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The properties of Lead which make it an excellent shielding material are its density, high atomic number, high level of stability, ease of fabrication, high degree of flexibility in application, and its availability. And that’s why lead is used as radiation protection in applications ranging from x-ray imaging and PET rooms to nuclear reactors. In this article, author explains how lead shielding is used for medical purposes. Lead is the best metal in providing protection from various sources of radiation and has become a standard in the design of Radiation Protection systems. The properties of Lead which make it an excellent shielding material are its density, high atomic number, high level of stability, ease of fabrication, high degree of flexibility in application, and its availability. And that’s why lead is used as radiation protection in applications ranging from x-ray imaging and PET rooms to nuclear reactors. A senior consultant from Medi-RayTM1 says about lead shielding, “Whether you are shielding radioactive materials, X-Ray, CT, MRI or PET scanning equipment or the rooms that house them, Medi-RayTM has the shielding components you need: sheet lead and foils, adhesive backed and coated lead materials, custom components and lead stampings.” (Ref: Medi-RayTM, http://www.mediray.com/product_category/products/lead_shielding ) Radioactive materials in laboratories and hospitals are usually handled by remote control from a position of safety behind a wall of Lead bricks and in hospitals, X-ray machines are normally installed in rooms shield with Lead Sheet / Lead Foil. The X-ray can cause physical damage to person exposed to them so it is necessary to shield the x-ray generating units with a material that resists x-ray penetration. For medical radiographic and fluoroscopic rooms, the lead shielding generally does not extend above a line 7 ft., 0 in. from the finished floor; and if the services lines and ducts can be located above this line, shielding around them is obviously unnecessary. For X-ray therapy rooms, lead shielding may extend to the ceiling or structural slab. The ceiling or slab above and the floor may also be lead lined, depending upon the output and other conditions. 1. MedirayTM: MedirayTM is devoted to innovation in lead metal technology. Since 1974, MedirayTM has been the largest supplier of radio-pharmaceutical shipping containers. MedirayTM is mainly known for shielding radioactive products, X-ray, PET, CT or MRI equipment. For any further enquiry or to get free quotes, call at 877-898-3003 / 914-979-2740 or fax at 914-337-4620. You can send e-mails at sales@mediray.com. Office is located at 150 Marbledale Road, Tuckahoe, New York 10707. Visit http://www.mediray.com/ for more information.
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