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Title:
SURGICAL NAVIGATION SYSTEM, SURGICAL NAVIGATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/057175
Kind Code:
A1
Abstract:
In the present invention, multiple combinations of viewpoints with respect to a three-dimensional tooth model of a patient and projection images of the head including the teeth from the viewpoints are clustered and stored in SSD as clustering information. During surgery, a comparison image is created from an image captured by a monocular camera, and the clustering information is searched sequentially from the first hierarchy to the final hierarchy to find viewpoints of which the projection images are similar to the comparison image (S210, S220). Afterwards, a representative viewpoint is set on the basis of the viewpoint found from the final hierarchy, the position and the orientation of the teeth of the patient with respect to the monocular camera are reproduced as the position and the orientation of the teeth of the three-dimensional model with respect to the representative viewpoint, and a navigation image is created on the basis of the position and the orientation of surgical information with respect to the reproduced teeth and is outputted (S230 to S260).

Inventors:
WANG, Junchen (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)
SUENAGA, Hideyuki (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)
SAKUMA, Ichiro (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)
KOBAYASHI, Etsuko (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)
HOSHI, Kazuto (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)
Application Number:
JP2016/077979
Publication Date:
April 06, 2017
Filing Date:
September 23, 2016
Export Citation:
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Assignee:
THE UNIVERSITY OF TOKYO (3-1 Hongo 7-chome, Bunkyo-ku Tokyo, 54, 〒1138654, JP)
International Classes:
A61B34/20; A61C19/04
Domestic Patent References:
WO2009116663A12009-09-24
Foreign References:
JP2004062671A2004-02-26
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (Gotanda Daiichiseimei Bldg, 19-3 Nishigotanda 2-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)
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