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Bone analyzing device

An analysis device and texture analysis technology, applied in health index calculation, medical informatics, diagnosis, etc.

Inactive Publication Date: 2017-09-26
SHIMADZU SEISAKUSHO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If based on this idea, bones with consistent construction parameters still have the same fracture risk

Method used

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  • Bone analyzing device
  • Bone analyzing device
  • Bone analyzing device

Examples

Experimental program
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Effect test

Embodiment 1

[0056] figure 1 It is a functional block diagram illustrating the configuration of the bone analysis device according to the first embodiment. Such as figure 1 As shown, the bone analysis device 1 according to Embodiment 1 includes: a top plate 2 for placing the subject M as an object of X-ray tomography; The subject M on one side of the top plate 2) is irradiated with a cone-shaped X-ray beam; a synchronous movement mechanism 7, which makes the X-ray tube 3 and the FPD 4 face opposite directions to each other across the attention site of the subject M in a state where the central axis of the conical X-ray beam is always consistent with the central point of the FPD 4 The synchronous movement is carried out; the synchronous movement control unit 8 controls the synchronous movement mechanism 7; and the X-ray grid 5 is arranged to cover the X-ray detection surface of the FPD 4 for detecting X-rays for absorbing scattered X-rays. In this way, the top plate 2 is arranged at a ...

Embodiment 2

[0140] Next, the bone analysis device according to Example 2 will be described. Such as Figure 16 As shown, the configuration of Embodiment 2 is such that the X-ray tube 3 and the FPD 4 can capture tomographic images while moving along the body axis direction A of the subject M while maintaining the mutual positional relationship. That is, the synchronous movement mechanism 7 operates to move the FPD 4 toward the one end side of the top plate 2 in the longitudinal direction in synchronization with the movement of the X-ray tube 3 toward the one end side of the top plate 2 in the longitudinal direction.

[0141] The structure of the X-ray imaging device involved in embodiment 2 and figure 1 The functional block diagrams are the same. about figure 1 The difference between the structure of embodiment 2 and the structure of embodiment 1 is that FPD 4 follows X-ray tube 3 and moves (refer to Figure 16 ), the X-ray tube 3 does not tilt. Therefore, in embodiment 2, figure ...

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Abstract

Provided is a bone analyzing device that can calculate a more reliable bone fracture risk evaluation value. In the present invention, bone density is considered to partially explain bone fracture risk. In other words, in the present invention, bone density and structural parameters are considered to be important in order to understand bone fracture risk but those alone are insufficient to accurately evaluate bone fracture risk. According to the present invention, bone fracture risk is comprehensively evaluated on the basis of not only bone density but also a structural parameter that evaluates the structure of trabecular bone. Due to this configuration, bone fracture risk can be evaluated while also taking into consideration the structure of trabecular bone and therefore bone fracture risk can be more accurately evaluated.

Description

technical field [0001] The present invention relates to a bone analysis device for calculating a fracture risk assessment value representing the strength of a bone, and more particularly to a bone analysis device for calculating a fracture risk assessment value based on bone density. Background technique [0002] Osteoporosis is a disease in which bones become weak. When osteoporosis worsens, the risk of fractures increases. In order to prevent fractures caused by such osteoporosis, it is effective to routinely diagnose how fragile the bones are and to take countermeasures in advance based on the diagnosis results (for example, refer to Patent Document 1). [0003] There is fracture risk as an indicator of how fragile the bones are. The fracture risk is an index showing the degree of susceptibility to fracture, and can also be understood as an index showing the degree of the bone's ability to withstand physical stress. How to accurately calculate this fracture risk to pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/00A61B6/02
CPCA61B6/025A61B6/505A61B6/5205A61B6/5217G16H50/30A61B6/461A61B6/54
Inventor 山本淳也
Owner SHIMADZU SEISAKUSHO CO LTD