Varian improves brachytherapy treatment
2 November 2007
Varian Medical Systems (VAR: NYSE) has the iX range of
advanced afterloaders that simplify high dose rate brachytherapy delivery
and optimise treatment of cancer patients.
The afterloaders have new Windows-based control software, common to both
the VariSource iX and GammaMedplus iX afterloaders, the computer-controlled
devices used for delivering the radiation sources. The new software
integrates with Varian’s BrachyVision treatment planning system. The company
says the new iX systems are in operation at a number of sites and are
currently being shipped to customers.
Varian is also introducing an updated version of its VariSeed
brachytherapy seed-planning software. VariSeed 8.0 incorporates several new
features that allow greater visibility of the treatment.
offers brachytherapy physicists new and improved contouring tools, including
the ability to contour in the sagittal and coronal planes. Contouring the
urethra has been simplified by the introduction of the Structure sweep,
which is also available in the VariSeed Implant View module for interactive
seed placement and dosimetry.
Among the new features is a tool that creates a digital reconstruction of
the CT image and makes it much simpler to define the seed placement. A
typical permanent seed implant involves up to 120 radioactive seeds, each
the size of a grain of rice.
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