medical waste management updated
DESCRIPTION
Medical waste management presentation including case studies and picturesTRANSCRIPT
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Medical Waste Management
Feliks Leybovich12/20/2012
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Medical care is vital for our life, health and well being. The waste generated from medical activities can be
hazardous, toxic. Diseases like cholera, plague, skin infection, hepatitis ,
AIDS (HIV), pose grave public health risks. Environmental pollution. Institutional/Organizational set up, training and
motivation. Great research & awareness have increased recently.
Introduction
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‘Medical Waste’ means any solid and/or liquid waste including
its container and any intermediate product, which is generated during the diagnosis, treatment or immunization of human beings or animals or in research or in the production or testing.
Any waste which consists entirely or partly of human or animal tissue, blood or other body fluids, excretions, drugs or other pharmaceutical products, dressings or syringes, needles or other sharp instruments.
Sources: Arising from medical, nursing, dental, pharmaceutical or similar practice, investigation, treatment, care, teaching or research or the collection of blood from transfusion.
Definition
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Risk Involved
Microorganisms Enterobacteria Mycobacterium
tuberculosis Streptococcus Human
Immunodeficiency Viruses
Infections Gastroentic
infections Respiratory infection Skin infection Acquired
Immunodeficiency Disorder
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Public hospitals produce more healthcare waste than
private hospitals. Mismanagement of Waste and lack of segregation of
waste. North America produces 7–10 kg of healthcare waste per
bed/day, South America produces 3kg . Western Europe produces 3–6 kg, Eastern Europe 1.4–2 kg, In Asia, richer countries produce 2.5 kg per bed/daily, and poorer countries 1.8–2 kg per bed/daily.
Generation
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Worldwide Waste
Generation South Africa Algeria Brazil Jordan Greece Bangladesh China
0.60 kg/bed/day 0.70 kg/bed/day 2.63 kg/bed/day 6.10 kg/bed/day 8.4 kg/bed/day 1.71 kg/bed/day 1.22 kg/bed/day
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Risks to healthcare staffs, the public and the environment.
Codes of practices and guidelines for handling and disposal
Problematic due to its enormous volume of generation, serious threat for the human health as well as disposal cost.
Clinical waste cannot mix with non-clinical waste.
workers are not educated enough and most of them have not had any special training on the management of clinical waste.
Do not have appropriate colour coded bags or containers for sorting the different types of waste.
Handling & Transportation
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Recommended Labelling and Color
Coding
Segregate Storage in Separate Containers (at the Point of Generation).
Certification.
Common/Intermediate Storage Area.
Storage of Waste
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Incineration Autoclaving Microwave Chemical disinfecting Irradiation
Treatment Technologies
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According to the EPA 90% of
medical waste is incinerated Very effective and secondary
benefit of powering boilers in the facility
Strict regulations regarding air emissions
Incinerator Ash is generally landfilled
Incineration
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Applied heat, pressure,
and sometimes steam for sterilization.
Often followed by compaction process, and eventually reaches landfills
Many landfills are reluctant to accept the waste due to concerns that it still is infectious
Autoclaving
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On-site installation or mobile
treatment vehicles in US First the waste is shredded
and then it is mixed with water.
Microwaving is applied internal heat (autoclaving is external heat)
According to the EPA not recommended for treatment of pathological waste
Microwaving
Industrial Microwaving Belt
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Primarily through the use
of chlorine products Waste is first shredded
and mixed with water According to the EPA,
chemical disinfection is the most appropriate way to treat liquid medical waste
Chemical Disinfecting
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Exposure of Waste to Cobalt source Gamma Radiation inactivates all microbes Special treatment sites are required (No
Mobile or in house process) High capital cost Operators’ safety risk in irradiation plant is an
issue Does not sterilize pathological wastes
Irradiation
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Comparison of Treatment
Technologies
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Metro Health Hospital, Wyoming,
MI: Divert and Purchase Reprocessing Medical Devices
Spectrum Health: Medical Plastics Recycling
Germany Waste Act: 1991
Case Studies
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Metro Health Hospital, Wyoming, MI:
Divert and Purchase Reprocessing Medical Devices
What Reprocess many
previously single-use devices
Including: harmonic scalpels, orthopedic burrs, and orthopedic cannulas/trocars
Benefits Cost savings of $235,803
from purchasing reprocessed SUDs between 2008 and 2010
1.84 tons of waste �avoided due to reprocessing in 2010.
Avoided $900 in �regulated medical waste disposal fees in 2010.
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Spectrum Health: Medical
Plastics Recycling
Plastics plastic casing� hard plastic from devices paper lined with plastic plastic from surgical gowns outer casings of syringes soft plastics from glove
wrappers rigid saline bottles wash basins, and surgical
preparation kits
Benefits 42,000 pounds of blue wrap
diverted to recycling in 2010 100 bags per day diverted �
from OR Recycling cost half as much �
as general waste Increases staff satisfaction �
relative to reducing environmental impact of the OR
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Retailers and producers required to take back
a certain percentage of packaging materials Duales System Deutschland (DSD) collects all
the packaging with a Green Dot Licenses this symbol for the products they
recycle Reimbursement will be given to companies
only after recycling occurs and quotas are met
German Waste Act: 1991
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Targets for collection, sorting and recycling
packaging materials in 1996
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Questions?
Thank You