Medical Ultrasound Imaging
Saturday, 23 November 2024
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The range of diagnostics and imaging systems of Siemens Medical Systems covers ultrasound, nuclear medicine, angiography, magnetic resonance , computer tomography and patient monitoring.
In September 2000 Siemens Medical Engineering Group, bought Acuson Corporation (Mountain View, California) for approximately $700 million. Ultrasound Systems: Ultrasound Systems (older):
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The company is a member of the Bracco Group, a highly innovative health care group and world leader in global integrated solutions for the diagnostic imaging field. The Bracco Group is headquartered in Milan, Italy. Its North American operations consist of Bracco Diagnostics and Bracco Research USA, both located in Princeton, New Jersey. Bracco Diagnostics is one of the fastest growing developers and marketers of diagnostic pharmaceuticals in North America, with products for various imaging applications, including Isovue® (iopamidol) X-ray contrast agent, ProHance®, (gadoteridol), MRI contrast agent, and nuclear medicine products.Gadoteridol has been available in Europe and the USA for several years. Holder of the Marketing Authorization: Bracco International B.V. - Strawinskylaan 3051 - 1077 ZX Amsterdam The Netherlands. (Contact: Kirk Deeter, Phone: +NL-303-838-8708) The Bracco Group is the world's leading provider of global diagnostic imaging solutions, with net sales of more than 1 billion euro, of which more than 64% from international sales; it has operations in 115 countries and about 3,500 employees, of whom more than 600 work in R&D. Bracco invests around 15% of its turnover in R&D and has a portfolio of 1,500 patents worldwide. The Bracco Group deploys an integrated approach to diagnostic imaging, with an offer that encompasses contrast media, its core business where it is one of the world's top players, biomedical equipment from Esaote, one of the world's primary producers of magnetic resonance and ultrasonographic medical equipment, contrast media delivery systems from Acist Medical Systems, a top US company in advanced contrast media injection systems, and medical application software from EBIT-AET and Singapore's Volume Interactions, the leading developer of advanced medical software. Bracco has formed a high-level international research network, whose three centers in Milan, Geneva and Princeton study and develop products for the latest-generation diagnostic techniques, from X-rays and computerized axial tomography to magnetic resonance and echo contrast. Ultrasound Contrast Agents:
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Please see Bracco Diagnostics, Inc.'s
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The definition of imaging is the visual representation of an object. Medical imaging is a broad term that encompasses various imaging modalities and techniques used in the field of medicine to visualize and study the body's anatomy and physiology. It includes both diagnostic and non-diagnostic imaging procedures, where diagnostic imaging specifically refers to the subset of medical imaging techniques that are primarily focused on diagnosing diseases or conditions. Medical imaging techniques are employed to obtain images or visual representations of the internal organs, tissues, and structures, aiding in the diagnosis, treatment, and monitoring of medical conditions.
The field of medical imaging has significantly evolved since the discovery of X-rays by Konrad Roentgen in 1896. Initially, radiological imaging involved focusing X-rays on the body and capturing the images on a single piece of film within a specialized cassette. Subsequent advancements introduced the use of fluorescent screens and special glasses for real-time visualization of X-ray images. A significant breakthrough came with the application of contrast agents, enhancing image contrast and improving organ visualization. In the 1950s, nuclear medicine studies utilizing gamma cameras demonstrated the uptake of low-level radioactive chemicals in organs, enabling the observation of biological processes in vivo. Currently, positron emission tomography (PET) and single photon emission computed tomography (SPECT) technologies play pivotal roles in clinical research and the diagnosis of biochemical and physiological processes. Additionally, the advent of the x-ray image intensifier in 1955 facilitated the capture and display of x-ray movies. In the 1960s, diagnostic imaging incorporated the principles of sonar, using ultrasonic waves generated by a quartz crystal. These waves, reflecting at the interfaces between different tissues, were received by ultrasound machines and translated into images through computer algorithms and reconstruction software. Ultrasound (ultrasonography) has become an indispensable diagnostic tool across various medical specialties, with immense potential for further advancements such as targeted contrast imaging, real-time 3D or 4D ultrasound, and molecular imaging. The first use of ultrasound contrast agents (USCA) dates back to 1968. Digital imaging techniques were introduced in the 1970s, revolutionizing conventional fluoroscopic image intensifiers. Godfrey Hounsfield's pioneering work led to the development of the first computed tomography (CT) scanner. Digital images are now electronic snapshots represented as grids of dots or pixels. X-ray CT brought about a breakthrough in medical imaging by providing cross-sectional images of the human body with high contrast between different types of soft tissue. These advancements were made possible by analog-to-digital converters and computers. The introduction of multislice spiral CT technology dramatically expanded the clinical applications of CT scans. The first magnetic resonance imaging (MRI) devices were tested on clinical patients in 1980. With technological improvements, such as higher field strength, more open MRI magnets, faster gradient systems, and novel data-acquisition techniques, MRI has emerged as a real-time interactive imaging modality capable of providing detailed structural and functional information of the body. Today, imaging in medicine offers a wide range of modalities, including:
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X-ray projection imaging;
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Fluoroscopy;
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Computed tomography (CT / CAT);
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Ultrasound imaging (US)
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Magnetic resonance imaging (MRI), Magnetic source imaging (MSI);
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Single photon emission computed tomography (SPECT);
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Positron emission tomography (PET);
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Mammography.
These imaging modalities have become integral components of modern healthcare. With the rapid advancement of digital imaging, efficient management has become important, leading to the expansion of radiology information systems (RIS) and the adoption of Picture Archiving and Communication Systems (PACS) for digital image archiving. In telemedicine, real-time transmission of all medical image modalities from MRI to X-ray, CT and ultrasound has become the standard. The field of medical imaging continues to evolve, promising further innovations and advancements in the future, ultimately contributing to improved patient care and diagnostics. See also History of Ultrasound Contrast Agents, and History of Ultrasound.  Further Reading: News & More:
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