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Ultrasonic probe

一种超声波、超声的技术，应用在超声波探头领域，能够解决超声波诊断画像变差等问题

Inactive Publication Date: 2005-07-27
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When air bubbles are mixed into the sound window, they act as ultrasonic reflectors, thereby preventing the transmission and reception of ultrasonic waves, which in turn may lead to deterioration of ultrasonic diagnostic images

Method used

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  • Ultrasonic probe
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Examples

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Embodiment Construction

[0010] As described above, the ultrasonic probe of the present invention includes: an ultrasonic element for transmitting and receiving ultrasonic waves, an acoustic window surrounding the ultrasonic element, and an ultrasonic transmission liquid filled in the acoustic window. In this acoustic window, a shield is formed that prevents the penetration of liquids and gases. With this structure, it is possible to suppress the sound propagating liquid from penetrating out of the acoustic window and to suppress a reduction in the amount of the liquid. Therefore, the pressure within the acoustic window can be maintained.

[0011] Preferably, the shielding layer is formed on the inner wall of the sound window.

[0012] As the shielding layer, polyparaxylylene (polyparaxylylene) or derivatives thereof can be used. As the parylene derivative, there can be employed one in which at least one hydrogen atom in each aromatic ring of parylene is replaced with, for example, chlorine, bromine...

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Abstract

An ultrasonic probe, including an ultrasonic element for transmitting and receiving ultrasonic waves; a sound window enclosing the ultrasonic element; and a sound propagation liquid charged in the sound window. A barrier layer capable of inhibiting the permeation of liquids and gases is provided on a wall surface of the sound window. As the barrier layer, at least one selected from a polyparaxylylene layer and a metal layer can be used.

Description

technical field [0001] The invention relates to an ultrasonic probe. In particular, it relates to an ultrasonic probe comprising an ultrasonic element, an acoustic window surrounding the ultrasonic element, and an acoustic transmission liquid filled in the acoustic window. Background technique [0002] Ultrasonic probes are used as fish finders, ultrasonic diagnostic devices used on living bodies, and the like. As an ultrasonic device used as an ultrasonic diagnostic device, it is well known that there is an ultrasonic probe comprising an ultrasonic element for transmitting and receiving ultrasonic waves, an acoustic window surrounding the ultrasonic element, and an ultrasonic probe having an acoustic impedance close to that of a living body. Acoustic transmission liquid filled in the acoustic window (for example, see Japanese Patent Application Laid-Open No. 02-98341). [0003] Starting from the characteristics of sound, such an ultrasonic probe uses resin as a material c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/24A61B8/00A61B8/12H04R1/44
CPCA61B8/445A61B8/4281A61B8/12A61B8/00G01N29/24H04R1/02H04R1/44
Inventor 长谷川重好入冈一吉小泉顺平山道代
Owner KONICA MINOLTA INC
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