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. 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. 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. The entire system was put together by thinking through all the different components and. Elekta versahd patient education introduction youtube. Linear accelerators synonyms, linear accelerators pronunciation, linear accelerators translation, english dictionary definition of linear accelerators. Need a service manual for a elekta synergy linear accelerator. Feb 18, 2015 history in the late 1940s, the idea of using linear accelerator in the medical application become interested.
Used elekta, elekta synergy linear accelerator buy new. The radiation beam can be shaped and directed to match the tumor shape. 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. 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. Two more accelerators will arrive and begin operation in 20162017. New linear accelerator in radiation oncology the loop. 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. Tps commissioning, as specified in the commissioning manual. 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. In this study, we have characterized the efficiency of an elekta linac in. 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.
Technology versa hd at mount zion ucsf the elekta versa hd unit is a recent addition of sophisticated linear accelerator technology at ucsf. 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. Sep 27, 2017 the elekta mrlinac is the only mrrt system that integrates a highfield 1. Oncor linear accelerators equipped with a 160leaf multileaf collimator and a. Show full abstract plans with an elekta infinity linear accelerator and model mlci2 multi. The system is expected to deliver precisely targeted radiation doses while simultaneously capturing the highestquality mr images. It features several builtin safety measures to ensure that it will deliver the dose as prescribed and is routinely checked by a. So far the novel surface imaging system catalyst crad ab, uppsala, sweden in connection with an elekta synergy linear accelerator linac. Mar 08, 2019 since the manufacture of its first linear accelerator linac six decades ago, elekta ektab. 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. The linear accelerator also features the revolutionary imrt intensity modulated radiation therapy, a powerful tool in the fight against. 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. Versa hd is a new class of linear accelerators released by elekta elekta oncology. Medical linear accelerators in radiation therapy haijun song, ph.
Take a tour inside a medical linac from electron gun to treatment head. Elekta unity has been carefully designed to make the treatmentfor patients of all shapes and sizesas comfortable as possible. A linear accelerator produces a beam of either electrons or very high energy xrays. Elektas versa hd and mosaiq selected as category leaders.
Elekta linear accelerator comparison chart radiology. 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. 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. Electron linear accelerators today constitute the core of the equipment of a modern radiation therapy department. Purchasing a preowned linear accelerator system is not recommended for every facility. The simulation includes the major components of the linear accelerator linac with multileaf collimator and a homogeneous water. Elekta intellibeam 5 comparison between elekta linacs using pinnacle, raystation, and elipse to a versa hd system with monaco. Linear accelerator pricing guide radiology oncology systems. Multiplesource models for electron beams of a medical. Tg40 was comprehensive to include tests for co60 units, ct simulators, radiotherapy equipment, etc.
Dec 26, 2010 a linear accelerator produces a beam of either electrons or very high energy xrays. A prolonged, disease free life is what cancer patients hope for. During the past 70 years medical linacs have gone through 5 distinct generations. The machine represents a multimillion dollar investment in. An elekta axesse linear accelerator with agility mlc elekta, crawley, uk was used with square mlc fields of nominal widths from 10100 mm. Elekta assurance new levels of automation and integration for advanced qa. Versa hd was ranked first in the radiation therapy category and mosaiq was ranked first in the oncologyradiation category. Elekta s highfield mrlinac, the only magnetic resonance radiation therapy mrrt system that integrates a diagnostic quality 1. Pdf simulation of the 6 mv elekta synergy platform linac.
Similar to the elekta linac, the electron energy at the target for the fff beams is different from the corresponding flattened beam. Dosimetric performance of the elekta unity mrlinac system. Elekta s flattening filter free fff beam generation technology ensures matching between beams with and without the flattening filter. Pdf grid simulation of an elekta synergy platform linear. In this study, a prostate case and a head and neck case are planned using each delivery. Elekta unity arrives at genesiscare st vincents sydney duration. This document specifies the compliance to the dicom standard formally called the nema ps 3. Pdf photon beam commissioning of an elekta synergy. Control is by extension to the existing elekta linear accelerator control system software. As a global supplier of linear accelerator parts and accessories, osi places a world of inventory at your fingertips. It can deliver flattened photon beams, flattening filter. Hallym university kangnam sacred heart hospital seoul, republic of korea will receive elekta s 5,000th linac assembled at its crawley, england facility. Analysis of physical parameters and determination of inflection point for flattening filter free beams in medical linear accelerator.
Elekta infinity community, manuals and specifications. St has been committed to providing radiotherapy systems to every corner of the world. Isocentric accuracy of elekta versahd linear accelerators find, read and cite all the research you need on researchgate. St today announced that its versa hd linear accelerator and mosaiq oncology information system ois have been selected as category. The purpose of this study is to report the dosimetric aspects of commissioning performed on an elekta versa hd linear accelerator linac with high.
When is purchasing a preowned linear accelerator a good idea. Tg142 also considers increased precision needed and. Digital linear accelerators to suit your clinical needs. Characteristics of gated treatment using an optical surface imaging. Neutron activation processes simulation in an elekta medical linear accelerator head b.
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. Linear accelerators linacs are essential to a radiation oncology practice and are used to treat tens of thousands of cancer patients every day. 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. Elekta linear accelerator linac chillers by legacy. Walters et al, dosxyznrc users manual, nrc report pirs 794 filename. For decades, elekta has been providing a full range of stateoftheart linac solutions to oncology centers around the world. Versa hd is a new class of linear accelerators released by elekta elekta oncology systems, crawley, uk.
As treatment technology and complexity have developed, so has the burden of qa in terms of both time and cost. 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. The versa is also capable of delivering volumetric modulated arc therapy vmat, which. Pdf commissioning and performance evaluation of radcalc. Photon beam commissioning of an elekta synergy linear accelerator. With versa hd, clinicians can be confident that the dose is consistently placed as they planned it. Simulation of a medical linear accelerator for teaching. 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 first of the twin machines figure 1, an elekta synergy with. Grid simulation of an elekta synergy platform linear accelerator. Neutron activation processes simulation in an elekta. Mrilinear accelerator radiotherapy systems request pdf. Powered by intelligent software, unity provides soft.
The accelerator can be either a travel or standing wave accelerator for all types of linacs. The versa hd utilizes the agility 160 leaf multileaf collimating system, which allows for precision shaping of the beam to the treatment area. 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. The elekta unity mrlinac elekta ab, stockholm, sweden, referred as unity in the following for brevity, comprises an achieva 1. Medical linacs accelerate electrons using a tunedcavity waveguide, in which the radiofrequency rf power creates a standing wave. Mar 22, 2017 radiation protection in radiotherapy 5. The linear accelerator is the radiation therapy treatment machine. The aim of this study is to present the results of commissioning of elekta synergy linear accelerator linac. An electron, proton, or heavyion accelerator in which the paths of the particles accelerated are essentially straight lines rather than circles or. If your center requires the latest technology available in the market today, or if. Infinity linear accelerator enhances cancer treatment at texas health presbyterian. International and consumer assistance at its toll free number 800 6382041 or. The idea behind this integrated device is to offer unrivalled, online and realtime, softtissue visualization of the.
Use our elekta linear accelerator comparison chart to find the best medical equipment for your facility. Quality assurance is a vital part of any radiotherapy service. Commissioning an elekta versa hd linear accelerator aapm. Simulation of the 6 mv elekta synergy platform linac photon.
Comprehensive imageguided radiation therapy igrt system with vmat. Used elekta synergy linear accelerator for sale dotmed. Elekta unity is designed specifically to facilitate igrt. Elekta integrates hallmark elekta synergy imageguided workflow in the advanced elekta infinity system, a comprehensive treatment system that includes volumetric modulated arc therapy vmat.
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. 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. 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. Procedure to replace a ruby on the elekta agility 160 leaf head.
The elekta synergy platform also features sophisticated ultraconformal field shaping with a fully integrated mlc, 40x40 cm fieldsize, iviewgt epid, mosaiq information. At any given time, we have tens of thousands of parts availablewith new parts added on a. 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. Versa hd will enable even more conformal treatments that should significantly limit normal tissue exposure and decrease side effects. Versa hd is a new class of linear accelerators released by elekta elekta. Medical linear accelerators mla market size, share and. Refurbished linear accelerators radiology oncology systems.
It is likely that this will remain true for the foreseeable future. Also,shortage of skilled personnel to prescribe appropriate dosage and sessions is observed in the linear accelerator market. Elekta recommended that customers put the machine in a parked position at 0, and attach the gantry locking straps. Site planning construction information elekta medical linear accelerator document id. Linear accelerators for radiation therapy crc press book. 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.
In conclusion, a software tool, named simac, was developed to improve the teaching of linear accelerator physics in. The dose rates can go up to 1400 mumin for 6 mv fff and 2400 mumin for 10 mv fff beams. Linear accelerator s should have multileaf collimators with at least 40 leaves. 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. The field of radiation therapy is constantly changing, and being able to take full advantage of the latest clinical advancements is.
Linear accelerators definition of linear accelerators by. 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. 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. This edition includes expanded sections on the treatment head, on xray production via multileaf and dynamic co. Removal of an olderstyle varian linear accelerator and subsequent installation of an elekta synergy platform linac. First elekta versa hd signature model linearaccelerator. Neutron activation processes simulation in an elekta medical. 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. The scope of this dicom conformance statement is to facilitate data ex change with equipment of elekta limited. Class 2 device recall elekta precise linear accelerator system. Evidencebased clinical introduction of an innovation in radiation oncology connecting researchers, methodology, data collection, quality assurance, and. Ionactive radiation protection safety resource produced by grallator ltd.
Members of the elekta mrlinac consortium present updates on. Elekta synergy platform linear accelerator radiology. Elekta and philips are members of the mrlinac consortium. Elekta hits radiotherapy milestone with 5,000th linear. New equipment is more often a better solution for many customers.
Medical linear accelerators have been in clinical use since the early 1950s. Pdf commissioning an elekta versa hd linear accelerator. 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. Pdf delivery efficiency of an elekta linac under gated operation. The medical linear accelerator linac is a highenergy xray machine used for the treatment of deepseated cancers by using highenergy photons.
Check out our inventory of high quality, cost effective linacs today. A device that accelerates radioactive particles and beams to body regions affected by malignancy, while minimising damage to normal tissue. 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. Aug i 22o5 0 5 510k summary date of preparation of summary. Commissioning an elekta versa hd linear accelerator. 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. Desert regionals comprehensive cancer center has just installed a new truebeam linear accelerator. The present study was designed to simulate the head of a linear accelerator elekta synergy platform type. If you dont see your elekta system on the crossover chart provided, call legacy engineering support at 8779885464. The digital linear accelerator must not be used until these of bolts are replaced. As clinics become more collaborative and treatments become more personalized, elekta is using precision radiation medicine to work towards a future. Neutron activation processes simulation in an elekta medical linear accelerator head.
Schhs timelapse footage of elekta versa hd linear accelerator. The microwave power source can be either magnetron or klystron, and the gantry rotation range should be 360. Elekta synergy was the first advanced digital linear accelerator to introduce soft tissue volumetric image guided radiation therapy. Elektas versa hd and mosaiq selected as category leaders in. Elekta linear accelerator linac chillers legacy has developed oem designs for most of the leading elekta linac systems. Sample chapter intro page and chapter medical physics. Evidencebased clinical introduction of an innovation in radiation oncology connecting researchers, methodology, data collection, quality assurance, and technical development.
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