Apparatus for ultrasound testing using liquid couplant

Details Apparatus for ultrasound testing using liquid couplant Apparatus for ultrasound testing using liquid couplant

A - Human Necessities

61

B

A61B 8/00 (2006.01) A61B 8/08 (2006.01) G01N 29/28 (2006.01) G10K 11/02 (2006.01)

Patent

CA 2218662

The need for a highly viscous couplant gel or water spray to form an acoustical couple for ultrasound testing is eliminated by employing an ultrasound probe module. A porous membrane (83) and an ultrasound probe (80) cooperate to define a chamber (90) which contains a liquid acoustical couplant. When pressure is applied to the liquid acoustical couplant, it passes through the porous membrane (83). The porous membrane (83) and chamber (90) are disposed such that ultrasound signals going to or away from the ultrasound probe (80) pass through the liquid acoustical couplant and porous membrane (83).

La présente invention consiste à employer un module de sonde ultrasonore rendant superflue l'utilisation d'un gel couplant hautement visqueux ou une vaporisation à eau pour former le couple acoustique nécessaire aux fins d'un test aux ultrasons. Une membrane poreuse (83) est combinée avec une sonde ultrasonore (80) pour définir une chambre (90) contenant un couplant acoustique liquide. Lorsqu'une pression est appliquée au couplant acoustique liquide, elle traverse la membrane poreuse (83). Celle-ci (83) et la chambre (90) sont disposées de telle manière que les signaux ultrasonores à destination ou en provenance de la sonde ultrasonore (80) traversent le couplant acoustique liquide et la membrane poreuse (83).

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