Miniature x-ray tube with voltage selective electrodes
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United States of America Patent
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Aug 14, 2001
Grant Date -
N/A
app pub date -
Apr 24, 2000
filing date -
Mar 31, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and a system for x-ray treatment of, for example, cancer or restenosis prevention inside a living body is disclosed. A miniature x-ray tube (1) is provided with at least one pair of electrodes (6, 8), the electrodes alternatingly serving as anode and cathode, respectively. A power supply (13) is connected to the electrodes, and a switching unit of the power supply alternates the electrical potential across the electrodes. With the x-ray tube according to the invention the temperature increase at the site of treatment is limited, thereby providing an effective treatment without unduly prolonged treatment duration.
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