Varian Medical Systems to Showcase a Wide Spectrum of New and Updated Products That Improve Radiotherapy Treatment Processes at 2009 AA...( ANAHEIM Calif. July...)

ANAHEIM, Calif., July 23 /PRNewswire-FirstCall/ -- Varian Medical Systems (NYSE: VAR) will showcase a wide spectrum of new and updated products that improve and simplify the processes of radiotherapy and radiosurgery. Among the products on display will be a new version of the Eclipse(TM) radiotherapy treatment planning system, with five new features that enhance the product's speed, precision, and clinical flexibility. The new software release received FDA 510(k) clearance at the end of June.

Eclipse now incorporates the following features:

• Conformal optimization, which makes it easier and faster to plan 3-D conformal radiotherapy treatments by automatically adjusting beam angles, weights and modifiers that shape the treatment beam to meet specified dose objectives.
• Biological optimization, which enables the use of biological models based on clinical data to improve the quality of treatment plans.
• Biological evaluation, which presents information about the probability of achieving tumor control alongside the risk of damaging healthy tissues for a given treatment plan, so that the most helpful, least harmful approach can be more easily identified.
• Brachytherapy dosimetry (the Acuros(TM) module) for accurately calculating the dosimetry of brachytherapy treatments, which involve placing radioactive sources in or near a targeted tumor.
• New tools and enhancements that streamline planning for different types of radiation therapy, radiosurgery, and stereotactic body radiosurgery treatments.
  

"Each of these new capabilities either speeds up the planning process, brings biological data into the optimization equation, enhances accuracy, or adds flexibility," sai
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