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Patent Searching and Data


Title:
X線CT装置
Document Type and Number:
Japanese Patent JP4540947
Kind Code:
B2
Abstract:

To provide an X-ray CT apparatus appropriately correcting a CT value of calcification while reducing an artifact in a restructured image.

After a calcium phantom is scanned by a calcium phantom scanning means shown in a step S2 before scanning a subject shown in a step S4, this X-ray CT apparatus starts to prepare a calcium component correction table, after scanning the subject in the step S4, calibrates the calcium by a calcium calibrating means in a step S6, and corrects the CT value of the internal calcium component using the calcium component correction table.

COPYRIGHT: (C)2005,JPO&NCIPI


Inventors:
Tetsuo Nakazawa
Hiroto Kokubun
Hiromitsu Hayashi
Application Number:
JP2003205641A
Publication Date:
September 08, 2010
Filing Date:
August 04, 2003
Export Citation:
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Assignee:
Hitachi Medical Co., Ltd.
International Classes:
A61B6/03
Domestic Patent References:
JP4144551A
JP4015048A
JP2001286464A
JP2002186611A
Attorney, Agent or Firm:
Yoshihiro Takasaki