Use our elekta linear accelerator comparison chart to find the best medical equipment for your facility. Tg142 also considers increased precision needed and. Linear accelerator a synergy linac elekta ab, stockholm, sweden equipped with an mlc with a leaf width of 1 cm was employed. Radiation protection in radiotherapy what is linac a linear accelerator is a device that uses high radio. Tg40 was comprehensive to include tests for co60 units, ct simulators, radiotherapy equipment, etc. Tests were primarily conducted on the elekta versa hd tm linear accelerator elekta ab, stockholm, sweden at the mid north coast cancer institute at coffs harbour in nsw, australia. The linac is equipped with the iviewgt electronic portal imaging system version r3. New linear accelerator in radiation oncology hauling a 6 metric ton machine into a clinic is no small feat.
With a suite of advanced guidance tools, imaging of soft tissue at the time of treatment allows efficient verification of tumor and critical structure position, providing. In this study, a simple and efficient model was developed for elekta sl25 linear accelerator using mcnp4c monte carlo code. Food and drug administration fda for agility, a beamshaping device integrated into the head of a linear accelerator linac. Elekta was jointly founded in 1972 by the late lars leksell, professor of neurosurgery at the karolinska institute in stockholm, sweden and his son laurent. Synergy linac, commissioning, photon beam data, percent depth dose. The edge system features a linear accelerator that is designed to deliver radiation with submillimeter accuracy. The present work validates the geant4 application for tomographic emission monte carlo software for the simulation of a 6 mv photon beam given by elekta synergy platform medical linear accelerator treatment head. Photon beam commissioning of an elekta synergy linear. History in the late 1940s, the idea of using linear accelerator in the medical application become interested.
Pdf the aim of this study is to present the results of commissioning of elekta synergy linear accelerator linac. Technology versa hd at mount zion ucsf the elekta versa hd unit is a recent addition of sophisticated linear accelerator technology at ucsf. Monte carlo and analytic modeling of an elekta infinity. Largest gantry isocenter clearance in the market for noncoplanar techniques. Agility is an inte grated element of the linear accelerator s gantry. Linear accelerator comparison charts radiology oncology systems.
Mar 05, 2015 new linear accelerator in radiation oncology hauling a 6 metric ton machine into a clinic is no small feat. The versa hd utilizes the agility 160 leaf multileaf collimating system, which allows for precision shaping of the beam to the treatment area. Measurement of head scatter factor for linear accelerators. Schematic overview of the segment changes for the different plan recalculation and reoptimization methods available in the treatment planning software for the 1.
Pdf photon beam commissioning of an elekta synergy. But the department of radiation oncology and capital management, along with elekta, have done just that, bringing in a new linear accelerator for radiation therapy treatmentsand three more are coming in the next two years. Elekta is a swedish company that provides radiation therapy, radiosurgery, related equipment and clinical management for the treatment of cancer and brain disorders. Elekta elekta axesse linear accelerator manufacturer. The head of elekta sl25 linac was simulated for 6 and 18 mv photon beams using mcnp4c. Elekta synergy is a linear accelerator that generates the ionizing radiations 10, it is also characterized by a 3d image guidance that allows to monitor the progress of the treatment, thanks to. The maximum gantry speed was 6 degreesec, and the maximum leaf speed was 2 cmsec. As evidence continues to grow for new radiosurgery indications ensure you have the right platform to empower the treatments of tomorrow. Simulation of the 6 mv elekta synergy platform linac. Due to the complexity of target motion during cardiac and pulmonary motion as well as the several proximate radiosensitive structures of the tracheobronchial tree and esophagogastrointestinal tract, four potential candidates for this.
If the inline pdf is not rendering correctly, you can download the pdf file here. Elekta assurance new levels of automation and integration for advanced qa. The new synergy system which is equipped to perform the. Hypofractionated radiation therapy demands the highest levels of accuracy and precision.
The purpose of this study is to report the dosimetric aspects of commissioning performed on an elekta versa hd linear accelerator linac with high. The measurement of s c at different orientations of the chamber, parallel and perpendicular at 1. The use of log file analysis within vmat audits the british. During the past 70 years medical linacs have gone through 5 distinct generations. Vmat testing for an elekta accelerator kaurin 2012. A columnar mini phantom is designed as recommended by estro to measure the head scatter factor s c for 6 mv beam of two linear accelerators. Elekta recommended that customers replace the m20 x 50 mm bolts marked of on the gantry counterbalance frame immediately. The delivery system features the maestro control architecture that monitors the status of each of the machine subsystems at a rate of 10hz. Feb 18, 2015 history in the late 1940s, the idea of using linear accelerator in the medical application become interested. Elekta annual report 2012 human care makes the future possible. Elekta infinity with vmat gives you the flexibility to dynamically control multiple treatment parameters while the beam is. A prolonged, diseasefree life is what cancer patients hope for. We also extend the method reported for vmat commissioning of the elekta accelerator by verifying maximum values of parameters gantry speed, multileaf collimator mlc speed, and backup. Dec 26, 2010 a linear accelerator produces a beam of either electrons or very high energy xrays.
New linear accelerator in radiation oncology the loop. Handout for the theory and operation of computercontrolled. Pdf photon beam commissioning of an elekta synergy linear. Log files are useful in identifying differences between linear accelerator models and isolate errors during endtoend testing in volumetricmodulated arc therapy vmat audits. Pdf simulation of the 6 mv elekta synergy platform linac.
Oct, 2016 the mrlinac is a hybrid linear accelerator linac combined with a magnetic resonance imaging mri scanner. As mri can provide optimal softtissue contrast, the 1. Elekta synergy linear accelerator manual july 11, 2016 10. Measurement of head scatter factor for linear accelerators using indigenously designed columnar mini phantom. For details, please contact your elekta representative.
To verify that the linear accelerator linac can correctly deliver a vmat treatment, ling et al. Elekta unde rtakes no obligation to publicly update or revise any forwardlooking statements, whether as a result of new information, future events or otherwise, except as required by law or stock exchange regulation. The digital linear accelerator must not be used until these of bolts are replaced. Monte carlo and analytic modeling of an elekta infinity linac. Push the boundaries of your stereotactic capabilities. Handout for the theory and operation of computercontrolled medical linear accelerators moa517a01 tim waldron 71502 page 5 of 19 control systems overview in alphabetical order by manufacturer name. The simulation includes the major components of the linear accelerator linac with multileaf collimator and a homogeneous water.
Frequency rfelectromagnet waves to accelerate charged particles i. Check out our inventory of high quality, cost effective linacs today. June 20, 2012 elekta announced it has received 510k clearance from the u. The radiation beam can be shaped and directed to match the tumor shape.
Medical linear accelerators have been in clinical use since the early 1950s. The versa is also capable of delivering volumetric modulated arc therapy vmat, which. The results presented by kerns et al 4 were not differentiated between tps types and versions, linear accelerator type and treatment sitetechniques. Feb 04, 2020 this report studies the medical linear accelerator market size value and volume by players, regions, product types and end industries, and forecast data 20202026. The acceptance test and commissioning were performed for three photon beams energies 4 mv, 6 mv and 15 mv and for the multileaf collimator mlc. Log file errors appeared to be consistent across different centres for each linear accelerator type. Elekta linear accelerators, together with a centralised patient database for image guidance therapy and portal imaging. Digital linear accelerators to suit your clinical needs. This report studies the medical linear accelerator market size value and volume by players, regions, product types and end industries, and forecast data. Commissioning an elekta versa hd linear accelerator. Elekta linear accelerator comparison chart radiology. Enter the room and confirm that the lasers are aligned to the mimi phantoms true isocenter to within the clinics established tolerances, see figure 10.
The linac model 120 was constructed for 6 mv energy, based on the technical data provided by the manufacturer and previously published work 10. A linear accelerator produces a beam of either electrons or very high energy xrays. The control system of elekta synergy accelerators elekta, inc. Log file analysis can rapidly eliminate the machine delivery from the process and. Elekta synergy inspiring clinical confidence elekta synergy was the first advanced digital linear accelerator to introduce soft tissue volumetric image guided radiation therapy.
The mrlinac is a hybrid linear accelerator linac combined with a magnetic resonance imaging mri scanner. As treatment technology and complexity have developed, so has the burden of qa in terms of both time and cost. Housed in specially built shielded bunkers, these nineton behemoths commonly referred to as linacs are the powerful, complex, multitasking engines of radiotherapy. The aim of the present work was to investigate the applicability of log files for prospective machine qa for elekta linacs and to assess the correlation of log file indicated errors with dosimetric uncertainties by using a specially designed vmat plan. Pdf commissioning and verification of 10 mv elekta synergy. Developement a simple point source model for elekta sl25.
The aim of this study is to present the results of commissioning of elekta synergy linear accelerator linac. Tg142 also considers increased precision needed and increased demand on an accelerator with the increased use of imrt, tbi, srs and sbrt. All dicom data received will be first saved as dicom files into a local elekta synergy dicom. Leading the way in the development of precision radiation products, service. Tg142 expanded on linear accelerator tests to provide guidance for tests on mlcs, asymmetric jaws, dynamic and virtual wedges, epids, cbct and static kv imaging. Linking log files with dosimetric accuracy a multi.
Elekta description of machine the elekta sl25 is a dualphoton travellingwave linear accelerator. The medical linear accelerator is a dramatic example of what can be achieved when researchers from different academic disciplines converge to solve a problem. Beamnrc model of an elekta infinity linear accelerator a detailed model of an elekta infinity linac with agility mlc was created using beamnrc. A comprehensive tool to analyse dynamic log files from an. Apr 21, 2020 profound via comtex a recent report provides crucial insights along with application based and forecast information in the global linear. A geometrical illustration of this model including. The result emphasizes the need of s c measurement at 10 cm. Publications on machine specific qa using log files for elekta linacs are scarce. The collimator exchange effect reveals the opening of upper jaw increases the s c irrespective of the linear accelerator.
The entire system was put together by thinking through all the different components and. Heres a look at the latest ultracompact linear accelerator from stockholmbased elekta ab elekta compact was purposefully designed with a single lowenergy photon beam and a small footprint. The work described here compared the available technical solutions for the treatment of ventricular tachycardia with stereotactic body radiation therapy. Medical linear accelerator market boosting the growth. Service manual 453702149 bd facs 7color setup beads. Apr 17, 2020 june 20, 2012 elekta announced it has received 510k clearance from the u. The control system of elektasynergy accelerators elekta, inc. At astro 2008 american society for therapeutic radiology and oncology elekta presented elekta in.
Precision radiation medicine for everyone elektas family of hd. Simulation of the 6 mv elekta synergy platform linac photon. The field of radiation therapy is constantly changing, and being able to take full advantage of the latest clinical advancements is simple with the elekta synergy. Versa hd series with hdrs pushes the boundaries of your stereotactic capabilities. On the function key pad of the linear accelerator, hold down the and keys to cause the shifts to be applied to the table. Class 2 device recall elekta precise linear accelerator system. Elekta synergy was the first advanced digital linear accelerator to introduce soft tissue volumetric.
Sophistication, versatility trump linac size imaging. Tg142 also considers increased precision needed and increased demand on an accelerator with. This work showed that mlc errors for vmat are linear accelerator dependent. Photon beam commissioning of an elekta synergy linear accelerator. Quality assurance is a vital part of any radiotherapy service. Elekta recommended that customers put the machine in a parked position at 0, and attach the gantry locking straps. Medical linear accelerator celebrates 50 years of treating. Assessment of error in the mv radiation isocenter position. The effect of wedges on s c yields a significant contribution of 3. Electrons and electron cones, highdoserate electrons, intelligent device management service tools via internet, service and support agreements, qa tools, respiratory motion management system, stereotactic body frame, imrt qa tools, inroom cctv monitoring system, intercom system, patientalignment.
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