Unit 5 Electric shock azard.pptx INTRODUCTION TO SHOCKED

Creating a 3000-word introduction to the field of biomedical engineering requires a broad overview of various aspects of the discipline. Here's an introduction that covers its history, main areas of focus, applications, and the impact of biomedical innovations:

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## Introduction to Biomedical Engineering

Biomedical engineering (BME) is an interdisciplinary field that merges principles of engineering with biological and medical sciences to design and create equipment, devices, and systems for healthcare. It encompasses various fields, including medical device design, diagnostic equipment, imaging technology, tissue engineering, and more, playing a crucial role in advancing human health by innovating technologies that improve diagnosis, treatment, and patient care.

### History and Evolution of Biomedical Engineering

The origins of biomedical engineering can be traced back to ancient civilizations where humans attempted to understand and influence biological processes. Early instances of artificial body parts such as prosthetic limbs made of wood or metal have been discovered in archaeological findings. However, biomedical engineering as a formalized discipline started gaining recognition only in the 20th century.

The rapid advancement of engineering and medical technology during the two World Wars led to a growing need for specialized professionals who could design medical devices for battlefield injuries, rehabilitation, and surgery. Devices like prosthetics, medical imaging machines, and dialysis units began to emerge during this period.

In the 1950s and 1960s, the development of biomedical engineering gained momentum with advances in electronics, computer science, and material science. One of the pivotal moments was the invention of the pacemaker, which revolutionized the treatment of heart diseases. The collaboration between engineers and medical professionals became more frequent, driving innovations like artificial heart valves, CAT scanners, and insulin pumps.

With the advent of modern computing technologies, the rise of molecular biology, and new materials, the field has grown exponentially since the late 20th century, bringing about a revolution in medical diagnosis, imaging, and treatment. Today, biomedical engineers are involved in the creation of advanced medical devices such as robotic surgical tools, bio-compatible materials for implants, and even artificial organs.

### Core Areas of Biomedical Engineering

Biomedical engineering is a highly interdisciplinary field that involves the collaboration of professionals from a range of scientific and engineering backgrounds. Some of the major areas within biomedical engineering include:

#### 1. **Medical Imaging**
Medical imaging is one of the most critical areas of biomedical engineering, focusing on creating images of the human body for clinical diagnosis and treatment. Common imaging modalities include:

1. Class: VIII Semester Su b: BME- Unit- V - Lecture-32 Electric Shock Hazard, Types of Leakage current 1 22/05/2021

2. Electric Shock Hazard

3. Electric Shock Hazard

4. Precautions to minimized Electric Shock Hazard

5. Leakage Current & its Types

6. Types of Leakage Current

7. Methods to reduce Leakage Current

8. Methods to reduce Leakage Current