Engineering Tutorials

BME – 205-F INTRODUCTION TO BIOMEDICAL ENGINEERING

SECTION A

Generalized Instrumentation Systems: Medical instrumentation system, General properties of input transducers, Static and dynamic characteristics: First and second order characteristics, time delay, error free Instrument, Transfer functions, design criteria, generalized instrument specifications.

SECTION B

Displacement and Pressure Measurement: Wheatstone bridge, Resistive-potentiometers, strain gauges, LVDT, capacitive type, force type transducer, piezoelectric transducers, types of diaphragms, bellows, and bourdon tubes etc.

Temperature Measurement: Thermistor and its characteristics, linearization of thermistor, thermocouple and its properties, radiation thermometry, fiber optic sensor, Optical measurement.

SECTION C

Bipotential Electrodes: Properties of Electrodes and transducers used in biomedical measurement, Electrode-electrolyte interface, half cell potential polarization, polarizable and non-polarizable electrodes, calomel electrode, electrode circuit model, electrode skin interface and motion artifact, body surface electrodes, Internal electrodes: needle and wire electrodes, Micro electrodes, electrodes used for measurement of ECG, EEG, EMG.

SECTION D

Unit-4. Electrical properties of nerves: Generation of Action potential in a cell, Electrical properties of nerves, Introduction to EEG and EMG measurements with general block diagram studies.

ECG : Basic principles of ECG, ECG leads, Augmented Leads, ECG block diagram,

Imaging Modalities: Basic overview of the following imaging modalities: X-rays, CT, MRI, and

PE T.

TEXT

1. Intermediate Physics for Medicine and Biology By Hobbie RK, 2^nd Edition Chichester Wiley

2. Clinical Chemistry : Interpretation and techniques By- A.Kaplan, S.Laverne and K.E. Opheim, Lean and Febige, Philadelphia.

3. Transducers in BME: Richard S. Cobbold

4. Medical Instrumentation.. applications and design byt John G. Webster. (Marcel Dekkar Pub)

References:

1. Biomedical sensors-Fundamentals and applications by Harry N. Nortan (Plennum Press)

2. Biomedical Instrumentation and measurements-by Leslie Cromwell, Fred J. Weibell

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