Calibration model

A technology of model and model plate, applied in the fields of applications, instruments for radiological diagnosis, medical science, etc., can solve problems such as labor or time

Active Publication Date: 2017-04-26
HITACHI HEALTHCARE MFG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Regarding this point, in the above-mentioned U.S. Patent No. 6, 315, and 447 specifications, a model simulating a plurality of body fat percentages can be formed by combining various layers, but since a model with a different body fat percentage is formed each time, it is necessary to carry out There is a problem that it takes labor and time to overlap each layer layer by layer

Method used

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Embodiment Construction

[0033] Before describing the calibration phantom of the present invention, a biological component measurement device using the calibration phantom will be described.

[0034] figure 1 An external perspective view of the biological component measuring device 10 is shown. The biological component measurement device 10 is used for medical purposes, etc., and measures the bone mineral mass (bone density) or body fat percentage of a test site by irradiating a subject with X-rays.

[0035]The biological component measurement device 10 is a mobile type that can be freely moved by scroll wheels, and is used together with an imaging table (bookie table) (not shown) on which a subject is placed. The biological component measurement device 10 is substantially U-shaped in side view, and has a base 12 elongated in the horizontal direction, an arm 14 elongated in the same horizontal direction above the base 12, and One end portion of the base portion 12 extends upward to cantileverly supp...

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Abstract

The present invention provides a calibration model. The fat model (50) comprises a plurality of fat materials (52) that simulate 100% fat. The thickness of each fat material (52) is different, and these are arranged in a stepped shape. The muscle model (70) includes a plurality of muscle materials (72) that simulate 100% muscle, having the same structure as the fat model (50). The two models can be used for correcting a plurality of body thicknesses in a correction test by using them in a parallel arrangement state. The two models can obtain a plurality of body thicknesses correction measurement values in once correction measurement by using them in a parallel arrangement state. In addition, by combining the step-shaped parts of the two models, the state of combining the two models can be easily achieved. The two models can obtain a plurality of body fat rate correction measurement values in once correction measurement by using them in a combined state.

Description

technical field [0001] The present invention relates to a calibration phantom, and more particularly to a calibration phantom for correcting measurement errors of a biological component measurement device. Background technique [0002] Conventionally, a biological component measurement device that measures the biological component of a subject is used. As the biological component measuring device, there are, for example, a bone mineral mass measuring device, a body fat percentage measuring device, etc., and these measure the subject's biological components such as bone mineral mass and body fat percentage. In the biological component measuring device, X-rays irradiated to a subject and attenuated by passing through the subject are detected. Based on the detected X-rays, bone mineral mass and body fat percentage are measured. [0003] The biological component measurement device has an X-ray tube, and X-rays are irradiated from the X-ray tube by applying a voltage (tube volt...

Claims

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Application Information

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IPC IPC(8): A61B6/00
CPCA61B6/582
Inventor 宫本高敬实政光久花冈茂
Owner HITACHI HEALTHCARE MFG LTD
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