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Apparatus

A technology of extruding plates and embedding holes, which is applied in medical science, mammography, and acoustic wave diagnosis, and can solve problems such as increasing the amount of sagging

Inactive Publication Date: 2012-05-30
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus, the projected cross-sectional area becomes larger by the amount of sag

Method used

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Examples

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Embodiment Construction

[0042] According to an embodiment of the present invention, the measuring device includes: a device using ultrasonic echo technology, which transmits ultrasonic waves to the subject part, and receives reflected waves (reflected ultrasonic waves) reflected in the subject part; and a device using the photoacoustic effect. A device that irradiates a subject with light (electromagnetic waves) and receives sound waves (typically ultrasonic waves) generated in the subject. The present invention can also be applied to an X-ray diagnostic apparatus like the apparatus described in Japanese Patent Laid-Open No. 7-303633. According to an embodiment of the present invention, the acoustic waves are typically ultrasonic waves, and include elastic waves called acoustic waves, acoustic waves, photoacoustic waves, and photoultrasonic waves. The detector receives elastic waves generated or reflected in the part under test.

[0043] basic structure

[0044] figure 1 and 2 is a schematic diag...

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Abstract

An apparatus includes a bed (1) arranged to support a subject and having an insertion hole (1a) through which a subject portion that is part of the subject is inserted; a fixed compression plate (10) and a movable compression plate (12) arranged to hold and compress the subject portion when the subject portion is inserted through the insertion hole, the movable compression plate being movable relative to the fixed compression plate; and a unit (2) including the fixed compression plate and the movable compression plate. The unit is movable relative to the bed.

Description

technical field [0001] The invention relates to a device. Background technique [0002] An X-ray diagnostic device or an acoustic wave acquisition device is known as an example of a measurement device that acquires biological information. For example, the sound wave acquisition device may be a device using ultrasonic echo or a device using photoacoustic effect. In order to obtain good measurement results with such measuring devices, the test part must be held still. If the subject part is part of a biodiagnosis such as a breast, it is desirable to minimize the burden of discomfort on the subject part during measurement to avoid discomfort to the subject. [0003] The photoacoustic effect represents a phenomenon in which when a subject part is irradiated with pulsed light from a light source such as a laser, the subject part absorbs light energy, expands and contracts, and generates sound waves (photoacoustic waves). By detecting photoacoustic waves using a detector and pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00A61B6/04
CPCA61B8/403A61B5/708A61B6/502A61B5/0095A61B6/0435A61B5/4312A61B8/406A61B6/0414
Inventor 卓雅一
Owner CANON KK
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