osha教材-Bloodborne Pathogens-血液病原体.ppt

OSHA Office of Training and Education Introduction Approximately 5.6 million workers in health care and other facilities are at risk of exposure to bloodborne pathogens such as human immunodeficiency virus (HIV – the virus that causes AIDS), the hepatitis B virus (HBV), and the hepatitis C virus (HCV) OSHA’s Bloodborne Pathogens standard prescribes safeguards to protect workers against the health hazards from exposure to blood and other potentially infectious materials, and to reduce their risk from this exposure Who is covered by the standard? All employees who could be “reasonably anticipated” as the result of performing their job duties to face contact with blood and other potentially infectious materials “Good Samaritan” acts such as assisting a co-worker with a nosebleed would not be considered occupational exposure Some Workers Who are at Risk Physicians, nurses and emergency room personnel Orderlies, housekeeping personnel, and laundry workers Dentists and other dental workers Laboratory and blood bank technologists and technicians Medical examiners Morticians Law enforcement personnel Firefighters Paramedics and emergency medical technicians Anyone providing first-response medical care Medical waste treatment employees Home healthcare workers How does exposure occur? Most common: needlesticks Cuts from other contaminated sharps (scalpels, broken glass, etc.) Contact of mucous membranes (for example, the eye, nose, mouth) or broken (cut or abraded) skin with contaminated blood Exposure Control Plan Identifies jobs and tasks where occupational exposure to blood or other potentially infectious material occurs Describes how the employer will: Use engineering and work practice controls Ensure use of personal protective equipment Provide training Provide medical surveillance Provide hepatitis B vaccinations Use signs and labels Exposure Control Plan Written plan required Plan must be reviewed at least annually to reflect changes in: tasks, procedures, or as