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A suicide bag, also known as an exit bag or hood, [1] [2] is part of a euthanasia device consisting of a large plastic bag with a drawcord used to die by suicide through inert gas asphyxiation. It is usually used in conjunction with a flow of an inert gas that is lighter or less dense than air, like helium or nitrogen .
Nitschke described his device as a modification of the exit bag with helium method described in The Peaceful Pill Handbook. Helium was replaced by a cylinder of compressed nitrogen and a regulator to supply the nitrogen into a plastic bag. One advantage of this method was the availability of larger amounts of nitrogen and flow rates last longer.
In mid-1982, Walters and his then girlfriend, Carol Van Deusen, purchased 45 eight-foot (2.4 m) weather balloons from a military surplus store [5] and helium tanks from California Toy Time Balloons. They used a forged requisition from his employer, FilmFair Studios , saying the balloons were for a television commercial.
English chemist Humphry Davy offered the gas to party guests in a silken bag, and documented its effects in his 1800 book Researches, Chemical and Philosophical which investigated "nitrous oxide, or diphlogisticated nitrous air, and its respiration". [17]
Helium storage and conservation is a process of maintaining supplies of helium and preventing wasteful loss. Helium is commercially produced as a byproduct of natural gas extraction. Until the mid-1990s, the United States Bureau of Mines operated a large scale helium storage facility to support government requirements for helium.
An inflatable [1] is an object that can be inflated with a gas, usually with air, but hydrogen, helium, and nitrogen are also used. One of several advantages of an inflatable is that it can be stored in a small space when not inflated, since inflatables depend on the presence of a gas to maintain their size and shape.
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