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Archive for tag: imaging equipment

Important Considerations to Review Before Purchasing an MRI System


10 June, 2011 | MRI

Before purchasing an MRI system, it is important to take into consideration the following main technical points, in order to make the best decisions possible for your medical facility: The MRI system should be FDA-approved The MRI system should comply with the IEC 60601-2-23 standard The MRI system should comply with all Dicom 3.0 mri [...]

CT Scanner Gantry Informational Guidelines


22 May, 2011 | CT Scanner

CT Scanner Gantry Basic Components The largest component of a CT scanner system is referred to as the scan or imaging system. The imaging system primarily includes the CT scanner gantry and patient table or couch. The CT scanner gantry is a moveable frame that contains the x-ray tube, including: collimators and filters, detectors, data [...]

CT Scanner X-Ray Tubes Clarified


15 May, 2011 | CT Scanner Parts

Improved Technologies Lead to Challenging Tasks for CT Scanner X-Ray Tubes. The most current CT scanning techniques place a high heat load on the CT scanner x-ray tube, due to the need for high tube current values to provide enough photons in the image, when scanning with fast rotations and fine slices. Increasing rates of [...]

Tomosynthesis


6 February, 2011 | Tomosynthesis, X-ray

Tomosynthesis is a method for producing images of slices through the body using a general radiographic X-ray system with a direct digital radiography detector. This is accomplished by obtaining a large number of image acquisitions across a range of projection angles of the X-ray tube. Currently, tomosynthesis is an optional add-on for suitable DR systems. [...]

What to Take into Consideration When Buying a CT Scanner


9 January, 2011 | CT Scanner

Technical specifications of available CT scanners are often quite extensive. Although it is helpful to review these for each CT scanner component, this may not reflect the relative clinical performance of the systems. It is also important to recognize that the performance in practice depends on the trade-off between image quality and radiation dose. The [...]

Diffusion MRI


13 December, 2010 | MRI

Diffusion MRI, the commonly used magnetic resonance imaging method,  produces in vivo images of biological tissues weighted with local microstructural characteristics of water diffusion. In diffusion-weighted imaging, each image voxel has an image intensity that reflects a single best measurement of the rate of water diffusion at that location. This measurement is more sensitive to [...]

Digital Radiography


10 November, 2010 | Digital Radiography, imaging equipment

Radiography is an imaging technique that produces high-quality anatomic images by using x-rays. General radiography is currently a major part of hospital imaging departments and includes abdomen, chest and extremity examinations. The use of digital radiography has rapidly increased in recent years. Computed radiography provided a cost-effective transition mode from the traditional film (from the [...]