Time-reversal ultrasound focusing

Details Time-reversal ultrasound focusing Time-reversal ultrasound focusing

A - Human Necessities

61

N

A61N 7/02 (2006.01)

Patent

CA 2711222

A method for creating a time reversed signal adapted to destroy a soft tissue, the method comprising emitting a first ultrasonic signal from a transmitter towards a tissue simulating medium which simulates said soft tissue, wherein the first ultrasonic signal has a first frequency characteristic; receiving the first ultrasonic signal in a receiver and converting the first ultrasonic signal to an electrical signal; converting the electrical signal to a digital signal; and time-reversing the digital signal to produce the time--reversed signal.

L'invention porte sur un procédé pour créer un signal inversé dans le temps, adapté pour détruire un tissu mou, le procédé comprenant l'émission d'un premier signal ultrasonore à partir d'un émetteur en direction d'un milieu cible de simulation de tissu qui simule ledit tissu mou, le premier signal ultrasonore ayant une première caractéristique de fréquence ; la réception du premier signal ultrasonore dans un récepteur et la conversion du premier signal ultrasonore en un signal électrique ; la conversion du signal électrique en un signal numérique ; et l'inversion dans le temps du signal numérique pour produire le signal inversé dans le temps.

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