Elastography device and method

A technique for measuring elasticity and equipment, applied in measuring devices, diagnostic records/measurements, instruments, etc., and can solve problems such as non-consideration

Active Publication Date: 2012-01-04
ECHOSENS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

To remedy this, the data on this thickness (i.e. 20mm) is not considered when calculating the viscoelastic properties, thus preventing measurements on thicknesses smaller than 20mm

Method used

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  • Elastography device and method
  • Elastography device and method
  • Elastography device and method

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Embodiment Construction

[0062] For the remainder of the description, elastometry refers to techniques for measuring viscoelastic properties in which a vibration generator generates one or more low-frequency elastic waves propagating in the tissue, either through direct or indirect contact with the tissue.

[0063] The temporary shape of this low-frequency elastic wave can be arbitrary, but is more generally of the pulse-modulated type, transient or periodic (continuous, monochromatic).

[0064] Such vibrations are generally obtained mechanically, but can also be obtained by radiation pressure, by ultrasonic superheating or by internal vibrations of the body (heartbeat, pulse, etc.).

[0065] Furthermore, different types of single-component or multi-component ultrasound transducers can be used. In a non-limiting way, it may for example refer to annular, annular, 2D matrix, linear or convex array transducers, single-member, three-member, star-shaped transducers and the like.

[0066] Furthermore, expe...

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Abstract

The present invention provides an elastography device (110) for quantitatively and/or qualitatively measuring the viscoelastic properties of any medium, said device being characterized in that it comprises a deformable tube (111) for positioning said ultrasonic transducer (104) located at the end of said deformable tube (111) and for holding it in position so as to ensure, during at least one measurement, perpendicularity and contact between said ultrasonic transducer (104) and the medium.

Description

technical field [0001] The present invention relates to a device and a method for measuring the viscoelastic properties of any medium. [0002] The present invention more particularly relates to a device and method for quantitatively and / or qualitatively measuring viscoelastic properties, such as elasticity and / or viscosity of physiological tissue of a human or animal. More specifically, this device and this method are suitable for measuring the viscoelastic properties of physiological tissues belonging to experimental animals or from tissue samples. Background technique [0003] For measuring the viscoelastic properties of tissues, it is known to use pulse-modulated elastometry, as described in patent application number FR 2843290. [0004] This document proposes an implementation of a device 10 according to the prior art ( figure 1 ). The device 10 comprises a probe 1 equipped with a vibration generator 2 that generates low-frequency elastic waves in the tissue, for exa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/22A61B8/00G01N29/04
CPCA61B8/485G01N29/043A61B8/543G01N29/223A61B8/00A61B5/6843A61B5/0051A61B8/42G01N29/226
Inventor L·桑德兰M·博西西奥C·巴斯塔尔
Owner ECHOSENS SA
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