BY SOPHIA VIJAYANANTHAN JUNIOR LECTURER COLLEGE OF NURSING,CMC,VELLORE

DISINFECTION & STERILIZATION STERILIZATION

Process of removing microbes inclusive of bacterial endospores

DISINFECTION process of removing microbes except bacterial endospores

DISINFECTIONCHEMICALS:disinfection or sterilization DISINFECTANTS: low level intermediate level high level

STERILIZATIONPhysical method

Heat

Radiation

Dry heat

Moist heat(autoclave)

Prevaccum

Gravity displacement

CHEMICAL METHOD

2% GLUTARLDEHYDE

8-10 Hrs used for :Pneumatic circuits. i.e.ventilator tubing O2 masks ventury devices nebulizer chamber

Sterilization

Disinfection15-30 Mts used for dis infecting endoscopes Respiratory tubing's

ETHYLENE OXIDE(EO)Used for polythene and plastic itemsE.g.:- Ambu bag ,Baines circuit , Domes ,

Biopsy Needle , Electric items , Rubber items

E.O. GASPre-caution: Scrupulous cleanliness and dryness Adequate aeration at least 12Hrs

VENTILATOR STERILE WATER FOR NEBULIZER & HUMIDIFIER PNEUMATIC CIRCUIT TO BE CHANGED WHEN VISIBLY SOILED USE HEAT & MOISTURE EXCHANGE FILTER CONDENSATE IN TUBING TO BE DRAINED ONLY TO THE WATER TRAPS

HUMIDIFIER DOMES (AUTO CLAVED OR STERILIZED BY 2% GLUTARALDEHYDE)

PNEUMATIC CIRCUIT WASHED UNDER RUNNING WATER IMMERSED IN 2% GLUTARALDEHYDE FOR 8 TO 10Hrs

TRACHEOSTOMY CARETO BE GIVEN EVERY FOUR HOURS SKIN AROUND TRACHEOSTOMY TUBE CLEANED WITH BETADINE INNER CANNULA OF METAL TRACHEOSTOMY -CLEANED UNDER RUNNING WATER

-IMMERSED IN HYDROGEN PEROXIDE FOR 10MTS- WASHED WITH WATER AND GAUZE WICK -BOILED FOR 10 MINTS AND REPLACED ONCE IT IS COOL

TRACHEAL SUCTIONINGUSE DISPOSABLE SUCTION CATHETER SUCTION JAR & TUBING CHANGED EVERY 24 Hrs

FILLED WITH 7% LYSOL FOR 1Hr

CLEANED WITH SOAP UNDER RUING WATER

SUCTION TRAYSo TO BE CHANGED EVERYDAY o SUCTION CUPS-CHANGED AFTER EACH USE - IMMERSED IN 7% LYSOL FOR 1Hr - WASHED WITH SOAP &WATER - SENT FOR AUTOCLAVING

ICU ISOLATION ROOMSINGLE CLOSED CUBICLECASES OPEN TB , ANTHRAX, MRSA etc UV LIGHT FOR DISINFECTION

FUMIGATION

NOT RECOMMENDED

ICU INSTRUMENTSSEPARATE:THERMOMETER, AMBU BAG,BAINS CIRCUIT, STETHOSCOPE, BIOPSY NEEDLE - EO GAS STERILIZATION DISPOSABLE SUCTION CATHETER

ALL REUSABLE ITEMS

WASHED UNDER RUNNING WATER

2% GLUTARALDEHYDE

DOUBLE AUTO CLAVING1. HIV , HBV , HCV , MRSA INFECTTION 2. FOR RE- USABLE NON SHARP MATERILE

3. PLACED IN REDBAG

PERSONNELUNIVERSAL PRECAUTION

HAND WASHING

GLOVES

MASK

SHARPS

LINENo SOAKED IN 7% LYSOL hrs

SEPARATE AREA (UTILITY ROOM) FOR EQUIPMENT DISINFECTION PNEUMATIC CIRCUITS , O2MASK etc SUCTION JAR CLEANING AND DISINFECTION CHEST DRAINAGE BOTTLES LINEN DISINFECTION

ROUTINE SURVEILLANCE IN ICU ONCE IN A MONTH