EI2311 BIOMEDICAL INSTRUMENTATION Lecture Notes for EEE - Seventh (7th) semester & for EIE - Sixth (6th) Semester -by R.Anirudhan

EI2311 BIOMEDICAL INSTRUMENTATION Lecture Notes for EEE - Seventh (7th) Semester & for  EIE - Sixth (6th)  Semester


EI2311 Lecture Notes

Syllabus :


UNIT I PHYSIOLOGY AND TRANSDUCERS
Cell and its structure – Resting and Action Potential – Nervous system: Functional organisation of
the nervous system – Structure of nervous system, neurons - synapse –transmitters and neural
communication – Cardiovascular system – respiratory system – Basic components of a biomedical
system - Transducers – selection criteria – Piezo electric, ultrasonic transducers - Temperature
measurements - Fibre optic temperature sensors.

UNIT II ELECTRO – PHYSIOLOGICAL MEASUREMENTS
Electrodes –Limb electrodes –floating electrodes – pregelled disposable electrodes - Micro, needle
and surface electrodes – Amplifiers: Preamplifiers, differential amplifiers, chopper amplifiers –
Isolation amplifier.
ECG – EEG – EMG – ERG – Lead systems and recording methods – Typical waveforms.
Electrical safety in medical environment: shock hazards – leakage current-Instruments for checking
safety parameters of biomedical equipments

UNIT III NON-ELECTRICAL PARAMETER MEASUREMENTS
Measurement of blood pressure – Cardiac output – Heart rate – Heart sound –Pulmonary function
measurements – spirometer – Photo Plethysmography, Body Plethysmography – Blood Gas
analysers : pH of blood –measurement of blood pCO2, pO2, finger-tip oxymeter - ESR, GSR
measurements .

UNIT IV MEDICAL IMAGING
Radio graphic and fluoroscopic techniques – Computer tomography – MRI – Ultrasonography –
Endoscopy – Thermography – Different types of biotelemetry systems and patient monitoring –
Introduction to Biometric systems

UNIT V ASSISTING AND THERAPEUTIC EQUIPMENTS
Pacemakers – Defibrillators – Ventilators – Nerve and muscle stimulators – Diathermy – Heart –
Lung machine – Audio meters – Dialysers – Lithotripsy



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