Medical Instrumentation
IE 404 MEDICAL INSTRUMENTATION
ﾂ OBJECTIVES :
After completing this course students should be able:
1. To understand the principle, working of various medical instruments
2. To understand the design aspects of various biomedical instruments
Unit 1
Biopotential Measurement
Cell Structure, Basic Cell functions, Origins of bio-potentials, electrical activity of cells, biological Control Concept, Electrode-electrolyte interface, Half cell Potential, Polarisable and nonpolarisable electrode, Electrode circuit model, Body surface recording electrodes for ECG, EMG and EEG, internal electrodes-needle and wire electrodes, electrodes for electric stimulation of tissue, Various biomedical transducers
[6 Hrs]
Unit 2
Central Nervous systems - Receptors, sensory pathways and motor systems, processing sensory information, neural, neuromuscular, sensory muscular and sensory measurements, biofeedback, evoked response, electroencephalography (EEG), EEG amplifier
Classification of muscles 窶・Muscle contraction mechanism, Myoelectric voltages, Electromyography (EMG)
[8 Hrs]
Unit 3
Cardio-vascular system - structure of heart, rhythmicity, pacemaker cell, ECG theory, ECG electrodes, Electrocardiograph, vector cardiograph
Bio-signal amplifiers and signal processing, basic requirement, Op-amp circuit, transient protection, interference reduction circuits, active filters, rate measurement, averaging and integrator circuits, Examples of physiological signals and systems including feedback systems
[8 Hrs]
Unit 4
Cardiovascular Measurements and therapeutic devices
Heart sound, Phonocardiography, Blood pressure measurement (invasive and noninvasive), Blood flow meter- Magnetic and ultrasound, Cardiac Output measurement, Plethysmography,
Life saving devices pacemakers and defibrillators, heart lung machine
[7 Hrs]
Unit 5
Special Senses-
Ear: Mechanism of hearing, Sound conduction system, Basic Audiometer, Pure tone audiometer, Audiometer system Bekesey, Evoked response Audiometer system, Hearing aids
Vision- Anatomy of Eye, Visual acuity, Slit Lamp, Tonometer, Ophthalmoscope, Perimeter, LASER Applications in Ophthalmology 窶・Diabetic Retinopathy, Glaucoma and retinal hole and detachment treatment
[8 Hrs]
Unit 6
Biomaterials- Structure and property relationships in materials, ceramics and polymers, Interactions of materials with the human body, composite materials concepts and applications, Implementation problems 窶・inflammation, rejection, corrosion, structural failure
[8 hrs]
Text Books
ﾂ｡ Biomedical Instrumentation by Dr. M. Arumugam, Anuradha Publishers, 1992
ﾂ｡ Introduction to Biomedical Equipment Technology by Carr and Brown
ﾂ｡ Medical Instrumentation Application and Design by John G. Webster, John Wiley &
ﾂ｡ Sons Pvt. Ltd
ﾂ｡ Biomedical Instrumentation and Measurements by Leslie Cromwell, Fred J. Weibell,
ﾂ｡Erich A.
ﾂ｡ Pfeiffer, Pearson Education
ﾂ｡ Principles of Biomedical Instrumentation and Measurement by Richard Aston,
ﾂ｡ Maxwell
ﾂ｡ Macmillan International Edition
ﾂ｡ Handbook of Biomedical Instrumentation by R. S. Khandpur, TMH
ﾂ｡ Medicine and Clinical Engineering by Jacobsons and Webster, PHI
Reference Books
ﾂ｡ Human Physiology 窶・The Mechanism of Body Functions by Vander, Shermen, TMH
ﾂ｡ Biomedical Digital Signal Processing by Tompkins
ﾂ｡ Encyclopedia of Medical Devices and Instruments by Webster Vol. I - IV
