Use of an ultrasonic transducer for echographic exploration...

Details Use of an ultrasonic transducer for echographic exploration... Use of an ultrasonic transducer for echographic exploration...

A - Human Necessities

61

B

A61B 8/10 (2006.01) A61B 8/00 (2006.01)

Patent

CA 2315911

The invention concerns the use of an ultrasonic transducer with high frequency and long focus for producing an apparatus and the implementation of a method for exploring human or animal body tissues or organs. More particularly, it concerns the use of a transducer with nominal excitation frequency higher than 20 MHz, preferably ranging between 50 and 80 MHz, with long focus greater than 10 mm, preferably of the order of 25 mm, for producing an apparatus for the echographic exploration of the eyeball, in particular of the eyeball posterior segment and more particularly of the macular region.

La présente invention concerne l'utilisation d'un transducteur ultrasonore à fréquence élevée et à focalisation longue pour la réalisation d'un appareil et la mise en oeuvre d'un procédé d'exploration échographique de tissus ou d'organes du corps humain ou animal. Plus particulièrement, l'invention concerne l'utilisation d'un transducteur ultrasonore de fréquence nominale d'excitation supérieure à 20 MHz, de préférence comprise entre 50 et 80 MHz, à focalisation longue supérieure à 10 mm, de préférence de l'ordre de 25 mm, pour la réalisation d'un appareil d'exploration échograhique du globe oculaire, en particulier du segment postérieur du globe oculaire et plus particulièrement de la région maculaire.

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