(4th unit)DISINFECTION AND STERLIZATION.pptx

disinfection and sterilisation

1. HARJOT KAUR, CLINICAL INSTRUCTOR, Army College of Nursing , Jalandhar Cantt ., Punjab, 144005. 2/7/2024

2. . DISINFECTION AND STERLIZATION 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 2

3. DISINFECTION 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 3

4. INTRODUCTION It is a killing of infectious agents outside the body by direct exposure to chemical or physical agents . Disinfection means killing the germs of infection and the insects or organism carrying the infection . 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 4

5. DISINFECTANT Substance which destroys harmful microbes with the object of preventing transmission of disease . 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 5

6. TYPES OF DISINFECTION Pre-current disinfection Concurrent disinfection Terminal disinfection 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 6

7. 1.Pre-current disinfection Eg : Chlorination of water Pasteurization of milk Moping of floor with disinfectants 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 7

8. 2.Concurrent disinfection Disinfection done when a person is ill AIM :- To prevent spread of infection Eg :- Disinfection of urine , feces , vomit , contaminated linen , clothes , hands , dressing , apron , gloves , etc throughout the course of illness 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 8

9. 3. Terminal disinfection Terminal disinfection is done after death , recovery or removal of a patient It is to disinfect rooms , clothes and other articles so that no germs of infection can be killed 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 9

10. METHODS OF DISINFECTION NATURAL METHODS PHYSICAL METHODS CHEMICAL METHODS 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 10

11. 1. Natural method SUNLIGHT :- UV rays of sunlight lethal to bacteria and some viruses Articles such as linen , bedding , and furniture may be disinfected AIR:- Acts by drying or evaporation of moisture which is lethal to most bacteria 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 11

12. 2 . Physical method Burning Hot air Boiling Autoclaving Radiation 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 12

13. burning 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 13

14. Hot air 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 14

15. boiling 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 15

16. autoclaving 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 16

17. radiation 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 17

18. 3 . Chemical method a . Phenol and phenol related compounds :- Pure phenol or carbolic acid , crude phenol , cresol , Dettol b . Quarternary ammonia compounds :- Savlon c. Halogens and their compounds :- Bleaching powder , sodium hypochlorite , iodine d . Alcohols :- Ethyl alcohol , isoprophyl alcohol , formaldehyde , ethylene oxide 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 18

19. THANK YOU 2/7/2024 ARMY COLLEGE OF NURSING, JALANDHAR CANTT. PUNJAB 19