JNTUH B.Tech 2nd Year 1 sem Bio Medical Engineering (2-1) Medical Instrumentation Engineering R13

JNTUH B.Tech 2nd year Medical Instrumentation gives you detail information about Medical Instrumentation Engineering R13 year subject. It will be help full you to understand you complete curriculum of the year.

Objectives: To understand

• the genesis of biopotentials
• different types electrodes and bioamplifiers
• Electrical Safety

UNIT-I

Origin of Biopotentials : Cell Structure, Electrical activity – Resting State , Active State, Action Potential. Nernst Equation: Derivations and its significance. Refractory Period, Characteristics of Stimulus.StrengthDuration relationship. Electrical equivalent circuit of Axon. Membrane time and space constants, Membrane conductance, Nerve conduction. Propagation of impulses in unmyelinated and myelinated nerve fiber, Electrical properties of synaptic junctions – EPSP and IPSP, Electroneurogram (ENG), Electromyogram (EMG), Electrocardiogram (ECG), Electroretinogram (ERG), Electroencephalogram (EEG), Electrooculogram (EOG).

UNIT-II

Bio Potential Electrodes : The Electrode – Electrolyte Interface, Polarization, Polari able and Nonpolarizable Electrodes, Electrode Behavior and circuit Models, The Electrode – skin Interface and Motion Artifact, Bodysurface  Recording Electrodes, Internal Electrodes, Electrode Arrays , Microelectrodes and its equivalent circuit,Electrodes for Electric stimulation of Tissue.

UNIT-III

Bio Amplifiers : General considerations for signal Conditioners , Pre-Amplifiers, Differential amplifier, Instrumentation Amplifier, Carrier amplifier, Chopper amplifier, Isolation amplifier, Sources of Noise in Low – Level Measurements.

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TEXT BOOK

1.  John G. Webster. Medical Instrumentation.- Application and Design. John Wiley and Sons. Inc., New
   York. Third edition 2013.

REFERENCE

1.  R.S. Khandpur. Hand Book of Biomedical Instrumentation, McGraw Hill, 2ndEdition , 2003.
2.  L. A Geddes, Principles of Applied Biomedical Instrumentation, John Willy & Sons,1989.
3.  Joseph .J. Carr, John M. Brown, Introduction to Biomedical Equipment Technology, Pearson-2001.

Outcomes

• Know the basic levels of neuronal organization.
• Differentiate the electrodes used to acquire biopotentials and list the problems associated with
  acquisition.
• Recognize physiological parameters

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