Essays about: "Gamma Knife"
Showing result 16 - 20 of 24 essays containing the words Gamma Knife.
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16. Development of a test bench for Gamma Knife Optimization
University essay from KTH/Optimeringslära och systemteoriAbstract : The dose distribution in the Gamma Knife (developed and produced by Elekta) is optimized over the weights (or Beam-on time) using different models other than the radiosurgical one used in Leksell Gamma Plan . These are based on DVH, EUD, TCP and NTCP. READ MORE
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17. Multiobjective optimization in radiosurgery : How to approximate and navigate on the Pareto surface
University essay from KTH/Optimeringslära och systemteoriAbstract : Cancer is a common cause of death worldwide and radiotherapy is one of the treatments used. Since treatment planning is a time consuming matter for the radiation therapist, a way to decrease the time spent finding the plan would be an improvement. READ MORE
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18. Robust Optimization for Radiosurgery under the Static Dose Cloud Approximation
University essay from KTH/Optimeringslära och systemteoriAbstract : This report investigates methods of optimization to make treatment plans in radiosurgery robust to spatial uncertainty, and attempts to determine whether they could be used with bene t in a Gamma Knife context. To make the problem mathematically feasible, regions of interest (ROIs) are approximated to move in a pre-computed static dose cloud, which in turn is estimated by methods of linear interpolation and linear approximation. READ MORE
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19. Services Marketing in the Health Care Industry- Elekta in Sweden
University essay from Avdelningen för ekonomiAbstract : During the nineteenth and the twentieth centuries, the world has moved from a manufacturing to service-based economy, where the twentieth first century, will be the” century of services”, and will transform into the century of “international services” (Clark and Rajaratnam, 1999). ... READ MORE
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20. Services Marketing in a Cross-Cultural Environment – The Case of Elekta in Russia
University essay from Avdelningen för ekonomiAbstract : ABSTRACT Title: Services Marketing in a Cross-Cultural Environment – The Case of Elekta in Russia Level: Final assignment for Master Degree in Business Administration Authors: Alena Bazyleva and Maria Zaytseva Supervisor: Dr. Maria Fregidou-Malama Aim: The aim of this research is to investigate how the products and services of the Swedish company Elekta are marketed in Russia, a country with cultural environment different from Sweden. READ MORE
