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Compression apparatus

A squeeze plate, squeeze release technology, applied in medical science, mammography, diagnosis, etc., can solve problems such as increasing the amount of sagging

Inactive Publication Date: 2012-07-04
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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

Method used

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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. 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. 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.

[0043] A measuring device according to an embodiment of the present i...

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Abstract

An apparatus includes two compression plates arranged to compress a subject portion, and a compression release means arranged to move at least one of the two compression plates in a direction opposite to a direction in which the subject portion is compressed in a state in which the subject portion is compressed and power is not supplied.

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): A61B8/00
CPCA61B8/0825A61B6/502A61B6/0435
Inventor 卓雅一
Owner CANON KK
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