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Personal Protective Equipment

Personal Protective Equipment

Personal protective equipment (PPE) is unique clothing or equipment worn by an employee to minimize or prevent exposure to infectious agents. PPE creates a barrier between the employee and the infectious materials. PPE must be readily available in the patient care area. PPE includes gloves, gowns and aprons, masks and respirators, goggles, face shields, shoes, and headcovers:

Masking and Demasking Agents

Masking and Demasking Agents

EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...

PPE Use in Healthcare Settings II: Doffing

PPE Use in Healthcare Settings II: Doffing

The sequence of removing or doffing PPE starts with the gloves, as they are the most contaminated. Next is removal of the face shield or goggles, as they would interfere with removing other PPE. Then remove the gown, followed by the mask or respirator. Perform hand hygiene between steps if hands become contaminated and immediately after removing all PPE. Generally, the outside front and sleeves of the isolation gown, the goggles or the mask, the respirator, and the face shield are contaminated.

Oxygen Delivering System I: Nasal Cannula and Face Mask

Oxygen Delivering System I: Nasal Cannula and Face Mask

The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...

PPE Use in Healthcare Settings I: Donning

PPE Use in Healthcare Settings I: Donning

Donning PPE must be completed before contact with the patient. This process protects from infectious agents. The sequence and action included in each donning are critical, and the steps must be systematic to avoid exposure to pathogens. The institutional policy also needs to be followed while donning PPE. The pre-donning preparations are gathering equipment, inspecting the PPE equipment for tears, holes, or damage, removing jewelry, removing any garments below the elbows, and tying the hair...

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...

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Related Experiment Video

Updated: Jan 3, 2026

Design and Development of a Three-Dimensionally Printed Microscope Mask Alignment Adapter for the Fabrication of Multilayer Microfluidic Devices

Design and Development of a Three-Dimensionally Printed Microscope Mask Alignment Adapter for the Fabrication of Multilayer Microfluidic Devices

Published on: January 25, 2021

Security Hi-Tech Individual Extra-Light Device Mask 3.0: A Continuous Evolution.

Valentino Vellone¹, Valerio Ramieri, Piero Cascone

¹Department of Cranio-Maxillofacial Surgery of Policlinico Umberto I, Sapienza Università di Roma, Rome, Italy.

The Journal of Craniofacial Surgery

|November 26, 2019

Summary

This summary is machine-generated.

The Security Hi-tech Individual Extra-Light Device Mask (SHIELD) offers customizable facial protection for athletes. This study details a further update to the SHIELD 2.0 realization process, improving protective mask technology.

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Area of Science:

Sports Medicine
Biomechanical Engineering
Materials Science

Background:

The Security Hi-tech Individual Extra-Light Device Mask (SHIELD) was initially developed in 2008.
SHIELD 2.0, an updated version utilizing CAD/CAM technology, was presented in 2017.
Continuous innovation is essential for advanced athletic protective equipment.

Purpose of the Study:

To present a further advancement in the realization process of the SHIELD protective mask.
To refine the manufacturing techniques for customized athletic facial protection.
To enhance the performance and applicability of the SHIELD device.

Main Methods:

Building upon previous iterations (SHIELD and SHIELD 2.0).
Incorporating the latest advancements in computer-aided design (CAD).
Utilizing state-of-the-art computer-aided manufacturing (CAM) techniques.

Main Results:

A refined realization process for the SHIELD protective mask.
Improved methods for creating customized facial shields.
Demonstration of ongoing technological development in athletic protective gear.

Conclusions:

The SHIELD protective mask technology continues to evolve.
Further optimization of the SHIELD realization process enhances its potential.
This update contributes to the field of advanced athletic protective equipment.