双能X线骨密度仪测量原理和维修校准的技术分析  

Dual Energy X-Ray Bone Densitometer: Measurement Principles and Technical Analysis of Its Calibration and Maintenance

作　　者：曾锦清[1] 杨东[1] 潘弟[1] 

机构地区：[1]广州医学院第一附属医院,广东广州510120

出　　处：《临床医学工程》2008年第9期31-33,共3页Clinical Medicine & Engineering

摘　　要：本文介绍了常用骨密度仪的测量技术,对NORLAND XR-46双能X线骨密度仪的工作原理进行了分析,结合设备的维修案例,探讨了仪器校准质控和维护的重要性,给使用和维修人员提供故障处理的思路和方法。In this paper we introduce the measuring technology of commonly used bone density meter. By analyzing especially the principle of NORLAND Corporation XR-46 two-type X-ray bone density meter and the equipment＇ s service cases, we discuss the importance of the medical instrument＇ s calibration and maintenance. It will provide serviceman with new idea about how to handle the bone density meter＇ s problem in practice.

关 键 词：骨密度仪 原理 校准 维护 BMD 

分 类 号：R197.39[医药卫生—卫生事业管理]