RESEARCH FIELDEngineering › Control engineeringMathematics › Applied mathematicsOther
RESEARCHER PROFILEFirst Stage Researcher (R1)
APPLICATION DEADLINE29/05/2019 21:00 - Europe/Brussels
LOCATIONFrance › Brest
TYPE OF CONTRACTTemporary
HOURS PER WEEK35
OFFER STARTING DATE01/10/2019
Thesis location: Laboratory of Medical Information Processing (LaTIM), French Institute of Health and Medical Research (INSERM UMR1101), Brest, France.
Period: 3 years, starting on October 2019.
Context and objectives:
In medical robotics, some robots are used to help and control with accuracy the placement of radioactive sources. For example, in external beam radiotherapy, a robotic linear accelerator is routinely used to treat cancer using a beam of particles. Another example is the robotic interventional imaging system used to guide with X-ray images a complex surgical procedure (orthopedics, vascular, etc.).
These systems have the same issue, the trajectories used to move the radioactive sources are not optimal. Indeed, the trajectory is not really optimized, since only the final source positions are considered in order to optimize the irradiation dose delivered to the patient. Today planning systems in medical robotics with radiation sources never combine the trajectory and the dosimetry in the optimization loop. This limit the development of new strategies and protocols, such as moving the sources with a complex trajectory during the irradiation in order to decrease the radiation exposure to patient’ organs at risks or to the clinicians that are close to the imaging system.
The objective of this project is to propose methodological solutions to optimize conjointly the trajectory and the dosimetry of medical robots using radiation sources. The first objective of this thesis will consist of proposing theoretical methods that can be applied to any system. The evaluation will be done numerically by simulation and experimentally using real systems accessible by our team. Our laboratory owns with the University Hospital of Brest an external beam radiotherapy system (VARIAN TrueBeamTMSTx) with research mode capability. We are also developing a co-manipulated system for prostate cancer, and we have access as well to an interventional imaging system used for vascular surgery.
REQUIRED EDUCATION LEVELOther: Master Degree or equivalent
Education: The candidate must have a Master's degree in control engineering, robotics or applied mathematics.
Scientific interests: Robotics, path planning, optimization, and medical applications.
Programming skills: One of this language: matlab / python / C++
Languages: Oral: English or French; Reading/Writing: English (French is optional)
EURAXESS offer ID: 403348
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