Blunt trauma personal protective equipment
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Blunt trauma
personal protective equipment Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, elec ...
(PPE) protects the wearer against injuries caused by blunt impacts. For
law enforcement Law enforcement is the activity of some members of government who act in an organized manner to enforce the law by discovering, deterring, rehabilitating, or punishing people who violate the rules and norms governing that society. The term en ...
,
corrections In criminal justice, particularly in North America, correction, corrections, and correctional, are umbrella terms describing a variety of functions typically carried out by government agencies, and involving the punishment, treatment, and su ...
,
military A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...
, and other personnel involved in emergency response operations, the protection against blunt impact threats can be a matter of life or death. To quantify the levels of protection of a Blunt Trauma PPE, users and industry rely on
technical standard A technical standard is an established norm or requirement for a repeatable technical task which is applied to a common and repeated use of rules, conditions, guidelines or characteristics for products or related processes and production methods, ...
s. A balance between protection and functionality allow users to have good flexibility and mobility. Good air ventilation underneath the PPE suit can protect users against heat stroke or
hyperthermia Hyperthermia, also known simply as overheating, is a condition in which an individual's body temperature is elevated beyond normal due to failed thermoregulation. The person's body produces or absorbs more heat than it dissipates. When extreme ...
.


Blunt impact threats

Law enforcement Law enforcement is the activity of some members of government who act in an organized manner to enforce the law by discovering, deterring, rehabilitating, or punishing people who violate the rules and norms governing that society. The term en ...
and
corrections In criminal justice, particularly in North America, correction, corrections, and correctional, are umbrella terms describing a variety of functions typically carried out by government agencies, and involving the punishment, treatment, and su ...
officers are involved in crowd management, civil disturbances, cell extractions,
riot control Riot control measures are used by law enforcement, military, paramilitary or security forces to control, disperse, and arrest people who are involved in a riot, unlawful demonstration or unlawful protest. If a riot is spontaneous and irration ...
, violent disturbances, and other emergency response operations. During these highly dynamic situations, blunt impact threats are associated with hand-held objects, thrown objects, improvised weapons, personal assaults, punches, thrusts, kicks or falls. Those threats can result in minor to unsurvivable injuries, which are quantified with an injury severity score on the Abbreviated Injury Scale (AIS).


Impact attenuation standards

To assure their blunt trauma equipment is safe, end-users and industry refer to the impact attenuation criteria as the test methods and criteria set out in the following standards, which apply to personal protective apparel intended to provide protection to the torso, arms and legs, including joints. *
Canadian Standards Association The CSA Group (formerly the Canadian Standards Association; CSA) is a standards organization which develops standards in 57 areas. CSA publishes standards in print and electronic form, and provides training and advisory services. CSA is composed ...
: ''CAN/CSA Z617-06 Personal Protective Equipment for Blunt Trauma''.CAN/CSA Z617-06 Standard
. Canadian Standards Association.
* Home Office Scientific Development Branch: ''HOSDB Blunt Trauma Protector Standard for UK Police (2007) - Limb and Torso Protectors 20-07''.HOSDB Blunt Trauma Protector Standard
Home Office Scientific Development Branch.
A blunt impact PPE meeting the impact attenuation criteria set out in the standards is qualified via test methods and criteria that have been established by a professional, and recognized technical committee consisting of corrections officers, law enforcement officers, industry participants, laboratory specialists, technical experts, and related individuals and organizations involved with blunt impact PPE, who are experts and specialists in this field. The technical committee undertakes a formal process to investigate, evaluate and quantify blunt impact threats, and then research and develop test methods and criteria to determine compliance of given systems with respect to the essential impact protection for users.


Flexibility and mobility

Blunt trauma PPE generally involves a balance between protection and function; some compromises can be made in the protection in order to permit sufficient function for the wearer. The equipment offer users a
range of motion Range of motion (or ROM), is the linear or angular distance that a moving object may normally travel while properly attached to another. It is also called range of travel (or ROT), particularly when talking about mechanical devices and in mechanic ...
(flexibility), and ease-of-motion (mobility), while maintaining the necessary impact protection and coverage areas. Experts in
human factors Human factors and ergonomics (commonly referred to as human factors) is the application of psychological and physiological principles to the engineering and design of products, processes, and systems. Four primary goals of human factors learnin ...
and
ergonomics Human factors and ergonomics (commonly referred to as human factors) is the application of psychological and physiological principles to the engineering and design of products, processes, and systems. Four primary goals of human factors learnin ...
Ergonomic Redesign of PPE
IOS Press.
help deliver systems that do not impede or fatigue users while they are wearing PPE equipment, resulting in a comfortable and functional suit. Users will have much greater comfort (and thus less distraction and irritation) and their functionality and ability to perform necessary roles, tasks and actions, will not be impeded.


Cooling and heat stress reduction

During emergency response operations, law enforcement and corrections officers are vulnerable to heat strokes or
hyperthermia Hyperthermia, also known simply as overheating, is a condition in which an individual's body temperature is elevated beyond normal due to failed thermoregulation. The person's body produces or absorbs more heat than it dissipates. When extreme ...
. The Occupational Safety and Health Administration in the United States publishes a heat stress "Quick Card", that contains a checklist designed to help prevent heat stress.Osha QuickCard
. Occupational Safety and Health Administration.
To protect users from heat stress, blunt trauma PPE can allow air flows underneath the suit to maximize the body's natural cooling process of
perspiration Perspiration, also known as sweating, is the production of fluids secreted by the sweat glands in the skin of mammals. Two types of sweat glands can be found in humans: eccrine glands and apocrine glands. The eccrine sweat glands are distrib ...
. With good air ventilation, the suit will help cool the user and reduce excess body heat which can contribute to heat stress.


See also

*
Blunt trauma Blunt trauma, also known as blunt force trauma or non-penetrating trauma, is physical traumas, and particularly in the elderly who fall. It is contrasted with penetrating trauma which occurs when an object pierces the skin and enters a tissue ...
*
Riot control Riot control measures are used by law enforcement, military, paramilitary or security forces to control, disperse, and arrest people who are involved in a riot, unlawful demonstration or unlawful protest. If a riot is spontaneous and irration ...
*
Stab vest A stab vest or stab proof vest is a reinforced piece of body armor, worn under or over other items of clothing, which is designed to resist knife attacks to the chest, back and sides. Stab vests are different from bulletproof vests, most of wh ...
*
Personal protective equipment Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, elec ...


References

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External links


Physiological Responses to Exercise in the Heat
€”Chapter 3 of ''Nutritional Needs in Hot Environments'' Protective gear Safety clothing Riots ca:Equip de protecció individual de:Schutzkleidung es:Equipo de protección individual fr:Équipement de protection individuelle it:Dispositivi di protezione individuale nl:Persoonlijke beschermingsmiddelen ja:防具 pt:Equipamento de proteção individual