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New Cobalt-60 Plant Opened.
—A new radiation plant for sterilizing sutures, ligatures, and other products was recently opened by Sir William Penney, deputy chairman of the United Kingdom Atomic Energy Authority (AEA). The plant was designed and built under license from the AEA which supplies the cobalt-60 source used to produce the high-energy gamma ray. The cobalt-60 source is shielded by a wall of vibrated concrete 5 ft 6 in thick. Each suture, sealed in its package, is put into an 8-in-thick carrier which is conveyed automatically into the radiation cell and is finally deposited on an output storage rack for removal. Automatic handling enables the plant to run night and day and permits work to proceed without exposing personnel to radiation hazard. For maintenance purposes, the cobalt-60 source can be withdrawn into a pit, allowing the cell to be entered without danger.The output capacity of the plant is
UNITED KINGDOM. JAMA. 1963;184(8):669. doi:10.1001/jama.1963.03700210103033
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