General Concepts 2 min read
Fast Imaging
The 2D FT scan of k-space has the disadvantage that the scan time is proportional to the number of phase…
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SNR Considerations
The signal strength is determined by the EMF induced from each voxel due to the processing moments. The magnetic moment…
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Perspective
For most imaging systems, diffraction limits the resolution. That is, the resolution is limited to the wavelength divided by the…
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Resolution and Field of View
The fundamental image characteristics of resolution and field of view (FOV) are completely determined by the characteristics of the k-space…
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2D Imaging
Many different gradient waveforms can be used to scan k-space and to obtain a desired image. The most common approach,…
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Space Analysis of Data Acquisition
In MRI, we receive a volume integral from an array of oscillators. By ensuring that the phase,“signature” of each oscillator…
General Concepts 4 min read
Fundamentals of MRI
Magnetic resonance imaging exploits the existence of induced nuclear magnetism in the patient. Materials with an odd number of protons…
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Magnetic Resonance Imaging
Magnetic resonance imaging (MRI) is a clinically important medical imaging modality due to its exceptional soft-tissue contrast. MRI was invented…
General Concepts 6 min read
Bio ceramics
Introduction 1. Ceramics are solids that have inorganic non-metallic materials as essential components. They are mainly refractory poly crystalline compounds…
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Biogradable Polymeric Biomaterials
Introduction 1. The biogradable has same meaning as other terms such as absorbable and resorbable. The biogradable polymers are those…
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Orthopaedic Prostheses Fixation
Introduction The fixation and maintenance of a stable interface between the prostheses and tissues is a most difficult problem of…
General Concepts 5 min read
Telemedicine
Introduction 1. Telemedicine as name suggests, is the application of computer technology and telecommunication to provide health care from one…