The aim of this study is to present the results of commissioning of elekta synergy linear accelerator linac. Digital linear accelerators to suit your clinical needs. Log file errors appeared to be consistent across different centres for each linear accelerator type. Class 2 device recall elekta precise linear accelerator system. Elekta recommended that customers put the machine in a parked position at 0, and attach the gantry locking straps. Simulation of the 6 mv elekta synergy platform linac. Service manual 453702149 bd facs 7color setup beads. Elekta elekta axesse linear accelerator manufacturer.
Medical linear accelerators have been in clinical use since the early 1950s. The medical linear accelerator is a dramatic example of what can be achieved when researchers from different academic disciplines converge to solve a problem. Pdf simulation of the 6 mv elekta synergy platform linac. Apr 21, 2020 profound via comtex a recent report provides crucial insights along with application based and forecast information in the global linear. 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. Leading the way in the development of precision radiation products, service. Dec 26, 2010 a linear accelerator produces a beam of either electrons or very high energy xrays. The measurement of s c at different orientations of the chamber, parallel and perpendicular at 1. Medical linear accelerator celebrates 50 years of treating. The collimator exchange effect reveals the opening of upper jaw increases the s c irrespective of the linear accelerator.
New linear accelerator in radiation oncology the loop. Elekta annual report 2012 human care makes the future possible. Elekta linear accelerator comparison chart radiology. Apr 17, 2020 june 20, 2012 elekta announced it has received 510k clearance from the u. This work showed that mlc errors for vmat are linear accelerator dependent. The entire system was put together by thinking through all the different components and. On the function key pad of the linear accelerator, hold down the and keys to cause the shifts to be applied to the table.
If the inline pdf is not rendering correctly, you can download the pdf file here. 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. The head of elekta sl25 linac was simulated for 6 and 18 mv photon beams using mcnp4c. A geometrical illustration of this model including. The dose rate was variable by a factor of two in six steps. 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. 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. Handout for the theory and operation of computercontrolled. The control system of elektasynergy accelerators elekta, inc.
Food and drug administration fda for agility, a beamshaping device integrated into the head of a linear accelerator linac. Elekta synergy linear accelerator manual july 11, 2016 10. Housed in specially built shielded bunkers, these nineton behemoths commonly referred to as linacs are the powerful, complex, multitasking engines of radiotherapy. Commissioning an elekta versa hd linear accelerator.
Linear accelerator a synergy linac elekta ab, stockholm, sweden equipped with an mlc with a leaf width of 1 cm was employed. 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. Beamnrc model of an elekta infinity linear accelerator a detailed model of an elekta infinity linac with agility mlc was created using beamnrc. Sophistication, versatility trump linac size imaging.
Monte carlo and analytic modeling of an elekta infinity. The edge system features a linear accelerator that is designed to deliver radiation with submillimeter accuracy. Elekta xvi volumetric imaging and registration qa with the. 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.
Measurement of head scatter factor for linear accelerators. Linear accelerator comparison charts radiology oncology systems. 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. 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 versa is also capable of delivering volumetric modulated arc therapy vmat, which. As treatment technology and complexity have developed, so has the burden of qa in terms of both time and cost. Tg40 was comprehensive to include tests for co60 units, ct simulators, radiotherapy equipment, etc. 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. 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. The control system of elekta synergy accelerators elekta, inc. Log file analysis can rapidly eliminate the machine delivery from the process and. History in the late 1940s, the idea of using linear accelerator in the medical application become interested. The simulation includes the major components of the linear accelerator linac with multileaf collimator and a homogeneous water. June 20, 2012 elekta announced it has received 510k clearance from the u.
Elekta is a swedish company that provides radiation therapy, radiosurgery, related equipment and clinical management for the treatment of cancer and brain disorders. 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. Mar 22, 2017 radiation protection in radiotherapy what is linac a linear accelerator is a device that uses high radio. Feb 18, 2015 history in the late 1940s, the idea of using linear accelerator in the medical application become interested. The linac model 120 was constructed for 6 mv energy, based on the technical data provided by the manufacturer and previously published work 10. The delivery system features the maestro control architecture that monitors the status of each of the machine subsystems at a rate of 10hz. Agility is an inte grated element of the linear accelerator s gantry. The purpose of this study is to report the dosimetric aspects of commissioning performed on an elekta versa hd linear accelerator linac with high. Use our elekta linear accelerator comparison chart to find the best medical equipment for your facility. The digital linear accelerator must not be used until these of bolts are replaced. The mrlinac is a hybrid linear accelerator linac combined with a magnetic resonance imaging mri scanner. Tg142 also considers increased precision needed and increased demand on an accelerator with the increased use of imrt, tbi, srs and sbrt. Elekta recommended that customers replace the m20 x 50 mm bolts marked of on the gantry counterbalance frame immediately. The work described here compared the available technical solutions for the treatment of ventricular tachycardia with stereotactic body radiation therapy.
The results presented by kerns et al 4 were not differentiated between tps types and versions, linear accelerator type and treatment sitetechniques. Elekta infinity with vmat gives you the flexibility to dynamically control multiple treatment parameters while the beam is. Assessment of error in the mv radiation isocenter position. A comprehensive tool to analyse dynamic log files from an. 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 radiation beam can be shaped and directed to match the tumor shape. 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 versa hd utilizes the agility 160 leaf multileaf collimating system, which allows for precision shaping of the beam to the treatment area. Pdf the aim of this study is to present the results of commissioning of elekta synergy linear accelerator linac. Pdf photon beam commissioning of an elekta synergy linear. A linear accelerator produces a beam of either electrons or very high energy xrays. Elekta description of machine the elekta sl25 is a dualphoton travellingwave linear accelerator. Elekta linear accelerators, together with a centralised patient database for image guidance therapy and portal imaging. The new synergy system which is equipped to perform the.
Synergy linac, commissioning, photon beam data, percent depth dose. Vmat testing for an elekta accelerator kaurin 2012. Photon beam commissioning of an elekta synergy linear accelerator. 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. Log files are useful in identifying differences between linear accelerator models and isolate errors during endtoend testing in volumetricmodulated arc therapy vmat audits. Check out our inventory of high quality, cost effective linacs today.
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. Push the boundaries of your stereotactic capabilities. Feasibility of estimating patientspecific dose verification. As evidence continues to grow for new radiosurgery indications ensure you have the right platform to empower the treatments of tomorrow. Frequency rfelectromagnet waves to accelerate charged particles i. Measurement of head scatter factor for linear accelerators using indigenously designed columnar mini phantom. Linking log files with dosimetric accuracy a multi. Pdf photon beam commissioning of an elekta synergy. Precision radiation medicine for everyone elektas family of hd. The use of log file analysis within vmat audits the british. Monte carlo and analytic modeling of an elekta infinity linac.
Developement a simple point source model for elekta sl25. 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. Tg142 also considers increased precision needed and increased demand on an accelerator with. Medical linear accelerator market boosting the growth.
For details, please contact your elekta representative. Pdf commissioning and verification of 10 mv elekta synergy. At astro 2008 american society for therapeutic radiology and oncology elekta presented elekta in. Photon beam commissioning of an elekta synergy linear. Hypofractionated radiation therapy demands the highest levels of accuracy and precision. During the past 70 years medical linacs have gone through 5 distinct generations. Radiology oncology systems provides affordable, high quality, refurbished radiation therapy and diagnostic imaging equipment solutions, including linear accelerators linacs, ct scanners, mri systems, petct scanners, ct simulators and more, to facilities around the world, increasing access to quality health care services for millions of patients. Technology versa hd at mount zion ucsf the elekta versa hd unit is a recent addition of sophisticated linear accelerator technology at ucsf. Tg142 also considers increased precision needed and. All dicom data received will be first saved as dicom files into a local elekta synergy dicom. New linear accelerator in radiation oncology hauling a 6 metric ton machine into a clinic is no small feat.
Quality assurance is a vital part of any radiotherapy service. A prolonged, diseasefree life is what cancer patients hope for. Versa hd series with hdrs pushes the boundaries of your stereotactic capabilities. Simulation of the 6 mv elekta synergy platform linac photon.
Elekta synergy inspiring clinical confidence elekta synergy was the first advanced digital linear accelerator to introduce soft tissue volumetric image guided radiation therapy. 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. Publications on machine specific qa using log files for elekta linacs are scarce. To verify that the linear accelerator linac can correctly deliver a vmat treatment, ling et al.
As clinics become more collaborative and treatments become more personalized, elekta is using precision radiation medicine to work towards a future where everyone can benefit from precise and individually tailored radiotherapy treatments, regardless of your need or location. Elekta synergy was the first advanced digital linear accelerator to introduce soft tissue volumetric. This report studies the medical linear accelerator market size value and volume by players, regions, product types and end industries, and forecast data. Schematic overview of the segment changes for the different plan recalculation and reoptimization methods available in the treatment planning software for the 1. Largest gantry isocenter clearance in the market for noncoplanar techniques. Elekta assurance new levels of automation and integration for advanced qa. The linac is equipped with the iviewgt electronic portal imaging system version r3.
The effect of wedges on s c yields a significant contribution of 3. 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. Oct, 2016 the mrlinac is a hybrid linear accelerator linac combined with a magnetic resonance imaging mri scanner. 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.
As mri can provide optimal softtissue contrast, the 1. The maximum gantry speed was 6 degreesec, and the maximum leaf speed was 2 cmsec. Radiation protection in radiotherapy what is linac a linear accelerator is a device that uses high radio. In this study, a simple and efficient model was developed for elekta sl25 linear accelerator using mcnp4c monte carlo code. Mar 05, 2015 new linear accelerator in radiation oncology hauling a 6 metric ton machine into a clinic is no small feat.
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