The elekta versahd linac is characterized by the new 160 leaves agility mlc and the. Speed and agility are two major components of sport that need to be trained. The nominal leaf width is 5 mm and has a leaf tip radius of 17 cm. Mfiles eliminates information silos and provides quick and easy access to the right content from any core business system and. Request pdf evaluation of the elekta agility mlc performance using high resolution log files purpose.
Commissioning of an elekta versa hd linac with flattening filterfree beam technology aim of the study this work presents the commissioning of a versa hdtm linear accelerator elekta ab at the puglieseciaccio hospital in catanzaro, italy. Advanced radiotherapy with versa hd in clinical routine. Modeling elekta versahd using the varian eclipse treatment. Simeon nill joint department of physics at the institute of cancer research and the royal marsden nhs foundation trust london icrrmh has a research agreement with elekta on mlc tracking icrrmh is a member of the elekta atlantic research consortium disclaimer 2. Terk oncology center for prostate care and breast conservation. Paper open access picket fence test of agility mlcs using. The agility multileaf collimator is indicated for use when additional flexibility is required in conforming the radiation beam to the anatomy to be exposed. It decreases collision risks with touchactivated patient. Beam modeling and vmat performance with the agility 160leaf.
Both dosimetric performance and latency are key figures and need to be assessed generically, independent of the used motion sensor. Modeling the agility mlc in the monaco treatment planning system. An experimental evaluation of the agility mlc for motion. In this paper, we propose the use of harmonic functions directly fed to the mlc to determine its latency during continuous. Varian base varian truebeam elekta agility matching the standard data pdd 10x10 jaw output imrt output sbrt output offaxis 56x62x2 0. The elekta agility mlc model was found to perform with high stability. Th ese features include fi eld shaping over a maximum fi eld size of 40 cm x 40 cm with 160 leaves that can. As treatment technology and complexity have developed, so has the burden of qa in terms of both time and cost. The predominant choice is elektas own monaco tps or a third party tps system including pinnacle or raystation. The agility multileaf collimator mlc elekta, stockholm, sweden.
Dosimetric evaluation of vmat planning for elekta agility. Quality assurance is a vital part of any radiotherapy service. Speed and agility drills pdf how to use your manual. In addition, the mlc is also used for xjaws, and is located above the yjaws. Elekta linear accelerator versa hd model information. Elekta has received clearance to ce mark its new multileaf collimator mlc crawley, england. Elekta is proud to continue its established position as a major supplier of neurosurgery and cancer treatment systems to the nhs. Images are automatically sorted and analyzed using a builtin cerberus script to significantly reduce qa time and lessen the burden of performing routine qa procedures. Rambam health care campus, oncology, haifa, israel. The treatment was delivered on an elekta synergy research linac equipped with an agility mlc using the dynamic mlc tumour tracking delivery technique. Multileaf collimator mlc 120 mlc field size 40x40cm, central 20cm of field 5mm leaf width, outer 20cm of field 10mm leaf width 120 mlc field size 40x40cm, central 20cm. Elektas new agility mlc solution poised to revolutionize beam. Elekta hits radiotherapy milestone with 5,000th linear.
Elektas new agility mlc solution poised to revolutionize beam shaping of radiation therapy cancer treatments. Hypofractionated radiation therapy demands the highest levels of accuracy and precision. The device features agility, elektas revolutionary multileaf collimator that has a 40cm x 40 cm treatment field and provides extreme precision and reliability. Agility is the next generation, high resolution beam shaping solution. For the love of physics walter lewin may 16, 2011 duration. Elekta are looking to recruit experienced therapy radiographers to join our clinical product specialist team. Versa hd is a sophisticated radiation treatment system, representing the convergence of c. About mfiles mfiles enterprise information management solutions eim improve and simplify how businesses manage documents and other information in order to become more productive, more efficient and stay compliant. Linking log files with dosimetric accuracy a multi. A treatment planning study comparing elekta vmat and fixed. Monte carlo dose verification of vmat treatment plans. Johns hopkins kimmel cancer center acquires elekta versa hd system. The device has been designed with patient safety in mind. It will handle up to five days so you can use it for the five day perry trials and will automatically add up the entry amount you will have to enter the amount for the first, second, ns across the tip of the page.
The agility mlc consists of an optical tracking system to track the mlc position. To evaluate the performance of the elekta agility multileaf collimator mlc for dynamic realtime tumor tracking. Th e unique features of agility have improved imrt delivery. Monte carlo simulation of the elekta versahd linac. Local implementation of planspecific quality assurance qa methods for intensitymodulated radiotherapy imrt and volumetric modulated arc therapy vmat treatment plans may vary because of dissimilarities in procedures, equipment and software.
Dynamic tumor tracking using the elekta agility mlc. Elekta agility linear accelerator model information. An elekta agility mlc comprises 80 leaf pairs 160 leaves in total, that are projected with a width of 0. Varian high energy linear accelerators comparison chart. With the advent of volumetric modulated arc therapy vmat and intensitymodulated. Agility multileaf collimator another project carried out in leeds in partnership with elekta was the evaluation and clinical implementation of the fi rst agility mlc56. The beam data is collected by the arc check software and exported in dose format to an excel worksheet.
Qa of elekta agility mlc with portal system sciencedirect. Elekta has received clearance to ce mark its new multileaf collimator mlc crawley, england, april 2 elekta announced today it has received clearance to ce mark agility, a revolutionary beamshaping device integrated into the head of a linear accelerator linac. Rit mlc qa multileaf collimator qa for varian and elekta. Borzov 1rambam health care campus, oncology, tirat karmel, israel. The agility multileaf collimator elekta ab, stockholm, sweden has 160 leaves of projected width 0. Elekta to demonstrate agility beamshaping solution at. The agility mlc has different properties than most of the mlcs, like less interleaf transmission. This is due to our commitment to research and development and by working closely with. Intelligentdesignwp %20agility%20%20intelligent%20design.
To evaluate elekta log file utilization for linac mlc qa effectiveness, five mlc. These early experiences with agility and high dose rate mode formed our. Elektas crawley plant also is the birthplace of the industrys fastest mlc agility and the worlds first high field mrlinac, elekta unity. The authors have developed a new control software which interfaces to the agility mlc to dynamically program the movement of individual leaves, the dynamic leaf guides dlgs, and the y collimators jaws based. Realtime monitoring of linac performance using rt plans. Rit provides varian users with a standardized patient file, preloaded with treatment plans, covering every tg142 test that the rit family of products can analyze. Using a research realtime control interface to go beyond. Elekta agility linear accelerator not rated rate this modal agility is a highresolution beam shaping solution designed to enhance patient plan optimization and treatment delivery. Using elekta agility log files, a set of tests were developed to. If it opens, you will be able to download the product. The vast majority of computers are able to download pdf files. Elekta to demonstrate agility beamshaping solution at 2012 astro annual meeting. Elektas new agility mlc solution poised to revolutionize.
The business case for enterprise content management m. Evaluation of the elekta agility mlc performance using. Elekta is a global company and our products such as mosaiq, agility, xvi and monaco, to name but a few are highly regarded in the oncology community. Commissioning of an elekta versa hd linac with flattening. Request pdf evaluation of the elekta agility mlc performance using highresolution log files purpose. The purpose of this work is detecting possible differences between local qa findings and those of an audit, using the same. The elekta agility 160 mlc has hitherto not been evaluated for its tracking suitability. Elekta versa hd linear accelerator model information. The eclipse model for elekta linacs with the agility mlc head was not available until late 2015. Push the boundaries of your stereotactic capabilities. To see if your computer can download pdf files, click here to do a test download, and wait a minute. The elekta agility mlc system was shown to be capable of obtaining speeds within the range of 535 mms.
The agility mlc consists of 160 mlcs arranged in two mlc banks, each bank consists of 80 leaves. The purpose of this study was to assess dosimetric validation of the new vmat optimization algorithm implemented in the treatment planning system eclipse tps v. On the suitability of elektas agility 160 mlc for tracked. Using a research realtime control interface to go beyond dynamic mlc tracking dr. Dosimetric effects of removing the flattening filter in. Plans were delivered using elektas icomcat software and recorded log files were extracted. Journal of radiosurgery and sbrt issn 21564639 isbn 9781933153346 volume 5, supplement 1 2017 c cie ce w o y u n o m. Manual leaf position detection was performed for leaf 64 on images for. Elekta assurance new levels of automation and integration for advanced qa. Patients and clinics will benefit from the speed and reliability. Identifying treatment planning system errors through iroc. A vmat benchmark plan was created and tested on 18 elekta linacs mlci or mlci2, 5 agility at 4 different institutions.
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