Title:
DENTAL ORAL RADIOGRAPHY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/026065
Kind Code:
A1
Abstract:
[Problem] To provide a dental oral X-ray photography device that obtains three-dimensional X-ray image.
[Solution] At the time of photographing with a use of an X-ray device, a retention substrate which is retained by occlusion is provided. A light receiver holding portion that is disposed on an end portion of a part of the retention substrate which is inserted in an oral cavity and that holds an X-ray receiving portion is provided. A second guide portion which is disposed at a position opposed to the light receiver holding portion with the retention substrate sandwiched therebetween, and is used to position a second X-ray device including a first X-ray source and a second X-ray source so that the first X-ray source is disposed at a first position separated by a second distance from a reference line and separated by a first distance from an image taking surface when viewed from above the retention substrate, and the second X-ray source is disposed at a second position which is line symmetric to the first position with the reference line set as an axis of symmetry. A first guide portion and the second guide portion are held by the retention substrate in a state of being replaceable by attaching or detaching from the retention substrate.
Inventors:
TANAKA HIROYUKI (JP)
Application Number:
PCT/JP2011/004109
Publication Date:
March 01, 2012
Filing Date:
July 21, 2011
Export Citation:
Assignee:
NIX CO LTD (JP)
TANAKA HIROYUKI (JP)
TANAKA HIROYUKI (JP)
International Classes:
A61B6/14
Foreign References:
| JP2006042852A | 2006-02-16 | |||
| JPH01201238A | 1989-08-14 | |||
| JP2002306471A | 2002-10-22 | |||
| JP2005304866A | 2005-11-04 | |||
| JPS60109607U | 1985-07-25 |
Attorney, Agent or Firm:
NONAKA, TAKESHI (JP)
Takeshi Nonaka (JP)
Takeshi Nonaka (JP)
Download PDF:
Claims: