Back to results
US 4,284,600 AGranted
Method for biohazard steam sterilization
AssigneeAmerican Sterilizer Company
InventorsJohn R. Gillis, Peter Miraldi, Marius X. Stavers
Life of this patent
Estimating the term…
Abstract
A method and apparatus for sterilizing highly infectious material. The sterilizer incorporate an inner chamber having no drain line and having a reservoir created by low dams at the bottom of the inner chamber at each end for collecting condensate during the sterilizing cycle. The chamber has a steam jacket. Water for sterilizing can be introduced into the chamber at the time the chamber is loaded.
Claims5
A method of sterilizing comprising,
- providing a chamber having no drain line, said chamber having a steam line with a first check valve in said steam line,
- an opening above the bottom of said chamber with an evacuating means connected thereto.
- and a second check valve and filter connected in series between said evacuating means and said opening,
- loading said chamber with highly infectious material to be sterilized,
- evacuating said chamber and said filter through said opening through said filter and through said second check valve to a subatmosphere pressure by said evacuating means, admitting steam to said chamber and raising the temperature of said chamber to sterilizing temperature,
- maintaining said sterilizing temperature in said chamber for a period of time sufficient to accomplish sterilization,
- and removing said material from said chamber.
4 more elements
Dependencies are inferred from the claim text.