CLEAN AND DISINFECT REUSABLE MEDICAL DEVICES

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School

TAFE NSW - Sydney Institute *

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Course

HLTSTE001

Subject

Mechanical Engineering

Date

Feb 20, 2024

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docx

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4

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HLTSTE001- Assessment What you have to do This unit is concerned with the essential knowledge required to effectively follow steps in the cleaning and disinfection work flow process. This includes having knowledge on infection control and Spaulding’s classification. Answer all knowledge questions below. Type your answers in the fields provided. Save your answers in this document then submit via the OLS. You may need to refer back to your learning resource. 1. In your own words explain what standard precautions are. Standard precautions are the minimum infection prevention and control strategies used when providing care for a patient at any given time. These include - Hand hygiene - Personal protective clothing (PPE) - Gloves - Mask - Eye protection - Cleaning of reusable equipment - Aseptic techniques - Cough ettiquette - Respiratory hygiene - Appropiate handling and disposing of sharps 2. Name two main methods of cleaning used in the decontaminating area. Manual cleaning- is the physical removal of all visible soils by handwashing and scrubbing Mechanical cleaning- is cleaning surfaces by circulation, flowing cleaning soluitions and water rinses over that surface by using machines such as an ultrasonic. 3. Name what personal protective equipment you would be required to wear when reprocessing reusable medical equipment. PPE that you are required to wear would be: - Saftey goggles - Face shield - Mask - Gloves - Gown with long sleeves - Shoe covers By using all this it would provide enough protection to any exposure. LA020990 Assignment 1, HLTSTE001 Ed 1 1 © New South Wales Technical and Further Education Commission, 2016 (TAFE NSW – WSI), Archive version 1, March 2016
4. Define cleaning Cleaning is the removal of any visable and non visable oils such as blood, bone and debris from all surfaces and equipment by manual or mechanical cleaning procedures. 5. Name two main types of soils. The two main types of soils are visable and non visable contaniments Viasble soils are organic blood, bone and some tissues, grease, fats and oils also in-organic oils such as general dirt, dust and chemical stains. Non viasble soils are bacteria and viruses also known as micro-organisms. 6. What is the time temperature relationship for thermal disinfection? There are varied temperatures and times for sterility to be achieved These are: 80 degrees celcius the cycle would take 10 minutes 90 degrees celcius the cycle would take 1 minute 93 degrees celcius the cycle would take 30 seconds 7. Briefly explain in your own words thermal disinfection. Thermal disinfection uses moist heat to kill bacteria and viruses by using a set temperature for a set amount of time. This destroys the proteins in the bacteria rendering the bacteria lifeless. Thermal disinfection can only be achieved by mecahnical cleaning. 8. The cleaning process depends on several factors. Identify 4 of these factors. - PH of the detergent - Quality of the water - Type of instrument and the surface being cleaned - Mechanical factors, Physical effort, scrubbing or rubbing 9. List five categories of equipment cleaned in SSD. - Respiratory equipment - Basic surgical equipment - Laparoscopy or minimal invasive equipment - hollowware - Microsurgery instruments 10. Name one advantage of thermal disinfection. Thermal disinfection prevents cross contamination which improves infection control procedures and health risks are minimised. 11. Name one disadvantage of thermal disinfection. Thermal disinfection can be a slow process as many objects can not tolerate the high heat that is required to achieve sterility. 12. In 1968 Earle Spaulding devised a rational approach to disinfection and sterilization. This is now referred to as Spaulding's classification and it has been refined and retained over the years because it is so clear and logical. Spaulding believed that 2 LA020990 Assignment 1, HLTSTE001 Ed 1 © New South Wales Technical and Further Education Commission, 2016 (TAFE NSW – WSI), Archive version 1, March 2016
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