放射防护外照射防护PPT讲稿.ppt





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1、放射防护课件外照射防护第1页,共21页,编辑于2022年,星期日Section1 辐射防护的基本方法Cardinal Principles of Radiation Protectionn nTimen nDistancen nShielding第2页,共21页,编辑于2022年,星期日Section1 辐射防护的基本方法第3页,共21页,编辑于2022年,星期日Section1 辐射防护的基本方法第4页,共21页,编辑于2022年,星期日Section1 辐射防护的基本方法第5页,共21页,编辑于2022年,星期日Section1 辐射防护的基本方法第6页,共21页,编辑于2022年,星期日
2、Section1 辐射防护的基本方法第7页,共21页,编辑于2022年,星期日Section1 辐射防护的基本方法Ten Commandments forTen Commandments forMinimizing Risks from Fluoroscopic X-RaysMinimizing Risks from Fluoroscopic X-Raysn n#1 Remember,dose rates will be greater and dose will accumulate faster in larger#1 Remember,dose rates will be greater
3、 and dose will accumulate faster in larger patients.patients.n n#2 Keep the tube current as low as possible.#2 Keep the tube current as low as possible.n n#3 Keep the kVp as high as possible.#3 Keep the kVp as high as possible.n n#4 Keep the patient at maximum distance from the x-ray tube.#4 Keep th
4、e patient at maximum distance from the x-ray tube.n n#5 Keep the image intensifier as close to the patient as possible.#5 Keep the image intensifier as close to the patient as possible.n n#6 Dont overuse geometric or electronic magnification.#6 Dont overuse geometric or electronic magnification.n n#
5、7 If image quality is not compromised,remove the grid.#7 If image quality is not compromised,remove the grid.n n#8 Always collimate to the area of interest.#8 Always collimate to the area of interest.n n#9 Personnel must wear protective aprons,use shielding,monitor their doses,and know how to#9 Pers
6、onnel must wear protective aprons,use shielding,monitor their doses,and know how to position themselves.position themselves.n n#10 Keep beam-on time to an absolute minimum!#10 Keep beam-on time to an absolute minimum!The Golden Rule The Golden Rule第8页,共21页,编辑于2022年,星期日Section2 辐射防护材料辐射防护材料的性能辐射防护材料的
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