Ionizing Radiation. Lecture outline Ionizing radiation 1. X-ray radiation 2. Complex Roentgen equipment З. Medical equipment based on use of ionizing.

Slides:

Advertisements

Similar presentations

X-ray Rashida Merriweather. X-rays have wavelengths between m m X-rays have frequencies between 30,000,000,000,000,000 Hz - 30,000,000,000,000,000,

Advertisements

Electromagnetic Spectrum. Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays. Our.

Wilhelm Conrad Röntgen

Introduction to Medical Imaging Introduction to Medical Imaging X-ray and CT Guy Gilboa Course

Main Menu Great Pyramids 2900 BCE Atomic Theory Founders of

X-radiation. X-rays are part of the electromagnetic spectrum. X-radiation (composed of X-rays) is a form of electromagnetic radiation. X- rays have a.

Measurement of Light: Applications ISAT 300 Foundations of Instrumentation and Measurement D. J. Lawrence Spring 1999.

Light Electromagnetic and Visible Spectrum. Electromagnetic Waves Consist of changing magnetic and electric fields moving through space at the speed of.

Chapter 4 & 25 Nuclear Chemistry

Alpha decay parent nucleus daughter nucleus Momentum conservation decides how the energy is distributed. r E 30 MeV 5 MeV.

RHESSI 2003 October 28 Time Histories Falling fluxes following the peak Nuclear/511 keV line flux delayed relative to bremsstrahlung Fit to 511 keV line.

Radioactivity Polonium and radium X-Rays

Chapter 03 Experimental Basis for Quantum Theory General Bibliography 1) Various wikipedia, as specified 2) Thornton-Rex, Modern Physics for Scientists.

CT scanning (f) Candidates should be able to show an understanding of the principles of CT scanning. (g) Candidates should be able to show an understanding.

Gamma Spectroscopy HPT TVAN Technical Training

Medical Imaging: X-rays to CT Zach Simmons UST Physics.

Ionising Radiation.

Changes In Medical Technology By Tyrone Hettig. The Black Plague.

CHANGES IN MEDICAL TECHNOLOGY BY PHIN IKAHIHIFO. THE BLACK PLAGUE.

Medical equipment based on laws of thermal radiation by objects and quantum mechanics.

Chapter 3 Astronomy TEST REVIEW. WHAT ARE ALL THE FORMS OF ENERGY THAT COME FROM THE SUN? Radio waves Microwaves Infrared Rays (Heat) Visible light Ultraviolet.

MEDICAL IMAGING.

X-ray machine Names:JacusNicholasSheanCeline. Who was the inventor The inventor of the first x-ray machine is Wilhelm Conrad Rontgen He was born in lennep,

Medical Technology. Medical imaging Medical imaging is used to produce images of organs and tissues within the body for use in diagnosis and treatment.

Medical Image Analysis Medical Imaging Modalities: X-Ray Imaging Figures come from the textbook: Medical Image Analysis, Second Edition, by Atam P. Dhawan,

Nuclear Decay Come together, fall apart. Before we Begin….. What is Half-Life? What is the difference between fission and fusion?

Chapter 39 The Atomic Nucleus and Radioactivity

Nuclear radiation. What do we mean by Radioactivity? Radioactive decay is the process in which an unstable atomic nucleus loses energy by emitting radiation.

History and Introduction Why Radiochemistry IGERT program at Hunter College.

Week 1 :Concepts of Radiologic Science RTEC

NM 4303 PHYSICS AND INSTRUMENTATION CHRISTIAN 7 TH EDITION Chapter 2 Physics of Nuclear Medicine.

Introduction to Medical Imaging Imagining Modalities.

Γ γ γ γ γ γ. What is gamma radiation? How are they produced? Gamma rays in outer space γ γ γ Uses of gamma rays Comparison of Gamma with Alpha and Beta.

CHAPTER 10 CONCURRENT ENROLLMENT CHEMISTRY. RADIOACTIVE NUCLEI Nuclei that undergo spontaneous changes and emit energy in the form of radiation Nuclei.

Radioactivity Nuclear Chemistry. Discovery of Radioactivity Wilhelm Roentgen discovered x-rays in Henri Becquerel discovered that uranium salts.

I WELCOME YOU ALL TO HAVE A CUP OF PHYSICS WITH SMILE.

Invention and Inventor Done by Bernice, Asmara, Danish and Jonathan.

Scientists in the late 1800s determined that there were different types of radiation in addition to visible light. Some types of radiation have mass, some.

Digital Image Processing Chapter 1: Introduction 29 May 2006 Digital Image Processing Chapter 1: Introduction 29 May 2006.

Discovery of Radioactivity

Basic Nuclear Chemistry. Line vs. Continuous Spectra.

Types of Nuclear Decay. Alpha Decay (α) Emission of an alpha (α) particle which is a Helium nuclide. During an alpha decay, a nucleus is able to reach.

NUCLEAR CHEMISTRY An Energetic Concept. WHO DID WHAT Wilhelm Roentgen Laboratory generated phosphorescence X-rays.

1 Electromagnetic Radiation and X-Rays "It's of no use whatsoever[...] this is just an experiment that proves Maestro Maxwell was right - we just have.

Radioactivity Section Radioactivity Wilhelm Rontgen discovered glowing fluorescent screen on far side of a room where he was experimenting with.

Radiation(X-Ray). Wilhelm Rontgen was born on March 27,1845 and died on February 10,1923.

Review for Test Electromagnetic Spectrum & Nuclear Chemistry.

Chapter 14 - Light Electromagnetic Wave- a wave that consists of vibrating electric and magnetic fields that radiate outward from the source at the speed.

Gamma Decay. Radioactive Decay Alpha Decay Radioactive Decay Alpha Decay Beta Decay.

ELECTROMAGNETIC SPECTRA. c = λν E = hν E = mc 2 c = 3.00 x 10 8 m / sec h = x J sec Hz = 1 / sec HELPFUL EQUATIONS.

Electromagnetic Radiation (Light – the Supreme Informant!)

Chapter 9: Invisible Light “Black body” radiation.

Electrons in Atoms Chapter 2 Section 2. Objectives  How does the electron relate to the modern atomic theory?  How do electron energy levels in an atom.

The Electromagnetic Spectrum Contents: The Spectrum Basic Concepts Whiteboards.

11. Radiation. What is radiation? Radiation sources Antenna: radio waves, microwaves Atoms, molecules: light, infrared light, UV, X-rays Nuclei: Gamma.

MEDICAL IMAGING Dr. Hugh Blanton ENTC Radiation and the Atom.

Terms from Michael Faraday – )  Electrolysis – splitting of compounds by electricity  Electrolyte – compound that conducts electricity when.

Electromagnetic spectrum. Visible light λ ≈ 700 nmλ ≈ 420 nm.

4 Types of brain imaging techniques: Microelectrode: Examines individual neurons Macroelectrode: Examines brain activity without producing an image (Ex:

1 Psychology 304: Brain and Behaviour Lecture 2. 2 Research Methods 1.What techniques do biological psychologists use to assess the structure and function.

Digital Image Processing Chapter 1: Introduction 29 May 2006 Digital Image Processing Chapter 1: Introduction 29 May 2006.

X-rays Allysa Lujares Maddie Clark X-rays X-rays have wavelengths between 10 7 meters and meters. X-rays have frequencies between 3x10 16 Hz and.

Integrated Science Mr. Danckers Chapter 10.

 Two reasons medical tracers can be placed in a body:  Diagnose disease or Treat Disease  In both cases, several factors must be accounted for:  Gamma.

Light Electromagnetic and Visible Spectrum. Electromagnetic Waves Consist of changing magnetic and electric fields moving through space at the speed of.

Radiation Applications Application Cards Find the type of radiation used for your application. Note: If more than one type – choose one Group according.

Quantization of light energy  Planck derived a formula that described the distribution of wavelengths emitted, depending on the temperature. His formula.

I WELCOME YOU ALL TO HAVE A CUP OF PHYSICS WITH SMILE

Presentation transcript:

Ionizing Radiation

Lecture outline Ionizing radiation 1. X-ray radiation 2. Complex Roentgen equipment З. Medical equipment based on use of ionizing radiation

Roentgen medical equipment 1. Roentgen (X-ray) radiation 2. X-ray tube 3. X-ray devices 4. Computed Tomography (CT)

Roentgen (X-ray) radiation X-ray radiation – are electromagnetic waves with wavelength range between and 10 nm.

Ivan Pulyui Lamp

X-ray tube with rotating anode

Intensity of X-rays

Roentgen diagnostic complex hardware

Roentgen diagnostic computer operated complex hardware

Block Scheme of X-ray diagnostic device

Examination of a patient using mobile X- ray diagnostic device

Mobile X-ray diagnostic device

Monoblock of an X-ray device,,Арман-1’’

Block Scheme of an “РДА”

Computer system for X-ray CT examination

Mammography

Scheme of CT examination

Internal view of a CT scanner

Block Diagram of a CT scanner

Procedure for CT scanning

Roentgen equipment for examination of blood vessels 1. Roentgen spectra 2. Moseley's law З. Angiography 4. Angiographs

Wilhelm Conrad Röntgen – inventor of X-rays

Ivan Pavlovich Pulyui – inventor of Roentgen tube prototype

Dependence of Х-ray intensity on voltage

Dependence of X-ray minimal wavelength on voltage

Characteristic X-ray spectrum

Mechanism of characteristic x-ray spectra generation

Moseley's law,

Moseley's constant

Coefficient of Х-ray absorption

Comparison of X-ray absorption coefficients for bones and water

Angiograph

Angiography

Angiograph from the 2 nd City Hospital, Ternopil

Vascular visualization using angiography

Vascular angiography of human hands

Angiography

Medical equipment based on use of ionizing radiation 1. Laws of radioactive decay. 2. Types of radioactive decay. 3. Composition of gamma-knife, cyber-knife, positron-emission tomography (PET), linear accelerator.

Law of Radioactive Decay

The activity of a radioactive substance

Alpha (α)-Decay

Beta (β) -decay

Radioactive radiation

Three types of radioactive radiation

Gamma-chamber

Gamma-radiation based device

Gamma (γ)-knife

Cyber-knife

Linear Accelerator

Schematic visualization of operational principle for linear accelerator

Operational principles for Positron Emission Tomography (PET)

Principle of Positron Emission Tomography

References 1. Ємчик Л.Ф., Кміт Я.М. Медична і біологічна фізика: Підруч.-Львів: Світ, с. 2. Марценюк В.П., Дідух В.Д., Ладика Р.Б., Баранюк І.О., Сверстюк А.С., Сорока І.С. Підручник „Медична біофізика і медична аппаратура” Тернопіль: Укрмедкнига, 2008, 355 с. 3. Зисман Г.А., Курс общей физики. / Г.А. Зисман, О.М. Тодес //– М.: Наука, с. 4. Ремизов А.Н. Медицинская и биологическая физика. / А.Н. Ремизов // - М.: Высшая школа, – 634 с. 5. Чалий О.В. Медична і біологічна фізика в 2-ох томах. / О.В. Чалий //– К.:ВІПОЛ, 2001 – 840 с. 6. Яворський Б.М., Курс фізики ч.ІІ, / Б.М. Яворський, А.А. Детлаф, Л.Б. Милковська // - К.: Вища школа, с. 7.В. Д. Дідух. Заняття № 10. Кафедра медичної фізики з діагностичним та лікувальним устаткуванням. ТДМУ.