Surgical mask

Surgical mask

A Surgical mask, also known as a medical mask, is a personal protective equipment worn by health professionals during medical procedures. It is designed to prevent infections in patients and treating personnel by catching bacteria shed in liquid droplets and aerosols from the wearer's mouth and nose.

History

The use of surgical masks can be traced back to the early 20th century. They were initially designed to protect the wearer from infectious droplets in clinical settings, but their use has since been expanded to include protection from airborne particles and to prevent the spread of respiratory infections.

Design

Surgical masks are made of three layers of fabric, with the middle layer acting as a filter. The outer layer is waterproof, while the inner layer is absorbent. The mask is secured to the face with ear loops or ties.

Effectiveness

The effectiveness of surgical masks in preventing the transmission of diseases has been studied extensively. While they are not as effective as N95 respirators, they are still considered a useful measure in reducing the spread of infections.

Usage

Surgical masks are commonly used in healthcare settings, but they have also been used by the general public during outbreaks of respiratory diseases. They are typically discarded after use and are not recommended for reuse.

See also

• N95 respirator
• Personal protective equipment
• Face masks during the COVID-19 pandemic

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