Sterilization (microbiology) equal to the probability of a non-sterile unit. For high-risk applications, such as medical devices and injections, a sterility assurance level of at least 10 is required by the United States Food and Drug Administration (FDA). A widely used method for heat sterilization is the autoclave, sometimes called a converter or steam sterilizer. Autoclaves use steam heated to under pressure. To achieve sterility, the article is placed in a chamber and heated by injected steam until the article reaches a temperature and time setpoint. Almost all the air is removed from the chamber, because air is undesired in the moist
Compulsory sterilization in Canada legally incompetent, the 1990 and 1992 reports outlined the scenarios where an involuntary sterilization could be warranted. As stated by the 1990 discussion, three conditions are necessary for an individual to undergo any medical procedure. Individuals who are legally incompetent include minors and sufficiently-disabled adults. The discussion reached a consensus that involuntary sterilization (or sterilization with substituted consent) is only permissible if it has an explicit positive effect on the physical or mental health of the individual: this is called therapeutic sterilization. One such case involved was a seriously disabled girl with an aversive phobia to blood, who was scheduled