Apparatus using a x-ray source for radiation therapy port verifi

Details Apparatus using a x-ray source for radiation therapy port verifi Apparatus using a x-ray source for radiation therapy port verifi

1998-10-29

2000-10-17

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378121, H01J 3500

Patent

active

061342955

ABSTRACT:
An apparatus dedicated to taking diagnostic quality images to confirm the accuracy of radiotherapy treatments. The apparatus is sufficiently compact to be used in the existing treatment heads of linear accelerators capable of delivering both electron and x-ray radiation. A compact electron drift tube is made long enough to penetrate the substantial shielding of a linear accelerator, thereby obviating the need to locate the entire generating device within the head of the machine. The diameter of the drift tube of the present invention is made small enough to penetrate the shielding without causing undue leakage of radiation.

REFERENCES:
patent: 5165093 (1992-11-01), Miller et al.
patent: 5471516 (1995-11-01), Nunan
patent: 5737384 (1998-04-01), Fenn

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