Biomedical Sensors and Instruments

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Biomedical Sensors and Instruments

Introduction

Biomedical Sensors and Instruments


     In medicine and healthcare, acquisition and assessment of reliable physiological data are essential. Many kinds of sensors and instruments are routinely used in the clinical field, and many instruments are becoming automatic, fail safe, and easy to use. However, it is still important to know how the sensor or instrument works when one is responsible for presenting the obtained data in scientific meetings or explaining the evidence correctly to patients. 

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    In the field of sensor application where advanced technology was introduced, old techniques were replaced by new ones. Such changes in measurement technologies and their applications are covered in the second edition. Although the chapter titles are unchanged, their contents have been updated, new topics have been added, and details about techniques that are becoming obsolete have been reduced to keep the book compact. On the other hand, there are potentially promising techniques that have already been developed but their applications are limited or have not been attempted at all due to some practical difficulties. However, if such problems can be solved, new possibilities will appear. This book also covers these kinds of techniques.

    Micro- and nanotechnologies have been introduced in almost all kinds of sensor devices. While this is topical, the fundamental sensing principles of most sensors remain unchanged. This book does not go into much detail about downscaling efforts except when essentially different phenomena appear in micro- and nanostructures.

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Table Of Content

Chapter 1 Fundamental Concepts

1.1 Signals and Noise in the Measurement

1.2 Characteristics of the Measurement System

1.3 Determination of Absolute Quantity

1.4 Units of Measurement Quantities

Chapter 2 Pressure Measurements

2.1 Object Quantities

2.2 Direct Pressure Measurement

2.3 Indirect Pressure Measurement

Chapter 3 Flow Measurement

3.1 Object Quantities

3.2 Blood Flow Measurements in Single Vessels

3.3 Tissue Blood Flow Measurement

3.4 Respiratory Gas Flow Measurements

Chapter 4 Motion and Force Measurement

4.1 Objects of Measurement

4.2 Motion Measurements

4.3 Force Measurements

Chapter 5 Temperature, Heat Flow, and Evaporation Measurements

5.1 Object Quantities

5.2 Temperature Sensors

5.3 Noncontact Temperature Measurement Techniques

5.4 Clinical Thermometers

5.5 Heat Flow Measurements

5.6 Evaporation Measurement

Chapter 6 Bioelectric and Bio magnetic Measurements

6.1 Objects of Measurements

6.2 Electrode Theory

6.3 Surface Potential Electrodes

6.4 Micro and Suction Electrodes

6.5 Biomagnetism

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