The machine represents a multimillion dollar investment in. Synchronization of the movement of the dynamic leaf guides with individual leaf movements achieves enhanced leaf speed and removes the need for a split field. Medical linear accelerators in radiation therapy haijun song, ph. The digital linear accelerator must not be used until these of bolts are replaced.
Two more accelerators will arrive and begin operation in 20162017. So far the novel surface imaging system catalyst crad ab, uppsala, sweden in connection with an elekta synergy linear accelerator linac. First elekta versa hd signature digital linear accelerator linac commissioned in the apollo hospitals dhaka at radiation oncology department, bangladesh and put into clinical operation in 2017. Powered by intelligent software, unity provides soft. At the somc cancer center, our linear accelerator is stateoftheart featuring a digital imager that allows for a clear view of the patients treatment area, increasing accuracy. For decades, elekta has been providing a full range of stateoftheart linac solutions to oncology centers around the world. The simulation includes the major components of the linear accelerator linac with multileaf collimator and a homogeneous water. Comprehensive imageguided radiation therapy igrt system with vmat. An electron, proton, or heavyion accelerator in which the paths of the particles accelerated are essentially straight lines rather than circles or. Pdf commissioning an elekta versa hd linear accelerator. Multiplesource models for electron beams of a medical. Refurbished linear accelerators radiology oncology systems.
Pdf grid simulation of an elekta synergy platform linear. Need a service manual for a elekta synergy linear accelerator. Evidencebased clinical introduction of an innovation in radiation oncology connecting researchers, methodology, data collection, quality assurance, and. Elektas versa hd and mosaiq selected as category leaders in. Versa hd is a new class of linear accelerators released by elekta elekta. The system is expected to deliver precisely targeted radiation doses while simultaneously capturing the highestquality mr images. Elekta unity arrives at genesiscare st vincents sydney duration. Elekta linear accelerator linac chillers legacy has developed oem designs for most of the leading elekta linac systems. Evidencebased clinical introduction of an innovation in radiation oncology connecting researchers, methodology, data collection, quality assurance, and technical development. The dose rates can go up to 1400 mumin for 6 mv fff and 2400 mumin for 10 mv fff beams. Houston, april 18 the university of texas md anderson cancer centerhas purchased two elekta versa hd linear accelerators seattles swedish cancer institute acquires four elekta versa hd radiation therapy systems patients in the pacific northwest to. First elekta versa hd signature model linearaccelerator. Versa hd is a new class of linear accelerators released by elekta elekta oncology. Class 2 device recall elekta precise linear accelerator system.
Elekta infinity community, manuals and specifications. The medical linear accelerator linac is a highenergy xray machine used for the treatment of deepseated cancers by using highenergy photons. We can deliver these stateoftheart techniques with versa hd and do it in such a way that it not only manages the cancer, but also minimizes the impact of treatment on the patients quality of life. It can deliver flattened photon beams, flattening filter. Linear accelerators for radiation therapy crc press book.
Show full abstract plans with an elekta infinity linear accelerator and model mlci2 multi. The elekta synergy platform also features sophisticated ultraconformal field shaping with a fully integrated mlc, 40x40 cm fieldsize, iviewgt epid, mosaiq information. Medical linear accelerators have been in clinical use since the early 1950s. Commissioning an elekta versa hd linear accelerator aapm wiley. The aim of this study is to present the results of commissioning of elekta synergy linear accelerator linac. Elekta versahd patient education introduction youtube. With versa hd, clinicians can be confident that the dose is consistently placed as they planned it. Quality assurance is a vital part of any radiotherapy service. Elekta synergy was the first advanced digital linear accelerator to introduce soft tissue volumetric image guided radiation therapy. A device that accelerates radioactive particles and beams to body regions affected by malignancy, while minimising damage to normal tissue. Versa hd is a new class of linear accelerators released by elekta elekta oncology systems, crawley, uk. Characteristics of gated treatment using an optical surface imaging. Elekta s flattening filter free fff beam generation technology ensures matching between beams with and without the flattening filter. Grid simulation of an elekta synergy platform linear accelerator.
Purchasing a preowned linear accelerator system is not recommended for every facility. 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. The radiation beam can be shaped and directed to match the tumor shape. Commissioning an elekta versa hd linear accelerator aapm. 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. New linear accelerator in radiation oncology the loop. Medical linear accelerators mla market size, share and. Procedure to replace a ruby on the elekta agility 160 leaf head. Digital linear accelerators to suit your clinical needs. Also,shortage of skilled personnel to prescribe appropriate dosage and sessions is observed in the linear accelerator market. Service technicians forum elekta synergy linear accelerator manual ivan kuziv hospital hello. 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. Linear accelerators use electrodes and gaps arranged in a straight line, proportioned so when electrical potentials are varied with the proper amplitude and frequency, particles passing through the.
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. In conclusion, a software tool, named simac, was developed to improve the teaching of linear accelerator physics in. St today announced that its versa hd linear accelerator and mosaiq oncology information system ois have been selected as category leaders in the 2020 best in klas. Mar 05, 2015 treatments on the new linear accelerator, an elekta versa hd, started on wednesday, feb. The field of radiation therapy is constantly changing, and being able to take full advantage of the latest clinical advancements is. Elekta assurance new levels of automation and integration for advanced qa. Neutron activation processes simulation in an elekta medical. Versa hd will enable even more conformal treatments that should significantly limit normal tissue exposure and decrease side effects.
Elekta linear accelerator linac chillers by legacy. Elekta integrates hallmark elekta synergy imageguided workflow in the advanced elekta infinity system, a comprehensive treatment system that includes volumetric modulated arc therapy vmat. Schhs timelapse footage of elekta versa hd linear accelerator. The scope of this dicom conformance statement is to facilitate data ex change with equipment of elekta limited. Removal of an olderstyle varian linear accelerator and subsequent installation of an elekta synergy platform linac. Both, current and predicate device configurations use the same medical linear accelerator linac to deliver photon energies and dose rates for targeted external beam radiation therapy using established magnetic resonance imaging technology for. Campayo abstract monte carlo estimation of the giantdipoleresonance grn photoneutrons inside the elekta precise linac head emitting a 15 mv photon beam were performed using the mcnp6 generalpurpose monte. In addition to the wide tunnel size and positioning options, a laser free workflow benefits both the patient and the operator as it reduces setup time by avoiding manual tattoo alignment. A varian ix linear accelerator with millennium mlc varian medical systems, palo alto, ca was used to generate square mlc fields of nominal widths from 5100 mm.
Linear accelerators synonyms, linear accelerators pronunciation, linear accelerators translation, english dictionary definition of linear accelerators. The versa hd utilizes the agility 160 leaf multileaf collimating system, which allows for precision shaping of the beam to the treatment area. Infinity linear accelerator enhances cancer treatment at texas health presbyterian. Linear accelerators for radiation therapy, second edition focuses on the fundamentals of accelerator systems, explaining the underlying physics and the different features of these systems. Pdf photon beam commissioning of an elekta synergy. Mar 22, 2017 radiation protection in radiotherapy 5. Used elekta, elekta synergy linear accelerator buy new.
In this study, a prostate case and a head and neck case are planned using each delivery. Members of the elekta mrlinac consortium present updates on. Tg40 was comprehensive to include tests for co60 units, ct simulators, radiotherapy equipment, etc. The linear accelerator also features the revolutionary imrt intensity modulated radiation therapy, a powerful tool in the fight against.
Elekta synergy platform is designed to enable straightforward integration of the key imaging technologies that will transform an advanced linear accelerator into an igrt system. It is likely that this will remain true for the foreseeable future. Check out our inventory of high quality, cost effective linacs today. Analysis of physical parameters and determination of inflection point for flattening filter free beams in medical linear accelerator. At any given time, we have tens of thousands of parts availablewith new parts added on a. We know that you want to purchase a safe, reliable, and effective linear accelerator that allows you to offer the best possible treatments for your patients. Technology versa hd at mount zion ucsf the elekta versa hd unit is a recent addition of sophisticated linear accelerator technology at ucsf. If your center requires the latest technology available in the market today, or if. Linear accelerator s should have multileaf collimators with at least 40 leaves. New equipment is more often a better solution for many customers. The department of radiation oncology will be getting another new linear accelerator set to arrive in may, which will be operational in the fall of 2015.
As treatment technology and complexity have developed, so has the burden of qa in terms of both time and cost. Site planning construction information elekta medical linear accelerator document id. Neutron activation processes simulation in an elekta. 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 increased confidence in dose placement. Elekta s highfield mrlinac, the only magnetic resonance radiation therapy mrrt system that integrates a diagnostic quality 1. The linear accelerator market however faces various challenges such as limited data availability pertaining to the outcome of the device usage, and linear accelerator device is unsupported by evidence based outcome studies. Elektas versa hd and mosaiq selected as category leaders. St has been committed to providing radiotherapy systems to every corner of the world. During the past 70 years medical linacs have gone through 5 distinct generations. May 11, 2015 an allegiance health radiation therapist explains the linear accelerator, technology that targets a cancerous tumors or the area where a tumor has been surgi. 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. Electron linear accelerators today constitute the core of the equipment of a modern radiation therapy department. Nowadays, the majority of the patients referred to a radiation therapy department are treated with a linear accelerator for at least part of their treatment. Mrilinear accelerator radiotherapy systems request pdf.
It features several builtin safety measures to ensure that it will deliver the dose as prescribed and is routinely checked by a. Tg142 also considers increased precision needed and. As clinics become more collaborative and treatments become more personalized, elekta is using precision radiation medicine to work towards a future. The first of the twin machines figure 1, an elekta synergy with. Linear accelerator pricing guide radiology oncology systems. Oncor linear accelerators equipped with a 160leaf multileaf collimator and a.
The accelerator can be either a travel or standing wave accelerator for all types of linacs. The present study was designed to simulate the head of a linear accelerator elekta synergy platform type. In this study, we have characterized the efficiency of an elekta linac in. Several multiplesource models for electron and photon beams of an elekta precise sl25 linear accelerator were developed by simulating radiation transport through the accelerator by the national research council of canada nrc. The microwave power source can be either magnetron or klystron, and the gantry rotation range should be 360. Take a tour inside a medical linac from electron gun to treatment head. The entire system was put together by thinking through all the different components and. A prolonged, disease free life is what cancer patients hope for. Elekta recommended that customers put the machine in a parked position at 0, and attach the gantry locking straps. Tps commissioning, as specified in the commissioning manual. Neutron activation processes simulation in an elekta medical linear accelerator head. Similar to the elekta linac, the electron energy at the target for the fff beams is different from the corresponding flattened beam.
The elekta unity mrlinac elekta ab, stockholm, sweden, referred as unity in the following for brevity, comprises an achieva 1. Dosimetric performance of the elekta unity mrlinac system. Hallym university kangnam sacred heart hospital seoul, republic of korea will receive elekta s 5,000th linac assembled at its crawley, england facility. Isocentric accuracy of elekta versahd linear accelerators find, read and cite all the research you need on researchgate. Used elekta synergy linear accelerator for sale dotmed. Elekta linear accelerator comparison chart radiology. St today announced that its versa hd linear accelerator and mosaiq oncology information system ois have been selected as category. Elekta unity has been carefully designed to make the treatmentfor patients of all shapes and sizesas comfortable as possible. Simulation of a medical linear accelerator for teaching. Commissioning an elekta versa hd linear accelerator.
Elekta intellibeam 5 comparison between elekta linacs using pinnacle, raystation, and elipse to a versa hd system with monaco. This edition includes expanded sections on the treatment head, on xray production via multileaf and dynamic co. Elekta recommended that customers replace the m20 x 50 mm bolts marked of on the gantry counterbalance frame immediately. The linear accelerator is the radiation therapy treatment machine. Linear accelerators definition of linear accelerators by.
Walters et al, dosxyznrc users manual, nrc report pirs 794 filename. Elekta hits radiotherapy milestone with 5,000th linear. Example of treatment room construction for digital accelerator. Control is by extension to the existing elekta linear accelerator control system software. Linear accelerators linacs are essential to a radiation oncology practice and are used to treat tens of thousands of cancer patients every day. Dec 26, 2010 a linear accelerator produces a beam of either electrons or very high energy xrays. When is purchasing a preowned linear accelerator a good idea. Pdf delivery efficiency of an elekta linac under gated operation. Linear accelerator a medical linear accelerator linac customizes high energy xrays or electrons to conform to a tumors shape and destroy cancer cells while sparing surrounding normal tissue. 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. Desert regionals comprehensive cancer center has just installed a new truebeam linear accelerator. Pdf commissioning and performance evaluation of radcalc. Elekta unity is designed specifically to facilitate igrt.
Versa hd was ranked first in the radiation therapy category and mosaiq was ranked first in the oncologyradiation category. As a global supplier of linear accelerator parts and accessories, osi places a world of inventory at your fingertips. If you dont see your elekta system on the crossover chart provided, call legacy engineering support at 8779885464. A linear accelerator produces a beam of either electrons or very high energy xrays. Elekta synergy platform linear accelerator radiology. An elekta axesse linear accelerator with agility mlc elekta, crawley, uk was used with square mlc fields of nominal widths from 10100 mm. The purpose of this study is to report the dosimetric aspects of commissioning performed on an elekta versa hd linear accelerator linac with high. Aug i 22o5 0 5 510k summary date of preparation of summary. 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 leksell, in order to commercialize the development of the leksell stereotactic system, and gamma knife, which he had been researching since the late 1940s. International and consumer assistance at its toll free number 800 6382041 or. Feb 18, 2015 history in the late 1940s, the idea of using linear accelerator in the medical application become interested. Neutron activation processes simulation in an elekta medical linear accelerator head b. Sep 27, 2017 the elekta mrlinac is the only mrrt system that integrates a highfield 1.
Purpose of study is to evaluate the end to end commissioning accuracy of intensity modulated radiation therapy imrt and volumetric modulated arc therapy vmat for versa hd linear accelerator using aapm tg119 protocol. Ionactive radiation protection safety resource produced by grallator ltd. Pdf simulation of the 6 mv elekta synergy platform linac. Simulation of the 6 mv elekta synergy platform linac photon. The versa is also capable of delivering volumetric modulated arc therapy vmat, which. Use our elekta linear accelerator comparison chart to find the best medical equipment for your facility. The idea behind this integrated device is to offer unrivalled, online and realtime, softtissue visualization of the.
Sample chapter intro page and chapter medical physics. Photon beam commissioning of an elekta synergy linear accelerator. Mar 08, 2019 since the manufacture of its first linear accelerator linac six decades ago, elekta ektab. This document specifies the compliance to the dicom standard formally called the nema ps 3. Treat patients more comfortably with free breathing techniques advanced 4d image guidance for lung and prostate sbrt manage complex motion without implanted markers anatomically correlated 4d image. Medical linacs accelerate electrons using a tunedcavity waveguide, in which the radiofrequency rf power creates a standing wave. Elekta and philips are members of the mrlinac consortium.
1362 49 1256 563 838 1000 119 298 1185 805 126 1423 162 1276 1257 1532 1352 496 485 1081 603 1406 252 1095 485 552 997 525 908 909 28 507 706 625 1490 970 172 923