Title:
RADIOTHERAPY DEVICE AND RADIOTHERAPY METHOD
Document Type and Number:
WIPO Patent Application WO/2020/012785
Kind Code:
A1
Abstract:
This radiotherapy device comprises: an X-ray irradiation device (22) and an X-ray camera (20) for detecting the position of a specific landmark present in an irradiation target; a storage unit (34) which, with one from among a plurality of time-lapse three-dimensional CT images including the landmark and obtained beforehand during treatment planning used as a reference image, stores the relationship between the displacement of the landmark position from that in the reference image to that in another three-dimensional CT image and the deformation of each of the sites in the other CT image, obtained by analysis thereof; and an image processing unit (30), a deformation amount evaluation unit (32), and a display unit (36), that estimate the deformation of each of the sites and reproduce the estimated three-dimensional CT image, according to the position of the landmark detected and the relationship stored by the storage means.
Inventors:
MIYAMOTO NAOKI (JP)
UMEGAKI KIKUO (JP)
SHIMIZU SHINICHI (JP)
TOMIOKA SATOSHI (JP)
TAKAO SEISHIN (JP)
UMEGAKI KIKUO (JP)
SHIMIZU SHINICHI (JP)
TOMIOKA SATOSHI (JP)
TAKAO SEISHIN (JP)
Application Number:
PCT/JP2019/020395
Publication Date:
January 16, 2020
Filing Date:
May 23, 2019
Export Citation:
Assignee:
UNIV HOKKAIDO NAT UNIV CORP (JP)
International Classes:
A61N5/10; A61B6/03
Foreign References:
| US20160143576A1 | 2016-05-26 | |||
| US20140241497A1 | 2014-08-28 | |||
| JP2016536035A | 2016-11-24 | |||
| JP2015535434A | 2015-12-14 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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