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Varian Medical Systems is an American radiation oncology treatments and software maker based in Palo Alto, California. Their medical devices include linear accelerators (LINACs) and software for treating cancer and other medical conditions with radiotherapy , radiosurgery , proton therapy , and brachytherapy .
A Varian TrueBeam linear accelerator which delivers stereotactic radiosurgery was funded by a £4.6 million Welsh Government investment in 2015. [2] When inspected in 2014, the Velindre Cancer Centre was generally praised. [3] A clinical trials unit was set up in 1994 with three members of staff.
Varian TrueBeam Linear Accelerator, used for delivering IMRT Intensity-modulated radiation therapy (IMRT) is an advanced type of high-precision radiation that is the next generation of 3DCRT. [ 76 ] IMRT also improves the ability to conform the treatment volume to concave tumor shapes, [ 10 ] for example when the tumor is wrapped around a ...
The AIS Cancer Center includes radiation and medical oncology, a Varian trueBEAM Linear Accelerator with RapidArch technology, and is affiliated with the UC Davis Comprehensive Cancer Center. [8] Sharlet Briggs was named president and CEO of SJCH in November, 2016. [9]
The Varians went on to found Varian Associates to commercialize the technology (for example, to make small linear accelerators to generate photons for external beam radiation therapy). Their work was preceded by the description of velocity modulation by A. Arsenjewa-Heil and Oskar Heil (wife and husband) in 1935, though the Varians were ...
As linear accelerators were developed with higher beam currents, using magnetic fields to focus proton and heavy ion beams presented difficulties for the initial stages of the accelerator. Because the magnetic force is dependent on the particle velocity, it was desirable to create a type of accelerator which could simultaneously accelerate and ...
The pressure from deteriorating linear networks, coupled with heavy debt loads, has forced legacy media giants to cut costs wherever possible, resulting in mass layoffs and restructuring efforts.
Like a conventional machine used for X-ray external beam radiotherapy (often referred to as a linear accelerator or linac, their main component), it [the tomotherapy machine] generates the radiation beam, but the external appearance of the machine, patient positioning, and treatment delivery differ. Conventional linacs do not work on a slice-by ...