X-RAY DIAGNOSTIC APPARATUS
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United States of America Patent
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Issued Date -
Mar 7, 2024
app pub date -
Aug 30, 2023
filing date -
Sep 7, 2022
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Abstract
In one embodiment, an X-ray diagnostic apparatus includes: an X-ray generator; a current measurement circuit; a display; and processing circuitry. The X-ray generator includes: a filament connected to a cathode of an X-ray tube and configured to emit electrons; a target connected to an anode of the X-ray tube and configured to generate X-rays by receiving the electrons; and a grid configured to adjust an electric potential gradient around the filament. The current measurement circuit measures an electric current flowing between an electrode of the grid and a common electrode of the filament. The processing circuitry calculates an index related to a lifetime of the filament on the basis of a measurement value of the electric current, and causes the display to display the index.
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