| 摘要 |
Apparatus for the production of electron beams and of X-ray beams for interstitial and intra-operatory radiation therapy, characterized in that it comprises:-as a pulsed source of electrons, a head (2) of the Plasma Focus kind, with a vacuum chamber (4) provided with a pair of cylindrical, coaxial electrodes (6, 8) to generate an electrical discharge, and with means to introduce at least one reaction gas into the chamber (4)-an electrical circuitry feeding said source head, comprising a capacitor bank (12) with fast switches (14) and conductors (16, 21) connecting to the electrodes (6, 8) of said vacuum chamber (4), and-an electron guide (22), coaxial to said electrodes, departing from said source head to right near the irradiation site-an armored gantry (26, 28) with high voltage cables and means for the suspension and movement of the head (2).
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