Lecture 10 Technological Principles of Medical Instrumentation

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Presentation transcript:

Lecture 10 Technological Principles of Medical Instrumentation 6 October University Faculty of Applied Medical Sciences Department of Biomedical equipment and systems Technological Principles of Medical Instrumentation By Dr. Eng. Hani Kasban Mahmoud 2017 Lecture 10

Medical Imaging Techniques Lecture 10 CHAPTER 4 Medical Imaging Techniques Optical Imaging Infrared Thermography Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Optical Imaging Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Optical Imaging Optical Imaging Benefits Noninvasive. Non-ionizing radiation. Longitudinal measurements can be made over a period of time. Specific absorption by natural chromophores allows functional information to be obtained. Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Optical Imaging Optical Imaging Risks Low spatial resolution due to the diffusive nature of light propagation in breast tissue. Sensitive to water blood concentration, blood oxygenation and lipid concentration in breast tissue. Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Optical Imaging Optical Imaging Medical Applications Probing hemodynamics. Detecting tumors. Providing functional imaging of the brain. Scanning the breast cancer. Scanning the bone health. Scanning the teeth, gums and jaws. Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Infrared Thermography Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Infrared Thermography Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Infrared Thermography Thermography Imaging Benefits Noninvasive. Non-ionizing radiation. Low cost. Uniquely suited to observing dynamic physiological changes in the body. Able to identify connections and causes of pain and disease at a very early stage. Low processing time, a single image may contain several thousands of temperature points, recorded in a fraction of a second. Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Infrared Thermography Thermography Imaging Risks Limited as a primary (stand-alone) breast cancer diagnostic. Poor spatial resolution Poor calibration systems. Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Medical Imaging Techniques CHAPTER 4 Medical Imaging Techniques Infrared Thermography Thermography Medical Applications Determining the areas of the body that have inflammation. Breast imaging thermography offers women information that no other procedure can provide, but breast thermography is not a replacement for or alternative to mammography or any other form of breast imaging. Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

CHAPTER 4 (con..) Author : Dr. Eng. Hani Kasban A. Mahmoud / 2017

Many thanks Dr. Eng. Hani Kasban Questions?????