نتایج جستجو برای: free lead composite shield

تعداد نتایج: 955098  

Journal: :international journal of pediatrics 0
vahid karami department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. mansour zabihzadeh department of medical physics, school of medicine, student research committee, ahvaz jundishapur university of medical sciences, ahvaz, iran and department of clinical oncology, golestan hospital, ahvaz jundishapur university of medical sciences, ahvaz, iran nasim shams department of oral and maxillofacial radiology, school of dentistry, ahvaz jundishapur university of medical sciences, ahvaz, iran saman sarikhani department of radiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran.

background: gonad shielding has been recommended during pelvic x-rays since the 1950s. the popular method of gonad shielding is placement a lead shield in the midline of the pelvis. the aim of this study was to evaluate the prevalence and utility of gonad shielding in pediatrics undergoing pelvic x-rays.materials and methodsfollowing study approval, we retrospectively retrieved data from the di...

Journal: :international journal of pediatrics 0
vahid karami medical physics student (msc), department of medical physics, student research committee, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. mansour zabihzadeh assistant professor, department of medical physics, school of medicine, student research committee, ahvaz jundishapur university of medical sciences, ahvaz, iran. mehrdad gholami assistant professor, department of medical physics, lorestan university of medical sciences, khorram abad, iran. nasim shams assistant professor (phd), department of oral and maxillofacial radiology, school of dentistry, ahvaz jundishapur university of medical sciences, ahvaz, iran zahra fazeli nezhad radiologist, department of radiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran.

background  it is remain a main concern that pediatric chest radiographies contribute to the significant radiation exposure to the thyroid gland as a more susceptible organ to radiation induced cancer. the aim of this study was to evaluate the entrance surface dose (esd) of pediatric chest radiography compared to the diagnostic reference levels (drl) and evaluation the efficacy of the lead (pb)...

Journal: :IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 2011

Journal: :RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin 2015
H Eder M C Seidenbusch M Treitl P Gilligan

PURPOSE Today's standard radiation protection during coronary angiography and percutaneous coronary interventions is the combined use of lead acrylic shields and table-mounted lower body protection. Ambient dose measurements, however, have shown that these protection devices need improvement. MATERIALS AND METHODS Using an anthropomorphic physical phantom, various scenarios were investigated ...

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