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Varian Medical Systems, Inc.
行业:
Number of terms: 14663
Number of blossaries: 0
Company Profile:
Varian Medical Systems, Inc., headquartered globally in Palo Alto, California, is the world's leading manufacturer of medical devices and software for treating cancer and other medical conditions with radiotherapy, radiosurgery, proton therapy, and brachytherapy. The company supplies informatics ...
Country in which a person was born.
Industry:Medical devices
The process by which a beam of radiation is reduced in intensity when passing through matter. It is the combination of absorption and scattering processes and leads to a decrease in flux density of the beam when projected through matter.
Industry:Medical devices
To reduce the strength of an X-ray or electron beam. Filters and foils diminish their respective X-ray and electron beams by directing the beam through a metal disk that is thicker in the center than at the edges; this action attenuates the center of the beam more than the edges, and thus "flattens" or equalizes the area of the beam.
Industry:Medical devices
Physician's confirmation that patient was properly positioned based on image pair reviewed.
Industry:Medical devices
A positive electrode. Electrode toward which negative ions are attracted.
Industry:Medical devices
AP
Anterior/Posterior. It denotes the path the beam takes through the body. AP means the anterior surface of the patient‘s body is entered first and it exits posteriorly, through the back.
Industry:Medical devices
A sequence of well-defined, unambiguous rules or processes for the solution of a problem in a finite number of steps. Computers can carry out the steps in many kinds of algorithms.
Industry:Medical devices
Fans, or air intakes with filters, that move air inside the Stand and gantry, and exhaust them through the top or upper back of the Stand.
Industry:Medical devices
The opposite of vacuum. A major part of beam generation takes place in a vacuum, which is maintained by the vacion pumps. If a pump fails, or some breach occurs, the system is said to “go down to air. ” A portion of beam generation takes place in air, after the beam leaves the bend magnet, before it strikes the target, and then strikes the ion chamber.
Industry:Medical devices
. A VARiS application that the system administrator uses to configure the Varian System Database and the treatment machines at your facility.
Industry:Medical devices
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