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T

he growing use positron emitting isotopes in various nuclear medical procedures has created theneed for syringe shields that offer a greater level of protection as compared to the shielding requirements for the lower energy radioisotopes widely used in the past. The relatively high activity of PETisotopes coupled with the need to effectively attenuate 511 keV radiation has necessitated thicker syringe shields to avoid objectionable hand dose to technicians performing repetitive procedures.In recognition of these needs, ATI Firth Sterling has developed a proprietary line oftungsten heavy alloy syringe shields for PET isotopes that offer a number of benefits. These units are presently available in sizes to accommodate most popular brands of 3, 5, 10, and 20 cc disposable syringes includ- ing leur-lock types. The shield body offers approximately a 20:1 attenuation of 511 keV radiation (narrow beam calculation using XCOM). Units can easily be completely disassembled for sterilization or cleaning. Custom designs for special use or higher protection level can also be provided. 1297 County Line Road • Madison, Alabama 35756Phone: 800-221-4273 • Fax: 800-221-1895 e-mail: sales@firthsterling.com

www.atifirthsterling.com