book for graduate students as well as professionals involved in the design of medical equipment.

Covers every stage of the process, from design to manufacturing to implementation
Topics covered include analogue/digital conversions, data acquisition, signal processing, optics, and reliability and failure