- Purpose: To sterilize instruments, glassware, liquids, and other materials by exposing them to high-pressure saturated steam, usually at temperatures of 121°C (250°F) to 134°C (273°F).
- Size: An 18-liter capacity means the chamber of the autoclave can hold up to 18 liters of material. This size is suitable for small to medium-sized clinics or labs.
- Operating Principle:
- Loading: Items to be sterilized are cleaned, prepped, and placed inside.
- Sealing: The autoclave door is securely sealed.
- Heating: Water inside the chamber is heated by an electric element, producing steam.
- Pressurization: As the steam builds, pressure inside the chamber increases.
- Sterilization Cycle: At a certain temperature and pressure, the autoclave maintains these conditions for a specific duration to ensure sterilization.
- Exhaust/Depressurization: Once the sterilization cycle is complete, steam is released, and pressure returns to normal.
- Drying: A drying phase may follow to remove any residual moisture from the sterilized items.
- Features to Look For:
- Temperature and Pressure Settings: Most autoclaves offer a range of settings.
- Cycle Duration: Different materials may require different sterilization times.
- Drying Phase: Important for items that must remain dry after sterilization.
- Safety Features: Overpressure relief valves, door-locking mechanisms during operation, and alarms or indicators for cycle completion or malfunctions.
- Digital Controls and Displays: Modern autoclaves often have digital interfaces for precise control and monitoring.
- Material: Most are made of stainless steel for durability and ease of cleaning.
- Maintenance:
- Regularly check for wear or damage.
- Clean the chamber and seals routinely.
- Ensure safety features are functioning correctly.
- Replace worn-out parts as needed.
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