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Tomography device

A technology of tomography and mounting table, which is applied in measuring devices, computerized tomography scanners, diagnosis, etc., can solve problems such as time-consuming and difficult alignment, and achieve good position accuracy, high-efficiency shooting, and easy repeatability Effect

Inactive Publication Date: 2016-03-02
SHIMADZU SEISAKUSHO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in the operation of inserting the subject into the opening of the gantry, it is necessary to raise the top plate in the vertical direction, then move the top plate horizontally, and then transfer the top plate into the opening of the gantry. Therefore, it is difficult to perform alignment, and it will take a lot of time in the alignment process

Method used

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Examples

Experimental program
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Embodiment 1

[0052] Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings. In addition, as the tomographic imaging device of the present invention, a PET device for the head will be described as an example. figure 1 It is a side view showing the schematic structure of the PET device for the head of Example 1 in partial section, figure 2 Is its main view. In addition, image 3 Is a diagram showing the chair movement mechanism, Figure 4 It is a block diagram showing the control system of the PET device for the head.

[0053] Reference figure 1 as well as figure 2 . The PET apparatus 1 for the head of the present embodiment includes a scanning frame 3, a chair 5 on which the subject M sits, and a chair moving mechanism 7 that moves the chair 5 to the imaging position. In addition, the PET device 1 for the head corresponds to the tomographic imaging device in the present invention, and the chair moving mechanism 7 corresponds to the imaging posi...

Embodiment 2

[0071] Next, Example 2 of the present invention will be described. Picture 9 It is a side view showing the schematic structure of the PET device for the head of Example 2 in partial section. Picture 10 From Picture 9 The direction of the symbol V indicates the structure of the gantry moving mechanism. In addition, the description of the structure overlapping with the foregoing embodiments is omitted.

[0072] Reference Picture 9 . The PET device 1A for the head of the second embodiment further has a gantry moving mechanism 41 on the basis of the structure of the first embodiment. The gantry moving mechanism 41 drives the gantry 3 to transfer the subject M to the gantry 3 The central axis 9a of the opening 9 is inserted into the opening 9 of the gantry 3 in a parallel manner. The gantry 3 is supported on a pair of support columns 11 via a gantry moving mechanism 41. Such as Picture 10 As shown, the gantry moving mechanism 41 has a supporting table 43 fixed on a pair of supp...

Embodiment 3

[0077] Next, Example 3 of the present invention will be described. Picture 11 It is a side view showing the schematic structure of the PET device for the head of Example 3 in partial section. In addition, Picture 12 It is a diagram showing the structure of a chair angle changing mechanism. In addition, the description of the structure overlapping with the foregoing embodiments is omitted.

[0078] Reference Picture 11 as well as Picture 12 . In addition to the above-described embodiments, the head PET device 1B further includes a chair angle changing mechanism 57 for changing the angle between the backrest portion 5b of the chair 5 and the seat portion 5c. Such as Picture 12 As shown, the backrest portion 5b and the seat portion 5c of the chair 5 are connected so as to be rotatable about the support shaft 59. Specifically, the support shaft 59 is fixed to the backrest portion 5b, and the seat portion 5c is connected to the backrest portion 5b so as to be rotatable about th...

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PUM

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Abstract

The present invention provides a tomographic imaging device, which comprises: a scanning frame (3), which is tilted so that the central axis (9a) of the opening (9) is tilted in such a way that the opening (9) faces obliquely downward; a chair (5), It is arranged obliquely below the scanning frame (3), and the surface for obliquely placing the object (M) is inclined so that the central axis (9a) of the opening (9) is aligned with the object (M) The body axis (A) is parallel; the chair moving mechanism (7) drives at least one of the scanning frame (3) and the chair (5), and moves the subject (M) to the opening (9) The central axis (9a) is inserted into the opening (9) so as to be parallel. Therefore, the subject (M) can be imaged safely and efficiently with a comfortable posture.

Description

Technical field [0001] The present invention relates to a tomographic imaging device that inserts a subject into an opening of a gantry and takes a tomographic image. Background technique [0002] Such as Figure 19 As shown, the conventional tomography apparatus 201 has: a scanning frame 203 having a cylindrical opening 202 for inserting a subject M, and the central axis 202a of the opening 202 is arranged in a horizontal direction; a bed device 205 , Which has a top plate 204 in which the subject M is placed in a supine position; a top plate moving mechanism 207 that moves the top plate 204 in the vertical and horizontal directions. As the tomography apparatus 201 having such a structure, for example, a PET (Positron Emission Tomography) apparatus is cited. [0003] The PET device has a multi-layer detector ring 213 on the outer circumference of the opening 202 of the gantry 203. The multi-layer detector ring 213 is formed by arranging a multi-layer detector ring, and the detecto...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/03A61B6/04G01T1/161
CPCA61B6/037A61B6/04A61B6/0478A61B6/4482A61B6/501A61B6/0407A61B6/0487A61B6/4447A61G2210/50
Inventor 天野昌治
Owner SHIMADZU SEISAKUSHO CO LTD
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