This machine employs Cobalt 60 as a source of gamma rays to treat tumors.The source is a small cylinder filled with cobalt pellets. It is surrounded by a solid spherical shield of lead 22 inches in diameter. The ray issues through a passage in the lead shield; and a collimator, below the head, controls the ray’s shape to match the tumor . The head, embodying the lead sphere, weighs as much as a medium sized automobile, and the entire machine weighs about seven tons. The structure consist of cast stainless steel, including the lower extension which is a solid eight inches thick. This serves as a combined counterweight for the head and shield for the gamma ray after it passes through the patient. -Lawrie McIntosh Click here to see the next generation, Theratron 780

Comments

DESIGN + CONQUERNovember 3, 2009
Looks like it could blend, too—similar aesthetic to Kitchen Aid’s classic stand mixer…eerie!: <http://homemakerswhowork.files.wordpress.com/2009/07/kitchenaid.jpg>
Greg BallNovember 4, 2009
solid eight inches thick cast steel… love it.
David PantalonyNovember 25, 2009
I am currently documenting the history Theratron Junior. <http://www.flickr.com/photos/43814911@N04/sets/72157622508875465/> Would you know the names of people who worked on the design? David Pantalony, PhD Curator, Physical Sciences and Medicine Canada Science and Technology Museum Conservateur, Sciences physiques et médecine Musée des sciences et de la technologie 2380 Lancaster Rd., PO Box 9724, Stn. T Ottawa, Ontario, K1G 5A3, Canada tel. 613-949-9165 fax 613-990-3636
Michael ErdmannNovember 25, 2009
Hi David, No idea, but Lawrie may be able to help or suggest someone who will… I’ll pass along his contact info. -ME
Roberto OrtegaJuly 22, 2011
Would you tell me what are the dimensions that hosts cobalt 60 source on the Theratron 80 machine?
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