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Biomedical Engineering
The application of engineering principles to understand, modify or control living systems such as the human body.
Major Areas within Biomedical Engineering
Medical Instrumentation
Biomaterials
Biosignal Processing
Medical Imaging
Biomechanics &Rehabilitation Engineering
Medical Instrumentation:
Application of electronics and measurement techniques to develop devices used in diagnosis and treatment of disease.
Examples : heart monitors, microelectrodes and glucose monitoring machines.
Biomaterials:
Material that replaces a natural function
Examples: dental adhesives, heart replacement valves, artificial lungs and kidneys.
Bio signal Processing:
Involves the collection and analysis of data from patients or experiments in an effort to understand and identify individual components of the data set or signal.
Medical Imaging: 
Combines knowledge of a unique physical phenomenon like sound with high-speed electronic data processing, analysis and display
to generate an image.
Bio mechanics and Rehabilitation Engineering:
Bio mechanics applies both fluid mechanics and transport phenomena to biological and medical issues.
Rehabilitation engineering uses concepts in bio mechanics and other areas
to develop devices to enhance the capabilities and improve the quality of life for individuals with physical and cogitative impairments
Applications of Biomedical Instrumentation
Artificial pacemaker
Artificial kidney
Artificial leg
Artificial Arm
Artificial Ear
Artificial Heart

Pace Maker Artificial Kidney
Artificial leg
Artificial Ear Artificial Heart

Limitations
The instruments designed here are complicated and should be designed in extreme care sense

Costlier

Conclusion

Improves the health of the man kind and also prevents future burst of diseases there by helping the man kind to increase the life span.

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