نتایج جستجو برای: medical accelerator
تعداد نتایج: 610356 فیلتر نتایج به سال:
PERSONNEL HAZARDS FROM MEDICAL ELECTRON ACCELERATOR PHOTONEUTRONS" R. C. McCall, T. M. Jenkins, R. A. Shore and P. D. LaRiviere+ Stanford Linear Accelerator Center, CA, U.S.A. and Varian Associates? INTRODUCTION For medical accelerators, neutron penetration through the room entry door is the major personnel hazard. Most therapy accelerator rooms are designed with at least a rudimentary maze to ...
The majority of medical accelerators for radiation therapy use frequencies in the S-band range. Having a compact accelerator allows for a wide range of treatments. The size and weight of the accelerator are substantially reduced if a higher frequency is used. X-band frequencies are suitable for such applications. X-band accelerator technology has been used in high-energy, as well as, industrial...
The concept of a compact ion particle accelerator has become attractive in view of recent progress in laserdriven ion acceleration. We report here the recent progress in the laser-driven proton beam transport at the Photo Medical Research Center (PMRC) at JAEA, which is established to address the challenge of laser-driven ion accelerator development for ion beam cancer therapy.
Technological inventions and developments have created new possibilities and breakthroughs in medical era. The classic example is the discovery of X-rays by W.C. Roentgen, one hundred years ago. The first dawning rays appeared quite literally just before the beginning of the 20th century. In 1895 a German physicist named Wilhelm Conrad Roentgen accidentally discovered a form of radiation that c...
Most radiation therapy machines are based on microwave linear accelerators. The majority of medical accelerators use frequencies in the S-band range. Having a compact accelerator allows for a wide range of treatments. The size and weight of the accelerator is substantially reduced if a higher frequency is used. X-band frequencies are suitable for such applications. The X-band accelerator techno...
With the development of science and technology in the medical field and need more than ever to accuracy and quality of treatment has been causer increase different radiotherapy methods. Almost the past two decade’s intraoperative radiation therapy (IORT) as one of the new techniques used to treat cancer patients. One of the problems with this method is obtaining accurate dosimetry, becaus...
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