Radiation imaging apparatus and radiation imaging system

Patent metadata

Field	Value
Publication number	US-10024980-B2
Application number	US-201514669194-A
Country	US
Kind code	B2
Filing date	Mar 26, 2015
Priority date	Apr 9, 2014
Publication date	Jul 17, 2018
Grant date	Jul 17, 2018

Abstract

A radiation imaging apparatus includes: a radiation detection panel; an electrical component electrically connected to the radiation detection panel; and a housing for housing the radiation detection panel including a top configured to cause the radiation to enter the housing and impinge on the radiation detection panel, and a bottom arranged on a side opposite to the top. An inner surface of the bottom on a side of the radiation detection panel includes a supporting surface configured to support the radiation detection panel. A concave portion defined by a part of an outer surface of the bottom is formed on a side of the bottom opposite to the side of the radiation detection panel i.e. on the outside of the housing. The electrical component is arranged in the concave portion.

First claim

What is claimed is:

1. A radiation imaging apparatus comprising:
a radiation detection panel configured to detect radiation;
an electrical component electrically connected to the radiation detection panel;
a housing configured to house the radiation detection panel, the housing comprising a first portion through which radiation passes to enter the radiation detection panel, and a second portion; and
a cover member, wherein
the radiation detection panel is arranged between the first portion and the second portion,
the second portion has a first surface that is exposed outside the housing, and a flat supporting surface on which the radiation detection panel is supported and which is at an opposite side of the first surface,
the second portion has a concave portion formed therein so that the second portion has uneven thickness, the concave portion being accessible from outside via an opening formed in the first surface, and at least part of the first surface surrounding the concave portion,
the electrical component is arranged in the concave portion, and
the cover member is arranged to cover the concave portion to close the opening.

2. The apparatus according to claim 1 , wherein the second portion has a higher bending rigidity than the first portion.

3. The apparatus according to claim 1 , wherein the second portion has a multilayer structure of a core layer and skin layers sandwiching the core layer.

4. The apparatus according to claim 3 , wherein the skin layer is formed from one of a fiber-reinforced resin, a fiber-reinforced metal, and a metal alloy, and the core layer is formed from one of a foamed resin and a structure having a honeycomb structure and a lattice structure.

5. The apparatus according to claim 1 , wherein the housing further includes a side wall that connects the first portion and the second portion.

6. The apparatus according to claim 5 , wherein the side wall includes a pair of first side walls and a pair of second side walls, the second portion and the pair of first side walls forming a monocoque structure having a rectangular-cylinder shape with a pair of opening portions, and the respective paired second side walls being detachably attached to the respective paired opening portions.

7. The apparatus according to claim 5 , wherein the first portion is detachable from the side wall and the second portion.

8. The apparatus according to claim 5 , wherein the first portion contains a carbon-fiber-reinforced resin, and the side wall and the second portion contain at least one of a fiber-reinforced resin, a fiber-reinforced metal, and a metal alloy and are integrated with each other.

9. The apparatus according to claim 1 , wherein the electrical component includes at least one of a control board configured to read out a detection signal from the radiation detection panel and a rechargeable battery configured to supply power to the radiation detection panel.

10. The apparatus according to claim 1 , wherein the cover member and the electrical component are integrated.

11. The apparatus according to claim 1 , wherein the cover member is formed from a non-conductive material.

12. The apparatus according to claim 1 , wherein the cover member is formed from the same material as a material of the second portion.

13. The apparatus according to claim 1 , wherein a buffer member is positioned between the first portion and the radiation detection panel.

14. A radiation imaging system comprising:
a radiation imaging apparatus defined in claim 1 ;
a signal processing unit configured to process a signal from the radiation imaging apparatus; and
a display unit configured to display the signal from the signal processing unit.

15. The apparatus according to claim 1 , wherein the first surface comprises at least two concave portions, and the at least two concave potions are separated by the exposed portion.

16. The apparatus according to claim 1 , wherein at least part of the first surface overlaps with the radiation detection panel when viewed from a radiation incident direction.

17. The apparatus according to claim 1 , wherein a thickness of the second portion at the concave portion is less than that at another portion so as to support the radiation detection panel as a whole on the supporting surface.

18. The apparatus according to claim 1 , wherein the supporting surface of the second portion directly supports the radiation detection panel.

19. A radiation imaging apparatus comprising:
a radiation detection panel configured to detect radiation;
an electrical component electrically connected to the radiation detection panel;
a housing configured to house the radiation detection panel, the housing comprising a first portion through which radiation passes to enter the radiation detection panel, and a second portion; and
a cover member, wherein
the radiation detection panel is arranged between the first portion and the second portion,
the second portion has a first surface that is exposed outside the housing, and the second portion is integrated with a supporting portion which is at an opposite side of the first surface so as to support the radiation detection panel as a whole on the supporting portion,
the second portion has a concave portion formed therein so that the second portion has uneven thickness, the concave portion being accessible from outside via an opening formed in the first surface, and at least part of the first surface surrounding the concave portion,
the electrical component is arranged in the concave portion, and
the cover member is arranged to cover the concave portion to close the opening.

20. The apparatus according to claim 19 , wherein the supporting portion of the second portion is flat.

Assignees

• Canon Kk

Inventors

• Suzuki Masataka
• Suwa Hidetomo

Classifications

• G03B42/04 Primary

  Holders for X-ray films · CPC title

• G01T1/2018 Primary

  Scintillation-photodiode combinations · CPC title

• G01T1/2006 Primary

  using a combination of a scintillator and photodetector which measures the means radiation intensity · CPC title

• G01T1/2012 Primary

  using stimulable phosphors, e.g. stimulable phosphor sheets · CPC title

• A61B6/4283

  characterised by a detector unit being housed in a cassette · CPC title