Maintenance of X ray Devices: Ultrasound (US) imaging part 2 جهاز التصوير بالموجات فوق الصوتية ج2

صيانة جهاز التصوير بالموجات فوق الصوتية من صفحة 83 Chapter 5: Ultrasound (US) imaging Objectives Introduction 5.1) Medical Uses 5.1.1) Internal organ examination 5.1.2) Specialized organ examination 5.1.3) Doppler ultrasound 5.2) Ultrasound types 5.2.1) 2D Ultrasound 5.2.2) 3D Ultrasound 5.2.3) 4D Ultrasound 5.2.4) Doppler Ultrasound 5.3) Ultrasound equipment & parts 5.3.1) Transducer probe 5.3.2) Central processing unit (CPU) 5.3.3) Transducer pulse controls 4 5.3.4) Other parts 5.4) Working mechanism 5.5) Ultrasound transducer 5.5.1) Transducer Components 5.5.2) Transducer Bandwidth 5.5.3) Beam geometry & lateral resolution 5.5.4) Axial resolution 5.5.5) Transducer focusing 5.6) Transducer arrays 5.6.1) Linear arrays 5.6.2) Convex arrays 5.6.3) Phased arrays 5.6.4) Beam-forming & steering via pulse transmission for phased array 5.6.5) Analogue & digital receiver beam-forming for phased arrays 5.6.6) Time gain compensation 5.6.7) Multi-dimensional arrays 5.6.8) Annular arrays 5.7) Testing 5.7) Maintenance 5.7.1) Loss of part of the image or flickering 5.7.2) Excess noise 5.7.3) Gross image deterioration 5.7.4) Care of the probe 5.7.5) The electronics block 5.7.6) Change in image quality 5.7.7) Mains voltage fluctuation 5.7.8) Recorded data 5.7.9) Keyboard & front panel 5.7.10) Controls 5.7.11) Power system 5.7.12) Monitor 5.7.13) Small or wavy image 5.7.14) Equipment repair procedures 5.7.14.a) Display Replacement 5.7.14.b) Control Panel Subassembly Replacement 5.7.14.c) Main System Disassembly 5.7.15) Preventive maintenance 5.7.16) Machine inspection checklist 5.8) Safety guidelines in ultrasound imaging 5.8) Artifacts in ultrasound imaging OBJECTIVES Introduction Medical uses Ultrasound Types Ultrasound equipment & Parts Working mechanism Single element ultrasound transducers • Transducer bandwidth • Beam geometry & lateral resolution • Axial resolution • Transducer focusing Transducer arrays • Linear arrays • Phased arrays • Beam-forming & steering via pulse transmission for phased arrays • Analogue & digital receiver beam-forming for phased arrays • Time-gain compensation • Multi-dimensional arrays • Annular arrays Testing Maintenance Safety guidelines in ultrasound imaging Artifacts in ultrasound imaging What is ultrasound Ultrasound imaging Application of ultrasound in Medicine How ultrasound works Uses of ultrasound Ultrasound imaging PDF Medical ultrasound Indications of ultrasound What is ultrasound imaging used for? Is an ultrasound considered Imaging? What type of scan is an ultrasound? How do ultrasounds work? صيانة أجهزة الأشعة Maintenance of X ray Devices https://www.file-upload.com/tx8etcf9ez9u شرح المهندس مجدي يونس طه بمستشفيات جامعة طنطا والمعهد الفني الصحي بإمبابة الفرقة الثانية الترم الثاني شعبة الأشعة والتصوير الطبي المعاهد الفنية الصحية Radiology & Medical Imaging Division - Second year