Flashcards
Sterilization Methods
Flashcards do conjunto (18)
- 17 Sterilization methods1. Autoclave
2. Radiation
3. Dry Heat
4. Boiling
5. Flashing
6. Gas
7.Cold disinfectant - 2Autoclaving: 3 modes of actionHeat, steam, pressure
- 3What is the purpose of heat in the autoclave?To denature microbial proteins
- 4What is the purpose of steam in the autoclave?Supplies the heat, promotes penetration of the heat
- 5What is the purpose of pressure in the autoclave?Adequately heats the steam
- 63 factors affecting autoclavingTemperature, Pressure, Exposure time
- 7Minimums for Autoclaving (Temp, PSI, time)275° F - 15 PSI - 10 min
250° F - 15 PSI - 15 min - 8Advantages/Disadvantages: AutoclaveAdv: Economical, consistent, safe
DIsadv: Dulls sharp instruments, need pressurized equipment, scorches fabric if too dry, damage instruments if not dried properly - 9Flashing: 1. Typically used for? 2. Temp - PSI - Time1. Individual instruments (may have been dropped during surgery)
2. 275° F - 32 psi - 4 minutes - 10How does boiling water sterilize?Denaturing microbial proteins
- 11Boiling Water: Time for partly sterilized Time for fully sterilizedPartly - 20 min
Fully - 3+ hrs - 12Boiling Water: Advantages, disadvantagesAdv: Good for field work
Disadv: Rarely used, autoclave is better - 13Dry heat: Mode of action UsesMode of action: oxidation denatures proteins
Uses: Powders and non-aqueous solutions, animal care facilities - 14Dry heat: Advantages, disadvantagesAdv: Will not dull cutting edges
Disadv: Hot air oven needed - 15Gas sterilization: What gas is used? Mode of action?Gas: Ethylene Oxide
Mode of action: Destroys metabolic pathways in pathogens - 16Gas sterilization: Advantages, disadvantagesAdv: Good for heat-sensitive materials, electrical & optical equipment, will not dull instruments
Disadv: Expensive, flammable, dangerous, carcinogenic, OSHA regulations - 17Radiation: Mode of action UsesMode of action: damages cell enzymes and DNA
Uses: Commercial preparation of pharmaceuticals, biologic products & disposable plastics - 18Cold "Sterilization": Mode of action Advantages, disadvantagesMode of action: destroys metabolic pathways in microorganisms
Advantages: Will not dull instruments, good for field instruments, not inactivated by organic material
Disadvantages: Must be at correct concentrations, rusts, cause tissue damage
Informações
- Descrição
- FlashCards sobre Sterilization Methods, criado por Courtney Miller em 20-01-2019.
- Criado por
- Courtney Miller · jan 2019
- Atualizado
- 20 jan 2019
- Visualizações
- 21
- Avaliação