نتایج جستجو برای: respirator

تعداد نتایج: 905  

Journal: :Journal of occupational and environmental hygiene 2015
Michael S Bergman Xinjian He Michael E Joseph Ziqing Zhuang Brian K Heimbuch Ronald E Shaffer Melanie Choe Joseph D Wander

This study assessed the correlation of N95 filtering facepiece respirator (FFR) fit between a Static Advanced Headform (StAH) and 10 human test subjects. Quantitative fit evaluations were performed on test subjects who made three visits to the laboratory. On each visit, one fit evaluation was performed on eight different FFRs of various model/size variations. Additionally, subject breathing pat...

2017
Hyungoo Shin Jaehoon Oh Tae Ho Lim Hyunggoo Kang Yeongtak Song Sanghyun Lee

OBJECTIVE Healthcare providers in emergency departments should wear respirators for infection protection. However, the wearer's vigorous movements during cardiopulmonary resuscitation may affect the protective performance of the respirator. Herein, we aimed to assess the effects of chest compressions (CCs) on the protective performance of respirators. METHODS This crossover study evaluated 30...

2014
Jian Hua Zhu Shu Jin Lee De Yun Wang HeowPueh Lee

Facemasks and respirators are important components of personal protective equipment for health care workers in hospitals and public civilians during severe hazy conditions or influenza pandemic. The efficacy of protection of facemasks and respirators is of importance as they filter fine airborne particles from reaching the respiratory system and prevent interindividual infection. The protective...

Journal: :WMJ : official publication of the State Medical Society of Wisconsin 2010
Madeline Oguss Pamela Rogers Henry Anderson

CONTEXT Little is known about Wisconsin workers who wear respirators and the prevalence of work-related asthma (WRA) in that population. To understand this problem, we questioned workers who wear respirators. OBJECTIVES The primary objective was to learn more about the health experiences of workers who wear respirators. A secondary objective was to evaluate the utility of the survey in WRA su...

Journal: :British Journal of Anaesthesia 1957

Journal: :British Journal of Anaesthesia 1960

Journal: :British Journal of Anaesthesia 1956

Journal: :JAPANES JOURNAL OF MEDICAL INSTRUMENTATION 1955

Journal: :British Journal of Anaesthesia 1958

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