In short: A portable autoclave is a miniaturized unit, usually bench-top or hand-portable, used to sterilize medical devices, glassware, and apparatus through the use of pressurized steam, heated up to around 121 degrees centigrade. Why Portability Counts Not every place can accommodate a full-scale sterilizer installation. Small clinics, dental offices, tattoo shops, laboratories, ... https://www.bionicsscientific.com/autoclave-sterilizer/portable-autoclave.php