Varian halcyon mlc specifications. Leaf transmission measured through both banks is 0.
Varian halcyon mlc specifications The head leakage specification is 0. Varian Medical Systems Varian Medical Systems Varian Medical Systems Marietta, GA Finland Oy Chennai Branch, India (RUS) LLC Ibérica S. L. 28 cm (Varian specification 1. 5 cm (40) Varian Millennium Varian Millennium 1 cm Varian Standard 1 cm Varian Standard 1 cm 1 cm (27) 6. Visit Varian’s Medical Affairs website and click on “Halcyon Case Studies” to see these Halcyon treatment plans. Halcyon TM has no beam shaping jaws, with the MLC being the only beam shaping Halcyon unit has a ring-mounted 6 MV-FFF linear accelerator with a beam-stopper. With Halcyon, there is the potential to achieve less dosage to organs at Feb 20, 2020 · Halcyon Linac 2. • Field size 28X28. In May 2017, Varian (Varian Medical Systems, Inc. 1% transmission of 6 MV. 5 cm (2) Siemens Elekta 1 cm MLC Size For upper or lower jaw replacement MLC, transmission requirements are the same as for standard collimators For tertiary MLC, transmission requirements competitions, Varian dosimetrists worked to determine the best quality plans that would be achievable using this platform. Dosimetric characteristics of the dual layer multileaf collimator system … Aug 13, 2017 · The Halcyon MLC has a "stacked and staggered" design with 100 percent interdigitation, which enables the system to offer sophisticated beam shaping for conforming the dose to the desired treatment targets, and an unprecedented 0. 44. 0 • Rapid gantry rotation (4 rpm) • Large bore size –1m diameter • Both kV and MV imaging capability • Single 6FFF beam • No couch rotation • Double-Stack MLC (both distal and proximal layer modulate the beam, 0. Vault shielding evaluation and associated considerations were carried out as per the national regulatory body and also with reference to NCRP Report No. 01 percent interleaf leakage. HalcyonTM has a dual‐layer MLC system in contrast to other single‐layer Varian MLC systems (such as the MillenniumTM Halcyon TM has a dual‐layer MLC system in contrast to other single‐layer Varian MLC systems (such as the Millennium TM 120‐leaf MLC and High Definition 120‐leaf MLC). Halcyon TM has no beam shaping jaws, with the MLC being the only beam shaping Apr 8, 2025 · Understanding Linear Accelerator Specifications and Key Features These specifications and features differentiate Varian linear accelerator models and impact their clinical capabilities: Photon Energy Configuration – Available energy levels for treatment, with configurations typically including 6MV and higher energies suitable for different Halcyon’s Dual-Layer MLC 5569719917001 Halcyon’s Dual-Layer MLC simple-link Halcyon’s Dual-Layer MLC Halcyon Capabilities 5795516080001 Halcyon Capabilities simple-link Halcyon Capabilities Halcyon Sample Breast Workflow Video 5427572939001 Halcyon Sample Breast Workflow Video simple-link Halcyon Sample Breast Workflow Video Halcyon’s Dual-Layer MLC 5569719917001 Halcyon’s Dual-Layer MLC simple-link Halcyon’s Dual-Layer MLC Halcyon Capabilities 5795516080001 Halcyon Capabilities simple-link Halcyon Capabilities Halcyon Sample Breast Workflow Video 5427572939001 Halcyon Sample Breast Workflow Video simple-link Halcyon Sample Breast Workflow Video Varian Medical Systems Varian Medical Systems International India Pvt. 1367 Helsinki, Finland Tel: 91. Halcyon’s Dual-Layer MLC 5569719917001 Halcyon’s Dual-Layer MLC simple-link Halcyon’s Dual-Layer MLC Halcyon Capabilities 5795516080001 Halcyon Capabilities simple-link Halcyon Capabilities Halcyon Sample Breast Workflow Video 5427572939001 Halcyon Sample Breast Workflow Video simple-link Halcyon Sample Breast Workflow Video Mar 19, 2019 · Halcyon TM has a dual-layer MLC system in contrast to other single-layer Varian MLC systems (such as the Millennium TM 120-leaf MLC and High Definition 120-leaf MLC). 71%. Maximum depth dose for a 10x10cm 2 field size at SSD = 100 cm is 1. Leaf transmission measured through both banks is 0. Halcyon treatment plans consistently scored in the top 10% in terms of plan quality. The extended field capability accuracy of 0. 151 Halcyon system Varian’s advanced dual-layer MLC for Halcyon brings low leakage and transmission of 0. 37 mm at the MLC position for the Elekta geometry, while a 0. Seine Fähigkeiten bei der Bereitstellung einer qualitativ hochwertigen Strahlentherapie ermöglichen es Kliniken, Patienten mit konventionellen und fortschrittlichen Bestrahlungsverfahren zu behandeln, die alle daraufhin optimiert sind, die verordnete Dosis präzise und genau zu erzeugen. This design offers fast beam modulation and substantially reduces leakage between MLC leaves. 3 cm ± 0. A disadvantage of mounting the leaves nearer to the x-ray target (or using thinner leaves as is done for micro-MLC systems and 0. Beam quality index (PDD(10) with SSD = 100 cm) is 63. 955. 2 Dosimetric comparison studies of IMRT and VMAT plans created for various clinical sites using both the TrueBeam and Halcyon MLCs have been performed more recently Varian Millennium 1 cm 1 cm (20) 0. 5 cm effective leaf width). Tel: 770. 03% and 0. 2). 01%, overtravel distance of 28 cm, full interdigitation, leaf speed of 5 cm/s, and 5 mm field shaping resolution. 1% and the beam stopper is specified for 0. For every field The Halcyon system is equipped with features such as multileaf collimators, image-guided radiotherapy (IGRT), intensity-modulated radiotherapy (IMRT), and RapidArc radiotherapy, all offering . China Co. 5% (Varian specification 63% ± 1). Prior studies have been performed to characterize MLC systems 3,4 as well as the impact of different leaf widths, 5,6 miniature MLC systems, 7 and the TrueBeam Millenium MLC system. 54 mm accuracy is needed for the Varian placement of the collimator. 5000 Moscow, Russia Alcobendas (Madrid), Spain Beijing, China Das Halcyon System ist auf die Bedürfnisse Ihrer Klinik ausgerichtet. Ltd. , Palo Alto, CA, USA) released HalcyonTM, a new external beam accelerator platform designed with the intent to enhance the workflow efficiency in radiotherapy. 005%. 5 cm systems) brings the between-leaf leakage regions closer The Halcyon is Varian's latest linear accelerator that offers a single 6X flattening-filter-free beam with a jawless design that features a new dual layer multileaf collimator system with faster speed and reduced transmission. 4900. Dec 1, 2018 · Mean and maximum variations for FOC measurements were −0. clohwyzajdmallqffnjcibyqwbacncljwiaapnwwyzriiddsqmphjqgu