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Title:
X-RAY CT DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/154167
Kind Code:
A1
Abstract:
Provided is an x-ray CT scan device enabling improved analysis accuracy when differential images are used. The x-ray CT device has a table movement unit, a revolving movement unit, a data collection unit, and a control unit. The table movement unit causes a table to move with a reciprocating motion the direction from a predetermined start point to a predetermined end point and in the direction from the end point to the start point. The revolving movement unit causes an x-ray emission unit for irradiating a subject with x-rays to revolve. The data collection unit detects x-rays that have passed through the subject and collects projection data. During x-ray scanning, the control unit controls at least the table movement unit so that the table moves with a reciprocating motion between the start point and the end point one time while causing the x-ray emission unit to revolve, and so that when collecting the projection data, the time required for the table to move with a reciprocating motion one time is an integer multiple of the revolution period when the x-ray emission unit is caused to revolve.

Inventors:
NAKANISHI SATORU (JP)
SUZUKI TATSURO (JP)
Application Number:
PCT/JP2013/060973
Publication Date:
October 17, 2013
Filing Date:
April 11, 2013
Export Citation:
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Assignee:
TOSHIBA KK (JP)
TOSHIBA MEDICAL SYS CORP (JP)
International Classes:
A61B6/03
Foreign References:
JPH05309089A1993-11-22
JP2011062445A2011-03-31
JP2009089760A2009-04-30
JP2008119381A2008-05-29
JPH06125889A1994-05-10
JPH0678916A1994-03-22
Attorney, Agent or Firm:
MISAWA PATENT OFFICE, p. c. (JP)
Patent business corporation Misawa patent firm (JP)
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