This webinar is a continuation of our knowledge sharing sessions for the 2017 H&N Nasopharynx plan competition.Mr. Jonathan Stenbeck, one of the top Eclipse

We also evaluated the calculation accuracy of the Eclipse TPS. For the RANDO phantom, the TPS calculation showed good agreement with the IVD-measured dose within 5%. For patients, the AAA calculation showed agreement within 10%. The OCR calculated with the TPS showed fluctuating curves. The PDD also showed slight difference in the photon energy.

My team and I commissioned the accelerators and Varian Eclipse TPS for general external beam treatment including stereotactic delivery (SRS and SBRT), prone breast, DIBH, and gated treatment deliveries. 2018-11-13 · The dosimetric leaf gap (DLG) and multileaf collimator (MLC) transmission are two important systematic parameters used to model the rounded MLC leaf ends effect when commissioning an Eclipse treatment planning system (TPS). Determining the optimal DLG is a time consuming process. This study develops a simple and reliable method for determining the The Halcyon™ platform is self-contained, combining a treatment planning (Eclipse) system TPS) with information management and radiation delivery components. The standard TPS beam model is configured and locked down by the vendor. A portal dosimetry-based system for patient-specific QA (PSQA) is also included.

2. MATERIALS AND METHODS The commissioning of the PBC algorithm of the Eclipse TPS was performed in two stages.

The MW data for our new telecobalt Equinox-80 was successfully commissioned in Eclipse TPS. The MW provides the capability of modifying the isodose characteristics of the radiation beam to match UW and can safely be used for clinical applications.

Because the OCR calculated using the Eclipse TPS showed the fluctuated profile, the values were normalized by the mean value in the range ± 10 cm. In the range ± 80 cm from the central axis, the differences between the measurements and TPS at measured points were within 1% and 1.8% for AAA and AXB, respectively.

Commissioning a Proton Therapy Machine and TPS Sung Yong Park, Ph.D. McLaren Proton Therapy Center McLaren Cancer Institute McLaren - Flint 2012 GLC Fall Meeting, 2012.11.09

Figure 1: Workflow of TPS dose algorithm commissioning, validation and routine QA. The numbers refer to sections of this report.

Ray Search Laboratories, RayStation : Scattering mode/ Scanning mode (under development) 4. Home made TPS for eye treatment 5. Etc.. Proton Treatment Planning Systems The AAPM recommendations 15, 16 and vendor protocols were closely followed to complete commissioning tasks for modeling Elekta VersaHD LINACs using Varian Eclipse TPS. All Eclipse mandatory data for commissioning were methodically measured, including PDDs, beam inline, crossline and diagonal profiles, beam open and wedged field output factors, MLC leaf transmission, and dosimetric leaf gap values. The Eclipse treatment planning system (Varian Medical Systems) was used for the simulation of the treatment. Conclusion: The AAA commissioning process within the Eclipse TPS is surprisingly robust to user error.
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measured BCM profiles Lu, et al 2007. PTCOG48 Educational Workshop, 2009 20 Effect of IC cyclo calibration on SOBP Methods: We introduced commissioning errors into the commissioning process for the Anisotropic Analytical Algorithm (AAA) within the Eclipse Treatment Planning System (TPS).

The commissioning of the Treatment Planning System (TPS) is an important part of the commissioning of a new linear accelerator (linac). In this work, we evaluated the performance of the Pencil Beam Convolution (PBC) algorithm configured for the new Varian Clinac iX (S/N 5052) at the University Clinic of Radiotherapy and Oncology in Skopje. Chang et al.
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The measured beam data is imported and calculated in the Eclipse TPS and is found within 1% gamma agreement index (GAI) with the Analytical Anisotropic

Extra : The above commissioning packages require full access to the treatment unit and at least one treatment planning workstation. The commissioning of the Treatment Planning System (TPS) is an important part of the commissioning of a new linear accelerator (linac).