Jones - DIY HOMEMADE MEDICAL FACE MASK: The Complete Guide On How To Make Your Own Homemade Medical Face Mask For Protection Against Diseases, Flu, Viruses, Germs, And Bacteria

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DIY HOMEMADE MEDICAL FACE MASK

The Complete Guide On How To Make Your Own Homemade Medical Face Mask For Protection Against Diseases, Flu, Viruses, Germs, And Bacteria

Peggy T. Jones

Copyright 2020 by Peggy T. Jones

All right reserved. This book is copyright, and no part may be reproduced or transmitted through any means, be it mechanical, electronic, internet, or otherwise without the permission of the author except in brief quotation or review of the book.

Table of Con tents

Introduction

When wearing a medical mask, you should select the suitable level according to the type of transmission of the pollutant and the risk. Although the medical protective mask with high protection level has a better protection effect, due to the high filter material level, good adhesion, and higher breathing resistance, long-term wearing will amplify the problem of breathing and other discomforts. Medical-surgical masks and medical protective masks can wedge the toxins emitted by blood and body fluid splashes, on the other hand if you need to block the contamination of airborne particles and pathogenic microorganisms, choose to wear medical protective masks.

Medical-surgical masks can block most bacteria and some viruses, prevent medical staff from being infected and prevent medical staff from transmitting pathogenic bacteria to the outside world. Therefore, it is suitable for the basic protection of clinical medical staff; that is, it is used for clinical medical staff during invasive operation. Wear it in the middle to protect the treated patients and medical personnel performing invasive operations to prevent the spread of blood, body fluids, and splashes.

During the epidemic of infectious diseases, in relatively densely populated places, such as hospital clinics or consultation offices, elevators, emergency departments, etc., medical-surgical masks can effectively prevent the spread of pathogenic bacteria and play a preventive and protective role for various types of personnel.

CHAPTER ONE

History of Medical Face Mask

Record and Exploration of Masks before Modern Times

The history of human defense of the respiratory system dates back to ancient Roman periods. In the first century AD, philosopher and naturalist Pliny (23-79 AD), he used loose animal bladder skin to cover his nose to filter dust to avoid inhaling this toxic mercury sulfide when cinnabar is crushed.

Western medical circles in the Middle Ages believed that infectious diseases such as cholera and black death were caused by "radon gas" in the air, so to resist "radon gas," some doctors at the time would wear a beak mask when diagnosing respiratory diseases. There will be some spices and herbs in these masks; although they do not understand the principle, they do block the spread of the disease to some extent;

In the 16th century Florence, the famous painter, and naturalist-Leonardo da Vinci proposed to use a cloth soaked in water to cover his face when he advised his lord. Advance methods are written in fire escape guides so far;

In the Yuan Dynasty of China, when the emperor of the court ate meals, in order to avoid the breath of those who served the emperor's diet from touching the food, the waiter's mouth and nose must be covered with silk scarves made of silk and gold threads.

Before modern times, people's understanding of respiratory protection was still in a simple stage, and what changed afterward was scientific progress.

Reconsideration of Respiratory Protection in Modern Times

In 1827, a Scottish scientist, Robert Brown, discovered a kind of "Brownian motion," which believed that the collision of fast-moving gas molecules would cause random bounce motion of very small particles, and theoretically studied the protective effect of masks on dust;

In 1849, American American Hasselt invented the "lung protector," which is essentially a cumbersome breathing mask. It was equipped with two clapper valves and used wool filters to prevent dust. In 1849, he applied for a U.S. patent, patent number 6529, which is still available in archives in the United States;

In 1861, French microbiologist Pasteur demonstrated the existence of microorganisms in the air that can spoil substances through a famous gooseneck experiment, because it was the first time that people realized There are biological bacteria, and this also laid the theoretical foundation for the later invention and application of bacterial protective masks;

In 1876, the medical community created aseptic surgery, which means that all surgical machinery, surgical gowns, surgical caps, and rubber gloves must be strictly sterilized, but at this time, the medical profession did not protect the surgeon's mouth.

In the same year, German scientist Robert Koch successfully isolated anthracnose and proposed the famous Koch's rule in the field of microbiology, which clearly describes how to determine the relationship between specific microorganisms and diseases. The specific content is divided into four:

In each case the same type of microorganism is present and does not exist in a healthy person;

To isolate such microorganisms from the host can be purified and cultured in the medium;

Inoculate a healthy and sensitive host with a purified culture of this microorganism and the same disease will recur;

This microorganism can be isolated and cultured again from the test-affected host.

In 1897, German microbiologist Flug proved through experiments that the behavior of medical staff talking to wounds during surgery might cause wound infection and inflammation. Flug's specific expression was "can be cultivated from the surgeon's pharynx and caries. Staphylococcus aureus and streptococcus bacteria in saliva can contaminate wounds during speech. "

Based on this, the German medical surgeon Mikuriz proposed in the same year: medical staff should wear sterile gauze masks that can cover the nose and nose when performing surgery. Such masks are called "Mikuriz masks" (Mikulicz's mask). This is the first medical mask to be recorded in a modern sense. Since then, "wearing a mask" has become the standard image of medical staff.

Of course, the initial masks are still very simple. Just use one or more layers of gauze to simply wrap the face tightly. The convenience and comfort are vastly different from real modern masks.

In 1899, a British surgeon improved the design-he cut the gauze into a rectangle, and set up frame-shaped thin wire support between the gauze, leaving a certain gap between the gauze and the nose and mouth, to solve. The weakness of the mask is not breathing.

Then a French surgeon, Paul Bertie, made a 6-layer gauze mask that was sewn on the collar of the surgical gown and just turned the collar up when he used it. Then he improved the design-using an endless belt Attach the gauze to your ear or back of your head. Thus, the shape of modern masks was born!

Wu's Masks: Chinese Contributions in Mask History

In the history of masks mentioned above, the contribution of the western world was mainly mentioned, and in real history, the contribution of a Chinese is worth remembering;

His name is Wu Liande, a name that most Chinese people are not familiar with, but he made an indelible contribution to China's epidemic prevention in the early 20th century;

Wu Liande, who was born in Guangzhou, was born in Penang, the British Isles, in 1879. It belongs to a small island in northern Malaysia today. He was young and clever.

In 1903, at the age of 24, he received his Ph.D. from Cambridge University. In 1907, Wu Liande was hired by Yuan Shikai, the governor of the Qing government at the time, and served as the deputy supervisor of the Tianjin Army Medical School (equivalent to the vice president)

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