Technology | March 04, 2013

Elekta Launches Versa HD System To Treat Broader Spectrum of Cancers

Elekta Versa HD Linear Accelerator Radiation Therapy

March 3, 2013 — During a live global event, Elekta announced the launch of Versa HD, an advanced linear accelerator system designed to improve patient care and treat a broader spectrum of cancers. Featuring high precision beam shaping and tumor targeting, Versa HD also unveils new capabilities designed to maximize health care system resources and deliver highly sophisticated therapies without compromising treatment times.

Versatility to deliver better treatments to more patients

Versa HD gives clinicians the flexibility to deliver conventional therapies to treat a wide range of tumors throughout the body, while also enabling treatment of highly complex cancers that require extreme targeting precision. As an integrated treatment system, Versa HD offers the versatility to address today's growing cancer management challenges.

"The well-being of increasing numbers of cancer patients worldwide inspired us to create Versa HD," says Elekta's President and CEO, Tomas Puusepp. "We strived to incorporate technologies that would provide an immediate impact to patient health and quality of life. As the pioneers of many of today's most advanced therapies, we are proud to introduce Versa HD as yet another market-leading innovation. Versa HD truly reflects the best thinking of Elekta's technical experts and our clinical partners."

Integrated with Elekta's recently-launched Agility 160-leaf multileaf collimator (MLC), Versa HD provides highly conformal beam shaping — a critical requirement for maximizing the dose to the target while also preserving surrounding healthy tissues. Importantly, this high targeting accuracy is available over a large field-of-view, permitting delivery of high-definition (HD) beams to a wide spectrum of complex targets. Historically, high-definition beam shaping often was mechanically limited to only small target therapies. Versa HD with Agility overcomes this challenge, now empowering clinicians to deliver extremely precise beam contouring for both small and large targets.

Unprecedented combination of High Dose Rate delivery and rapid MLC leaf speed

Capable of delivering radiation doses three times faster than previous generation Elekta linear accelerators, Versa HD harnesses the ultra-fast leaf speeds of Agility MLC. With this groundbreaking combination, clinicians can now, for the first time, take full advantage of higher dose rate delivery, potentially enabling even greater capabilities for sophisticated therapies, including stereotactic radiosurgery (SRS), stereotactic radiotherapy (SRT) and volumetric modulated arc therapy (VMAT).

"Historically, MLC leaf speed has been a limiting factor in adopting high dose rate delivery. The leaves were often incapable of moving fast enough to provide advanced modulations with the increased dose rate," says Elekta's Kevin Brown, global vice president scientific research. "With Versa HD, clinicians can now take full advantage of high dose rate delivery, and provide highly exquisite conformance with much greater efficiency."

To reduce environmental impact and operating costs, Versa HD consumes up to 30 percent less energy than other delivery systems. Versa HD also debuts with modern ergonomics, including a more patient-friendly, softer and sleeker exterior, new user controls and ambient lighting effects.

Versa HD is not available for sale or distribution in all markets. Elements of Versa HD are pending FDA 510(k) clearance.

For more information: www.VersaHD.com

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Gadolinium-enhanced MRI of a cardiac radiation therapy patient at baseline (left) and 3 months post-treatment (right). Top: the left ventricle with patchy, gadolinium-enhanced scar was transmurally targeted with a radiation ose of 25 Gy between 3 and 6 o’clock (red brackets). Nonenhanced, remote myocardium is adjacent to target region (white arrowhead). Bottom: surviving nonenhanced myocardium within the same images is visible in the targeted region at baseline and 3 months post-treatment (yellow outline).

Gadolinium-enhanced MRI of a cardiac radiation therapy patient at baseline (left) and 3 months post-treatment (right). Top: the left ventricle with patchy, gadolinium-enhanced scar was transmurally targeted with a radiation ose of 25 Gy between 3 and 6 o’clock (red brackets). Nonenhanced, remote myocardium is adjacent to target region (white arrowhead). Bottom: surviving nonenhanced myocardium within the same images is visible in the targeted region at baseline and 3 months post-treatment (yellow outline). See more figures from this study.

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