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Shoe-fitting fluoroscopes, also sold under the names X-ray Shoe Fitter, Pedoscope and Foot-o-scope, were X-ray fluoroscope machines installed in shoe stores from the 1920s until about the 1970s in the United States, Canada, United Kingdom, Australia, South Africa, Germany and Switzerland. [1] In the UK, they were known as Pedoscopes, after the ...
The X-ray housing is turned by 90° for a chest radiograph. An X-ray machine is a device that uses X-rays for a variety of applications including medicine, X-ray fluorescence, electronic assembly inspection, and measurement of material thickness in manufacturing operations. In medical applications, X-ray machines are used by radiographers to ...
Fluoroscopy (/ flʊəˈrɒskəpi /) [1], informally referred to as " fluoro ", is an imaging technique that uses X-rays to obtain real-time moving images of the interior of an object. In its primary application of medical imaging, a fluoroscope (/ ˈflʊərəˌskoʊp /) [2][3] allows a surgeon to see the internal structure and function of a ...
The main limitation of this type of CT is the bulk and inertia of the equipment (X-ray tube assembly and detector array on the opposite side of the circle) which limits the speed at which the equipment can spin. Some designs use two X-ray sources and detector arrays offset by an angle, as a technique to improve temporal resolution. [8] [9]
X-ray optics is the branch of optics that manipulates X-rays instead of visible light.It deals with focusing and other ways of manipulating the X-ray beams for research techniques such as X-ray diffraction, X-ray crystallography, X-ray fluorescence, small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and X-ray astronomy.
Ultrasonography machine: uses ultrasound to produce images from within the body; video link: X-ray: uses X-rays to produce images of structures within the body; video link: Contrast media for X-rays: to provide a high contrast image of the details of the viscera under study; e.g. salts of heavy metals, gas like air, radio-opaque dyes, organic ...
From the early 1920s through to the 1950s, X-ray machines were developed to assist in the fitting of shoes [61] and were sold to commercial shoe stores. [62] [63] [64] Concerns regarding the impact of frequent or poorly controlled use were expressed in the 1950s, [65] [66] leading to the practice's eventual end that decade. [67]
2.58 × 10−4 A ⋅ s / kg. The roentgen or röntgen (/ ˈrɛntɡən, - dʒən, ˈrʌnt -/; [2] symbol R) is a legacy unit of measurement for the exposure of X-rays and gamma rays, and is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air (statcoulomb per kilogram).
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