Tissue irradiation device with at least one electron source...

Details Tissue irradiation device with at least one electron source... Tissue irradiation device with at least one electron source...

2007-06-25

2009-02-03

Ho, Allen C. (Department: 2882)

X-ray or gamma ray systems or devices

Source

Electron tube

C378S064000, C378S065000, C378S119000, C378S121000, C378S124000, C378S196000, C378S197000, C250S492300

Reexamination Certificate

active

07486775

ABSTRACT:
A device for irradiating tissue encompassing at least one electron source for generating an electron beam, numerous radiation heads that are firmly and annularly arranged in a supporting frame around an isocenter of the device and emit radiation towards the isocenter, and one beam guidance system to guide the electron beam in the housing towards the radiation heads. The beam guidance system has been built as a polygon, especially as a pentagon arranged like a ring around the isocenter, in which case media for deflecting the electron beam have been placed at every corner point of the polygon.

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Nils Achterberg and Reinhold G. Müller, “Multibeam tomotherapy: A new treatment unit devised for multileaf collimation, intensity-modulated radiation therapy,” Med. Phys. 34(10), 3926-3942 (2007).

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